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How to Upgrade CentOS 7 to CentOS 8 Linux

The post How to Upgrade CentOS 7 to CentOS 8 Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
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 upgrad…

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How to Install Java 17 on RHEL-based Linux Distributions

The post How to Install Java 17 on RHEL-based Linux Distributions first appeared on Tecmint: Linux Howtos, Tutorials & Guides .Java is a secure, stable, and well-known, general-purpose programming language and computing technology platform with many in…

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| by Scott Kilroy

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

The post How to Secure Apache with Let’s Encrypt SSL Certificate on CentOS 8 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .Securing your web server is always one of the key factors that you should consider before going live with your web…

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| by Scott Kilroy

How to Migrate from CentOS 8 to Rocky Linux 8

The post How to Migrate from CentOS 8 to Rocky Linux 8 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .Rocky Linux 8.4, codenamed Green Obsidian, is finally here! It was released on June 21, 2021, barely two months after the release of Roc…

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| by Scott Kilroy

How to Migrate from CentOS to Oracle Linux

The post How to Migrate from CentOS to Oracle Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .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 b…

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| by Scott Kilroy

How to Migrate from CentOS 8 to AlmaLinux 8.5

The post How to Migrate from CentOS 8 to AlmaLinux 8.5 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
In our earlier guide, we walked you through the installation of AlmaLinux. If you have CentOS 8 installed, an automated migration scrip…

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How to Install Latest LAMP Stack in RHEL-based Distributions

The post How to Install Latest LAMP Stack in RHEL-based Distributions first appeared on Tecmint: Linux Howtos, Tutorials & Guides .If you are a system administrator, a developer, or a DevOps engineer, chances are that at some point you’ve had to set up…

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How to Install PostgreSQL and pgAdmin in CentOS 8

The post How to Install PostgreSQL and pgAdmin in CentOS 8 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
PostgreSQL is a powerful, widely-used, open-source, multi-platform, and advanced object-relational database system known for its pr…

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How to Configure FirewallD in RHEL, CentOS and Fedora

The post How to Configure FirewallD in RHEL, CentOS and Fedora first appeared on Tecmint: Linux Howtos, Tutorials & Guides .Net-filter as we all know it’s a firewall in Linux. Firewalld is a dynamic daemon to manage firewalls with support for net…

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

The post How to Install CHEF Workstation in RHEL and CentOS 8/7 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .Chef is one of the popular configuration management tools, which is used to rapidly automate deployment, configurations, and ma…

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How to Install Terraform in Linux Distributions

The post How to Install Terraform in Linux Distributions first appeared on Tecmint: Linux Howtos, Tutorials & Guides .In this article, we will discuss what Terraform is and how to install terraform on various Linux distributions using HashiCorp reposit…

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How to Speed Up Nginx with Varnish Cache on CentOS 7

The post How to Speed Up Nginx with Varnish Cache on CentOS 7 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
Varnish Cache (also referred to as Varnish) is an open-source, high-performance HTTP accelerator designed for speeding up web se…

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How to Speed Up Apache with Varnish Cache on CentOS 7

The post How to Speed Up Apache with Varnish Cache on CentOS 7 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
Varnish Cache (commonly known as Varnish), is an open-source, popular reverse-proxy HTTP accelerator intended for speeding up w…

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What is Automation and Configuration Management with CHEF – Part 1

The post What is Automation and Configuration Management with CHEF – Part 1 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .
Let’s take a simple scenario, you have 10 redhat servers where you have to create a ‘tecmint’ user in …

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How To Prevent PHP-FPM From Consuming Too Much RAM in Linux

The post How To Prevent PHP-FPM From Consuming Too Much RAM in Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .If you have deployed a LEMP (Linux, NGINX, MySQL/MariaDB, and PHP) stack, then you are probably using FastCGI proxying wit…

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How to Install and Configure Hive with High Availability – Part 7

The post How to Install and Configure Hive with High Availability – Part 7 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .Hive is a Data Warehouse model in Hadoop Eco-System. It can perform as an ETL tool on top of Hadoop. Enabling High A…

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How to Co-author Documents in Linux with ONLYOFFICE Docs

Document collaboration as the practice of multiple people working simultaneously on a single document is really important in today’s technologically advanced age. Using document collaboration tools, users can view, edit, and work simultaneously o…

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| by Scott Kilroy

How to Create a KVM Virtual Machine Template

A virtual machine template is essentially a copy of the installed virtual machine that comes in handy when you want to deploy multiple instances of virtual machines. Creating a template is a 3 step
The post How to Create a KVM Virtual Machine Template …

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How to Set Up High Availability for Resource Manager – Part 6

YARN is the Processing Layer of Hadoop, which consists of the Master (Resource Manager) and Slave (Node Manager) services to process the data. Resource Manager (RM) is the critical component that is responsible for
The post How to Set Up High Availabil…

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How to Manage Virtual Machines in KVM Using Virt-Manager

The virt-manager application provides an easy-to-use interface that allows users to perform a wide range of tasks including creating guest machines and assigning critical virtual resources such as CPU, memory, and disk space. Users
The post How to Mana…

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