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Ansible can be automatically managed using the command line, and Ansible's command-line management tools are supported by a series of modules and parameters, and we can view the module's help information through the Ansible-doc tool. This post will detail the functions and operations of the Ansible module.ansible Command parameters: -V: Output details (m

Tags: ansible-playbook automatic deployment MySQL master-slave copy read/write separation Directory structure: ansible-mysql-replication├──group_vars│├──all│├── mysql-proxy│└──mysql-slave├──hosts├──mysql-replication.retry├── Mysql-replication.yml└──roles ├──amoeba │ ├──files ││├── Amoeba-mysql-3.0.5-rc-distribution.zip ││└── jdk-7u79-linux-x64.tar.gz │├──handlers │ ├──tasks ││├── Jdk-7u79-linux-x64.tar.gz

Ansible Problems Developed based on paramiko. What is this paramiko? It is a python-Only SSH protocol library. Therefore, fabric and ansible do not need to install client/agents on a remote host because they communicate with remote hosts Based on SSH. The inventory file is used to define the host to be managed. The default location is/etc/ansible/hosts.

Ansible automated O M tool learning Manual 1. Introduction to ansibleCommon automated O M tools Puppet-developed based on Ruby and adopts a C/S architecture. It is highly scalable and SSL-based, and remote command execution is relatively weak.SaltStack-developed based on Python and adopts the C/S architecture. It is more lightweight than puppet. The configuration syntax uses YMAL to make the configuration script simpler.

Ansible is an automated operations tools, based on the development of Python, the collection of many operations tools (puppet, Cfengine, Chef, func, fabric) The advantages of the implementation of batch system configuration, batch program deployment, batch Run command and other functions.Ansible is a module-based capability that does not have the ability to deploy in batches. The real batch deployment is the module that

1th ChapterThinking1.1How to use one clickAnsibleBuild1.1.1First Step goalThe first thing we want to make clear is that we need to implement a one-click Automation script that executes a script and then automates the installation of Nfs+rsync+sersync andthen lets web01 automatically mount the NFS shared directory. 1.1.2Second step relationship clear and sequentialNow that we have a goal, what we need to do is we need to understand the sequencing of automated installations. since we n

The Confession of op sauce since into the expensive circle, every day need a strong heart to maintain the chaos of the line, every day is the same as the Shell/python in papered fill hole ah, feel every day is in and if else deal with Ah, Every time you spend keywords script, the next time to point to new requirements, can reuse the part of the less to do not want to reuse, very desperate ah, there are wood. Batch Run tool or in Lhck lhcp, each time a long series of commands, all kinds of esc

This is a creation in Article, where the information may have evolved or changed. Containers are an increasingly popular development environment. As a developer, you can choose from a variety of tools to manage your containers. This article will introduce you to Ansible Container and show you how to run and test your application in a similar production environment. Entry This example uses a simple Flask Hello world program. This program is served by A

into the machine, with "ssh ‘-o StrictHostKeyChecking=no [emailprotected]‘",and check in:.ssh/authorized_keysto make sure we haven‘t added extra keys that you weren‘t expecting.??[[emailprotected] ~]# sshpass -p123456 ssh-copy-id -i /root/.ssh/id_dsa.pub "-o StrictHostKeyChecking=no [emailprotected]"Now try logging into the machine, with "ssh ‘-o StrictHostKeyChecking=no [emailprotected]‘",and check in:.ssh/authorized_keysto make sure we haven‘t added extra keys that you weren‘t expecting.??[[e

The previous section outlined the overall layout, which highlights the meaning of the directories under the/etc/ansible/roles/tomcat directory.此目录的目录结构如下: . ├── files │ └── tomcat-initscript.sh ├── handlers │ └── main.yml ├── tasks │ └── main.yml └── templates ├── iptables-save ├── server.xml └── tomcat-users.xmltasks/main.yml 里面有如下行: - name: Configure Tomcat server template: src=server.xml de

Recently, I am entangled in how to choose from Puppet, Chef, SaltStack, Ansible, and other configuration management tools. Considering that the changes are a lot of troubles once they are not selected at the beginning, it is a little cautious. I have used Puppet and SaltStack, but it is not exactly as expected, so we should first exclude it. As for Chef, although I have heard of it for a long time, I have never found a chance to try it. After reading

Please be sure to keep the environment consistent To download the required system packages during installation, be sure to connect all the nodes to the Internet . Cluster node information for this installationLab environment: VMware's virtual machines IP Address Host name CPU Memory 192.168.77.133 K8s-m1 6 cores 6G 192.168.77.134 k8s-m2 6 cores 6G 192.168.77.135

First, Ansible Basic installationInstall RPM using Yum with epel6,7 and more. However, you must install Python2.4 or a later version of Python.Add Source:Wget-o/etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-6.repoYum Install Ansible-ySecond, ansible configuration1. SSH face key login settings# #生成公钥/Private keySSH-KEYGEN-T RSASsh-copy-id-i ~/.ssh/

Tags: Linux automated operation and maintenance ansibleObjectiveThe development direction of operations, centralization, automation, standardization, virtualization, distributed.This article shows a tool for automating the development of operations: Ansible. Ansible has many advantages, only need ssh and Python can be used, do not need the client, powerful, module rich, easy to get started low threshold, ba

.YAML file extension is usually yml or YamlIntroduction to YAML Syntax:ListList: Lists, all of whose elements begin with "-"Example:# A List of tasty fruits–apple–orange–strawberry–mangoDictionaryDictionary: A dictionary, usually consisting of multiple keys and valueExample:—# an Employee recordName:example DeveloperJob:developerSkill:eliteYou can also place key:value in {} to represent, separating multiple key:valueExample:—# an Employee record{name:example Developer, job:developer, Skill:elite

Ansible deploy simple high-availability lampAnsible Host: 192.168.152.145HA1 (highavailable): 192.168.152.140ha2:192.168.152.141VIP1 (virtualip): 192.168.152.190vip2:192.168.152.191AP1 (apache+php): 192.168.152.142AP2 (apache+php): 192.168.152.143db:192.168.152.144Configure AnsibleYum-y Install AnsibleVim/etc/ansible/hosts[nginx]192.168.152.140192.168.152.141[ap]192.168.152.142192.168.152.143[db]192.168.152

The ansible only needs to be run on a common server and does not require the client to be installed on the managed server. Because it is SSH-based, the Linux server cannot be separated from SSH, so ansible does not need to add additional support for the configuration work. You can use ansible from the command line, the server running

About ansible do not do more company, directly start the installation configuration" Installation Environment"[Email protected] ~]# cat/etc/centos-release CentOS release 6.5 (Final) [[email protected] ~]# Uname-alinux Ansibleserve R 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 03:15:09 UTC x86_64 x86_64 x86_64 gnu/linuxInstall operating system Dependency packages[[Email protected] ~] #yum install-y python-setuptools python-devel gmp-devel gcc java-1.7.0-openj

In the field of automation operations, in addition to Saltstack, there are ansible this batch installation Deployment tool, in writing the specific content first, first of all I used two tools after the sentiment.Saltstack is the C/s framework, in order to install software in the client, and start the service to manage, ansible is connected via SSH to the client, that is, the key must be passed to the clien

Installation of AnsibleAnsible-Based on Python Paramiko development, distributed, no client, lightweight, configuration syntax using Ymal and JINJA2 template language, stronger remote commands to perform operations.Similar automated operations tools are commonly used in many other things:Puppet:-Based on Ruby development, with C/s architecture, strong extensibility, SSL-based, remote command execution is relatively weak.Saltstack:-Based on Python development, the C/S architecture, relatively pup