Edited: 2022-06-30, added capability to block multiple subnets. First things first! 1 2 mkdir -p ~/Bench/libvirt-nwfilter-test cd ~/Bench/libvirt-nwfilter-test Preface Until I learn how to tame VXLAN for a virtualization cluster, I need a dirty way of seperating infrastructure network and the VM network. The solution presented in this post is to apply libvirt’s network filters (nwfilter) to drop packages from and to the “uplink”, namely home LAN (10.0.0.0/18), for any guest connected to the NAT (192.168.123.0/24). This approach is analogous to setting firewall rules on a router, it just is virtual. Remember to adjust your subnets! ...

Last time i had come accross ZeroTier, a virtual LAN/ Hamachi alternative. For future reference for myself, the steps to install it on: Ubuntu 20.04 Fedora 36 Archlinux (Pi-KVM) Ubuntu 20.04 Let’s start with the simplest. Though mind that it’s said this no longer works for 22.04. 1 2 sudo sudo # so that it will not expect password endlessly curl -s https://install.zerotier.com | sudo bash # official less secure way Fedora 36 Well official script would work it it wasn’t for openssl1.1-devel-1:1.1.1n-1.fc36. ...

Setting up a remote desktop node using a SoC is all fun until you notice there is no HDMI output. I had one such board laying around: Orange Pi Zero (512MB). Below are the steps I took to prepare an Xorg + Openbox + Tint2 + Firefox + remote desktop to manage/use my homelab resources. See bottom for sources. Install Armbian Select your board at Armbian download page. Here is the Orange Pi Zero’s page. There, download Debian or Ubuntu based version, I prefered “Armbian 22.05 Bullseye”. ...

Preface It is apt that this very first post is about the first geeky hardware I bought, good ol’ Raspberry Pi 3B (rpi3 from now on). More about the project can be found at Pi-KVM’s site. In summary it let’s one to interface a computer as if it was physically in front of them, as any other IP KVM solution. I will be reproducing steps for when my Clonezilla image of the SD card fails. Feel free to ride along. ...