[HowTo] Run signal-cli in tcp mode automatically on reboot

[iwas108]

[Unit]
Description=Signal-CLI JSON RPC Service
After=multi-user.target

[Service]
BusName=org.asamk.Signal
User=signal-cli
Group=signal-cli
RuntimeDirectory=signal-cli
EnvironmentFile=/etc/default/signal-cli
ExecStart=signal-cli -u +00000000000 daemon --tcp
Restart=on-failure
RestartSec=20
# Profile pictures and attachments to upload must be located here for the service to access them
ReadWritePaths=/var/lib/signal-cli
RemoveIPC=true
RestrictAddressFamilies=AF_INET AF_INET6
RestrictNamespaces=true
RestrictRealtime=true
RestrictSUIDSGID=true
# JVM always exits with 143 in reaction to SIGTERM signal
SuccessExitStatus=143
StandardInput=socket
StandardOutput=journal
StandardError=journal
SystemCallArchitectures=native
SystemCallFilter=~@debug @mount @obsolete @privileged @resources
UMask=0077

[Install]
WantedBy=multi-user.target

Hello there, anyone can help me to create a service for signal-cli to run? I need to run it automatically after reboot in tcp mode. Any help wou;d highly apreciated! Thankyou.

[iwas108]

When using the service script above, I got error like this in syslog:

signal-cli[2883737]: /usr/local/bin/signal-cli: 230: tr: not found
signal-cli[2883736]: /usr/local/bin/signal-cli: 229:
signal-cli[2883735]: /usr/local/bin/signal-cli: 228:
signal-cli[2883736]: sed: not found
signal-cli[2883735]: xargs: not found
signal-cli[2883732]: /usr/local/bin/signal-cli: 227: printf: printf: I/O error
signal-cli[2883724]: Error: Could not find or load main class org.asamk.signal.Main
signal-cli[2883724]: Caused by: java.lang.ClassNotFoundException: org.asamk.signal.Main
systemd[1]: signal-cli.service: Main process exited, code=exited, status=1/FAILURE
systemd[1]: signal-cli.service: Failed with result 'exit-code'.