Cron Jobs Cheatsheet
4
A concise reference for understanding and managing cron jobs, including syntax, special characters, common pitfalls, and troubleshooting tips.
All topics
linux
19 articles
Migrating a Proxmox VM to Bare Metal: The Clean-Install-and-Restore Method
3
A safer alternative to disk cloning: back up a Proxmox VM, install Ubuntu fresh on bare metal, and restore your data and configuration on top.
Migrating a Proxmox VM to Bare Metal: The Disk-Clone Method
1
A step-by-step walkthrough of cloning a Proxmox VM's disk onto a USB drive and transplanting it onto physical hardware, including the pitfalls that trip people up.
Securing a Next.js Application in Production
2
Securing a Next.js app in production means protecting the client bundle, the server, and the data flow. This post shows how to lock down Content‑Secur
How Git Works
1
Git is a distributed version control system that allows multiple people to collaborate on a project while maintaining a complete history of all change
How to Check Disk Usage and Find Large Files on Linux
3
After setting up a new Linux server, you’ll want to know how to check what’s taking up space. Disk space is often the weakest link in system stability
Linux File Permissions Explained
2
A comprehensive guide to Linux file permissions — what they are, how the rwx model works, how to read and change permissions with chmod, chown and umask, plus special permissions like setuid, setgid and sticky bits.
Nmap: The Complete Linux Network Scanner Tutorial
3
A comprehensive Nmap tutorial for Linux, covering installation, target specification, host discovery, port scanning techniques, service and OS detection, the Nmap Scripting Engine, timing and performance, output formats, and practical examples from the official reference guide.
Securing Apache2 Web Server Against Attacks
0
This tutorial provides a step-by-step guide to securing your Apache2 web server against common vulnerabilities and attacks. Follow these best practice
Securing Nginx Web Server Against Attacks
2
This tutorial provides step-by-step guidance to harden your Nginx server against common vulnerabilities. Follow these best practices to secure your de
Linux Basics for Hackers - Cheat Sheet
2
A comprehensive Linux cheat sheet for hackers and security professionals, covering essential commands for navigation, permissions, networking, reconnaissance, system monitoring, and hacking tools — with runnable examples.
How to Create a Bootable System Backup in Linux Using `rsync`
4
How to create a complete bootable backup of your Linux system using rsync - safer and more flexible than dd for running systems.
Bash Scripting Cheatsheet
0
A comprehensive Bash scripting reference guide covering variables, loops, functions, conditionals, arrays, and more. Quick reference for all your shell scripting needs.
How to Secure SSH on Linux/Ubuntu
1
A complete step-by-step guide to hardening SSH on Linux/Ubuntu for improved security and reduced attack surface.
How to Clone Your System or Create a Backup Image in Linux Using `dd`
2
How to Clone Your System or Create a Backup Image in Linux Using `dd`.
