Git is a version-control system, which is used for tracking updates in computer files. Additionally, it may be used for collaborating work on files among a group of people. This article will provide the reader with a step by step information on how to install Git on RHEL 8 / CentOS 8.

In this tutorial you will learn:
  • How to install Git from a standard RHEL 8 / CentOS 8 repository.
  • How to compile and install Git from source code.
  • How to check Git version.

SNMP (Simple Network Management Protocol) is widely used for monitoring and central management purposes. In this tutorial we will install the snmpd service to a RHEL 8 / CentOS 8 machine, enable autostart, and after starting the service, we will test the functioning service with snmpwalk running the default settings.

In this tutorial you will learn:
  • How to install snmp service
  • How to start and enable the service with systemd
  • How to open udp port 161 for remote access
  • How to test the service with snmpwalk from localhost and remove machine

Perl is a well-known programming language with long development history. The same long history provides the countless modules written in it, and distributed in various channels throughout the World Wide Web. As with most programming languages, if you implement something that you find useful, and maybe write it in a generic way, there are high chances others would find it useful too.

If you share your work with others, they don't need to re-implement the wheel, they can spend time on other tools, thus making the community as a whole richer, and we have found the spirit of open source with a short walk. But as many people write perl modules, and perl runs on just about anything, it can be hard to find the module you are looking for, let alone build it in your environment. And that's where cpan comes into play. CPAN itself is a large perl module repository, the cpan tool is a client that is able to fetch and compile needed modules to the local system.

In this tutorial we'll install cpan on a RHEL 8 / CentOS 8, run the initial configuration, and install a module with this tool's help.

In this tutorial you will learn:
  • How to install cpan
  • How to run initial configuration
  • How to install a perl module with cpan

MongoDB is a document database, storing data in JSON-like form, which is revolutionary approach in the contrast of traditional relational databases. This does not mean that SQL databases will die out anytime soon; they will be here for a long time when you need to store structured data.

That being said, MongoDB gets more and more use cases; the ability to store data in a form that can change on the fly are things that must be counted with.

In this tutorial we will install the latest community release of this NoSQL database to a RHEL 8 / CentOS 8, using the tarball package. For this to work smoothly we'll set up the minimal environment, and test our configuration and running service.

In this tutorial you will learn:
  • How to download & extract MongoDB tarball
  • How to set up environment for the service
  • How to manage mongod service
  • How to login to mongo shell, insert and query sample data

This article will describe how to install the open source communication software Asterisk on RHEL 8 / CentOS 8; due to the fact that Asterisk and other important dependencies are not available as RPM packages from the repositories, it is needed to compile them from sources.

In this tutorial you will learn:
  • Which are the pre-requisites to install Asterisk
  • How to compile Asterisk from sources
  • How to start Asterisk
  • How to reconfigure or remove Asterisk
  • How to access Asterisk command line interface

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