Ubuntu 12.04.4 LTS 设置memcached开机自启动
本机之前已经安装过memcached服务器，并且已用于开发环境，但是每次启动机器后都要手工启动下memcached，很烦，于是就将memcached设置成开机自启动。步骤1：sudo gedit /etc/init.d/memcached
#!/bin/sh
#
# Startup script for memcached
#
# processname: memcached
# pidfile: /tmp/memcached.pid
# logfile: /var/log/memcached/memcached_log
# memcached_home: /usr/local/bin/memcached
# chkconfig: 35 21 79
# description: Start or stop memcached Service
. /lib/lsb/init-functions
RETVAL=0
prog="memcached"
basedir=/usr/local/bin/memcached
cmd=/usr/local/bin/memcached
pidfile=/tmp/memcached.pid
ip="127.0.0.1" # 绑定侦听的IP地址
port="11211" # 服务端口
username="root" # 运行程序的用户身份
max_memory=64 # default: 64M | 最大使用内存
max_connection=1024 # default: 1024 | 最大同时连接数
start() {
echo -n $"Starting service: $prog"
$cmd -d -l$ip -p$port -u$username -m$max_memory -c$max_connection -P$pidfile
RETVAL=$?
if [ ! -d /var/lock/subsys ]; then
mkdir -p /var/lock/subsys
fi
echo
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/$prog
}
stop() {
echo -n $"Stopping service: $prog"
current_user=$(whoami)
pidlist=$(ps -ef | grep $current_user | grep memcached | grep -v grep | awk '{print $2}')
for pid in $pidlist ; do
kill -9 $pid
if [ $? -ne 0 ]; then
return 1
fi
done
RETVAL=$?
echo
[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/$prog
}
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
stop
start
;;
status)
status memcached
;;
*)
echo "Usage: $0 {start|stop|restart|status}"
exit 1
esac
exit $RETVAL
步骤2：设置权限
sudo chmod -R 777 memcached
步骤3：设置启动级别
sudo chkconfig -add memcached
sudo chkconfig --level 35 memcached on
执行后，/etc/rcX.d（X等于1-5）下面就产生了SXXMemcached文件（S代表开机自启动，K代表禁止开机启动，XX为两位数字）
步骤4：启动服务
service memcached start
步骤5：检测服务是否启动
telnet 127.0.0.1 11211
成功后重启下机器，再执行步骤5看看结果。
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