yum -y install memcached nc telnet
rpm -qa |egrep "memcached|nc|telnet"
vim /etc/sysconfig/memcached
PORT="11211"        #默认端口号，实际工作中要改掉
USER="memcached"
MAXCONN="1024"    #最大连接数
CACHESIZE="64"    #缓存大小 MB
OPTIONS="-l 172.16.1.21"
systemctl restart memcached.service
systemctl enable memcached.service

tar xf memcache-2.2.5.tgz
cd memcache-2.2.5
/application/php/bin/phpize
./configure --enable-memcache --with-php-config=/application/php/bin/php-config --with-zlib-dir
make && make install
sed -i ‘$a extension=memcache.so‘ /application/php/lib/php.ini
pkill php    #killall php-fpm
/application/php/sbin/php-fpm -t
/application/php/sbin/php-fpm
/application/php/bin/php -m|grep memcache

 cat >/application/nginx/html/www/mc.php<<‘EOF‘
<?php
$memcache = new Memcache;
$memcache->connect(‘172.16.1.25‘, 11211) or die ("Could not connect");
$memcache->set(‘key_oldboy0‘, ‘hello,oldgirl0‘);
$memcache->set(‘key_oldboy1‘, ‘hello,oldgirl1‘);
$memcache->set(‘key_oldboy2‘, ‘hello,oldgirl2‘);
$get_value1 = $memcache->get(‘key_oldboy0‘);
$get_value2 = $memcache->get(‘key_oldboy1‘);
$get_value3 = $memcache->get(‘key_oldboy2‘);
echo "$get_value1 $get_value2 $get_value3";
?>
EOF
[root@cache01 ~]# printf "get key_oldboy0\r\n"|nc 172.16.1.21 11211
VALUE key_oldboy 0 14
hello,oldgirl0
END

find /application/nginx/html/www/memadmin -type d |xargs chmod 755
find /application/nginx/html/www/memadmin -type f |xargs chmod 644