Used to check if Tailscale is working; testing on macOS
Script to restart the Tailscale connection if it is not working. Requires two machines in a network to run.
See Tailscale at https://tailscale.com/
./checkTailscale.sh [ -p [ADDRESS] -o [ADDRESS] -n [NAME] [-e] [-i] -s [COUNT] ]
OPTIONS:
-o set the IP address of a second system that is running tailscale to verify that tailscale is working
-n set the user-friendly name of that second system that is running tailscale to verify that tailscale is working
-p set IP address to ping
-e send an email every time this script runs
-i send an email only if there was a problem with the Internet or tailscal
-s skip COUNT errors
Edit the script and change these variables:
| Variable | Description |
|---|---|
| VERFILE | Location of where the version of Tailscale is stored, should not be a temporary location |
| PUBLIC_IP_ADDRESS | The public IP that you want to ping to test if tailscale is working |
| AUTH_KEY | Location of the tailscale AUTH_KEY, get this from the Admin console, see https://tailscale.com/kb/1085/auth-keys/ |
| EMAIL_ADDRESS | The email address to send error reports, if enabled via -i or -e when invoking this script |
| TMPFILE | Where to store the temporary file, will be deleted after running |
| TAILSCALE_OTHER_IP_ADDRESS | The IP address of a second system that is running tailscale to verify that tailscale is working |
| TAILSCALE_OTHER_MACHINE_NAME | The user-friendly name of that second system that is running tailscale to verify that tailscale is working |
This example checks every 15 minutes to see if TailScale is running
##MIN HOUR MDAY MON DOW COMMAND
0,15,30,45 * * * * /Users/me/bin/checkTailscale.sh -i &> /dev/null