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copyleftdev

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copyleftdev

name: Mark stale pull requests in Shepherd repo

on:
  schedule:
  - cron: '0 0 * * 1'  # Runs every Monday at midnight

jobs:
  stale:
    runs-on: ubuntu-latest
    timeout-minutes: 5

copyleftdev

🚀 Ultimate Linux Terminal Tricks Cheatsheet

🧭 Navigation Ninja

Command	Description
cd -	🔙 Teleport to previous directory
pushd <dir>	📚 Change directory, save current to stack
popd	📚 Return to most recently pushed directory
cd ~	🏠 Go to home directory

copyleftdev

🔐 SSH Mastery: The Ultimate Guide

🌟 Basic SSH Commands

Command	Description
ssh user@hostname	🔌 Connect to a remote host
ssh -p 2222 user@hostname	🔢 Connect using a specific port
ssh -i ~/.ssh/id_rsa user@hostname	🔑 Connect using a specific identity file
exit or logout	👋 Terminate the SSH session

copyleftdev

🔗 Bash Command Chaining Mastery: The Ultimate Cheat Sheet

🔗 Basic Command Chaining

Operator	Description	Example
;	📊 Run commands sequentially	echo "Hello"; echo "World"
&&	✅ Run next command only if previous succeeds	mkdir dir && cd dir
||	❌ Run next command only if previous fails	ping -c1 google.com || echo "Offline"
|	🚿 Pipe output of one command to another	ls -l | grep ".txt"

copyleftdev

🚀 GNU Parallel Mastery: The Ultimate Cheat Sheet

📊 Basic Usage

Command	Description	Example
parallel echo ::: A B C	🔤 Process items in parallel	Output: A, B, C (in any order)
parallel echo {} ::: *.txt	🔍 Use {} as placeholder	Echoes names of all .txt files
cat file.txt | parallel echo	📥 Read input from stdin	Processes each line of file.txt
parallel -j4 command ::: item1 item2 item3	🔢 Limit to 4 jobs at a time	Runs 'command' on items, max 4 parallel

copyleftdev

📊 Log Analysis Mastery: The Ultimate Cheat Sheet

📜 Basic Log Viewing

Command	Description	Example
cat	📄 Display entire log file	cat /var/log/syslog
less	📃 View log file with pagination	less /var/log/auth.log
tail	🔚 View end of log file	tail /var/log/apache2/access.log
head	🔝 View beginning of log file	head /var/log/mysql/error.log

copyleftdev

🐧 Linux Penetration Testing with GNU Utils: The Ultimate Cheat Sheet

DISCLAIMER: This information is for educational purposes only. Always obtain proper authorization before performing any penetration testing activities. Unauthorized testing is illegal and unethical.

🔍 Information Gathering

Command	Description	Example
netstat	🌐 Network connections, routing tables, interface statistics	netstat -tuln
ss	🔌 Socket statistics	ss -tuln

copyleftdev

📜 The Ultimate Tail Command Guide

🚀 Basic Usage

Command	Description	Example
tail file.txt	📄 Display the last 10 lines of a file	tail /var/log/syslog
tail -n 20 file.txt	🔢 Display the last 20 lines of a file	tail -n 20 /var/log/auth.log
tail -c 100 file.txt	📏 Display the last 100 bytes of a file	tail -c 100 /etc/passwd