linux安裝memcached並設置自啓動詳細操作步驟


一、安裝依賴庫libevent

1.進入/usr/lib目錄,使用命令:ls -al libevent 查看是否已安裝,如果已安裝且版本低於2.0.21,則先通過:rpm -e libevent —nodeps 進行卸載。

2.上傳libevent-2.0.22-stable.tar.gz至/opt/soft目錄下(無該目錄的自行創建),然後解壓。 

3.切換到解壓後的 libevent 主目錄:cd libevent-2.0.22-stable

4.順序執行以下命令(root權限下操作):

1)        ./configure -prefix=/usr (指定該目錄,會安裝在/usr/lib目錄下)

2)        make 

3)        make install 

5.測試libevent是否安裝成功:ls -al /usr/lib|grep libevent出現類似下圖結果則表示安裝成功

二、安裝memcache

1.上傳memcached-1.4.24.tar.gz /opt/soft目錄下(無該目錄的自行創建),然後解壓。 

2.切換到解壓後的 memcache主目錄:cd memcached-1.4.24

3.順序執行以下命令(root權限下操作):

1)        ./configure -prefix=/usr/local/memcached --with-libevent=/usr

2)        make 

3)        make install  

三、配置爲自啓動服務

#創建自啓動文件
1.vim /etc/init.d/memcached
將如下內容寫入剛創建的文件中
#! /bin/sh
# chkconfig: - 55 45
# description:  The memcached daemon is a network memory cache service.
# processname: memcached
# config: /etc/sysconfig/memcached
# Source function library - for other linux
#. /etc/rc.d/init.d/functions
# Source function library - for suse linux
. /lib/lsb/init-functions
IP="192.168.1.213"
PORT="11211"
USER="root"
#最大連接數,根據實際需求修改
MAXCONN="1024"
#最大內存量,單位M
CACHESIZE="256"
OPTIONS=""
if [ -f /etc/sysconfig/memcached ];then
    . /etc/sysconfig/memcached
fi
# Check that networking is up.
if [ "$NETWORKING" = "no" ]
then
    exit 0
fi
RETVAL=0
prog="memcached"
start () {
    echo -n $"Starting $prog: "
    # insure that /usr/local/memcached has proper permissions
    chown $USER /usr/local/memcached
    /usr/local/memcached/bin/memcached -d -u $USER  -m $CACHESIZE -c $MAXCONN -l $IP -p $PORT -P /usr/local/memcached/memcached.pid $OPTIONS
    RETVAL=$?
    echo
    [ $RETVAL -eq 0 ] && touch /var/lock/subsys/memcached
}
stop () {
    echo -n $"Stopping $prog: "
    killproc memcached
    RETVAL=$?
    echo
    if [ $RETVAL -eq 0 ] ; then
        rm -f /var/lock/subsys/memcached
        rm -f /usr/local/memcached/memcached.pid
    fi
}
restart () {
    stop
    start
}
# See how we were called.
case "$1" in
    start)
        start
        ;;
    stop)
    stop
    ;;
    status)
    status memcached
    ;;
    restart|reload)
    restart
    ;;
    condrestart)
    [ -f /var/lock/subsys/memcached ] && restart || :
    ;;
    *)
    echo $"Usage: $0 {start|stop|status|restart|reload|condrestart}"
    exit 1
esac
exit $?


#設置自啓動服務
1.chmod 755 /etc/init.d/memcached  #增加執行權限
2.chkconfig --add memcached  #添加memcached到服務項
3.chkconfig --level 2345 memcached on #設置開機啓動
4.chkconfig --list memcached  #查看是否設置成功
#服務管理命令
1.service memcached start   # 啓動memcached
2.service memcached stop   # 關閉memcached
3.service memcached restart   # 重啓memcached


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