mkdir /jenkins
vi /etc/profile 添加 export JENKINS_HOME=/jenkins

vi /etc/init.d/jenkins 

#!/bin/sh
#
# Startup script for the Jenkins Continuous Integration server
# (via Jakarta Tomcat Java Servlets and JSP server)
#
# chkconfig: - 85 15
# description: Jakarta Tomcat Java Servlets and JSP server
# processname: tomcat
# pidfile: /var/run/tomcat.pid # Set Tomcat environment.
JENKINS_USER=root
LOCKFILE=/var/lock/jenkins
export PATH=/usr/local/bin:$PATH
export HOME=/jenkins
export JAVA_HOME=/opt/jdk1.8.0_161
export JENKINS_BASEDIR=/jenkins
export TOMCAT_HOME=/opt/apache-tomcat-9.0.8
export CATALINA_PID=$JENKINS_BASEDIR/jenkins-tomcat.pid
export CATALINA_OPTS="-DJENKINS_HOME=$JENKINS_BASEDIR/jenkins-home -Xmx512m -Djava.awt.headless=true" [ -f $TOMCAT_HOME/bin/catalina.sh ] || exit 0 export PATH=$PATH:/usr/bin:/usr/local/bin # See how we were called.
case "$1" in
start)
# Start daemon.
echo -n "Starting Tomcat: "
su -p -s /bin/sh $JENKINS_USER -c "$TOMCAT_HOME/bin/catalina.sh start"
RETVAL=$?
echo
[ $RETVAL = 0 ] && touch $LOCKFILE
;;
stop)
# Stop daemons.
echo -n "Shutting down Tomcat: "
su -p -s /bin/sh $JENKINS_USER -c "$TOMCAT_HOME/bin/catalina.sh stop"
RETVAL=$?
echo
[ $RETVAL = 0 ] && rm -f $LOCKFILE
;;
restart)
$0 stop
$0 start
;;
condrestart)
[ -e $LOCKFILE ] && $0 restart
;;
status)
status tomcat
;;
*)
echo "Usage: $0 {start|stop|restart|status}"
exit 1
esac exit 0

chmod a+x /etc/init.d/jenkins
chkconfig jenkins on
service jenkins start 

vi /etc/nginx/nginx.conf

user root;
worker_processes auto;
error_log /var/log/nginx/error.log error;events {worker_connections 10240;
}http{server {listen       80;server_name  ci.abc.com;client_max_body_size 60M;client_body_buffer_size 512k;location / {proxy_pass      http://localhost:8080;proxy_redirect  off;proxy_set_header Host $host;proxy_set_header X-Real-IP $remote_addr;proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;}}
}