ansible user

Before I had summed up a little Ansible series Bowen, this article also take the previous space bar. In the current network application, the security-hardened host is not allowed to log in directly to the root user, and many commands require root users to perform, without rebuilding the current network. Hope that through a common user first landing, and then Su-c

tosee if our module needs to perform any changes.4. We check if we were sent a new hostname to set, and check if that hostnameis different from the one that is currently set.5. If both those tests are true, we try to change the hostname, and set CHANGEDto True .6. Finally, we output the results and exit. This includes the current hostnameand whether we made changes or not.The above script executes the following operations: Changing the hostname on a Unix machine requires root privileges. So w

want to operate on different operating systems Prompt the user and then execute the operation request When you execute a query task that requires a long time Update prohibited when hard disk space exceeds the threshold Check whether the custom script is running Task delegationAnsible, by default, runs its tasks all at once on the configured machine. This is greatwhen you have a whole bunch of separate machines to configure, or if each of yourma

in the Device List group. It allows us to access all the hosts we configured at the same time. This is a very powerful tool, this allows us to review each host in the group and apply the operation above. ----Name: Configure the databaseHosts: dbserversUser: rootTasks:-Name: Install mysqlYum: name = {item} state = installedWith_items:-Mysql-server-MySQL-python -Name: Start mysqlService: name = mysqld state = started enabled = true -Name: Create a user

Ansible @ an efficient configuration management tool-Ansible configure management-translation (8), ansible-ansibleIf you do not have written authorization, do not repeat Chapter 4. Use of Ansible in large projects RolesIf your playbooks start expanding beyond what includes can help you solve, or youstart gathering a l

: indicates that the key storage path is $ {USER}/. ssh/id_dsa. 6> copy the public key on 250 to the controlled client. # Ssh-copy-id-I ~ /. Ssh/id_rsa.pub root@192.168.1.251Option-I: Specify the Public Key File # Try to log on without a password in ssh 192.168.1.6.2 7> 250 basic ANSIBEL Test # Ansible storm_cluster-m command-a 'uptime' Note: during the first running, you need to enter "yes" for public ke

Sesame HTTP: Ansible extension and sesame ansible ExtensionIntroduction to Ansible Ansible is an O M tool developed by Python. Because work requires access to Ansible, it often integrates some things into Ansible, so it is more

of pageInstalling AnsibleIf you are a centos/redhat, Debian, Ubuntu user, you can use the System Package Manager yum or Apt-get installation (Centos/redhat need to install Epel package to install via Yum). But here, I strongly recommend that you use PIP to install Ansible. So what is PIP? Pip is a Python package installation and management tool that features a gem of NPM, Ruby, similar to node. js. Pip mak

on the management node:This article installs ansible on the CentOS 6.5 system via Yum and the Epel source is already installed on the machine, please refer to the official documentation for other system installation methods.[Email protected] ~]# yum-y install ansibleCommon configuration items in the ansible configuration file:[defaults]inventory =/etc/ansible/ho

If you do not have written authorization, do not reprint it. Chapter 4 Use of ansible in large projects New features in 1.3There are two features in Ansible 1.3 that were alluded to previously in the chapter.The first feature is the metadata roles. They allow you to specify that your roledepends on other roles. For example, if the application that you are deploying needsto send mail, your role could depend

lanzhiyong -m shell -a ‘ls /scripts‘192.168.209.13 | SUCCESS | rc=0 >>a.shtest.sh Group of 16.ansible Common modulesThe group module is used to add or remove groups on the managed machine//在受控机上添加系统组，其gid为306，组名为mysql[[emailprotected] ~]# ansible lanzhiyong -m group -a ‘name=mysql system=yes gid=306 state=present‘192.168.209.13 | SUCCESS => { "changed": false, "gid": 306, "name":

remotely using SSH, and the SSH service is a server prerequisite. Ansible simplifies the use of cost on the design and uses SSH to connect "managed nodes" on the "Management node". By creating an SSH connection to send the order and execution, to achieve the purpose of configuration management. This avoids compatibility issues with the use of agents in different versions of the operating system, or even under different operating systems of the releas

configure SSH trust, otherwise you will be prompted to enter the password.ssh-keygen -t rsa //生成密钥[[emailprotected] ~]# ls .ssh/id_rsa id_rsa.pubssh-copy-id -i ~/.ssh/id_rsa.pub [emailprotected](需要免密的受控端ip)Ansible How to get helpAnsible to obtain help information through the Ansible-doc command, you can use the-s option of this command to get help for the specified module//查询ping模块的帮助文档[[emailprotecte

. Configuring the Host InventoryAnsible by reading the default host manifest file/etc/ansible/hosts, the file is specified in the/etc/ansible/ansible.cfg file, can be customized host, support IP, domain name, support grouping, convenient for aHosts or a group of identical hosts, and a default all group that represents all the hosts in the inventory.# vi/etc/ansible