Category Archives: Computer Science

How to check MariaDB version

“MariaDB is a community-developed fork of the MySQL relational database management system intended to remain free under the GNU GPL. Development is led by some of the original developers of MySQL, who forked it due to concerns over its acquisition … Continue reading

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How to Run Wildfly on CentOS 7

WildFly, formerly known as JBoss AS, or simply JBoss, is an application server authored by JBoss, now developed by Red Hat. WildFly is written in Java and implements the Java Platform, Enterprise Edition (Java EE) specification. It runs on multiple … Continue reading

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How to Install Wildfly on windows

“WildFly  formerly known as JBoss AS, or simply JBoss, is an application server authored by JBoss, now developed by Red Hat. WildFly is written in Java and implements the Java Platform, Enterprise Edition (Java EE) specification. It runs on multiple … Continue reading

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How To Install Tomcat on CentOS 7

Hi there, This short tutorial will show you how to install Tomcat 7 on CentOS 7. “The Apache Tomcat® software is an open source implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies.” The steps that … Continue reading

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How to reset the root password on CentOS 7 / Redhat 7 (RHEL 7)

This tutorial will show you how to reset the root password on CentOs 7 / Redhat 7. As a health warning please be sure that when doing this you have taken a snapshot of your VM or if it’s a … Continue reading

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How to Connect To Linux (CentOs 7) Using SSH Keys (Password free authentication) from Windows

This video shows how to log into a CentOs 7 server from a Windows machine using SSH keys. The video will show you how to generate the keys using Putty and then how to configure your CentOS 7 Server to … Continue reading

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How To Install Python 3 on CentOS 7

Subscribe to Darrenoneill.eu to get a free Linux Cheat Sheet!  This tutorial shows you how to install Python 3, set up a local programming environment and create your first python program. The commands that you need to follow along with … Continue reading

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How to create virtual hosts on Apache (httpd) on CentOs 7

Using virtual hosts on Apache allows you to host multiple websites on one server. In order for virtual hosts to function correctly you will need to insure that you have DNS set up correctly for your sites. If you are … Continue reading

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How To Install VMWare Tools On Kali Linux

To Install VMware tools on Kali Linux you first need to update and upgrade the system by running the two following commands:   apt-get update apt-get upgrade Once these two commands have run you then need to reboot the system … Continue reading

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SOLVED: ERROR 1071 (42000): Specified key was too long; max key length is 767 bytes

This video shows how to correct the error:   ERROR 1071 (42000): Specified key was too long; max key length is 767 bytes   The commands that you will need to run to correct the error are:   SET GLOBAL … Continue reading

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