FAQ, HOWTOs and Troubleshooting


  1. "Package not found error" when installing a new App or Accessory
  2. A UBOS container comes up degraded
  3. Booting UBOS on a PC starts out fine, but then the screen goes blank
  4. Can I use UBOS without purchasing a domain name?
  5. Cannot access MySQL database. File missing: /etc/mysql/root-defaults-ubos.cnf
  6. Cannot boot UBOS from boot stick on a PC
  7. Cannot connect to the public internet from a UBOS container
  8. Cannot create a temporary backup; the backup directory is not empty
  9. Failed to create file /sys/devices/system/cpu/microcode/reload
  10. How are the various UBOS images different from each other?
  11. How can I install more than one web App on the same Device?
  12. How do I report a bug?
  13. How do I set up WiFi?
  14. How to enable non-standard Package Repositories
  15. How to get help
  16. How to log into your UBOS Device
  17. How to modify the configuration of your Site
  18. How to report a bug or issue
  19. How to use Pagekite to reach your UBOS Device behind a firewall
  20. How to use SSH
  21. How to use Storj/Tardigrade on UBOS
  22. I need a Package that isn't in UBOS
  23. I need root
  24. I own a domain name, and I'd like to use it for my UBOS Device. How do I do that?
  25. I want to move from one device to another, or from/to the cloud to/from a device
  26. I want to run ssh on a non-standard port
  27. I'm running out of disk space, what now?
  28. Installing a new Package or updating fails with a message about "invalid or corrupted package" or "key is disabled"
  29. Installing a new Package or upgrading fails with a message about "unknown trust"
  30. Is it safe to have my Site accessible from the public web?
  31. My non-English keyboard layout is all screwed up
  32. My SD card is much larger than the UBOS image. How do I use the rest of the space?
  33. Nothing happens when UBOS is supposed to be booting
  34. Problems with "IPv6 Packet Filtering Framework"
  35. UBOS is in a "degraded" state
  36. ubos-admin status reports "Systemd unit ... has failed"
  37. Updating UBOS fails with lots of error messages containing "Unrecognized archive format"
  38. Verify your downloaded UBOS image
  39. What is the default "root" password?
  40. What text editor can I use on UBOS?
  41. Why did you derive UBOS from Arch Linux, and what is the relationship between UBOS and Arch?
  42. Why does UBOS ask for a domain name when installing a new Site?
  43. Why is it called UBOS?
  44. Writing a disk image to a USB stick or SD card
    1. Writing an image to a USB stick or SD card on Linux
    2. Writing an image to a USB stick or SD card on macOS
    3. Writing an image to a USB stick or SD card on Windows