Tag Archives: linux

Software Defined Networking (SDN) – Architecture and role of Openflow

Zabihah Halal Vitamins
Software Defined Networking (SDN) – Architecture and role of Openflow
In our previous article, we had a good overview of SDN as a technology, why it’s needed, and how IT industry is adopting it. Now, let’s get a layer deeper, and understand SDN’s architecture and the role of the Openflow protocol in the implementation of the technology.

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Linux cksum command explained for beginners (with examples)

Zabihah Halal Vitamins
Linux cksum command explained for beginners (with examples)
In Linux, there’s a command line tool that you can use to create/verify checksum. It’s dubbed cksum. Most vendors offer a checksum (or a checksum-like code) corresponding to the file(s) being downloaded. If the file doesn’t behave in an expected way, user’s can recompute the file’s checksum and compare it with the original checksum provided by the vendor to see if the file is intact or got corrupted.

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Linux clear command tutorial for beginners (3 examples)

Zabihah Halal Vitamins
Linux clear command tutorial for beginners (3 examples)
Sometimes, while working on the command line, you arrive at a point where there’s too much text on the terminal screen, and none of that is relevant to you. So, in order to avoid distraction, you’d want to clear the terminal screen. Those new to the Linux command line may not know that there exists a dedicated command line utility that does this work for you.

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The Perfect Server – Debian 9 (Stretch) with Apache, BIND, Dovecot, PureFTPD and ISPConfig 3.1

Zabihah Halal Vitamins
The Perfect Server – Debian 9 (Stretch) with Apache, BIND, Dovecot, PureFTPD and ISPConfig 3.1
This tutorial shows how to prepare a Debian 9 server (with Apache2, BIND, Dovecot) for the installation of ISPConfig 3.1. The web hosting control panel ISPConfig 3 allows you to configure the following services through a web browser: Apache web server, Postfix mail server, Dovecot IMAP/POP3 server, MySQL, BIND nameserver, PureFTPd, SpamAssassin, ClamAV, and many more.

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How to install a Debian 9 (Stretch) Minimal Server

Zabihah Halal Vitamins
How to install a Debian 9 (Stretch) Minimal Server
This tutorial shows how to install a Debian 9 (Stretch) minimal server in detail with many screenshots. The purpose of this guide is to provide a minimal setup that can be used as basis for our other Debian 9 tutorials here at howtoforge.com.

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Linux Chgrp Command for Beginners (5 Examples)

Zabihah Halal Vitamins
Linux Chgrp Command for Beginners (5 Examples)
Here at HowtoForge, we recently discussed the chown command which lets users change the owner as well as group of file (or a directory) in Linux. But did you know there exists a dedicated command line utility that you can use when it comes to changing group-related information? The tool in question is chgrp, and in this tutorial, we will be discussing this tool using easy to understand examples.

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Samba 4 with Active Directory on CentOS 7 rpm based installation with share support

Zabihah Halal Vitamins
Samba 4 with Active Directory on CentOS 7 rpm based installation with share support
This tutorial shows how to install Samba 4 with Active Directory support on CentOS 7 with precompiled packages from Wing repository and SELinux enabled.

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How to configure MySQL Multi-Master Replication on Oracle Linux

Zabihah Halal Vitamins
How to configure MySQL Multi-Master Replication on Oracle Linux
This tutorial explains how to setup and configure MySQL multi-master replication on Oracle Linux. Please note that even though the configuration is made under Oracle Linux, yet the steps and configuration are mainly the same to CentOS and Red Hat Linux.

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Linux Chown Command Tutorial for Beginners (7 Examples)

Zabihah Halal Vitamins
Linux Chown Command Tutorial for Beginners (7 Examples)
In Linux, there may be times when you might want to change the owner and group-related information for a file or directory. If you are a command line newbie, and want to know how you can make such changes through the command line, you’ll be glad to know that there exists a command – dubbed chown – that lets you do this.

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