Karl Ahlers
My name is Karl Ahlers and I like to blog about technology such as Linux, Windows, and Cisco
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Category Archives: Linux

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Watchertower Container Setup

By Karl | January 8, 2022 - 10:59 pm |January 9, 2022 Docker, Linux
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In my Homelab stack, I’ve completely Dockerized a lot of my infrastructure services: Sonarr, Radarr, Jackett, Nextcloud, Redis, MariaDB, MySQL, and a lot more! I made sure to get a very good understanding of how to manually remove containers, remove images, add macvlans, and even inspect the network elements all… Continue reading →

Tagged Docker, Linux

mysqldump script again

By Karl | May 31, 2021 - 4:34 pm |January 9, 2022 Bash, Linode, Linux
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I decided to look back at my mysqldump script and thought it would be better to improve upon the whole process. Important notes: Mysqldump looks at a file that’s chmod 600 for credentials to do the backups and email for the failure of backups needs to be done.

Tagged Linux, mysqldump

Using Vagrant and Linode to create a VPS in minutes

By Karl | April 16, 2017 - 1:48 pm |April 17, 2017 Linode, Linux, Vagrant
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Automation is now becoming more popular and given a standard in some places. The best place to start learning is by using Vagrant and Linode a Virtual Private Server(VPS) that will host our content. Our goal in this project will be to use Vagrant to provision an image of Ubuntu… Continue reading →

Tagged Linode, Linux, Vagrant, VPS

Trixbox Password

By Karl | October 19, 2012 - 10:29 am |October 19, 2012 Linux
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It has been awhile since I updated my site but I’ve started another new job and have been here 4 months and I love it here! One of the many things I get to work with is Trixbox a software PBX based off of Asterisk. I know my way around… Continue reading →

Tagged Asterisk, PBX, Trixbox

Lenovo Ideacentre Q180 with XBMC

By Karl | June 23, 2012 - 3:39 pm |June 23, 2012 Hardware, Linux
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I decide it was time to go with a simple HTPC(Home Theater Personal Computer) that ran Linux. So I decided the only thing that would work really nice with a good remote control was the Lenovo Ideacentre Q180 with XBMC setup. So far after setting up everything I can say… Continue reading →

Tagged Lenovo Idea Centre Q180, XBMC

curl ifconfig.me

By Karl | April 24, 2012 - 11:43 am |May 25, 2013 Apple, Linux
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One little trick I like to use in Linux and Mac OS X is when I want to know the external IP address of the machine I am working on is to use curl along with a website called ifconfig.me. We can begin with something very easy to get the… Continue reading →

Tagged bash, cli, Terminal

Postfix

By Karl | March 28, 2012 - 4:44 pm |April 9, 2012 Linux
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It seems that our mail server was down so I stopped whatever I was doing to try and fix the issue, I had no idea what I was getting into, I had no experience with email servers so I decided to try and see what I could find online and… Continue reading →

Tagged Postfix. Email

Debian Linux

By Karl | March 16, 2012 - 10:28 am |March 16, 2012 Linux
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I don’t really go off on rants but right now I am on a Debian Linux kick. It started off with trying to understand how PXE(Pre Execution Environment) works under Linux which once you get yourself familiar with Debian or even Ubuntu you can navigate your way around to installing… Continue reading →

Tagged Debian

Clementine

By Karl | March 7, 2012 - 7:23 pm |March 7, 2012 Linux
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One thing that I am afraid to admit to now a days is upgrading my Linux Distrobution, not because of fear of new packages or how the system might break if I don’t update configuration files correctly, it’s because of the fact that I might lose Amarok 1.4.  Amarok 1.4… Continue reading →

Tagged Clementine, Music Player

Simple mysqldump backup script revisited

By Karl | February 24, 2012 - 1:26 pm |February 24, 2012 Linux
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I have updated my Simple mysqldump backup script.  This time it will actually delete files older than 10 days.   Source: Simple Mysqldump backup script

Tagged bash, mysql backup, mysqldump
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  • About Karl Ahlers

    My name is Karl Ahlers and if you couldn't tell I have been into Technology for well over a decade I am currently Comptia A+, Net+, Security+ certified along with Microsoft Windows XP and Windows 7 certified. I wish to continue with my certifications and will be studying and taking the Cisco CCNA certification.
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