🛡️ Protect Your Ubuntu Server with Fail2Ban: Step-by-Step Guide

3 months ago

Securing your Linux server is a critical task for every sysadmin. One of the simplest yet most effective ways to…

📡 Getting Started with tcpdump: A Beginner’s Guide for Linux Sysadmins

3 months ago

As a Linux system administrator, understanding what happens on your network is crucial. One of the most powerful tools to…

MegaCLI Cheat Sheet

6 months ago

MegaCLI: useful commands Here are some useful commands: View information about the RAID adapter For checking the firmware version, battery…

Using the 3-2-1 Backup Rule to Design Your Backup Strategy

7 months ago

The 3-2-1 is a foundational backup strategy that has been upheld as a best practice for decades. Read on to…

How to Install Grub Customizer on Ubuntu 24.04, 22.04 or 20.04

7 months ago

Grub Customizer is a powerful graphical tool for managing and configuring the GRUB bootloader. It provides an easy-to-use interface for…

Tmux Cheat Sheet

7 months ago

Sessions $ tmux $ tmux new $ tmux new-session : new Start a new session $ tmux new-session -A -s mysession Start a new session…

How to Blacklist and Whitelist Email or Domain in Zimbra 8

10 months ago

How to Blacklist and Whitelist Email or Domain in Zimbra 8, in the previous article discussed How to Block Email…

Generate Let’s Encrypt Certificate with DNS Challenge

11 months ago

Step 1 — Install Let’s Encrypt Certbot Let’s Encrypt provides CLI namely Certbot to generate the certificate sudo apt install certbot Step…

Ghost Spectre Windows 11 24H2 | What Is It & How to Download

11 months ago

What are the main features of Ghost Spectre Windows 11 24H2? How to download Ghost Spectre Windows 11 24H2? How…

Introducing Carbonio Community Edition

12 months ago

Carbonio Community Edition (Carbonio CE) is a free and open-source (FOSS) email and collaboration platform designed by Zextras. It serves…

This website uses cookies.