Single-GPU Passthrough on Linux
The full writeup: VFIO single-GPU passthrough end to end - kernel setup, libvirt hooks, domain XML, performance tuning, anti-cheat tiers, TPM, and getting your desktop back.
Linux
Handing my only GPU to a VM, and getting it back
Moving your only GPU into a Windows VM and back works. It also nukes your Plasma session every single time. I ran it as an experiment for months - here is the real cost and the layout that sidesteps the whole problem.
AWK
A reference for the awk pattern-action language covering built-in variables, program structure, and one-line scripts for spacing, numbering, string and array handling, substitution, and selective printing or deletion of …
BackupDir.sh
A Bash script that creates a zstd-compressed tar archive of a directory and deletes backups older than 2 days, intended to be scheduled via cron.
BIND9
Configure BIND9 as an authoritative server, recursive resolver, or both, covering zone files, ACLs, zone transfers with TSIG, DNSSEC signing, performance tuning, and testing.
Bootstrap
Install a minimal Linux base system into a target directory using distribution-specific package managers and bootstrap wrappers, then configure it to boot.
Borg Backup
Reference for Borg Backup: installation, local and remote (SSH) repositories, encryption modes, compression, pruning, restore, Borgmatic, and systemd timer automation.
BTRFS
Reference for the BTRFS copy-on-write filesystem: subvolumes, snapshots, multi-device and RAID profiles, scrub, compression, qgroups, mount options, and troubleshooting.
Ceph
Reference for Ceph, the software-defined storage platform providing object, block, and file storage on top of RADOS. Covers architecture, CRUSH, core daemons, installation, OSD management, capacity planning, monitoring, …
Clonezilla
Open-source disk imaging and cloning tool for bare-metal backup, mass deployment, and disaster recovery. Covers Clonezilla Live and SE, interactive and command-line usage, and backup verification.