The tee command reads from the standard input and writes to both standard output and one or more files at the same time. tee is mostly used in combination with other commands through piping. In this tutorial, we’ll cover the Read More …
Umask Command in Linux
On Linux and Unix operating systems, all new files are created with a default set of permissions. The umask utility allows you to view or to set the file mode creation mask, which determines the permissions bits for newly created Read More …
Pstree Command in Linux
When working on a Linux machine, sometimes you might need to find out what processes are currently running. There are number of commands that you can use to find information about the running processes, with ps and top being the Read More …
How to Create Directories in Linux (mkdir Command)
In Linux systems, you can create new directories either from the command line or with the help of your desktop’s file manager. The command that allows you to create directories (also known as folders) is mkdir. This tutorial covers the Read More …
Less Command in Linux
Less is a command line utility that displays the contents of a file or a command output, one page at a time. It is similar to more, but has more advanced features and allows you to navigate both forward and Read More …
How to Kill a Process in Linux
Have you ever faced the situation where you launched an application, and suddenly while you are using the app, it becomes unresponsive and unexpectedly crashes? You try to start the application again, but nothing happens because the original application process Read More …
ls Command in Linux (List Files and Directories)
The ls command is one of the basic commands that any Linux user should know. It is used to list information about files and directories within the file system. The ls utility is a part of the GNU core utilities Read More …
Install and Configure Ansible on RHEL 8 / CentOS 8
Ansible is the leading Open Source configuration management system. It makes it easy for administrators and operations teams to control thousands of servers from central machine without installing agents on them. Ansible is the simplest to use and manage when Read More …
Install Puppet On CentOS 8 / RHEL 8
Puppet is an open-source configuration management tool that helps us to automate IT infrastructure, including provisioning, configuration management, patching of hundreds of client systems from the central location. Puppet is available for Linux, Mac, BSD, Solaris, and Windows operating systems. Read More …
How To Configure DNS (BIND) Server On CentOS 8 / RHEL 8
The Domain Name System (DNS) is a hierarchical distributed naming system for computers, services, or any resource connected to the internet or a private network. It associates various information with domain names assigned to each of the participating entities. It Read More …