We use IF LOOP all time, but when it comes to multiple conditions IF Loop gets complicated as you have to write multiple times. CASE saves going through whole if…then…else statements. So, if you enter the country name which is mentioned it will give desired output and if it’s not present It will show unknown […]
Category: Scripting
Ansible Playbook to start services
Ansible Playbook to start services We have already seen how to run Ansible Adhoc Command, now let’s focus on a playbook to start any service on your servers, In the example below I have started crond service but you can use it to suit your needs. If you have multiple host groups then replace hosts: […]
Disable host-key checking while using ansible adhoc command
If you want to disable host key checking for ansible adhoc command, first run the the command below. Now, once you have disabled host key checking run your ansible ad-hoc command. Run Ansible adhoc command with Sudo
Exit Status in Linux.
What is exit status in the linux? Whenever you fire a shell command it returns a status to check if that command was successful or not – exit status can be very useful in scripts to make you scripts stable. Example:- In the example below, I ran uptime command and it was successful – so […]
Restart service automatically and get notified.
So you are running you own webserver which at the times is short of resources and the services like MySQL and HTTPD stops – results your website is down until you get a chance to fix it. Quick solution would be to implement a script which restarts services at such situations and emails you that […]