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krypton User Group Type (login/system) Purpose restic backup system Run the restic-rest-server www-srv www system Run web-accessible services  - timemachine traefik traefik system Run the t syncthing ...

[pi4] Used to fix kvmd-otg and kvmd-tc358743 not starting at boot dtoverlay=tc358743 dtoverlay=disable-bt dtoverlay=dwc2,dr_mode=peripheral

Set Router to Bridge Mode Login to router administration interface Select "My Network" on the top bar Select "Network Connections" > "Advanced" Select edit icon for "Network (Home/Office)", then click "Settings" on the bottom right Check the box for bridge ...

Rationale Use these to verify the health of database containers. This allows me to only run web services when a database is healthy. This prevents us from hiding a silent failure. MariaDB healthcheck: test: ["CMD", "healthcheck.sh", "--connect", "--innod...

This configuration allows us to automatically unlock but not mount external drives. For example: /etc/crypttab diskn UUID=<path to disk by /dev/disk/by-uuid> /etc/keyfiles/<keyfile name> luks,nofail This configuration will use the keyfile /etc/...

Wireless Configuration # iwlwifi.conf # Enable antenna aggregation options iwlwifi 11n_disable=8  

https://wiki.archlinux.org/title/Dm-crypt/Specialties#Disable_workqueue_for_increased_solid_state_drive_(SSD)_performance

qm importdisk <vm_id> file.qcow2 <storage-backend>  

#!/usr/bin/bash mkdir -p /tmp/qemu ## make temp dir for moving VM config files cp /etc/pve/nodes/$original_hostname/qemu-server/* /tmp/qemu/ hostnamectl set-hostname "$new_hostname" sed -i "s/$original_hostname/$new_hostname/g" /etc/hosts services=(...

These systemd services allow me to update the Tailscale certificates for PiKVM every 80 days without manual intervention. cert-update.timer [Unit] Description=Update tailscale certificates for nginx [Timer] OnBootSec=1min OnUnitActiveSec=80d AccuracyS...

docker compose exec -it db bash -c "mariadb-upgrade -u root -p" Then enter password

Problem If ethernet hangs and you get this journal log: Mar 29 05:14:04 pve-01 kernel: e1000e 0000:00:1f.6 enp0s31f6: Detected Hardware Unit Hang: TDH <3> TDT ...

Firewall rules: 

Unable to add AirPrint/mDNS/Bonjour Printer Verify if you are getting the following error in /var/log/cups/error_log E [19/Apr/2025:20:23:27 -0700] [CGI] Unable to create PPD file: Could not poll sufficient capability info from the printer (PRINTER_URL) via ...

Most likely it's something wrong with X, I fixed my issues by adding the following to /etc/sddm.conf.d/10-wayland.conf [General] DisplayServer=wayland GreeterEnvironment=QT_WAYLAND_SHELL_INTEGRATION=layer-shell [Wayland] CompositorCommand=kwin_wayland -...

To set up the system to run sops-nix, I usually use the host SSH key like so: nix run 'nixpkgs#ssh-to-age' -- -private-key -i /etc/ssh/ssh_host_ed25519_key Copy the generated private key to /var/lib/sops/age/keys.txt . This is the location set in the sopsF...

How to get WAL stats for alloy: alloy tools prometheus.remote_write wal-stats /var/lib/private/alloy/data-alloy/prometheus.remote_write.default/wal