systemd

How to setup jar as a service in systemd

Steps

Step 1

sudo vi /etc/systemd/system/myapp.service

Step 2

Contents of myapp.service

[Unit]
Description=Java Web Application
After=syslog.target network.target

[Service]
User=sujeet
WorkingDirectory=/home/sujeet/apps
ExecStart=/usr/bin/java -jar /home/sujeet/apps/myapp.jar --server.port=8080
SuccessExitStatus=143
Restart=always
RestartSec=5

[Install]
WantedBy=multi-user.target

Step 3

Start enable the service

sudo systemctl daemon-reload
sudo systemctl start myapp
sudo systemctl enable myapp
sudo journalctl -u myapp -e

Follow logs live

sudo journalctl -u your-service.service -f

Last 100 lines

sudo journalctl -u your-service.service -n 100 --no-pager

Logs from the current boot

sudo journalctl -u your-service.service -b

Logs from the last hour

sudo journalctl -u your-service.service --since "1 hour ago"