Raspberry pie creation self start service

1、 Create a service script

sudo nano /etc/init.d/tomcat

The script is as follows ：

#!/bin/bash
### BEGIN INIT INFO
# Provides: Auto_Start_Test
# Required-Start: $remote_fs
# Required-Stop: $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Auto Start Test 
# Descrption: This service is used to test auto start service
### END INIT INFO

export JAVA_HOME=/cloud/jdk
export JRE_HOME=$JAVA_HOME/jre
export CATALINA_HOME=/cloud/tomcat9.0
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib/rt.jar
export PATH=$JAVA_HOME/bin:$CATALINA_HOME/bin:$JRE_HOME/bin:$PATH

case "$1" in
start)
        ${CATALINA_HOME}/bin/catalina.sh start
        exit 0
        ;;
stop)
        ${CATALINA_HOME}/bin/catalina.sh stop
        exit 0
                ;;
 
*)
        echo "Usage: /etc/init.d/tomcat {start|stop}"
        exit 1
        ;;
esac
 
exit 0

2、 Set the permissions

sudo chmod 777 /etc/init.d/tomcat

3、 Add the service to the self start item

sudo update-rc.d tomcat defaults

sudo systemctl enable tomcat.service

4、 appendix

function	Instructions
send httpd The service starts automatically	systemctl enable httpd.service
send httpd Service does not start automatically	systemctl disable httpd.service
Check service status ( Service details )	systemctl status httpd.service
Check service status ( Only show if Active)	systemctl is-active httpd.service
Started service	systemctl list-units --type=service
Start a service	systemctl start httpd.service
Stop a service	systemctl stop httpd.service
Restart a service	systemctl restart httpd.service