What are Bash variables and how to use them effectively
Bash variables are named storage units that hold data values for reference and manipulation within the Linux command line environment. In shell...
What Is Crontab Syntax: Understanding Crontab on Linux + Helpful Examples
Automation is one of the key aspects of any system, whether a physical or virtual private server (VPS). If automation is set up correctly, it can save...
How to configure Fail2Ban to secure your Linux server
Fail2Ban is an open-source intrusion prevention tool that scans server log files and bans IP addresses after repeated failed login attempts.It’s...
The Linux File Command: How to Use It to Determine a File Type
In UNIX-like systems, file names can be entirely different from their actual types. In some cases, they don’t even have valid extensions....
How to use the Linux time command: all you need to know
Whether you’re a system administrator or a virtual server hosting (VPS) user, learning various Linux commands will help you execute tasks more...
Cron job explained: Syntax, scheduling, and best use cases
A cron job is a time-based scheduler in Unix-like operating systems, such as Linux and macOS. It automates repetitive tasks like backups, system...
Bash Scripting Tutorial for Beginners
If you’ve ever used a Linux operating system, for example, a Linux-based VPS, you may have heard of bash. It’s a Unix shell that reads and...
Iptables tutorial: securing VPS with Linux firewall
Iptables is a Linux firewall tool that lets you control which traffic reaches your VPS by configuring rules for allowing, blocking, forwarding, and...
17 Essential SSH Commands to Know + Free Cheat Sheet
Secure Shell (SSH) is a powerful tool used to access and manage remote servers securely. Whether you’re a beginner or an experienced user,...