Sep 13

Show slow queries on postgresql

Sep 12

Add a new ssh authorized key to a remote host... in one single line

Jun 19

Rename multiple files with a given pattern

Jun 7

Copy thousand of files over ssh

May 20

Setting default Linux kernel

Apr 25

Changing hostname on Ubuntu 18.04 Server

Apr 25

Setting clock on ESXi console

Feb 3

The fastest way to count columns in shell: AWK

Jan 5

Restore whole folders from Amazon S3 Glacier