Ansible

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 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++  ANSIBLE PATCH MANAGEMENT  ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Generally on enterprise setup you have got satellite , - Configuration management tool  Lets assume you do not have any of these tools and you have a bug for which you need to apply Kernel patch on 1000 servers . ignore_error : this will ignore error and will not exit out register : app_process_check (this becomes the various which will register the output of shell module ) Second task inventory_host name : the host where  the command is getting run it checks for the condition is the output from the variable app_process_check.stdout == "process_running" the patching will fail if the application is running . it will quite the patching job but will display the message while quitting . We are using Yum package manager where our clients are on red-hat or CentOS 7 . If you want to upda...