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4c22d22df5
Adds a Linux-only framebuffer status display (cmd/fbstatus) that draws
to /dev/fb0 on the Tailscale gokrazy appliance. It shows:
- the Tailscale logo
- the current tailscaled state (starting, needs login, running)
- a QR code with the login URL when enrollment is needed (triggers
StartLoginInteractive automatically so the URL appears without
user action)
- the LAN IP or "Waiting for DHCP (MAC)" pinned at the bottom-left
- Tailscale IPs once connected
VT switching: Ctrl-Alt-F2 drops to a busybox text shell on VT2 (for
debugging with a USB keyboard), Ctrl-Alt-F1 returns to the GUI.
Rendering pauses while the text VT is active.
On boot, fbstatus pokes the gokrazy unix socket API to restart the
breakglass SSH service (which uses DontStartOnBoot by default). It
waits until DHCP assigns an IP so breakglass binds to the LAN address
rather than just localhost.
Included in the tsapp-pi.arm64 gokrazy build by default.
Updates #1866
Change-Id: Ifdce4ad8e8c2e1005c840f579e637974a0a266d3
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
11 lines
300 B
JSON
11 lines
300 B
JSON
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