Grep is a pattern-searching command of Linux. It is a much more intensive filter that has three members ‘grep’, ‘egrep’, and fgrep utility. Grep command searches in a file linewise and works on record level not by field type. it searches string or pattern in files and show output in… Continue Reading…

This article shows how we can know the operating system and kernel name, version, and other different information related to the system. An operating system ( OS ) is the backbone of every computer system. Operating is a part of the system software. It can be defined as a programming… Continue Reading…

Linux is an open source software program, as a result of open source you’ll be able to see all the programs and make modifications and share with others freely. It makes Linux Nice. Centos also be Linux-based distribution.CentOS stream operating system is stabilized by Red Hat to be future prepared… Continue Reading…

We have got many changes in CentOS Stream or RHEL Versions from old versions . One of the many changes  GRUB 2 version . Every Linux system administrator should know the reset the lost root password . Different method available to reset new root password by Live CD or edit… Continue Reading…

This post will show you the installation of Java through the automation tool Ansible. We will write a playbook to use roles or simple methods to install java on multiple managed host machines. Use different Linux flavors RPM-based distribution or Debian-based system. Here I am going to try the RPM-based… Continue Reading…

Kernel-based virtual machines have the option to provide an additional hard disk. In this post, we will describe how to add a hard disk on the host physical machine to the guest operating system. 1 – Create the additional disk There is two way to create additional storage, either we… Continue Reading…

Installation of AlmaLinux Operating System with Screenshots. AlmaLinux is the latest Free Linux-based Operating system. It is a community-driven open-source project built from the source code of Red Hat Enterprise Linux (RHEL). After the CentOS Linux died, AlmaLinux comes into play. This OS is an enterprise server Operating system and… Continue Reading…

In this post, We are deploying a container of MySQL that saves the data into a host folder. Here we will able to manage a persistent database with a shared volume. Step 1: Search official MySQL Docker Container Image Docker user search through subcommand and find available MySQL official images… Continue Reading…

Do you want to disable or enable ( enforcing ) SELinux mode on host machines through ansible-playbook? Here I am writing a playbook to change the mode of the SELinux type. SELinux is an important security feature of Linux. There is three value in SELinux, which is Enforcing, Permissive and… Continue Reading…

In this post discussing one special permission on the directory which is called a sticky bit. This special permission effect on the directory is users with write access can be removed or renamed .which is owned by their owners. the user cannot remove or force save the files owned by… Continue Reading…