#shell code

[nixcraft]

Bash For Loop Examples - nixCraft

Explains how to use a Bash for loop control flow statement on Linux / UNIX / *BSD / macOS bash shell with various programming examples.

Poor man's IT automation tool:

# patch 5 CentOS boxes for i in box0{1..5} do     ssh user@${i} yum -y update done

# Patch Linode Ubuntu boxes for i in s{1..3} do     ssh u@$i apt update && apt -y upgrade done

Keep it simple stupid ;)