服务器中服务众多，每次重启服务器、或者服务器宕机。都需要重新启动服务，费时耗力。因此想到将所有的服务全部干成系统服务，并开机自启。
以下操作均在centos6中进行
整体流程如下：
- 编写启动脚本
2.将脚本设置为系统服务
chkconfig --add script_name
chkconfig script_name on
3.验证是否已开机自启
chkconfig --list script_name
script_name 0:off 1:off 2:on 3:on 4:on 5:on 6:off
0-6代表启动7种运行级别，脚本中可设置
以上内容网络上很多，也更加详细，各位有兴趣可自行网上查阅。
以下附件一篇较详细的文章：
https://www.jianshu.com/p/635e8480a75e
下面附上各服务的启动脚本：
tomcat脚本
#!/bin/bash
#program：
#this program is tomcat startup script for the Tomcat server
#chkconfig: 2345 90 10
#Author: hhhhuanzi
#Date: 2019-07-12
source /etc/profile
JAVA_HOME=$JAVA_HOME
CATALINA_HOME=$CATALINA_HOME
case "$1" in
start)
echo -n "Starting Tomcat..."
$CATALINA_HOME/bin/startup.sh
exit 0
;;
stop)
echo -n "Stopping Tomcat..."
$CATALINA_HOME/bin/shutdown.sh
echo "Stopped"
exit 0
;;
restart)
echo -n "Stopping Tomcat..."
$CATALINA_HOME/bin/shutdown.sh
echo "Stopped."
sleep 2
echo -n "Starting Tomcat..."
$CATALINA_HOME/bin/startup.sh
echo "Started."
exit 0
;;
*)
echo "Usage:tomcat{start|stop|restart}"
exit 1
;;
esac
nginx脚本
#!/bin/sh
#
# nginx - this script starts and stops the nginx daemon
#
# chkconfig: - 85 15
# description: Nginx is an HTTP(S) server, HTTP(S) reverse \
# proxy and IMAP/POP3 proxy server
# processname: nginx
# config: /usr/local/nginx/conf/nginx.conf
# pidfile: /var/run/nginx.pid
# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
. /etc/sysconfig/network
# Check that networking is up.
[ "$NETWORKING" = "no" ] && exit 0
nginx="/usr/local/nginx/sbin/nginx"
prog=$(basename $nginx)
NGINX_CONF_FILE="/usr/local/nginx/conf/nginx.conf"
[ -f /etc/sysconfig/nginx ] && . /etc/sysconfig/nginx
lockfile=/var/lock/subsys/nginx
make_dirs() {
# make required directories
user=`$nginx -V 2>&1 | grep "configure arguments:" | sed 's/[^*]*--user=\([^ ]*\).*/\1/g' -`
if [ -z "`grep $user /etc/passwd`" ]; then
useradd -M -s /bin/nologin $user
fi
options=`$nginx -V 2>&1 | grep 'configure arguments:'`
for opt in $options; do
if [ `echo $opt | grep '.*-temp-path'` ]; then
value=`echo $opt | cut -d "=" -f 2`
if [ ! -d "$value" ]; then
# echo "creating" $value
mkdir -p $value && chown -R $user $value
fi
fi
done
}
start() {
[ -x $nginx ] || exit 5
[ -f $NGINX_CONF_FILE ] || exit 6
make_dirs
echo -n $"Starting $prog: "
daemon $nginx -c $NGINX_CONF_FILE
retval=$?
echo
[ $retval -eq 0 ] && touch $lockfile
return $retval
}
stop() {
echo -n $"Stopping $prog: "
killproc $prog -QUIT
retval=$?
echo
[ $retval -eq 0 ] && rm -f $lockfile
return $retval
}
restart() {
configtest || return $?
stop
sleep 3
start
}
reload() {
configtest || return $?
echo -n $"Reloading $prog: "
killproc $nginx -HUP
RETVAL=$?
echo
}
force_reload() {
restart
}
configtest() {
$nginx -t -c $NGINX_CONF_FILE
}
rh_status() {
status $prog
}
rh_status_q() {
rh_status >/dev/null 2>&1
}
case "$1" in
start)
rh_status_q && exit 0
$1
;;
stop)
rh_status_q || exit 0
$1
;;
restart|configtest)
$1
;;
reload)
rh_status_q || exit 7
$1
;;
force-reload)
force_reload
;;
status)
rh_status
;;
condrestart|try-restart)
rh_status_q || exit 0
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}"
exit 2
esac
kafka脚本
#!/bin/sh
#chkconfig: 345 99 01
#description: Kafka
#File : Kafka
#Description: Starts and stops the Kafka server
#官方脚本
source /etc/rc.d/init.d/functions
export JAVA_HOME=/usr/java/jdk1.7.0_80
export JRE_HOME=/usr/java/jdk1.7.0_80/jre
KAFKA_HOME=/usr/local/kafka
KAFKA_USER=root
export LOG_DIR=/usr/local/kafka/logs
[ -e /etc/sysconfig/kafka ] && . /etc/sysconfig/kafka
#See how we were called.
case "$1" in
start)
echo -n "Starting Kafka:"
/sbin/runuser -s /bin/sh $KAFKA_USER -c "nohup $KAFKA_HOME/bin/kafka-server-start.sh $KAFKA_HOME/config/server.properties > $LOG_DIR/server.out 2> $LOG_DIR/server.err &"
echo " done."
exit 0
;;
stop)
echo -n "Stopping Kafka: "
/sbin/runuser -s /bin/sh $KAFKA_USER -c "ps -ef | grep kafka.Kafka | grep -v grep | awk '{print \$2}' | xargs kill"
echo " done."
exit 0
;;
hardstop)
echo -n "Stopping (hard) Kafka: "
/sbin/runuser -s /bin/sh $KAFKA_USER -c "ps -ef | grep kafka.Kafka | grep -v grep | awk '{print \$2}' | xargs kill -9"
echo " done."
exit 0
;;
status)
c_pid=`ps -ef | grep kafka.Kafka | grep -v grep | awk '{print $2}'`
if [ "$c_pid" = "" ] ; then
echo "Stopped"
exit 3
else
echo "Running $c_pid"
exit 0
fi
;;
restart)
stop
start
;;
*)
echo "Usage: kafka {start|stop|hardstop|status|restart}"
exit 1
;;
esac
redis脚本
#!/bin/sh
#
# Simple Redis init.d script conceived to work on Linux systems
# as it does use of the /proc filesystem.
# chkconfig: 2345 90 10
# description: Redis is a persistent key-value database
REDISPORT=6379
EXEC=/usr/local/redis/bin/redis-server
CLIEXEC=/usr/local/redis/bin/redis-cli
PIDFILE=/var/run/redis/redis.pid
CONF="/usr/local/redis/etc/redis.conf"
case "$1" in
start)
if [ -f $PIDFILE ]
then
echo "$PIDFILE exists, process is already running or crashed"
else
echo "Starting Redis server..."
$EXEC $CONF
fi
;;
stop)
if [ ! -f $PIDFILE ]
then
echo "$PIDFILE does not exist, process is not running"
else
PID=$(cat $PIDFILE)
echo "Stopping ..."
$CLIEXEC -p $REDISPORT shutdown
while [ -x /proc/${PID} ]
do
echo "Waiting for Redis to shutdown ..."
sleep 1
done
echo "Redis stopped"
fi
;;
*)
echo "Please use start or stop as first argument"
;;
esac
nodejs脚本
#!/bin/bash
# chkconfig: 2345 90 10
# program:
# this program is a shell script to autostart nodejs.
# Author: hhhhuanzi
# Date: 2019-06-15
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin:/usr/local/nodejs/bin
export PATH
case $1 in
"start")
echo -n "Starting nodejs"
cd /data/nodejs/&&
forever start --minUptime 100 --spinSleepTime 100 -l nodejs.log -e err.log -a app.js&&
echo " done."
exit 0
;;
"stop")
echo -n "Stoping nodejs"
cd /data/nodejs/&&
forever stop --minUptime 100 --spinSleepTime 100 -l nodejs.log -e err.log -a app.js&&
echo " done."
exit 0
;;
"restart")
echo -n "Restarting nodejs"
cd /data/nodejs/&&
forever restart --minUptime 100 --spinSleepTime 100 -l nodejs.log -e err.log -a app.js&&
echo "done."
exit 0
;;
*)
echo "Usage:nodejs{start|stop|restart}"
exit 1
;;
esac
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