fixes and improvements

[distro-setup] / mail-setup

diff --git a/mail-setup b/mail-setup
index 3b281990b11943e0167bd0556db7e153cba0671a..9b9a97c04589f8a356c65d0b0b80260df06dc010 100755 (executable)
--- a/mail-setup
+++ b/mail-setup
@@ -468,8 +468,48 @@ EOF
 
 # old.
 #vpnser=mailvpn.service
-# todo: this hangs if it cant resolv the endpoint. we
-# want it to just retry in the background.
+# note: this hangs if it cant resolv the endpoint. we
+# want it to just retry in the background. i just use a static ip instead.
+#
+# Note: at least on t10, on reboot, the service fails to come up according to systemd, but
+# in reality it is up and working, then it tries to restart infinitely, and fails
+# because it detects that the interface exists.
+#
+# failing output:
+#
+# Aug 02 21:59:27 sy wg-quick[2092]: [#] sysctl -q net.ipv4.conf.all.src_valid_mark=1
+# Aug 02 21:59:27 sy wg-quick[2248]: [#] iptables-restore -n
+# Aug 02 21:59:27 sy wg-quick[2249]: Another app is currently holding the xtables lock. Perhaps you want to use the -w option?
+# Aug 02 21:59:27 sy wg-quick[2259]: [#] iptables-restore -n
+# Aug 02 21:59:27 sy wg-quick[2260]: Another app is currently holding the xtables lock. Perhaps you want to use the -w option?
+# Aug 02 21:59:27 sy systemd[1]: wg-quick@wgmail.service: Main process exited, code=exited, status=4/NOPERMISSION
+
+
+# successful output.
+# Aug 03 14:12:47 sy wg-quick[711336]: [#] sysctl -q net.ipv4.conf.all.src_valid_mark=1
+# Aug 03 14:12:47 sy wg-quick[711384]: [#] iptables-restore -n
+# Aug 03 14:12:47 sy wg-quick[711336]: [#] ping -w10 -c1 10.8.0.1 ||:
+# Aug 03 14:12:47 sy wg-quick[711389]: PING 10.8.0.1 (10.8.0.1) 56(84) bytes of data.
+# Aug 03 14:12:47 sy wg-quick[711389]: 64 bytes from 10.8.0.1: icmp_seq=1 ttl=64 time=73.0 ms
+# Aug 03 14:12:47 sy wg-quick[711389]: --- 10.8.0.1 ping statistics ---
+# Aug 03 14:12:47 sy wg-quick[711389]: 1 packets transmitted, 1 received, 0% packet loss, time 0ms
+# Aug 03 14:12:47 sy wg-quick[711389]: rtt min/avg/max/mdev = 72.993/72.993/72.993/0.000 ms
+# Aug 03 14:12:47 sy systemd[1]: Finished WireGuard via wg-quick(8) for wgmail.
+# Aug 02 21:59:27 sy systemd[1]: wg-quick@wgmail.service: Failed with result 'exit-code'.
+# Aug 02 21:59:27 sy systemd[1]: Failed to start WireGuard via wg-quick(8) for wgmail.
+# Aug 02 21:59:47 sy systemd[1]: wg-quick@wgmail.service: Scheduled restart job, restart counter is at 1.
+# Aug 02 21:59:47 sy systemd[1]: Stopped WireGuard via wg-quick(8) for wgmail.
+# Aug 02 21:59:47 sy systemd[1]: Starting WireGuard via wg-quick(8) for wgmail...
+# Aug 02 21:59:47 sy wg-quick[3424]: wg-quick: `wgmail' already exists
+# Aug 02 21:59:47 sy systemd[1]: wg-quick@wgmail.service: Main process exited, code=exited, status=1/FAILURE
+# Aug 02 21:59:47 sy systemd[1]: wg-quick@wgmail.service: Failed with result 'exit-code'.
+# Aug 02 21:59:47 sy systemd[1]: Failed to start WireGuard via wg-quick(8) for wgmail.
+
+
+# According to iptables -S and iptables -t nat -S,
+# there are no modifications to iptables rules on a succsfull run,
+# and
+
 vpnser=wg-quick@wgmail.service
 
 case $HOSTNAME in