Ansible: The changed_when parameter
By default, when a playbook is executed, in the display mode stdout we will see various piece of information. IT provides us a the sections […]
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Ansible: Add and remove crontab files
Ansible can be used to remotely configure cron entries or even create a crontab files in managed nodes. The below example creates a crontab file […]
Ansible : Running jobs as a specific user
Though ansible server will run jobs in managed nodes as a root user, we can specify the user account using which the jobs should get […]
Redhat – Boot Target
A Linux systems can boot up in various modes based on user preference. For example we can configure a node to start on GUI mode, where once […]
Ansible: Scheduling jobs using AT and CRON
Ansible provides a means to schedule jobs to be executed on a future time, weather it is a one time job or ones to be […]
AT command : Running one time future task
Unlike the the cron job is mainly used to schedule repetitive tasks, the “at” command is used to run a command just once, but schedule […]
Ansible: Adding a line to a file. At the end of file, and replacement of line
Ansible allows admins to add lines to files. The below playbook adds a sudoers configuration file, and adds an entry to allow users of group “webadmin” […]
Ansible: The Authorized Key Module
In order for a user to ssh to a remote node, usually some form of authentication such as user credentials, SSH keys, etc are required. […]
Ansible: The The Known Hosts Module
When a user access a remote node using ssh for the first time, a prompt will appear asking the following: This key is not known […]
Ansible: User management – Add user – ssh key
In this section we will try to understand few of the operations we can do using User module. In the below example, we will create […]