Category Archives: Computer Science

How to check MariaDB version

Posted on November 24, 2018 by Darren

“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

Posted on September 15, 2018 by Darren

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

Posted on May 9, 2018 by Darren

“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 →

Posted in Computer Science, Uncategorized | Tagged , , | 3 Comments

How To Install Tomcat on CentOS 7

Posted on February 14, 2018 by Darren

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 →

Posted in apache tomcat, CentOS, Computer Science, tomcat | Tagged , , , , | 3 Comments

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

Posted on January 19, 2018 by Darren

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 →

Posted in CentOS, Computer Science, learning, linux, Virtualization, VMWare | Tagged , , , , | Leave a comment

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

Posted on November 26, 2017 by Darren

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

Posted on October 22, 2017 by Darren

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 →

Posted in CentOS, Computer Science, learning, linux, programming, python, Uncategorized | 1 Comment

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

Posted on August 20, 2017 by Darren

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 →

Posted in CentOS, Computer Science, linux | 2 Comments

How To Install VMWare Tools On Kali Linux

Posted on July 9, 2017 by Darren

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 →

Posted in Computer Science, Hacking, Kali, linux, Virtualization, VMWare | Leave a comment

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

Posted on June 10, 2017 by Darren

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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