ansible vs docker

First, create the home folder and each sub-folder cd/etc/ansible mkdir nginx_install mkdir-p Nginx_install/roles/{common,install} Mkdir-p/etc/ansible/nginx_install/roles/common/tasksCd/etc/ansible/nginx_install/roles/installmkdir handlers files meta tasks templates VARsDescription: The roles directory has three roles, common for some preparation operations, in

Installation of 1.ansibleYum-y Install Ansible2. Then the configuration/etc/ansible/hosts, which mainly records your login IP or alias and login user and password, according to demand I here to all the host divided into 2 categories, [web] and [Orther]# cp/etc/ansible/hosts/etc/ansible/hosts-#操作前备份# VI Web #创建web文件, record host IP and password (example below)1.2.

As we all know, Ansible's playbook will not show the standard output.How can you make ansible like commands line with standard output?Ansible boss+merchant+web-m shell-a "Hostname;ip a" 192.168.6.210 |Success | Rc=0 >>pay-boss+merchant+web1:lo: Let's try it with playbook [emailprotected]:/etc/ansible#ansible-playbook

!\n "}1.3 Cat Ip.txt172.16.1.10172.16.1.272. Installing AnsibleDescription: Using Yum installation, source package installation is particularly troublesome2.1. Basic SettingsYum-y Install Ansiblecd/etc/ansiblellansible.cfg #ansible的系统配置文件 The last addition to the hosts #客户端的主机的配置文件在/etc/ansible/hosts file: [w ebservers]172.16.1.10172.16.1.272.2 Viewing common modules[[emailprotected]

This series of articles will introduce Docker knowledge: (1) Docker installation and basic usage (2) Docker mirror (3) Isolation of Docker containers-use Linux namespace isolate container's operating environment (4) Isolation of Docker containers-use cgroups to limit the

What is Docker?Docker's English translation “搬运工” means that what he's carrying is what we always say 集装箱Container , Container is an app of any kind, and our developers can use Docker to turn the app into a label, 准化的 可移植的 自管理的 component, We can develop, debug and run in any major operating system.What is the difference between Docker and virtual machine?Conceptu

Docker is a new way to achieve a super lightweight virtual machine, in the implementation of the principle and application or VM has a huge difference, the professional name is the application container (application Container). (I personally prefer to call it a virtual machine) 1. Installation 1.1 Installing Docker on Ubuntu 14.04 Prerequisite Requirements: Kernel version must be 3.10 or above Follow t

Recent continuous integration with jenkins+gitlab+ansible, automated deployment and version rollback. However, the Deploy plugin failed to do incremental upgrades and rollback operations, tossing a long time to decide to write their own script simple implementation.Environment:7.0 64-bit gitlab:v2. 9.0 git: 2.9 1.651. 3, git plugin, GitLab plugin, Dynamic Parameter plug-in ansible:2.1. 0.0Various tool func

), Dictionary The Dictionary (dictionary) is identified by key and value, such as: name: Example DeveloperJob: DeveloperSkill:Elite You can also use Key:value as a representation in {}, such as: {name: Example Developer,Job: Developer,Skill:Elite}Inventory Host Inventory Ansible for more convenient management of the host, in the host list will be managed host group naming, the default host inventory is the/etc/

Objective:What is Filter_plugins? This word is broken down, filter!　The person familiar with the jinja2 template, to know that he is a filter, can use Pyhton code to process strings in a template in a pipe way. The ansible template calls the JINJA2, which is known to all. This Filter_plugins plug-in code is designed to better handle strings and logical judgments in the JINJA2 template. Previously, I talked to Shen Zan about a template problem, really

One of the most important functions in ansible is the ability to execute AD-HOC commands, and some people may not understand the meaning of the word ad-hoc, which means instant meaning, or arbitrary meaning.In contrast to the Ansible playbook function, playbook is suitable for batch deployment environments and is generally not frequently changed. The Ad-hoc command applies to operational scenarios such as b

Topology:650) this.width=650; "src=" https://s5.51cto.com/wyfs02/M00/8D/6D/wKioL1icKkeBk9nMAADZROqP5lk658.jpg "title=" b.jpg "alt=" Wkiol1ickkebk9nmaadzroqp5lk658.jpg "/>Topology Description: Two servers configured Keepalived+nginx to do the load Balance of the dual master model, with the host name LB1 and LB2 Two servers configure lamp to handle dynamic resource requests with host name LAMP1 and LAMP2 Two servers configured varnish as a static resource cache server with host na

This article source: http://sofar.blog.51cto.com/353572/1579894/ObjectiveA powerful configuration management solution written by Python. Although there are already many alternative configuration management solutions available, they have advantages and disadvantages, and ansible is characterized by its simplicity. One thing that makes Ansible unique in the mainstream configuration management system is that i

Ansible advantages over other automated operations tools (Saltstack, puppet):Ansible is a lightweight framework that enables a variety of functions based on individual modules, which can be developed on demandAgentless no need to install agent, according to the specific situation to establish a machineSupport Playbook ScriptPython language development, do operations are more acceptable languageOther and so

AnsiblePython-based Paramiko development, distributed, no client-side, lightweight, configuration syntax using Ymal and JINJA2Template language, stronger remote command to perform operationsAnsible working mechanismAnsible the Ansible module via the SSH protocol (or Kerberos, LDAP) on the management nodeLine, automatically delete after execution, can use SVN to manage the custom module and orchestrationFive componentsAnsible: CoreModules: Core modules

Use ansible to compile and install the O M tools tmux and ansibletmux Experimental System: CentOS 6.6 _ x86_64 Prerequisites: Prepare the compiling environment in advance, and disable both firewall and selinux. Software Introduction: tmux is an excellent terminal multiplexing software, similar to GNU Screen, but comes from OpenBSD and adopts BSD authorization. The most intuitive advantage of using it is that after logging on to the remote host throug

Prerequisites Using Docker recently is a lot more personal than a virtual machine. However, installing Docker under Linux and Windows will overwhelm a group of people that we don't want to see. This article describes in detail the installation of Docker-ce and Nvidia-docker under Ubuntu, and how to use the domestic im

Ansible Introduction:Ansible is just a framework, does not have the ability to deploy, really has the bulk deployment ability is the ansible template,The architecture includes:The connection plug-in connection plugins is responsible for communicating with the monitored side.Host Inventory: Hosts that specify operations, which are the hosts that define the monitoring within a configuration fileVarious module