CentOS 8 to CentOS Stream — Options

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CentOS Options

With the recent announcement by CentOS 8 regarding the switch from CentOS 8 to CentOS Stream, this commonly used Linux distribution is being relegated to a mid-stage development version of RHEL. In essence, CentOS 8 becomes an early rolling-release distro for RHEL. As CentOS moves from being a follow-up distribution to the stable version of RedHat, to be, in effect, a prerelease version of RHEL, many users are looking for alternatives to replace their current operating systems with a long-term stable platform apart from RHEL and IBM who owns RedHat. 

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How to Install MongoDB on CentOS 8

Reading Time: 9 minutes

What is MongoDB?

mongodb logo

MongoDB is a documented database management system that does not require the description of a table scheme. It is representative of a NoSQL based system (NoSQL is an approach to implement a scalable database storage system within a flexible data model), which uses JSON like documents and database schemas often used in web development. It is written in C, C++, JavaScript, and since it is cross-platform, it allows one to deploy it on any platform.

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How to Install MongoDB on Ubuntu 18.04

Reading Time: 7 minutes

What is MongoDB?

mongodb logo

MongoDB is a documented database management system that does not require the description of the table scheme. It is an example of NoSQL systems (NoSQL – this is an approach to implement scalable db storage with a flexible data model), MongoDB uses JSON like documents and a database scheme. It is often used in web-development along with Big data. MongoDB is written in C++, C, and JavaScript. It is also cross-platform, which lets us deploy it on multiple platforms.  

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How to Install MongoDB on CentOS 7

Reading Time: 3 minutes

MongoDB is a NoSQL database intended for storing large amounts of data in document-oriented storage with dynamic schemas. NoSQL refers to a database with a data model other than the tabular format used in relational databases such as MySQL, PostgreSQL, and Microsoft SQL. MongoDB features include: full index support, replication, high availability, and auto-sharding.

Preflight Check

  • A Liquid Web Core Managed CentOS 7 node.
  • We are logged in as the root user.
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What is Systemctl? An In-Depth Overview

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systemctl.073020

What is Systemctl? 

The systemctl command is a utility which is responsible for examining and controlling the systemd system and service manager. It is a collection of system management libraries, utilities and daemons which function as a successor to the System V init daemon. The new systemctl commands have proven quite useful in managing a servers services. It provides detailed information about specific systemd services, and others that have server-wide utilization.

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Change a Password for PostgreSQL on Linux via Command Line

Reading Time: < 1 minutePostgreSQL supports many client authentication methods, but in this case we’re only going to concern ourselves with two: password and md5.
Note: The default authentication method for PostgreSQL is ident. If you’d like to change the PostgreSQL authentication method from ident to md5, then visit the linked tutorial!
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How to Install Tomcat 9 on CentOS 8

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What is Tomcat?

In this article, we will be demonstrating how to install Apache Tomcat on CentOS 8. Before we begin, let’s define exactly what Apache Tomcat is. Apache defines Tomcat as: “An open-source, servlet container, JavaServer Pages, Java Expression Language, and WebSocket technology that also acts as a web server. It affords a “pure Java” based HTTP server environment in which Java can be executed.” Tomcat works with the Java programming language and is associated with web applications written in Java.

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How to Start and Enable Firewalld on CentOS 7

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In this article, we discuss how to start and enable firewalld. It is highly recommended that you have a firewall protecting your server.
Pre-Flight Check
  • These instructions are intended specifically for enabling and starting Firewalld CentOS 7.
  • I’ll be working from a Liquid Web Self Managed CentOS 7 VPS server, and I’ll be logged in as root.
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How to Install Apache Tomcat 9 on Ubuntu 18.04

Reading Time: 3 minutes

Apache Tomcat is an accessible, open-source application server used to house many of today applications. It’s free, stable, lightweight and is utilized to render Java coding as well a range of other applications.

Today we will be focusing on how to install Apache Tomcat 9 on our Liquid Web Ubuntu server, specifically Ubuntu 18.04 LTS.

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An Introduction to Managing a Linux Server with systemd

Reading Time: 2 minutesSystemd is an init system used by several common Linux Distributions which has gained popularity since 2015. A Linux init system is the first process or daemon started on a system after the initial boot process, and manages services, daemons, and other system processes. Systemd is composed of unit files that contain the initialization instructions for the daemons which it controls. While many portions of a system can be managed with systemd, this article will focus on managing services. Continue reading “An Introduction to Managing a Linux Server with systemd”