#bash5

[nixcraft]

Want to show animated Christmas tree in your Linux/Unix/macOS/*BSD terminal?

Read: Linux / Unix Desktop Fun: Christmas Tree For Your Terminal

[nixcraft]

Cleverly done.

[nixcraft]

My most used Ctrl keys with Linux/macos (unix) desktop running bash:

Ctrl+r : Backward search 

Ctrl+l : clear

Ctrl+s : Pause output

Ctrl+q : Resume output after Ctrl+s

Ctrl+a : move to the beginning of line (BOL)

Ctrl+e : move to the end of line (EOL)

Ctrl+k : delete all text from the cursor to EOL 

Ctrl+_ : undo

[nixcraft]

Linux shell script add a user with a password - nixCraft

Explains various command line methods to add a new user and set/change a password using a shell script on Linux operating system in batch mode.

[nixcraft]

sed remove last character from each line on Linux / Unix - nixCraft

Explains how to remove/delete the last character from the line stored in a text file or shell variable using sed command on Linux/macOS/BSD and Unix-like OS

[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 ;) 

[nixcraft]

Decode the hidden message embedded in a redirect.

Command:

curl -A CLI -sD- bit\.ly/gevpxbegerng |awk -F/ '/^Location:/{print $NF}' |(base64 -di||base64 -Di)

[nixcraft]

How to add bash auto completion in CentOS 8 Linux - nixCraft

Explains how to add bash auto completion in CentOS 8 (CentOS Enterprise Linux) using the yum command so that one can use the programmable completion of bash

Learn how to add bash auto completion in CentOS 8 Linux and write your first  simple bash completion program