How to start GUI on CentOS/AlmaLinux/Rocky Linux 8
Typically Linux servers don’t provide Graphical User Interface (GUI) as it adds up in RAM & CPU usage. Administrators prefer...
Linux
Find which package the command belongs to in CentOS
Question: I generally use rpm -qa | grep command to find which package the command belongs to. However, the grepped...How to fix Unable to find a match: policycoreutils-python on RHEL/CentOS 8
While I was trying to install GitLab on CentOS 8, encountered the below error: Unable to find a match: policycoreutils-python....System-wide Crypto Policies in CentOS 8 [Explained]
Can we assume that people who set up systems or software are experts in their field and they do understand...How to fix Windows could not parse or process the unattend answer file for Pass Specialize
After successfully creating Windows Image for OpenStack, uploaded the Windows 10 QCOW2 image on my OpenStack setup and created an...How to Create Windows image for OpenStack
I was assigned a task to create Windows image for OpenStack unlike most Linux distros, it is not possible to...Virtual Machines menu missing in Cockpit Interface? [Fix]
Virtual Machines menu missing in the Cockpit interface? This article will help you to fix the issue. Recently, I started...How to Install KVM on CentOS 8 Linux
This tutorial is a step-by-step guide to install KVM on CentOS 8 / CentOS 7 Linux. KVM (Kernel-based Virtual Machine)...Disable Weak Key Exchange Algorithm, CBC Mode in SSH
Nessus vulnerability scanner reported – SSH Weak Key Exchange Algorithms Enabled and SSH Server CBC Mode Ciphers Enabled. The detailed...Install Certbot Apache plugin in CentOS Stream 8
Question: I had followed your guide to install Certbot in CentOS Stream 8. However, the certbot --apache command fails with...Migrate CentOS 8 to Rocky Linux
Earlier I had written about CentOS 8 error: Failed to download metadata for repo “AppStream” and followed by converting CentOS...How to install Ansible on CentOS 8 Linux
Ansible is an open-source IT automation tool used to automate configuration management, provisioning, application deployment, orchestration, and many other IT...How to install Apache/httpd on CentOS 8 Linux
In this guide, you will learn to install Apache (most widely used webserver) on CentOS 8 Linux server. How to...How to upgrade git to latest version on CentOS
I’m running git v1.8 on my CentOS 7.8 machine. I would like to upgrade git to the latest version. The...Public Key Retrieval is not allowed – WSO2 MySQL Error
I have been using WSO2 API Manager for almost a year to easily and securely expose APIs to both internal...Error using GRANT with IDENTIFIED by password in MySQL
Question: I have been using IDENTIFIED BY ‘password’ along with GRANT statement for years in many MySQL versions. However, the...Firewalld fails to start on CentOS 8 with a DBusException
After upgrading my CentOS 7 to CentOS 8, when tried to start the firewalld service, encountered the error: Exception DBusException:...How to disable firewall on CentOS 8 Linux
This tutorial will help you to learn how to disable firewall on CentOS 8 and many other service activities like:...How to install PHP 8 on CentOS 8 Linux
This tutorial will explain how to install PHP 8 on CentOS 8 Linux and its dependent packages. Step 1: Enableremi-release-8.rpm...Open HTTP 80 and HTTPS 443 ports in firewalld on CentOS 8
Do you want to open ports HTTP and HTTPS in firewalld? In this tutorial, I will explain how to open...