How to Check Ports in Linux Using /dev/tcp and /dev/udp (Without Telnet or Netcat)
Checking if a port is open on a remote server is a common task for system administrators. Although tools like telnet or netcat (nc) are often used for this purpose, …
Creating Interactive Scripts in Linux: Using Dialog or Whiptail
In the world of system administration, it is common to encounter the need to automate tasks through shell scripts. However, sometimes we need to make these scripts interactive to facilitate …
Partition and Disk Encryption with LUKS on Linux
Welcome to the fascinating world of partition and disk encryption on Linux using LUKS (Linux Unified Key Setup). In this chapter, we will explore in detail how to use LUKS …
Create SOCKS Proxy with Dante and OpenSSH
How to Create a SOCKS Proxy with Dante on Ubuntu In the digital era, maintaining online privacy and security is more crucial than ever. One way to protect your identity …
Commands you should not run in Linux
In the vast world of Linux, the terminal is a powerful tool that grants users unprecedented control over their systems. However, with great power comes great responsibility. There are certain …
Performance Testing in Linux with UnixBench
For Linux enthusiasts, conducting performance tests is key to getting the most out of their systems. UnixBench is an essential tool in this process, offering a detailed analysis of the …
The hdparm Utility: Tune Your Disk
Do you want to get the most out of your hard drive or SSD? hdparm is your tool. Developed by Mark Lord in 2005, this Linux utility allows you to …
How to Create a Redis Cluster: Step-by-Step Guide
Hello! If you’re here, you’re probably looking to learn how to set up a Redis cluster. We’ll go step by step, explaining each detail so you can implement it without …
How to Set Up an NFS Server: Step-by-Step Guide for Ubuntu, Debian, and Red Hat-Based Distributions
The Network File System, or NFS as it’s commonly known, is an essential tool that lets you share files and directories between servers and clients on a network. It’s one …
10 Common Linux Problems and How to Solve Them
If you’re immersed in the Linux world or just considering taking the plunge, you’ve probably wondered: what issues might I encounter and how do I solve them? Well, don’t fret, …