journal size grows huge in a default debian installation, but can be limited by editing /etc/systemd/journald.conf and adding a limit on the line SystemMaxUse=. Something like 100M.
EFI Shell commands
Sometimes the GRUB bootloader gets messed up, and you get dumped into the EFI Shell. A few key commands to get things working again… map gets a list of all the discovered partitions FS0: gets you to the file structure of the FS0 partition bcfg boot dump -b lists all the EFI boot entries bcfg…
VNC access to Debian LXQT
Debian LXQT desktop environment (DE) doesn’t come with a pre-installed VNC server. I usually want to log into an existing Xsession, and X11VNC is the easiest VNC server I’ve found to do that. Others like TigerVNC or TightVNC were harder to configure to connect to existing X sessions. So I did sudo apt install x11vnc…
Useful Commands
Reverse SSH tunnel
*edited 5apr25 to add sshtunnel user Some cell carriers and ISPs do carrier-grade network address translation (CGNAT) so you don’t get a public IPv4. So to connect to a computer (or network) behind CGNAT, you need a virtual private server (VPS) or some other machine that is reachable directly. You can then create a tunnel…
Use Victoria Metrics for data aggregation instead of Influxdb
I’ve been using InfluxDB 1.8.X for a few years, but it has issues. On x86 64-bit, Debian 12 virtual host, I am running into a “no space left on device” error when trying to write to .wal files. Inodes are fine, disk space is fine but the only current solution for me is to restart…
App for old Fire tablets to do photo slideshows
An old 8″ fire tablet (6th gen I think). I wanted to use it as a photo slideshow for my parents. Quickpic used to be the app of choice, but won’t play nicely with SMB drives (the version I have may be limited to NTLMv1, which is a no-go due to security vulnerabilities. Reddit suggested…
Automatic rdp session for old MS Surface tablet
I have an old Surface RT with windows 8.1 on it that I want to use as a dashboard. But Internet Explorer is ancient and won’t load Grafana’s application files. Nor will it open Home Assistant dashboards or Node-Red UI. And the Microsoft Store doesn’t work for 8.1 anymore, so I can’t even install a…