Add optional DNS check for network-online.target to user service files

README.md

@@ -51,5 +51,8 @@ the user service before.
 systemctl --user link /usr/lib/systemd/system/network-online.target
 ```
 
-This would make `network-online.target` available after a _reboot_ to the user
+This would make `network-online.target` available after a _reboot_ to the user who issued the command.
-who issued the command. 
+
+### `network-online.target` doesn't recognize DNS correctly
+
+If you like to set `Persistent=true`, then you should probably equip the related `.service` file with a `ExecStartPre=/bin/bash -c 'until host captiveportal.myservermanager.com; do sleep 1; done'` or any domain you think is 100% reachable.

etc/systemd/user/borgmatic-check@.service

@@ -7,6 +7,7 @@ Requires=network-online.target
 
 [Service]
 Type=oneshot
+#ExecStartPre=/bin/bash -c 'until host captiveportal.myservermanager.com; do sleep 1; done'
 ExecStart=borgmatic check --only repository --only archives --syslog-verbosity 1 --config %h/.config/borgmatic/%I.yml
 Environment="PATH=/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:%h/.bin"
 Environment="SSH_AUTH_SOCK=/run/user/%u/keyring/ssh"

etc/systemd/user/borgmatic-create@.service

@@ -7,6 +7,7 @@ Requires=network-online.target
 
 [Service]
 Type=oneshot
+#ExecStartPre=/bin/bash -c 'until host captiveportal.myservermanager.com; do sleep 1; done'
 ExecStart=borgmatic create --syslog-verbosity 1 --config %h/.config/borgmatic/%I.yml
 Environment="PATH=/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:%h/.bin"
 Environment="SSH_AUTH_SOCK=/run/user/%u/keyring/ssh"

etc/systemd/user/borgmatic-prune@.service

@@ -7,6 +7,7 @@ Requires=network-online.target
 
 [Service]
 Type=oneshot
+#ExecStartPre=/bin/bash -c 'until host captiveportal.myservermanager.com; do sleep 1; done'
 ExecStart=borgmatic prune --syslog-verbosity 1 --config %h/.config/borgmatic/%I.yml
 Environment="PATH=/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:%h/.bin"
 Environment="SSH_AUTH_SOCK=/run/user/%u/keyring/ssh"

etc/systemd/user/borgmatic@.service

@@ -7,6 +7,7 @@ Requires=network-online.target
 
 [Service]
 Type=oneshot
+#ExecStartPre=/bin/bash -c 'until host captiveportal.myservermanager.com; do sleep 1; done'
 ExecStart=borgmatic --syslog-verbosity 1 --config %h/.config/borgmatic/%I.yml
 Environment="PATH=/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:%h/.bin"
 Environment="SSH_AUTH_SOCK=/run/user/%u/keyring/ssh"

etc/systemd/user/check_updates.service

@@ -1,9 +1,13 @@
 [Unit]
 Description=Run check_updates
 OnFailure=systemd_failure_notify@%n.service
+Wants=network-online.target
+After=network-online.target
+Requires=network-online.target
 
 [Service]
 Type=oneshot
+#ExecStartPre=/bin/bash -c 'until host captiveportal.myservermanager.com; do sleep 1; done'
 ExecStart=check_updates
 
 [Install]

etc/systemd/user/restic-check@.service

@@ -7,6 +7,7 @@ Requires=network-online.target
 
 [Service]
 Type=oneshot
+#ExecStartPre=/bin/bash -c 'until host captiveportal.myservermanager.com; do sleep 1; done'
 ExecStart=sh %h/.config/restic/%I/check.sh
 Environment="PATH=/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:%h/.bin"
 Environment="SSH_AUTH_SOCK=/run/user/%u/keyring/ssh"

etc/systemd/user/restic-create@.service

@@ -7,6 +7,7 @@ Requires=network-online.target
 
 [Service]
 Type=oneshot
+#ExecStartPre=/bin/bash -c 'until host captiveportal.myservermanager.com; do sleep 1; done'
 ExecStart=sh %h/.config/restic/%I/create.sh
 Environment="PATH=/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:%h/.bin"
 Environment="SSH_AUTH_SOCK=/run/user/%u/keyring/ssh"

etc/systemd/user/restic-prune@.service

@@ -7,6 +7,7 @@ Requires=network-online.target
 
 [Service]
 Type=oneshot
+#ExecStartPre=/bin/bash -c 'until host captiveportal.myservermanager.com; do sleep 1; done'
 ExecStart=sh %h/.config/restic/%I/prune.sh
 Environment="PATH=/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:%h/.bin"
 Environment="SSH_AUTH_SOCK=/run/user/%u/keyring/ssh"

etc/systemd/user/restic-report@.service

@@ -7,6 +7,7 @@ Requires=network-online.target
 
 [Service]
 Type=oneshot
+#ExecStartPre=/bin/bash -c 'until host captiveportal.myservermanager.com; do sleep 1; done'
 ExecStart=sh %h/.config/restic/%I/report.sh
 Environment="PATH=/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:%h/.bin"
 Environment="SSH_AUTH_SOCK=/run/user/%u/keyring/ssh"