How to use the telnet command in Linux
Telnet (short for teletype network) is a command-line tool that facilitates remote communication and network testing. It was widely used for managing...
How to use the Linux ls command
The ls command lists files and directories in Linux and Unix-like operating systems. It is an essential tool for navigating and managing files which...
Python’s for loop: usage with examples
For loop sequences are a fundamental tool in Python that enable efficient iteration, whether it’s processing data or automating repetitive...
How to install Suricata on Ubuntu to secure your network
Intrusion Detection System (IDS) and Intrusion Prevention System (IPS) help prevent cyber criminals from infiltrating your server. These network...
25+ Best IT Tools for Professionals to Consider in 2025
IT professionals play a vital role in ensuring smooth business operations. With the growing reliance on technology, the demand for the best IT tools...
How to Configure Your Ubuntu Firewall with UFW and Set Firewall Rules
When configured improperly, your Linux virtual private server (VPS) is vulnerable to cyber attacks. Even if your hosting provider installs robust...
tmux Config: Understanding the Configuration File + Customization Examples
tmux is a popular terminal multiplexer that lets you run multiple sessions inside a single window. What is more, users can easily switch between these...
SSH connection refused: what it is, causes, and 6 effective methods to fix it
When using an SSH (Secure Shell) protocol to access a remote server, you may encounter an SSH “Connection refused” error message. It is a common...
What Is New Relic, How It Works, and Why Use It for Infrastructure Monitoring
If you own any web application or a site, it is crucial to keep its load time optimal. A slow web page can leave customers unsatisfied, negatively...