Linux sed command: How to use and practical examples
The Linux sed command lets you find, replace, insert, and delete lines in a file without opening it using a text editor. Suitable for piped input and...
NGINX vs. Apache: Which web server is better for performance and scalability?
When comparing NGINX vs. Apache, architecture plays the biggest role. Here’s how the two web servers differ in terms of architecture,...
How to install Docker on CentOS 9 Stream + Docker Compose
Many sysadmins use Docker in their work because of the advantages it provides when handling containers in Linux. Docker is used primarily for the...
Linux touch command: what it is + examples of how to use it to modify timestamps
People usually associate the touch command in Linux with creating files. However, like many other Linux commands, it offers much broader...
How to install PostgreSQL on Ubuntu and usage instructions for effective database management
PostgreSQL is a popular open-source relational database management system (RDBMS) known for its scalability and efficiency in handling large amounts...
How to install, configure, and secure Redis on Ubuntu
Redis is an in-memory database used to store data temporarily as a cache to reduce server load and improve application performance. It is also a...
How to install Jenkins on Ubuntu in 2026
Typically, software development presents its own set of challenges. One of them is ensuring that software is built, tested, and deployed in a timely...
How to use the Linux watch command
The Linux watch command is a powerful tool that runs user-defined commands at regular intervals and displays the output. It’s important for...
How to use the Linux ping command: main usage ways and tips
The Linux ping command is a tool for diagnosing connectivity issues, monitoring network performance, and checking server availability. It is...
How to set up passwordless SSH on Linux
Due to its reliability and security, the secure socket shell (SSH) is the most common way to interact with a remote server. However, using this...