Show and Tell

DNF Automatic with healthchecks.io Integration

I've started getting lazier and lazier when it comes to doing SysAdmin work, but don't misunderstand me here.  That just means I want to automate myself out of the picture (mostly) and just get alerts if things aren't quite right. One particular workflow I'd like to automate is patching my

HowTos

Using FFMPEG and V4l2 Loopback to Play YouTube Videos as a WebCam

With the increased amount of video conferencing going on, I decided to dust off an old trick to 'spice' things up during the many video calls I am on. Things You Need * Linux : I'm using Pop_OS 20.04 for this one. * maybe other OSes too...but I'm too lazy

Show and Tell

Using Home Assistant, Node-RED, and iOS Shortcuts to Toggle Pi-hole

This show-and-tell post is a little different than my last few.  It didn't start with a 'I wonder if I can do X' but instead a 'UGH! I'm sick of having to disable the ad blocker every time my wife shops online'. I knew automating this definitely could be done,

Show and Tell

Porkymin Ball Z

With my recent dive back into Pokemon Go, I decided to spend more time than I should on a completely silly BASH script. World, meet Porkymin Ball Z!! Try to contain your excitement as I go over the features of this groundbreaking game. * Catch the original crop of Porkymin in

Rants

Goodbye Google Adsense

A couple years ago (...I think...) for shits and giggles I set up a Google Adsense account. I tried to make it as unobtrusive as possible and had the ads show up at the very bottom of the page.  No side bars. Not popups about 'Hey, you have adblock on!

Show and Tell

Turning an Old Laptop into an IP Camera

The Why ...I'm cheap. I already have an old and crusty laptop doing nothing but collecting dust...and I couldn't justify the $40 to $80 bucks it would have cost to get a 'real' IP camera. The How There are two parts to this task.  The first part is standing

Show and Tell

Monitoring Infiniband Network Utilization on CentOS 7, with some bonus Zabbix bits

I've recently had the time and the drive to dive a little deeper into Infiniband...which is a bit of an understatement considering my understanding prior to going down the 'how do I monitor this' rabbit hole consisted of compiling OpenMPI with Infiniband Support.

Show and Tell

Using Gource to Visualize SSH Attempts...Because Why Not?

As with most endeavours related to the question "I wonder if I can do X?", this one started off on a day where I was very VERY bored. The question "Can I use Gource to Visualize SSH Logs?" was quickly answered when I remembered Gource can take any logs that

Show and Tell

VirtualGL on CentOS 7 using NVIDIA Tesla GPUs

Rather than go over how difficult this was to accomplish, and how many hours I spent attempting, I'll just layout the steps I took to complete this task. Here is a quick example of what I was able to do with VirtualGL and X11 forwarding. According to tracepath there are

Sorry for the Downtime...Again...

Moved locations and it took WAY longer to get set up than I had hoped. Good thing I don't care about how many 9s I have. Hopefully I'm in a more stable state and can start adding some more content soon.

Show and Tell

Rocket.Chat Client RPM from DEB Package

I primarily use Fedora/Cent/RHEL distributions, so I was a bit sad when I found out the desktop client for Rocket.Chat did not have a pre-packaged RPM for me to download. Not that I hold it against the team behind Rocket.Chat in the slightest. Package management is

HowTos

Rocket.Chat on CentOS 7

In this post, I will go over installing Rocket.Chat on a server running CentOS 7 with SELinux ENABLED as well as exposing the service through an Apache Reverse Proxy with SSL enabled. So far, I really like Rocket.Chat. The feature set is awesome and it's a joy to

HowTos

Install Pianobar from Source in Fedora 22

Needed Repos Steps done as root user Install the RPM Fusion repos dnf install http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm Needed Packages Steps done as root user I started writing this after

Sorry about the Downtime...

Had a hard drive fail on my oVirt server. Lessons learned * File-level backups are great for restoring files...not so much for whole systems. * That's it really... Moving Forward * Moved to a new oVirt Server using SSDs * Have some file-level backups for small failures/mistakes * Have VM image backups for

Troubleshooting

Images won't remove from Post in Ghost v0.5.3

As always, use documents you find on blogs at your own risk. This worked for me. It may not work for you. Also, make sure you have good backups before you go poking around in the Ghost database. Yeah...I know. I'm a few releases behind. For all I know,

HowTos

Adding a NFS Server to Nethserver

As always, use documents you find on blogs at your own risk. This worked for me. It may not work for you. I've recently started playing with an install of Nethserver and I believe I've found the replacement for my Zentyal server. Zentyal was great when I first discovered it,

Troubleshooting

GitLab Omnibus LDAP User Mismatch After OU Change

Disclaimer As always, use documents you find on blogs at your own risk. This worked for me. It may not work for you. Also, make sure you have good backups before you go poking around in the GitLab database. Issues The main issue was that after an LDAP server migration,

HowTos

Stop Qualys from Overrunning BASH History

If you work with Linux in an enterprise setting, you probably have come into contact with the lovely Qualys security scanner. One GREAT side effect of this scan, is that your root user's BASH history file gets overrun. So much so that you essentially no longer have a history file

Troubleshooting

The Foreman CA Certificate Issues When Starting Apache

Quick Background While attempting to troubleshoot why my Foreman install stopped allowing me to log in via my LDAP server, which I still have not solved, I hit another issue. Apache would not start due to a certificate chain issue. From the Logs HTTPD Logs [Thu Apr 02 23:45:

Rants

Dealing with SeLinux

Young and Reckless I'm not gonna lie to you. Prior to about a couple months ago, SeLinux was disabled on all my servers. What can I say...I was young and reckless. "I'll never need this" "Oh, your documentation says turn off SeLinux...OK then. DONE!" "Why the HELL is

Troubleshooting

OwnCloud Client and Gnome-Keyring Issues

UPDATE Nextcloud Client on Fedora 31 did this to me too!! On a fresh install of Fedora 31, I installed the package nextcloud-client and set it up to connect to my server. All was well until I rebooted. The Nextcloud client seemingly forgot that it had already authenticated and it

HowTos

Installing Ampache on CentOS 7 (Apache, MariaDB, PHP 5.4)

[](http://ampache.org/) Been getting bored and spinning up VMs like a fiend here of late. The latest one is an Ampache Server. This one had proven to be more of a chore than I'd originally hoped. CentOS 7 may not have been

HowTos

Installing Piwik on CentOS 7 (Apache, MariaDB, PHP 5.4)

[](http://piwik.org/) Got bored today and decided to spin up a Piwik server. This is a rundown of the steps I took to install Piwik on a CentOS 7 server with SeLinux enabled. Initial Steps From Piwik Website To run Piwik your

Troubleshooting

Post oVirt 3.5 Upgrade Issues

I recently upgraded my personal oVirt server (which is both the engine and the hosts for my VMs) from 3.4 to 3.5. The upgrade process was relatively painless, and the basics are outlined in the Release Notes for oVirt 3.5. It wasn't until I tried to spin

Rants

Minesoft

# :'( https://mojang.com/2014/09/yes-were-being-bought-by-microsoft/ This makes me sad and fearful for the future of this great game on the linux platform. Time will tell, I suppose...