Ansible is a relatively new automated operations tools, based on Python development, the collection of many operations tools (puppet, Cfengine, Chef, func, fabric) The advantages of the implementation of batch system configuration, batch program
Concept of the process:In the Linux system, all commands have operation or operation permissions, the same command for different users have different permissions, these permissions belong to the file's property information. So we probably know that
Ansible through the way of the module to complete some remote management work. You can view all modules through ansible-doc-l, you can use Ansible-doc-s module to view the parameters of a module, or you can use Ansible-doc Help module to view more
A ansible IntroductionDoes not need to install the client, through the sshd to communicateModule-based work, modules can be developed in any languageNot only supports command line use of modules, but also supports writing YAML format playbook, which
Ansible notesHosts: remote hostUser: Users who are executing the task groupRemote_user: Same as usersudo: If set to Yes, the user performing the task group gets root permission when the task is performed.Sudo_user: If you set user to Tom,sudo as Yes,
VPS or server often need VPS or server often need to regularly backup data, scheduled to restart a service or scheduled execution of a program and so on, generally in Linux use crontab,windows below is the use of scheduled tasks (win is the
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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.
1. Understand log filesLinux Log files are the most useful. Log Files let us know the status of the system. For example, you can find out which users have logged on, which also involves related security issues. If we do not know how to analyze logs,
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