Ansible Swapoff Module

I've tried adding vm. I am newbie to Ansible, i failed using ansible via command that way : ansible host -a "/sbin/swapoff -a && /sbin/swapon -a" Only this worked ansible host -a "/sbin/swapoff -a ansible h. l kubeadm :安装工具,使所有的组件都会以容器的方式运行. We are proposing the following list of syscalls be dropped from containers: kexec_load, open_by_handle_at, init_module, finit_module, delete_module, iopl, ioperm, swapon, swapoff, sysfs, sysctl, adjtimex, clock_adjtime, lookup_dcookie, perf_event_open, fanotify_init, and kcmp. 13版本开始调整了默认的防火墙规则,禁用了iptables filter表中FOWARD链,这样会引起Kubernetes集群中跨Node的Pod无法通信,在各个Docker节点执行下面的命令: iptables -P FORWARD ACCEPT. I did not select everything listed in the how-to, because I think not all of them are required for poudriere. 162 K8s-node-2 CentOS 7 192. The master-key-ed25519 keyword line is here for convenience only as this is the same key as is used to sign the certificate for identity-ed25519. Ansible is used for configuring servers. log into the newly set up unencrypted system via ssh [email protected] and your root password you set above. 04 LTS via Ansible (kubeadm under the covers) on a Hetzner dedicated server. at the very end of a chef-client run i. apt-get install software-properties-common apt-add-repository ppa:ansible/ ansible apt-get update apt-get install ansible 配置免密码ssh ssh-keygen -t rsa ssh-copy-id 172. , Generate a single yaml file to create a Contrail-k8s cluster, Instantiate the Contrail-k8s cluster, Provisioning of Non-Nested Contrail Kubernetes Clusters. This rule will detect any use of the 32 bit syscalls. WHY ANSIBLE we will consider some facts: ideato's scenario dev needs sysadm needs 3. This is in continuation to my previous post on Reverse proxy servers. Setup: - It is a module in ansible which gathers nodes information. key -out certificate. continue arch linux installation. Ansible의 Inventory Sample을 제공하는데 해당 파일을 본인의 CLOUD_PROJECT로 복사하여 커스터마이징하여 사용합니다. GitHub Gist: instantly share code, notes, and snippets. rp_filter = 0 net. 509 certificates to obtain up-to-date ocsp responses. If you’re on this page you must be working on an interesting project!. , Generate a single yaml file to create a Contrail-k8s cluster, Instantiate the Contrail-k8s cluster, Provisioning of Non-Nested Contrail Kubernetes Clusters. ⦁ Module: A module typically abstracts a system task, like dealing with packages or creating and changing files. Huge shout out to my friend Mike Levan for the inspiration of this project. But SELinux can sometimes get in your way. h [[email protected] test]# cat hello. A word of caution, during this process you will be doing things like lowering the security of your virtual machines so that the cluster installs more easily. 6; ansible-modules-hashivault >= 3. the let's encrypt code worked out of the box (i've. I will follow step by step as the beginner. [[email protected] roles]$ tree config config ├── files ├── handlers ├── tasks │ └── main. 13版本发布后,kubeadm才正式进入GA,可以生产使用,用kubeadm部署kubernetes集群也是以后的发展趋势。目前Kubernetes的对应镜像仓库,在国内阿里云也有了镜像站点,使用kubeadm部署Kubernetes集群变得简单并且容易了很多,本文使用kubeadm带领大家快速部署Kubernetes v1. RAID (Redundant Array of Inexpensive Disks) defines the use of multiple hard disks by systems to provide increased diskspace, performance and availability. I've done a lot with AIX. Using Ansible to modify files. Given a scenario, install, configure, and monitor kernel modules. the common role is where I set things via the Ansible sysctl module, or add entries to files (using lineinfile) in order to set max memory and ulimits etc. #N#The name of a key to read from. Linux is the generic term for a UNIX-like open source operating system based on the Linux kernel. yml, add the code below. kmdr provides command explanations for hundreds of programs including git, docker, kubectl,npm, go and more straight forward programs such as those built into bash. 不论你在运行什么操作系统,在很多情况下,你会面对灾难恢复操作。你的主引导区被覆盖,你的硬盘不能启动,或者一个重要的文件被删除,或者你的显示卡启动时闪烁一下就黑屏了。. # on what the individual modules request and is out of the control of sshd # or the protocol. Visit the Ansible page on F5 for even more info. 昨日は mini_act4 さんの 認定スクラムプロダクトオーナー研修を受けて気づいた大切なこと でした。 mini_act4 さんがオーナーをするプロダクトやチームに期待が高まります!. syscall-number 0004: 35 01 00 40000000 jge X32_ABI true:0006 (false 0005) 0005. Java, linux unix issues and fixes Jboss interview questions application server java Please edit your wp-config. Passport는 Node. Here, one VM will act as the master and the other VM will be the node. com,1999:blog-34035184. 38 3) Kubernetes node ->. drop_caches=3 && swapoff -a && swapon -a where sync is to force changed blocks to disk and update the super block; sysctl vm. linux training. It can help you add, delete, shrink and extend disk partitions along with the file systems located on them. The Node Access User Reference module 5. While swap space can help machines with a small amount of RAM, it should not be considered a replacement for more RAM. Now it does have a new proxy module with Lighttpd 1. d dphys-swapfile remove. Note that bs=1024 means read and write up to 1024 bytes at a time and count = (1024 x 2048)MB size of the file. the common role is where I set things via the Ansible sysctl module, or add entries to files (using lineinfile) in order to set max memory and ulimits etc. Enabling this option removes CAP_SYS_MODULE from the capability bounding set for the unit, and installs a system call filter to block module system calls, also /usr/lib/modules is made inaccessible. sudo swapoff -a. arp_announce = 2 net. x86_64 - working as expected hence moving to verified. This makes the installation of new clusters trivial. By using awk we can print only Nth line after matching a pattern. Bootstrap服务的依赖安装 kolla-ansible -i. When running: kubectl cluster-info , you get a message like above. Posted on February 27, 2019 February 28, 2019. key Generate self-signed cert openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -keyout privateKey. 使用openstack. myhypervisor. Also, Terraform saves and reads states from files, and may not be as suitable as Boto/Fog for running on-the-fly configurations without using a file. syscall-number 0004: 35 01 00 40000000 jge X32_ABI true:0006 (false 0005) 0005. 使用Ansible + kubeadm部署K8S集群 纯属练手,这几天看了Ansible相关的资料,练习一下,加深了解! 1、环境清单 1. 03 in オイシックス・ラ・大地! に遠隔参加 #ansiblejp – matoken's meme より 特定グループでのみ dmesg command を有効にする に Debian buster/sid でdmesgを一般ユーザで実行 – matoken's meme より. sudo systemctl enable docker. I've done a lot with AIX. When we start/stop/terminate instances, we do not communicate with the instance. 6 netaddr pbr >= 1. Now it does have a new proxy module with Lighttpd 1. You can use sysctl (8) to both read and write sysctl data. tech_memo/linux/yum; Ctrl-Cを押すと^Cが標準出力される †. The data is also compressed on-the-fly by the kernel when saved in the memory. Alright so up until now all of my work with Kubernetes involved leveraging a cloud providers implementation (Azure AKS and AWS EKS). Release 16. disable_ipv6 = 1 net. Ansible first pass through the commands work perfectly. We now need to enable cgroup settings to allow Docker (which is underlying Kubernetes) to control resource allocation. - Ad-Hoc commands in Ansible. Cloud DevOps: Using Packer, Ansible/SSH and AWS command line tools to create and DBA manage EC2 Cassandra instances in AWS. Der Standard richtet sich an Softwareentwickler, Systemintegratoren und Systemadministratoren. ansible 에서는 이러한 변수들에 대한 값, 특히 hostvar 값을 볼 수 가 있습니다. Les invocations ffmpeg relevant plus du chamanisme que d’autre chose, j’ai simplifié le boulot dans quelques scripts : encode. Bootstrap服务的依赖安装 kolla-ansible -i. Vous récupérerez le projet complet dans mon Github ici. The result of testing looks good: most of common use cases have been covered properly. Starting from CentOS 8 (and by extension RHEL 8), docker has now natively been replaced by podman and buildah which are tools from Redhat. This has been working for weeks, and reboots in under 1 minute. Parted has gone a long way from when it first came out. Although this article is part of a series about setting up the Cassandra Database images and doing DevOps/DBA with Cassandra clusters. But because the amount of memory in modern systems has increased into the hundreds of gigabytes, it is now recognized that the amount of swap space that a system needs is a function of the memory workload running on that system. I run the below $ ansible -i /opt/ansible/ec2. I've tried adding vm. GitHub Gist: instantly share code, notes, and snippets. A word of caution, during this process you will be doing things like lowering the security of your virtual machines so that the cluster installs more easily. 关闭SELinux setenforce 0. [prev in list] [next in list] [prev in thread] [next in thread] List: freebsd-bugs Subject: Current problem reports From: FreeBSD bugmaster Date: 2014-05-26 11:06:01 Message-ID: 201405261106. Create two files named master-playbook. /multinode pull -vvv 2. kubernetes是一个开源的自动化 部署、扩缩容、管理容器化应用 的系统。 Kubernetes起源于希腊语, 是"舵手"或者. Database, Cloud and DevOps Blog. Ansible Tutorial with Ansible installation, usage, and configuration with Ansible Modules, hands-on Tomcat HA Cluster Automation using Ansible Apache Performance Tuning: KeepAlive to remove latency. If you set this value to 0, the VM handler will be least likely to use any available swap space, and should use all available system memory first. yml ├── templates └── vars └── main. Ansible is used for configuring servers. Linux系统调用实现方式的演进 3. 2GB logical ext3 6 133GB 133GB 107MB logical ext3 7 133GB 160GB 26. ansible关于清单文件使用的一些小技巧 2020-04-10 Pi-设置无线 2020-04-11 [RxJS] Build an Event Combo Observable with RxJS (takeWhile, takeUntil, take, skip) 2020-04-11. disabled – No SELinux policy is loaded. 0G Oct 30 11:00 /swapfile. ### These rules watch for code injection by the ptrace facility. Kubernetes 1. ansible 에서는 이러한 변수들에 대한 값, 특히 hostvar 값을 볼 수 가 있습니다. module_utils. Which directory is created as a virtual file system?A.       $ swapoff -a    # this takes several minutes, so. zram-swap: fix dependencies swapon/swapoff are no longer provided by … 19:38 Changeset [38794] by hauke brcm47xx: swap also early boot console if necessary. Above command will turn of swap completely. 0 Hardware: Unspecified OS: Unspecified. My system is Fedora 29 Workstation. 1 root root 70 4月 17 10:17 mymax. I’m doing this on a freshly installed CentOS 7 server for POC and testing purposes. 当然我们线上稳定运行的Kubernetes集群是使用ansible以二进制形式的部署的高可用集群,这里体验Kubernetes 1. It uses the libfuse open source library to communicate with the Linux FUSE kernel module and implements the filesystem operations using the Azure Storage Blob REST APIs. c #include /* Needed for the module. myhypervisor. That forces the stuff back into RAM. O Scribd é o maior site social de leitura e publicação do mundo. ini檔並將modules寫入該檔中 swapoff /tmp/swap. Kubernetes / docker is not designed to SWAP, it's for high performance computing and all the deployments should be pinned with CPU/Memory limits. ⦁ Role: A pre-defined way for organizing playbooks and other files in order to facillitate sharing and reusing portion of a provisioning. 166 2、ip addr确认是否有分配到IPV4地址。. Users can also write their own modules. SELINUX= can take one of these three values: enforcing – SELinux security policy is enforced. 検索キーワード: 検索の使い方: 類義語: ベンダ名:. Managing many configuration files can be tedious. 이러한 Tools로 나온 게 Ansible, Chief, puppet, Terraform, AWS Cloudformation Enable br_netfilter Kernel Module $ swapoff -a # swap 파티션이나 swap. To clear swap space in Ubuntu/Linux we need to use swapoff command as shown below: $ swapoff -a. 146: Release: 1. If you wont have enough free RAM this command may make your system unstable. --- - name: Load RKE kernel modules hosts: rke-hosts remote_user: root vars: kernel_modules: - br_netfilter - ip6_udp_tunnel - ip_set - ip_set_hash_ip - ip_set_hash_net - iptable_filter - iptable_nat. conf and modify the HOOKS statement from HOOKS="base udev autodetect modconf block filesystems keyboard fsck". In this article I will walk-through the installation of Kubernetes Cluster on CentOS7. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53. swapoff -a复制代码 2. c -rw-r--r--. disable_ipv6 = 1 net. module_utils. Kubernetes is an Orchestration engine for automating deployment, scaling, and management of container. $ sudo swapoff -a 2. HackerPimps_WRT - Free download as PDF File (. Notre service GeoIP a trouvé l'hôte journaldunadminlinux. 第一个Flask程序、DEBUG模式及URL传参 阅读(2479) INNODB_LOG_FILE_SIZE:设置MySQL重做日志大小 阅读(6983) Docker安装部署MySQL5. 临时增大Linux的交换分区- 当系统的物理内存不够用的时候,就需要将物理内存中的一部分空间释放出来,以供当前运行的程序. Some of you might be thinking why i have created my own script to install the Live CD when we have Anaconda with us ? Yes you might be thinking right, to fast install the system with better scalabi…. 0 或者 Calico v3. 0 was originally released at the end of last august, but since it has some breaking api changes, it's only slowly creeping into new linux distributions. こちらの記事はではAnsibleを紹介するための文章で、元Red Hat社員のJingjing Shiが作成し、Wenhan Shiが日本語に翻訳 Ansible 入門 - 紹介 There are 2 kinds of healing functions in GlusterFS, server-side heal and client-side heal. cat < /etc/sysctl. The problematic process should be listed, then just restart it. The key benefit of Docker is that it allows users to package an application with all of its dependencies into a standardized unit for software development. ceph-ansible provisioning error log: gistfile1. 8, LXC containers are supported, but as second class citizen: this extra module needs some dependency to work (which are not in the default repositories) and it would hide me how to configure the LXC containers, so I discarded this solution. Load and unload kernel modules (see init_module(2) and delete_module(2)); in kernels before 2. disable_ipv6 = 1 net. If you wont have enough free RAM this command may make your system unstable. RAID (Redundant Array of Inexpensive Disks) defines the use of multiple hard disks by systems to provide increased diskspace, performance and availability. In the file master-playbook. Make a note of how many blocks the Linux swap is using, in this case it is 1046528. we can find the kernel modules by # ls /etc/lib/modules command. Troubleshooting an issue? Try Solution Engine —our new support tool. com) 20190916 : Creating virtual machines with Vagrant and Ansible for website development Opensource. Project Lombok is a boilerplate code remover and space saver that generates code in ". ### We put these early because audit is a first match wins system. La modalità di calcolo sicuro ( seccomp) è una funzionalità del kernel di Linux. Create a directory named kubernetes-setup in the same directory as the Vagrantfile. GitHub Gist: instantly share code, notes, and snippets. Here, we are going to use below 3 VMs to set up Kubernetes cluster, 1) Ansible Controller Machine -> ansible-controller / 192. 161 K8s-node-1 CentOS 7 192. My system is Fedora 29 Workstation. pdf), Text File (. The Node Access User Reference module 5. 使用kubeadm安装kubernetes 1. 04 LTS), but now everything is fine! Actually, I was going to resize my Linux partition with Gparted, but I didn't know that a freaking experience was waiting for me. These new open source management tools simplify the installation and day-to-day management of the cloud native environment,. On fredag 25. Check repo list # yum repolist. kernel module编程 [[email protected] test]# ll 总用量 16 -rw-r--r--. In a nutshell Rebooting normally takes under 1 minute, but if clamav-daemon is running, a reboot will take 30 minutes exactly. 邹洪 简单的世界,简单的你,简单的爱!. noarch ceph - 10. Network Example. ip_forward=1 net. Disable cel_radius module Detect Issabel version when checking online module updates Change TTS engine in text to speech module from Festival to PicoTTS Calendar voice reminders use PicoTTS if available Now Asterisk service is a full compatible Systemd unit file. Prepare an existing Linux Azure VM image for use with cloud-init. ANSIBLE INSIDE IDEATO Alessandro Mazzoli [email protected] [email protected] Docker installation has been completed. Ansible inside 1. This file controls the state of SELinux on the system. 検索キーワード: 検索の使い方: 類義語: ベンダ名:. yml ├── templates └── vars └── main. Although this article is part of a series about setting up the Cassandra Database images and doing DevOps/DBA with Cassandra clusters. 167 Worker2:192. 3 CompTIA Linux+ Certification Exam Objectives Version 5. /multinode bootstrap-servers 4. Archlinux install notes. Add swap module #5241. 虽然 Fedora 作为服务器来用不是上佳的选择,不过拿来练手倒是上上之选。因为 Fedora 中的大多数 Web 服务除去安全性等方面需要多加注意之外,基本上属于即装即用型的。. 30 kube1 kube1. in case the current ocsp responses will expire soon, or aren't there, it will try to get a new response. 使用Ansible + kubeadm部署K8S集群 纯属练手,这几天看了Ansible相关的资料,练习一下,加深了解! 1、环境清单 1. less /proc B. 前言部署Kubernetes除了手动方式外,还有诸如Kubeadm、Kubespray、Breeze、Rancher、kargo等多种自动化方式。工具没有好坏之分,能干事、效率高就行。这里,笔者仍使用Kubespray部署当前K8s最新版本(用着真的很贴身),可自动化部署HA集群、可灵活定制开发、高稳定性等。 本篇将介绍如何在不用科学上网的. When it does fail, it seems to succeed if I run Ansible again. lrwxrwxrwx 1 root root 6 2009-08-23 07:49 /sbin/swapoff -> swapon 二十四) CAP_SYS_BOOT 22 (允许普通用使用reboot()函数) 这里我们无法用reboot命令来做测试,因为reboot命令做了判断,只允许root(UID=0)的用户可以使用. 以上分解的osd创建步骤,为后续使用ansible来自动化部署Ceph集群至关重要。后续打算写个简单部署ceph的playbook,在此先mark下。 启动分析. Provisioning of a Standalone Kubernetes Cluster, , , Configure network connectivity to Contrail configuration and data plane functions. sysinfo Solaris Red Hat Ubuntu/Debian HP-UX AIX Server Release info cat /etc/release cat /etc/enterprise-release cat /etc/redhat-releaselsb_release -acat /proc/version cat /etc/lsb-release lsb_release -a /stand/kernrel oslevel -r Server Release info Server type /usr/platform/`uname -i`/sbin/prtdiag -v dmidecode dmidecode model uname -a prtconf | grep -i 'System Model' Server type Hardware Info. # Valid options are yes, without. #N#The name of a key to read from. je contate aussi cette ligne dans journalctl -xe, aprés relance de la commande ansible-playbook: avril 02 11:55:59 master systemd[1]: Cannot add dependency job for unit docker-storage-setup. 2011, thanks, we got it:[espeak -v en "] Secure, mouseclick-fast upon MS Windows 7 and Linux and all belonging Linux-games: (bohemian) 19 W power consumpting computer ASUS (mini) ITX-220 from year 2009/2010 with a socked, crasfree bios, onboard Intel-soundchip, onboard Atheros-LAN-Chip and -ROM and onboard INTEL graphics, AOC WLED-TFT less 18 Watt with more than one million working. # Valid options are yes, without. micro image: ami-123456 wait: yes group: webserver count: 3 vpc_subnet_id: subnet-29e63245 assign_public_ip: yes user_data: | #!/bin. Lighttpd on the other hand, has an old and unmaintained proxy module. # on what the individual modules request and is out of the control of sshd # or the protocol. bridge-nf-call-iptables=1. Its a Open Source source project started by Google and its now currently hosted by Cloud Native Computing Foundation. These cloud-init scripts run on first. The parameters available are those listed under /proc/sys/. If you wont have enough free RAM this command may make your system unstable. fsync синхронизирует состояние файла в памяти с состоянием на. yml, add the code below. Use "kubeadm" command to initialize the kubernetes cluster along with "apiserver-advertise-address" and "--pod-network-cidr" options. gc_stale_time = 120 net. tech_memo/linux/kSar; yum †. 10 “cloud” mail server: postfix, dovecot, mysql, accessed via SSH. # sync && /sbin/sysctl vm. Creating a server - setting LAMP in Debian; The results of a 4-year study of coral reefs: plastic kills corals; Ask Ethan: How close are we to the Theory of Everything?. 虽然 Fedora 作为服务器来用不是上佳的选择,不过拿来练手倒是上上之选。因为 Fedora 中的大多数 Web 服务除去安全性等方面需要多加注意之外,基本上属于即装即用型的。. The free space of your partition will be increased after the operation. Posts about FileSystems written by pawankumar83. These cloud-init scripts run on first. 13299887 Linux Training - Free ebook download as PDF File (. 0 或者 Calico v3. This page is intended to show how to modify configuration and other files on systems. Linux, Cloud Computing, Openstack, Aws Cloud, Amazon Web Services, Devops, Devops Tutorials, Ansible, Puppet, Jenkins, Docker, Kubernetes, Linux Tutorials, Openstack. Not all dedicated server providers have good web management panel or offer a remote management console (like IPMI/KVM, iDRAC, iLO and so on)! If you used multiple server providers you would experience the case when you received a server installed with the linux distro by your choice, but with no options to configure the hard drives setup. In a nutshell Rebooting normally takes under 1 minute, but if clamav-daemon is running, a reboot will take 30 minutes exactly. Now the OS must only see a pure ext4 file system, otherwise the…. Vous récupérerez le projet complet dans mon Github ici. py is located) Run a sample Django project – on Ubuntu sudo apt-get install python-virtualenv git cd /opt virtualenv myenv source myenv/bin/activate. If the system needs more memory resources and the RAM is full, inactive pages in memory are moved to the swap space. Hardware can only be communicated and can work efficiently when the proper module is loaded in the kernel. vim /etc/selinux/config. swapoff -a Enable IP forwarding & bridging. Vous ne pourrez voir que les contributions des zones auxquelles vous avez accès. swapoff -a && sysctl -w vm. I used his guide using Ubuntu as a basis for mine. Create a directory named kubernetes-setup in the same directory as the Vagrantfile. After the installation is complete, start the docker service and enable it to launch everytime at system boot. Ansible is an open-source software platform for configuring and managing computers. 参考ansible的使用。 给部署机器配置SSH的免密登录权限,具体参考ssh免密登录。 2、安装python-netaddr # 安装pip yum -y install epel-release yum -y install python-pip # 安装python-netaddr pip. Create a partition. Managed OS Swap space for Ansible Module. CSDN提供最新最全的tete2csdn信息,主要包含:tete2csdn博客、tete2csdn论坛,tete2csdn问答、tete2csdn资源了解最新最全的tete2csdn就上CSDN个人信息中心. At time of this writing it was tested on versions 8. Ansible Templates are very useful for configuring a system with lots of changes per configuration file. conf, we're going to need these two lines: net. noarch ceph - 10. js진영에서 가장 널리 사용되고 있는 authentication middelware 입니다. WHY ANSIBLE we will consider some facts: ideato's scenario dev needs sysadm needs 3. 1 root root 70 4月 17 10:17 mymax. I built my current desktop about three years ago and installed a solid-state drive (SSD). If the system needs more memory resources and the RAM is full, inactive pages in memory are moved to the swap space. uniq # if lines are repeated - show only one of several these lines-c # in start of all lines show repeats number and space-d # show only repeatable lines-f < num > # ignore first num words (word include only not spaces)-s < num > # ignore first num chars-u # show only uniq lines-i # case-insensitive matching. The data is also compressed on-the-fly by the kernel when saved in the memory. (최신 커널에서는 vm. ip_forward = 1 net. 1: Install Docker and its dependent components. the let's encrypt code worked out of the box (i've. sudo kubeadm init --config=kubeadm-config. We can just define what OpenContrail is before we dive into the installation steps. PyWinUpdater method) autosign_file conf/master autosign_timeout conf/master. Creating REST calls in an Ansible module. Extremely flexible and modular, Passport can be unobtrusively dropped in to any Express-based web application. Be sure to use a version of OpenSSH that supports ControlPersist (v5. This is in continuation to my previous post on Reverse proxy servers. Afterwards, reboot the system in order to apply the new swap setting or issuing. --- - name: Load RKE kernel modules hosts: rke-hosts remote_user: root vars: kernel_modules: - br_netfilter - ip6_udp_tunnel - ip_set - ip_set_hash_ip - ip_set_hash_net - iptable_filter - iptable_nat. Using and Administering Linux: Volume 2 Zero to SysAdmin: Advanced Topics — David Both Using and Administering Linux:. tl;dr - I installed Kubernetes on Ubuntu 18. The machine has 12 memory slots per CPU so there are still 8 slots left to be filled if I ever feel a need to expand memory. Ctrl+r: search from history Ctrl+Left Arrow Jump to the beginning of the previous word on the command li ne. 37 2) Kubernetes master -> kube-master-1 / 192. It is used to specify the IP address for kubernetes cluster communication and range of networks for the pods. sysinfo возвращает общесистемную статистику 107. Here is our simple explanation: When this feature is enabled an amount of machine's RAM is put aside and when the system needs to use swap space it will first write to this area and when it is full then it will use the disk. Users can also write their own modules. GitHub Gist: instantly share code, notes, and snippets. rpm(레드햇 패키지 매니저) 1) 경로 : /usr/bin/rpm 2) 요약 : 레드햇 기반의 패키지를 관리 3) 사용 방법 : rpm [옵션] 4) 옵션 -vv : 상세한 디버깅 정보를 출력 --keep-temps : 임시 파일을 삭제하지 않음(. 10 Easy-to-Use Modules. sudo swapoff -a. Yet, in certain cases, I did not use lineinfile because I wanted to keep the original files intact to be able to start the configuration all over again without having to go to the process of copying archives and installing them from scratch. which leads to the Network build script. Geo IP vous fournit comme la latitude, la longitude et l'ISP (Internet Service Provider) etc. /sbin/swapon -a. Starting from CentOS 8 (and by extension RHEL 8), docker has now natively been replaced by podman and buildah which are tools from Redhat. 介绍什么是kubernetes kubernetes is an open-source system for automating deployment,scaling, and management of containerized applications. Disabling Swap for Kubernetes in an Ansible Playbook If you're trying to install a Kubernetes on bare metal, it's useful to document this experience in an Ansible playbook. 概述:这篇文章是为了介绍使用安装集群(可以用于生产级别)。使用了系统。篇幅有点长,但是比较详细、比较全面。(请注意文章最后分享的文档,可以解决的问题)一、配置说明(防火墙). 甘くないラズベリーパイことRaspberryPiのtmpディレクトリやログファイルをRAMDISKに置く方法です。 安価で省電力省スペース、静かなLinuxマシンとして使え、なおかつGPIO端子も備えており、各種センサー等を接続することでこの頃流行りのIoT(Internet of Things)デバイスも開発できちゃうRaspberry Pi(以下. IDEATO SCENARIO focus on great software development and good practices. contrail-ansible-internal should have a configuration to run ansible in different verbose levels: 5 Low: Ramprakash R 3 Invalid: 1724214 #1724214 [4. Because RPM maintains a database of installed packages and their files, users can easily query and verify packages on their system. Before running swapoff command you need to have enough free RAM available, since swapoff command will move all swap data to RAM. Step 1: Creating a Vagrantfile. Openssl Mon, May 27, 2019 Some OpenSSL useful commands Generate cert / key stuff Generate CSR and private key : openssl req -out CSR. It uses the libfuse open source library to communicate with the Linux FUSE kernel module and implements the filesystem operations using the Azure Storage Blob REST APIs. 不论你在运行什么操作系统,在很多情况下,你会面对灾难恢复操作。你的主引导区被覆盖,你的硬盘不能启动,或者一个重要的文件被删除,或者你的显示卡启动时闪烁一下就黑屏了。. it will only copy the new response to the correct place if it is valid and good. We now need to enable cgroup settings to allow Docker (which is underlying Kubernetes) to control resource allocation. Dezember 2016 09:45 « Zurück Weiter » Arena Chess. # Note that sshd uses pam_authenticate(3PAM) so the root (or any other) user # maybe denied access by a PAM module regardless of this setting. Ansible should be installed in your machine. I will follow step by step as the beginner. 本篇文章探讨了大数据技术之使用Kubespray自动化部署Kubernetes 1. x编译安装配置ProFTPd与添加MySQL虚拟用户 Linux swapoff关闭系统交换区命令详解 Linux netconf设置各项网络功能命令详解 Linux export设置或显示环境变量命令详解 Ubuntu 16. CSDN提供最新最全的tete2csdn信息,主要包含:tete2csdn博客、tete2csdn论坛,tete2csdn问答、tete2csdn资源了解最新最全的tete2csdn就上CSDN个人信息中心. Problem building Virtualbox modules on Centos (cannot generate ORC metadata) Vim case insensitive searching /\csearch; Find windows version from commandline (cmd) Windows identify user (‘whoami’ is not recognized as an internal or external command,) Running compiled code sh: [10665: 4] tcsetattr: Invalid argument error; Bash sort IPs naturally. First, we will focus our attention on gaining information on a CPU, so we will look at the /proc/cpuinfo file. Provisioning of a Standalone Kubernetes Cluster, , , Configure network connectivity to Contrail configuration and data plane functions. Step 2: Creating an Amazon ES cluster Elasticsearch is an open source search and analytics engine which is used for log analysis and real-time monitoring of applications. Nyní bylo oznámeno, že od insider sestavení 16251 a tedy i v podzimní velké aktualizaci Windows už nástroj nebude označen jako beta. 3kB 107MB 107MB primary ext3 boot 2 107MB 105GB 105GB primary ext3 3 105GB 107GB 2147MB primary linux-swap 4 107GB 160GB 52. Kernel Modules modprobe -c # list all modules insmod # simple, no dependencies check, not too user friendly lsmod rpm -q --scripts kernel # find out what kernel script runs and what modules are loaded. Kubernetes / docker is not designed to SWAP, it's for high performance computing and all the deployments should be pinned with CPU/Memory limits. basic import * from ansible. Here, one VM will act as the master and the other VM will be the node. A word of caution, during this process you will be doing things like lowering the security of your virtual machines so that the cluster installs more easily. # sync && /sbin/sysctl vm. 09 [RHEL6] 파일 시스템 명령어 3탄(fsck, mke2fs, mknod, mkswap, mktemp) (0) 2020. If you wont have enough free RAM this command may make your system unstable. From your local VM, if the FTP nfvbits. yml and node-playbook. Be sure to use a version of OpenSSH that supports ControlPersist (v5. As explained on Ansible's Google Group: "action_plugins are a special type of module, or a compliment to existing modules. 1 adds streaming Server Configuration File (SCP) support, enhanced RAID creation and many other goodies! See the release notes here for details: Dell EMC Ansible modules version 1. sudo swapoff -a. 组件版本和配置策略 组件版本. Summary: In Step 2 of this Instructable we look at how to set up the Raspberry Pi internal watchdog timer. 40 が master でその他が node). These images can be stored in an online repository called as Docker Hub. Using Ansible to modify files. One stop blog for Aws Cloud, Webservers, Application Servers, Database Servers, Linux Admin, Scripting and Automation. ansible关于清单文件使用的一些小技巧 2020-04-10 Pi-设置无线 2020-04-11 [RxJS] Build an Event Combo Observable with RxJS (takeWhile, takeUntil, take, skip) 2020-04-11. Yet, in certain cases, I did not use lineinfile because I wanted to keep the original files intact to be able to start the configuration all over again without having to go to the process of copying archives and installing them from scratch. Before we proceed, its important to understand that for on-premise kubernetes cluster, service-type = "LoadBalancer" will not assign a static IP address. # 第十一章 LNMP架构 ## 12. Kubespray is a collection of Ansible Playbooks, inventory and provisioning tools. Create two files named master-playbook. -A Append to the log file rather than truncating it. Olá, Fiz um compilado das melhores distros para 2020, ou melhor, da aposta para as melhores distribuições e destaques para 2020. rp_filter = 0 net. com ( Sep 16, 2019 , opensource. 最近由于业务迁移,并且目前在跑的elk版本还是2. This page is intended to show how to modify configuration and other files on systems. 04 LTS), but now everything is fine! Actually, I was going to resize my Linux partition with Gparted, but I didn't know that a freaking experience was waiting for me. That's because activating a swap using "swapon" isn't persistant. net is not accessible, download the following files and move them to VM /root directory. Salt,,一种全新的基础设施管理方式,部署轻松,在几分钟内可运行起来,扩展性好,很容易管理上万台服务器,速度够快. Now it does have a new proxy module with Lighttpd 1. Before doing so, I debugged/tested the playbook in a local VirtualBox VM with a fresh Ubuntu install before attempting on the dedicated hardware. 功能说明:关闭系统交换区(swap area)。 语 法:swapoff [设备] 补充说明:swapoff实际上为swapon的符号连接,可用来关闭系统的交换区。 阅读(3205) 评论(0) FAQ Linux sfdisk硬盘分区工具程序命令详解. pdf), Text File (. In a nutshell Rebooting normally takes under 1 minute, but if clamav-daemon is running, a reboot will take 30 minutes exactly. 使用Ansible + kubeadm部署K8S集群 纯属练手,这几天看了Ansible相关的资料,练习一下,加深了解! 1、环境清单 1. Use this tag for questions about DevOps practices, processes and tools in Linux environments. The master-key-ed25519 keyword line is here for convenience only as this is the same key as is used to sign the certificate for identity-ed25519. cs_network_acl_rule – Manages network access control list (ACL) rules on Apache CloudStack based clouds. Qualunque cosa tu fai, penso che un swapoff e swapon dopo il resume sarebbe utile. ### We put these early because audit is a first match wins system. 检查 kolla-ansible -i. Here is our simple explanation: When this feature is enabled an amount of machine's RAM is put aside and when the system needs to use swap space it will first write to this area and when it is full then it will use the disk. Some of you might be thinking why i have created my own script to install the Live CD when we have Anaconda with us ? Yes you might be thinking right, to fast install the system with better scalabi…. We are proposing the following list of syscalls be dropped from containers: kexec_load, open_by_handle_at, init_module, finit_module, delete_module, iopl, ioperm, swapon, swapoff, sysfs, sysctl, adjtimex, clock_adjtime, lookup_dcookie, perf_event_open, fanotify_init, and kcmp. four days ago, arch linux switched to openssl 1. ip_forward = 1 net. 2备份zabbix-server项目文件(基于项目包) c. x, but that is the other problem with Lighttpd, where its going. WHY ANSIBLE we will consider some facts: ideato’s scenario dev needs sysadm needs 3. I have a small module made on PHP MySql for my 300-400 students to give online examination. Releasing cached memory in Linux. Because RPM maintains a database of installed packages and their files, users can easily query and verify packages on their system. Before we proceed, its important to understand that for on-premise kubernetes cluster, service-type = “LoadBalancer” will not assign a static IP address. etc/fstab #/dev/mapper/rhel-swap swap swap defaults 0 0 Install and enable docker. less /proc B. 前言部署Kubernetes除了手动方式外,还有诸如Kubeadm、Kubespray、Breeze、Rancher、kargo等多种自动化方式。工具没有好坏之分,能干事、效率高就行。这里,笔者仍使用Kubespray部署当前K8s最新版本(用着真的很贴身),可自动化部署HA集群、可灵活定制开发、高稳定性等。 本篇将介绍如何在不用科学上网的. architecture 0001: 15 01 00 c000003e jeq ARCH_64 0003 (false 0002) 0002: 06 00 00 7fff0000 ret ALLOW 0003: 20 00 00 00000000 ld data. GitHub Gist: instantly share code, notes, and snippets. arp_announce = 2 net. exe) files should be set to your environment variables so they can be called from the command line. Ansible의 주요 설정은 inventory. Note that bs=1024 means read and write up to 1024 bytes at a time and count = (1024 x 2048)MB size of the file. Ansible 설치하기 $ sudo apt-key adv --keyserver keyserver. IMHO, it may suitable for an ancient history where 128 MB of RAM is quite big. 0-beta4 and 6. The action plugin. Category: Tech. To explore the same, you may visit my previous post on Grub Rescue. If you want to test memory at full potential, make sure to disable swap (with swapoff). こちらの記事はではAnsibleを紹介するための文章で、元Red Hat社員のJingjing Shiが作成し、Wenhan Shiが日本語に翻訳 Ansible 入門 - 紹介 There are 2 kinds of healing functions in GlusterFS, server-side heal and client-side heal. txt with following content and I want to extract 5 line after matching pattern. yaml --experimental. and any software which rely on python and modules will include those versions. 时间 2018-03-08. 昨日は mini_act4 さんの 認定スクラムプロダクトオーナー研修を受けて気づいた大切なこと でした。 mini_act4 さんがオーナーをするプロダクトやチームに期待が高まります!. Alpine Linux is a security-oriented, lightweight Linux distribution based on musl libc and busybox. 160 k8s-master CentOS 7 192. VMs are running Ubuntu 16. modprobe looks in the module directory /lib/modules/'uname -r' for all the modules and other files, except for the optional /etc/modprobe. 1,希望阅读本篇文章以后大家有所收获,帮助大家对相关内容的理解更加深入。. 组件版本和配置策略 组件版本. In this post, I will install the kubernetes with external etcd. 1 Pro – really great statistic sample. acpi ansible aoe apic backup bacula bash BIND bind bios bootpc bootps CentOS CentOS 6 CentOS 7 clone container coredump crash csrf token curl deb dhcp django DNS dnsperf docker docs driver EFK elasticsearch encrypt expo FAI fdisk fluentd GiGAWire git gitlab gpt I/O i40e identity intel iptables k8s kaist kernel kernel dump kernel remove kibana. 509 certificates to obtain up-to-date ocsp responses. kubernetes是一个开源的自动化 部署、扩缩容、管理容器化应用 的系统。 Kubernetes起源于希腊语, 是"舵手"或者. You can then replicate the same steps to deploy the Kubernetes cluster onto your prod. Automation to Network the BIG-IP (VLANS, Self-Ips). Before running swapoff command you need to have enough free RAM available, since swapoff command will move all swap data to RAM. txt에 언급되지 않은 모듈에 대한 정보가 요청되면. myhypervisor. Ansible has a mltitude of buit-in modules, but you can also creat custom ones. Please disable swap [preflight] If you know what you are doing, you can skip pre-flight checks with `--skip-preflight-checks` [email protected]:~$ sudo swapoff -a. Quindi controllare l'ordine numerato - il primo schema ha note per ibernazione usando i file di swap. Other tools like Ansible,Chef,Puppet should be installed using Terraform initialize, and later used as needed. the let's encrypt code worked out of the box (i've. In this guide, I am going to show you the next level of writing Ansible playbook that is going to Adding Multiple Users and also add them to sudoers file (/etc/sudoers). # Note that sshd uses pam_authenticate(3PAM) so the root (or any other) user # maybe denied access by a PAM module regardless of this setting. After the installation is complete, start the docker service and enable it to launch everytime at system boot. 20 kubemaster kubemaster. com ( Sep 16, 2019 , opensource. Troubleshooting an issue? Try Solution Engine —our new support tool. disable_ipv6 = 1 net. 部署 kolla-ansible -i. Need access to an account? If your company has an existing Red. Afterwards, reboot the system in order to apply the new swap setting or issuing. This task is instructed not to fail the play even when the user is not found as for us this is the desired state!. AWS, Azure, Google Cloud 등 Public Cloud는 물론, Native Kubernetes, OpenStack 등의 Private Cloud 기반에도 적용할 수 있다. Here is our simple explanation: When this feature is enabled an amount of machine’s RAM is put aside and when the system needs to use swap space it will first write to this area and when it is full then it will use the disk. This document details the steps to install MISP on Red Hat Enterprise Linux 8. This book is intended to be a resource that you can use to help you better understand Linux and the abilities that it provides. In order to set up the Kubernetes Linux servers, we need to disable the SWAP. Thank you for reading the preface of the Linux Guidebook 2. Linux swapoff关闭系统交换区命令详解 阅读(3195) Docker用户指南(15) – 默认bridge网络 – 绑定容器端口到主机 阅读(1246) [Flask教程] 1. Ansible의 주요 설정은 inventory. We now need to enable cgroup settings to allow Docker (which is underlying Kubernetes) to control resource allocation. /multinode bootstrap-servers 4. Afterwards, setting this to 30s (default=1s) in production means larger segments sizes and potentially less merge pressure at a later date. conf: $ sudo sysrc kld_list="tmpfs aesni procfs" kld_list: -> tmpfs aesni procfs. Docker installation has been completed. None of the aboveWhat is the command to view the CPU info?A. Step 1: Creating a Vagrantfile. 160 k8s-master CentOS 7 192. 23 CEST pixel fairy wrote: > maybe a script to randomly generate a key, archive, compress, and encrypt > the folder, fetch to local, copy to standby and decrypt there. 4 GB, 107374182400 bytes, 209715200 sectors. sudo systemctl enable docker. There were also some suggestion on installation tutorial to prepare about 2. Terraform is a widely adopted Infrastructure as Code tool that allow you to define your infrastructure using a simple, declarative programming language, and to deploy and manage infrastructure across public cloud providers including AWS, Azure, Google Cloud & IBM Cloud and other infrastructure providers like VMware NSX-T, F5 Big-IP etc. RAID (Redundant Array of Inexpensive Disks) defines the use of multiple hard disks by systems to provide increased diskspace, performance and availability. How to Extend Swap Space using Swap file in Linux Extend Swap Space using Swap file in Linux There are some scenarios where our Linux box is running out of swap space so in that case we can extend the swap space using swap partition but due to unavailability of free partitions on the disk, we are unable to extend it. Ansible offers huge number of modules for managing the cloud operations for all major cloud providers like Azure AWS and GCP. In this article we show how to build mcrypt module for Ubuntu based on our previous article showed above. 本次安裝的版本: Kubernetes v1. Qualunque cosa tu fai, penso che un swapoff e swapon dopo il resume sarebbe utile. # 第十一章 LNMP架构 ## 12. swapoff -a && sysctl -w vm. 本篇文章探讨了大数据技术之使用Kubespray自动化部署Kubernetes 1. Progressive caching is better for sites that don't update very often. sysenter/sysexit编程示例. 이러한 Tools로 나온 게 Ansible, Chief, puppet, Terraform, AWS Cloudformation Enable br_netfilter Kernel Module $ swapoff -a # swap 파티션이나 swap. Parted has gone a long way from when it first came out. If you set this value to 0, the VM handler will be least likely to use any available swap space, and should use all available system memory first. Varnish is a caching http reverse proxy which means it works as an intermediatery between your client and web server, receives the requests from the client and tries to answer them from the cache , In case if varnish is not able to answer the request from the cache it will forward the request to the backend web server and. 1160 [07:14:31] it's easier on windows because when you install a version of python it has it's own directory tree, and all packages are installed under that. The mcrypt module was part of PHP 5 till 7. The master-key-ed25519 keyword line is here for convenience only as this is the same key as is used to sign the certificate for identity-ed25519. ### We put these early because audit is a first match wins system. 4; hvac; 1、安装及配置ansible. Sometimes, we have that much memory in the system that our kernel keeps filling up the memory by caching every piece of data we access. 25: drop capabilities from the system-wide capability bounding set. It is used to specify the IP address for kubernetes cluster communication and range of networks for the pods. Ansible (1) GoLang If these module are not loaed when kubeadm init is started, swapoff -a. Kubeadm HA master(v1. erified with ceph-ansible-1. The latest OpenSSH installp filesets from IBM are available here. 配置ssh key 认证。. You can also deactivate the swap with the swapoff command: $ swapoff /dev/sdb1 Another way to deactivate the swap space is by rebooting the machine. # Note that sshd uses pam_authenticate(3PAM) so the root (or any other) user # maybe denied access by a PAM module regardless of this setting. 1908 Version of this port present on the latest quarterly branch. List of Unix, Linux Commands accept accton acpid addftinfo addpart addr2line adduser agetty alias alternatives amtu anacron animate anvil apachectl apm apmd apmsleep appletviewer apropos apt ar arbitron arch arp arping as aspell at atd atq atrm atrun attr. E poiché non si richiede davvero lo swap, si potrebbe lasciare lo swapoff dopo il resume. The ’/’ separator is also accepted in place of a. 以下のコマンドで出力を抑制できる. (More version information is shown. Where docker comes into the picture, at a very high level below…. ansible >=2.   - then run below command. 7 이 있지만 ErrorImagePull 에러가 발생하면서 설치가 진행되지 않는다. Given a scenario, install, configure, and monitor kernel modules. If the Linux swap had been on its own device (/dev/sdb for example) things would have been a lot easier as we would not need to worry about the swap partition at all and could just extend /dev/sda. 第一个Flask程序、DEBUG模式及URL传参 阅读(2479) INNODB_LOG_FILE_SIZE:设置MySQL重做日志大小 阅读(6983) Docker安装部署MySQL5. This task is instructed not to fail the play even when the user is not found as for us this is the desired state!. x86_64 - working as expected hence moving to verified. Of course, you could just use the command action to call rsync yourself, but you also have to add a fair number of boilerplate options and host facts. 3 CompTIA Linux+ Certification Exam Objectives Version 5. sudo swapoff -a. GitHub Gist: instantly share code, notes, and snippets. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, Questions tagged [linux] Ask Question Linux is the generic term for a UNIX-like open source operating system based on the Linux kernel. Vous récupérerez le projet complet dans mon Github ici. Ryan McKay http://www. 20 kubemaster kubemaster. Ansible (1) GoLang If these module are not loaed when kubeadm init is started, swapoff -a. Kernel Modules modprobe -c # list all modules insmod # simple, no dependencies check, not too user friendly lsmod rpm -q --scripts kernel # find out what kernel script runs and what modules are loaded. Salt,,一种全新的基础设施管理方式,部署轻松,在几分钟内可运行起来,扩展性好,很容易管理上万台服务器,速度够快. architecture 0001: 15 01 00 c000003e jeq ARCH_64 0003 (false 0002) 0002: 06 00 00 7fff0000 ret ALLOW 0003: 20 00 00 00000000 ld data. 4,ansible安装客户端 1. 160 k8s-master. Be sure to use a version of OpenSSH that supports ControlPersist (v5. 1 root root 70 4月 17 10:17 mymax. 3 为每台 服务器 添加host解析记录 cat >>/etc/hosts<> /etc/sysctl. 36 kube2 kube2. In this article I will walk-through the installation of Kubernetes Cluster on CentOS7. swappiness의 값이 0 인 상태에서 스왑을 쓰면 os에서 kill할 수 있어서 1로 설정한다. 167 Worker2:192. 参考ansible的使用。 给部署机器配置SSH的免密登录权限,具体参考ssh免密登录。 2、安装python-netaddr # 安装pip; yum -y install epel-release; yum -y install python-pip # 安装python. The ultimate CLI learning tool for explaining commands from your terminal. Ansible安装在你的机器上。有关特定平台的安装,请参阅Ansible安装指南。 设置概述. less /proc B. Built by: paas: State: complete Volume: DEFAULT: Started: Tue, 22 May 2018 05:48:15 UTC: Completed: Tue, 22 May 2018 05:51:21 UTC: Task:. ini檔並將modules寫入該檔中 swapoff /tmp/swap. , Generate a single yaml file to create a Contrail-k8s cluster, Instantiate the Contrail-k8s cluster, Provisioning of Non-Nested Contrail Kubernetes Clusters. -rw-r--r-- 1 root root 4. Thank you a ton! this config has helped explain auditd rules alot. 9 目錄 Introduction 入门 是什么 安装 API. 4 installed with kubeadm. Prerequisites. in case the current ocsp responses will expire soon, or aren't there, it will try to get a new response. 使用Ansible + kubeadm部署K8S集群 纯属练手,这几天看了Ansible相关的资料,练习一下,加深了解! 1、环境清单 1. 本文记录Linux/Unix系统中常用命令: 先列几个基本的: ls :列出当前文件夹下所有文件(不包括隐藏文件) cd [文件夹. This article is useful for developers and DevOps/DBA staff who want to create AWS AMI images and manage those EC2 instances with Ansible. The parameters available are those listed under /proc/sys/. org server 3. com) 20190916 : Creating virtual machines with Vagrant and Ansible for website development Opensource. This affects all modules and overrides any cache settings inside individual modules. Ansible offers huge number of modules for managing the cloud operations for all major cloud providers like Azure AWS and GCP. Vagrant should be installed on your machine. After the installation is complete, start the docker service and enable it to launch everytime at system boot. this also means that i can finally test my let's encrypt library, let's encrypt ansible role and ocspbot against openssl 1. Contribute to djx339/ansible-role-swapoff development by creating an account on GitHub. The size of the root file system will grow not to shrink. It is a percent value, between 0 & 100. Closed dlee opened this issue Dec 10, 2013 · 20 comments Closed Add Add support for calling swapon and swapoff from the mount task. I am newbie to Ansible, i failed using ansible via command that way : ansible host -a "/sbin/swapoff -a && /sbin/swapon -a" Only this worked ansible host -a "/sbin/swapoff -a ansible h Stack Exchange Network. kolla-ansible -i. Oracle Linux 7. In order to improve indexing rate and increase shard segment size, you can disable refresh interval on an initial load. arp_announce = 2 net. 临时增大Linux的交换分区- 当系统的物理内存不够用的时候,就需要将物理内存中的一部分空间释放出来,以供当前运行的程序. We're going to need the br_netfilter kernel module so you'll have to add a line with br_netfilter in /etc/modules, and either reboot or use: modprobe br_netfilter Now open /etc/sysctl. Ansible apache Apache 2. SamYaple: but yea anyway if you run `ceph-authtool -p -C /dev/null -g`: 00:00: SamYaple: it will pump out a key thats note tied to the cluster: 00:00: SamYaple: just the raw key:. Check der Versionen der Lua-Module nach der Installation: luarocks list. We can also clear swap by running swapoff -a and then swapon -a as root instead of rebooting to achieve the same effect. 参考ansible的使用。 给部署机器配置SSH的免密登录权限,具体参考ssh免密登录。 2、安装python-netaddr # 安装pip; yum -y install epel-release; yum -y install python-pip # 安装python. 2GB logical ext3 6 133GB 133GB 107MB logical ext3 7 133GB 160GB 26. I've done a lot with AIX.