Systemd

配置 Java 进程

命令方式

• /etc/systemd/system/my-app-maven.service

  [Unit]
  Description=my-app-maven
  After=network.target
  After=syslog.target
  
  [Service]
  User=ubuntu
  Group=ubuntu
  ExecStart=/opt/env/jdk-17 -jar /opt/module/my-app/maven/my-app-maven.jar
  StandardOutput=file:/opt/module/my-app-maven/my-app-maven.log
  StandardError=inherit
  Type=forking
  Restart=on-failure
  
  [Install]
  WantedBy=multi-user.target
  

脚本方式

• /etc/systemd/system/my-app-maven.service

  [Unit]
  Description=my-app-maven
  After=network.target
  After=syslog.target
  
  [Service]
  User=ubuntu
  Group=ubuntu
  ExecStart=/opt/code/my-app-maven/my-app-maven.sh start
  Type=forking
  Restart=on-failure
  
  [Install]
  WantedBy=multi-user.target
  

• /opt/code/my-app-maven/my-app-maven.sh

  #!/usr/bin/env bash
  source /etc/profile
  
  JAVA_HOME="/opt/env/jdk-17"
  JAVA_OPTS=(
      -Xmx1g
      -Xms1g
  )
  APP_HOME="/opt/module/my-app-maven"
  APP_NAME="my-app-maven"
  
  nohup "${JAVA_HOME}/bin/java" "${JAVA_OPTS[@]}" -jar "${APP_HOME}/${APP_NAME}.jar" &> "${APP_HOME}/${APP_NAME}.log" &