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4c22d22df5
tailscale/cmd
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Brad Fitzpatrick 4c22d22df5 cmd/fbstatus: add framebuffer status display for the Tailscale appliance 
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>
2026-07-02 09:24:01 -07:00
..
addlicense all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
build-webclient all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
checkmetrics all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
cigocacher cmd/cigocacher: make --stats flag best-effort (#18761) 2026-02-19 16:06:12 +00:00
cloner cmd/cloner: preserve nil-valued entries when cloning map (#19749) 2026-05-14 10:30:59 -04:00
connector-gen all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
containerboot cmd/containerboot: refresh DNS config on SelfChange (#20236) 2026-06-25 14:50:25 +01:00
derper ipn/{ipn,ipnlocal}: add per-user policy snapshots to IPN bus (#20135) 2026-06-30 12:44:29 -07:00
derpprobe all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
dist all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
distsign all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
fbstatus cmd/fbstatus: add framebuffer status display for the Tailscale appliance 2026-07-02 09:24:01 -07:00
featuretags all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
get-authkey all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
gitops-pusher tsnet: make workload identity federation opt-in 2026-05-06 18:43:45 -07:00
hello cmd/hello: split css and js into separate files (#19771) 2026-05-15 09:37:22 -07:00
jsonimports all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
k8s-nameserver all: don't repeat the the word "the" unnecessarily 2026-06-18 16:32:08 +01:00
k8s-operator ipn/ipnlocal, feature/acme: move most remaining cert code into feature/acme 2026-06-29 12:57:22 -07:00
k8s-proxy cmd/containerboot,cmd/k8s-proxy,kube: add authkey renewal to k8s-proxy (#19221) 2026-04-15 16:13:46 +01:00
mkmanifest all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
mkpkg all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
mkversion all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
nardump tool/updateflakes, cmd/nardump: replace update-flake.sh with Go tool 2026-04-28 10:18:32 -07:00
natc all: use bart.Lite instead of bart.Table where appropriate 2026-03-24 14:45:23 +00:00
netlogfmt cmd/tailscale/cli: fix time in tailscale routecheck (#19956) 2026-06-01 16:12:08 -07:00
nginx-auth all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
omitsize all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
pgproxy cmd/pgproxy: fix client TLS handshake timeout 2026-05-11 11:12:11 -07:00
printdep cmd/printdep: add --next flag to use rc Go build hash instead 2026-01-27 14:49:56 -08:00
proxy-test-server all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
proxy-to-grafana all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
sniproxy all: migrate code off Notify.NetMap to Notify.SelfChange 2026-05-01 06:51:40 -07:00
speedtest all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
ssh-auth-none-demo cmd/ssh-auth-none-demo: update SSH demo a bit 2026-06-03 19:36:19 -07:00
stunc all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
stund ipn/ipnlocal, feature/acme: move most remaining cert code into feature/acme 2026-06-29 12:57:22 -07:00
stunstamp all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
sync-containers all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
systray client/systray: support several different color themes 2026-04-27 18:54:14 -07:00
tailscale cmd/tailscale/cli: add service list command 2026-07-02 08:38:11 -07:00
tailscaled util/progresstracking: add Ticker, NewWriter, and CountingWriter 2026-07-01 10:02:05 -07:00
testcontrol all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
testwrapper cmd/testwrapper: auto-retry every failing test 2026-06-01 11:07:56 -07:00
tl-longchain all: rename NetworkLock functions/types to TailnetLock 2026-06-08 13:14:28 +01:00
tsconnect tstest/integration/jswasmtest: add headless-Chromium tests for @tailscale/connect 2026-05-20 10:48:29 -07:00
tsidp cmd/tailscaled, util/syspolicy: add JSON syspolicy file support 2026-06-30 13:10:16 -07:00
tsnet-proxy cmd/tsnet-proxy: add tsnet-based port proxy tool (#19468) 2026-04-22 13:34:18 -04:00
tsp control/tsp, cmd/tsp: add low-level Tailscale protocol client and tool 2026-04-16 20:00:25 -07:00
tsshd all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
tta tstest/natlab/vmtest, client/web: add web client integration tests 2026-06-30 06:55:12 -07:00
vet cmd/vet/lowerell, drive/driveimpl: forbid variables named "l" or "I" 2026-05-04 14:03:28 -07:00
viewer cmd/cloner: preserve nil-valued entries when cloning map (#19749) 2026-05-14 10:30:59 -04:00
vnet all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
xdpderper all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00