Fix first, why after. Lab and production runbooks: Kubernetes, multi-cloud (AWS, GCP, Azure), Linux, networking, bare metal, and virtualization (KVM, Proxmox, Hyper-V, OpenStack).
Frigate with Docker Compose for your cameras
One compose file, one config.yml and your RTSP cameras are recording with object detection. Mind shm_size and don’t expose port 5000.
Encrypt secrets with SOPS and GPG (PGP)
Put your GPG fingerprint in .sops.yaml creation_rules, then sops -e. Values are encrypted, keys stay readable, safe to commit.
Browse the modern web on Windows XP and Server 2003
XP and 2003 are EOL. Chrome and Firefox will not run. Supermium will.
Move k3s data to another disk
Root disk is full. Stop k3s, move the directories, leave a symlink, start again.
Netcat equivalent on Windows: Test-NetConnection
Windows has no nc. Test-NetConnection -Port is the port check.
SSH into Windows Server 2003 with Bitvise
2003 has no SSH. Windows OpenSSH does not apply. Bitvise does.
WinDirStat: see what is eating the disk on Windows
du gives numbers. WinDirStat gives the map: which folder and which extension own the disk.
Export a ZFS ZVOL to a RAW image
A ZVOL is a block device. dd (or qemu-img convert) to .raw. Snapshot first if the VM is up.
HP iLO CLI: users, network, ISO, and power
iLO CLP cheat sheet: accounts, network, virtual media, and power.
Import a ZFS pool after a power outage
Pool will not import. -f force, -F rewind txgs, then scrub.