How to use PuTTY to access your server
SSH, or Secure Shell, is a secure protocol for connecting to a remote server. To establish an SSH connection, you will need an SSH client app like...
How to list users in Linux: Commands, tools, and automation tips
To list users in Linux, the most common method is to read the /etc/passwd file, which stores essential information about every account on the...
How to use Linux list services to effectively manage running services
An operating system requires programs that run in the background called services. In a Linux system, these services are called daemons. They are...
How to edit the sudoers file to obtain and manage root privileges
The sudoers file is a critical configuration file in Linux and Unix-like operating systems that controls user privileges. It defines who can execute...
How to use the Linux tee command with useful examples
Navigating Linux commands can be intimidating, but the more you learn, the easier it gets. The Linux tee command is a versatile tool that streamlines...
How to set and list Linux environment variables
Linux environment variables are key-value pairs defining your system’s shell session and program behavior. They let system administrators easily...
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...
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 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...