How to remove files with ignore case sensitivity?

 

How to remove files with ignore case sensitivity? 

groupmems

What is groupmems? 

find - user and group

Linux command find is very important. Today we will learn how to find with ownerships. Let's do it. 

vigr

 edit /etc/group via vigr: 

Regular expressions and [ ]

 Regular expressions and [ ] 

What is ? in vi(m) editor?

 You know this symbol (?). How it works in editor vi and command less?

How to repair read only /etc/fstab?

 How to repair read only /etc/fstab? 

what is ^ in bash?

Regular expressions are not very friendly for many linux administrators. I will try explain this regular expression ^. 

editor vi 16: undo?

Niečo vymažeme a zistíme, že vlastne nie to sme chceli. Napríklad IP adresu, však tie sa nikto neučí naspamäť.

ansible-playbook --syntax-check

very helpfull for checking playbooks:   ansible-playbook --syntax-check yaml_is_cute.yml