Tag: CentOS Tips

How to Upgrade CentOS 7 to CentOS 8 Linux

In this article, you will learn how to upgrade CentOS 7 to CentOS 8.5 release. The steps described herein do not depict the official upgrade and this should not be applied to a production server

How to Install Java 17 on RHEL-based Linux Distributions

Java is a secure, stable, and well-known, general-purpose programming language and computing technology platform with many interconnected capabilities. To run Java-based applications, you must have Java installed on your server. You mostly need the Java

How to Secure Apache with Let’s Encrypt SSL Certificate on CentOS 8

Securing your web server is always one of the key factors that you should consider before going live with your website. A security certificate is critical for securing traffic sent from web browsers to web

How to Migrate from CentOS 8 to Rocky Linux 8

Rocky Linux 8.4, codenamed Green Obsidian, is finally here! It was released on June 21, 2021, barely two months after the release of Rocky Linux 8.3 RC1 (Release Candidate 1) which is a beta version

How to Migrate from CentOS to Oracle Linux

With the shift in focus from CentOS project to CentOS Stream which will now serve as the upstream to RHEL, a few CentOS alternatives have been floated to replace CentOS 8. For while now CentOS

How to Migrate from CentOS 8 to AlmaLinux 8.4

In our earlier guide, we walked you through the installation of AlmaLinux 8.4. If you have CentOS 8 installed, an automated migration script is available to help you migrate seamlessly to the latest version of

How to Enable Remi Repository to Install Latest LAMP Stack

If you are a system administrator, a developer, or a DevOps engineer, chances are that at some point you’ve had to set up (or work with) a LAMP (Linux / Apache / MySQL or MariaDB

How to Install PostgreSQL and pgAdmin in CentOS 8

PostgreSQL is a powerful, widely-used, open-source, multi-platform, and advanced object-relational database system known for its proven architecture, reliability, data integrity, robust feature set, and extensibility. pgAdmin is an advanced, open-source, full-featured, and web-based administration and

How to Configure FirewallD in RHEL, CentOS and Fedora

Net-filter as we all know it’s a firewall in Linux. Firewalld is a dynamic daemon to manage firewalls with support for network zones. In the earlier version, RHEL & CentOS 6 we have been using

How to Install CHEF Workstation in RHEL and CentOS 8/7

Chef is one of the popular configuration management tools, which is used to rapidly automate deployment, configurations, and management of the entire IT infrastructure environment. In the first part of this Chef series, we’ve explained