When systemd service fail to start, use an exponential backoff delay to restart it

m13253 · m13253 · commit 03da3a801fc9 · 2025-05-09T00:12:11.000Z
This solves an issue that on (at least) Fedora and if NetworkManager starts too slow, systemd may stop trying to start it.
diff --git a/systemd/doh-client.service b/systemd/doh-client.service
@@ -10,7 +10,10 @@ AmbientCapabilities=CAP_NET_BIND_SERVICE
 ExecStart=/usr/local/bin/doh-client -conf /etc/dns-over-https/doh-client.conf
 LimitNOFILE=1048576
 Restart=always
-RestartSec=3
+RestartSec=1s
+RestartMaxDelaySec=76s
+RestartSteps=9
+StartLimitIntervalSec=0
 Type=simple
 DynamicUser=yes
 
diff --git a/systemd/doh-server.service b/systemd/doh-server.service
@@ -8,7 +8,10 @@ AmbientCapabilities=CAP_NET_BIND_SERVICE
 ExecStart=/usr/local/bin/doh-server -conf /etc/dns-over-https/doh-server.conf
 LimitNOFILE=1048576
 Restart=always
-RestartSec=3
+RestartSec=1s
+RestartMaxDelaySec=76s
+RestartSteps=9
+StartLimitIntervalSec=0
 Type=simple
 DynamicUser=yes
 
