Secure copy protocol (SCP) is a command that enables efficient and secure file transfers between two systems over a network. It uses Secure Shell...
Business owners typically use pre-configured mail servers from third-party providers to host their mailing services. While they are sufficient for...
A Linux virtual private server (VPS) lets you add multiple users to simplify collaborative system management. However, users who have full access can...
Listing users in Linux is an essential system administration task, especially if multiple developers work on the same virtual private server (VPS)...
An operating system requires programs that run in the background called services. In a Linux system, these services are called daemons. They are...
Linux environment variables are key-value pairs defining your system’s shell session and program behavior. They let system administrators easily...
PostgreSQL is a popular open-source relational database management system (RDBMS) known for its scalability and efficiency in handling large amounts...
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...
The Linux ping command is a tool for diagnosing connectivity issues, monitoring network performance, and checking server availability. It is...