Linux Tips & Nuggets

Command List

Command	Description
visudo	Run CMD as sudo without PW
realpath	Provides Absolute Path

---

Usage

1. visudo

sudo visudo

#At EOL, add:
userName ALL=(targetUser) NOPASSWD: /home/userName/sh/myScript.sh

Parameters

• userName: user who will run the command
• targetUser: user as whom the command should run (e.g., root)

For security:

sudo chown root:root /home/userName/sh/myScript.sh
sudo chmod 700 /home/userName/sh/myScript.sh

2. realpath

realpath ~/Documents/ # gives absolute path

3. fzf

# Add function as alias to ~/.zshrc or ~/.bashrc avoid loop
fz(){
  vi "$(fzf)"
}

source ~/.zshrc