CentOS 8 (EOL 2021) Migration to CentOS 8 Stream

It has been announced that CentOS 8 will be End Of Life in Q4, 2021.  It will be phased out in favor of the CentOS 8 Stream, which falls between the Fedora and RHEL distributions. Instead of CentOS builds after RHEL updates, the CentOS 8 will be the development track for RHEL.  With that in mind, there is a path...Read More »

CentOS 6 End Of Life Repositories

CentOS 6 finally came to end of life (“EOL”) as of November 30, 2020.  A rude awaking if you haven’t been paying attention and attempt a yum update to be presented with an error message.  CentOS does maintain a vault. There is a CentOS-Vault.repo that exists for earlier versions of CentOS 6, but with a few modifications, you can still…

Read More »

macOS: Useful Commands

The intent of this page is a quick reference of some interesting and useful commands.  The following commands had been tested against macOS versions 11.5.2+ . Serial Number ioreg -rd1 -c IOPlatformExpertDevice | awk -F'"' '/IOPlatformSerialNumber/{print $4}' Model Number sysctl -n hw.model | cut -d "," -f 1 | tr -d '[0-9]_' Current logged On User ls -l /dev/console |...Read More »

Windows: Useful Commands

The intent of this page is a quick reference of some interesting and useful PowerShell and other commands. dism Enable/disable telnet client through command line telnet isn't something that I use often, but when needed, here is the command.  After using telnet, it may be advisable to remove it.  Here are the two commands to add/remove telnet. dism /online /Enable-Feature...Read More »

NFL Pick ‘Em for 2020 Season Schedule

I had written a little clever script for last season that was supposed to work for every season until the end of time. Well, those hopes were crushed when the NFL changed their links to something that I cannot identify.  The following script is a culmination of four hours work, many edits and minor scripts to search and replace. There...Read More »

iDRAC 7 and Java 8 Connection Failed Easy Work-a-round

There is an older Dell PowerEdge ("PE") R720xd; it comes equipped with the Integrated Dell Remote Access Controller 7 ("iDRAC7") Enterprise. The iDRAC has recently been provided a network connection and upon any attempt at launching the console from the Virtual Console Preview, it quickly resulted in the Connection failed messages. This guide will demonstrate how to download and install...Read More »

Micropolis Game – SimCity OpenSource

Throughout the years, Maxis SimCity has evolved from version 1.x for DOS to Windows (2013).  Somewhere along the way, Maxis SimCity lost its way with SimCity (2013), but I won't hold that against them.  The go to version has always been the original SimCity for DOS. With programs like DOSBox, this game is still a capable game.  It has its...Read More »

Automated Scripted Install of WordPress on CentOS8/RHEL8 Linux

I have written a couple of installation scripts to install WordPress throughout the years.  This is the latest in that series to install WordPress 5 on a minimal install of CentOS8. Among the differences between this script and previous ones, is that this will be installed in it's own directory /wordpress rather than /. Basically, write the script as seen below,...Read More »

Install Atlassian Bitbucket on CentOS 8

Bitbucket is a web-based version control repository hosting service owned by Atlassian, for source code and development projects that use either Mercurial or Git revision control systems. This is one of several products in this arena along the likes of Gitlab and Github. This is one way to script out a quick installation on a minimal install of CentOS 8....Read More »

How to install Spacewalk on CentOS 7

There are many articles on this subject, but you need to read many articles to complete a successful Spacewalk installation.  There are fewer articles that tackle Spacewalk beyond the installation.  Hopefully, this will fill in some of those blanks. What it is. Spacewalk is an open source Linux systems management solution. Spacewalk is the upstream community project from which the...Read More »

CentOS 7 vs CentOS 8 differences

I have had several of my scripts break, that had worked on CentOS 6 and CentOS 7, when applying them to CentOS 8.  Here are a couple of examples and their fixes. curl A script inspired by 802.1x in Lion for Macbook Air needing AD domain authentication and a script on GitHub contained a line similar to the following. # curl...Read More »