ansible delegate to

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

I. Preparation of the first order Ansible installation is complete, below learn how to use ansible.Just like learning a programming language, first write a Hello World sample program. We also write a ansible "Hello World": Ansible 192.168.128.83-m Ping This command means ping 192.168.128.83 through the admin hostThe "-M ping" in the command indicates that the pi

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

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

-- Ensure cannot be summarized by the PNG process of the PAC Jinjia experiment. Roles introduction: Ansible uses roles to organize playbooks in a hierarchical and structured manner ). Roles can automatically Load Variable files, tasks, and handlers according to the hierarchical structure. Simply put, roles places variables, files, tasks, modules, and processors in separate directories and easily include them, roles is generally used to build servi

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

Ansible is based on modularity, with specific modules to complete specific tasksBased on the Python language implementation, implemented by three key modules of Paramiko, Pyyaml and JINJA2Simple deployment, agentless (no client deployment, client management via SSH protocol)Based on master-slave modeSupports custom modules (other programming language-written modules can also be called via Ansible interface)

Ansible Getting Started experience What does Ansible do? Why does it need to be used in a distributed system?If I have a Java service a now, you can deploy only one server when the volume of traffic is small and availability requirements are not high. When service A to launch online, you can log in directly to the server to publish work. But because of the growth in business volume and the need for availab

Today, there is a netizen, ask: There are several small text files in the specified directory, and you now need to use multithreading for reading. A file can be a thread or set of 10 threads in a way. Append all the read text to the specified edit box in the window, and only one edit box is written in this, in this case, in the order of wrapping. I wrote the following solution in the form of a delegate: Using System;Using System.Collections.Gener

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

From: http://hi.baidu.com/super311/blog/item/15ff2513ed83f4d3a6866945.html Delegate statement Public delegate void MyDelegate (string str );Note1. The definition of delegation is similar to the definition of method, but a delegate is added before, but the delegate is not a method, and it is a type. It is a special type

Root U3D-about all aspects of Delegate, u3d-delegate Do I need to read this article? Code1: 1 private delegate void BloodNumDelegate ();2 3 public delegate void ExpNumChangeDelegate (int _currentExpNum);4 5 public event ExpNumChangeDelegate mOnExpNumChangeDelegate; Code2: PlayerVoProxy. instance. mOnExpNumChangeDelega

Batch manage remote servers using AnsibleBackground Local management of a batch of remote servers is required, mainly to execute the following tasks: 1) Copy local files to all remote servers;2) execute commands on the remote server; The paths of the remote server are not completely consistent. Generally, access is performed through the variable paths defined in the environment variables;For example, define $ app_path =/opt/app/bin in. bashrc. Finally, ansib