Virtualization stack growing pains and PeerTube Hype!

//peertube// Latest Updates: https://wiki.haacksnetworking.org/doku.php?id=computing:peertube As part of the Haack’s Networking business, I run a virtualization stack on a Supermicro 6028U-TRTP+ Dual 8-core Xeon E5-2650 2.2Ghz, with 384GB RAM, which has 576 virtual CPUs to allocate, or 24*12*2, which is threads *cores*sockets. This host uses Debian and virsh+qemu and a collection of bash scripts to manage…

Automating virt-install with preseed.cfg

//preseed// Latest Updates: https://wiki.haacksnetworking.org/doku.php?id=computing:preseed I created my own virtualization stack which is complete with version control, file backups, full image backups and more. Additionally, because my client base and use-case does not require that I spin up VMs too often, it was very easy to just keep a few VMs pre-configured generically and then virt-clone…

Working around the HP Plugin Checksum Issue

hp-plugin Jonathan Haack Haack’s Networking webmaster@haacksnetworking.org //hp-plugin// Sourceforge hp-plugin website has been down for some time. So, to install the plug-in manually, download the plugin and the signature to the same directory as follows: wget https://www.openprinting.org/download/printdriver/auxfiles/HP/plugins/hplip-3.21.12-plugin.run|hplip-3.21.12-plugin.run wget https://www.openprinting.org/download/printdriver/auxfiles/HP/plugins/hplip-3.21.12-plugin.run.asc|hplip-3.21.12-plugin.run.asc Make sure both of the files are executable by the system once you got them downloaded as…

invoice plane

This tutorial is for users of Debian who have already established a host with TLS/LAMP and want to create an InvoicePlane instance in order to create and send invoices to clients. If you have not yet completed TLS/LAMP, however, please begin with ApacheSurvival. (As always, please refer to the wiki for the latest changes/updates to…

network monitoring with munin

This tutorial is for users of Debian who have already established a host with TLS/LAMP and want to create a Munin instance to monitor the host. If you have not yet completed that, please begin with ApacheSurvival. (As always, please refer to the Wiki post here for the latest instructions and documentation.) Okay, as long…

fail2ban basics

fail2ban Jonathan Haack Haack’s Networking oemb1905@jonathanhaack.com //fail2ban// This tutorial is designed to help you install fail2ban and get a basic set of configurations in place. As always, these blog posts have an associated wiki post that receives updates and changes: fail2ban wiki post. sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.localsudo nano /etc/fail2ban/jail.local Once inside the configuration file jail.local…

remote-upgrades

#haacksnetworking #gnulinux #freesoftware #debian Today, I am sharing a new wiki post that documents how I remotely upgrade servers automatically. I was getting tired of entering the same commands over and over for each server. I scoured online sources and put them together in this fashion for my own use. I have reprinted the first…

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