#三台机器上都要操作
[root@localhost ~]# yum install ntp ntpdate vim wget tree lsof net-tools -y
[root@localhost ~]# ntpdate cn.pool.ntp.org
28 Jan 09:38:53 ntpdate[7752]: step time server 84.16.73.33 offset 2548499.251893 sec
[root@localhost ~]# hwclock -w  #同步时间
[root@localhost ~]# hostnamectl set-hostname memcached  #修改名字
[root@localhost ~]# su -l
上一次登录：三 12月 29 21:34:26 CST 2021从 192.168.10.1pts/0 上


#防火墙 三台机器上都要操作
[root@memcached ~]# systemctl stop firewalld
[root@memcached ~]# systemctl disable firewalld
Removed symlink /etc/systemd/system/multi-user.target.wants/firewalld.service.
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
[root@memcached ~]# sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
[root@memcached ~]# setenforce 0

[root@web ~]# rpm -e mariadb-libs postfix
[root@web ~]# wget https://dev.mysql.com/get/archives/mysql-8.0/mysql-8.0.15-1.el7.x86_64.rpm-bundle.tar
[root@web ~]# mkdir mysql
[root@web ~]# tar xf mysql-8.0.16-2.el7.x86_64.rpm-bundle.tar -C mysql
[root@web ~]# cd mysql
[root@web mysql]# yum localinstall mysql-community-client-8.0.16-2.el7.x86_64.rpm mysql-community-server-8.0.16-2.el7.x86_64.rpm mysql-community-libs-8.0.16-2.el7.x86_64.rpm mysql-community-common-8.0.16-2.el7.x86_64.rpm mysql-community-libs-compat-8.0.16-2.el7.x86_64.rpm -y
[root@web ~]# yum install php php-gd php-mysql php-memcache -y
[root@web ~]# systemctl start httpd

#安装mysql
[root@mysql ~]# rpm -e mariadb-libs postfix
[root@mysql ~]# groupadd mysql
[root@mysql ~]# useradd -g mysql mysql
[root@mysql ~]# mkdir mysql
[root@mysql ~]# wget https://dev.mysql.com/get/archives/mysql-8.0/mysql-8.0.15-1.el7.x86_64.rpm-bundle.tar
[root@mysql ~]# tar xf mysql-8.0.16-2.el7.x86_64.rpm-bundle.tar -C mysql
[root@mysql ~]# yum localinstall mysql-community-client-8.0.16-2.el7.x86_64.rpm mysql-community-server-8.0.16-2.el7.x86_64.rpm mysql-community-libs-8.0.16-2.el7.x86_64.rpm mysql-community-common-8.0.16-2.el7.x86_64.rpm mysql-community-libs-compat-8.0.16-2.el7.x86_64.rpm -y
[root@mysql ~]# systemctl start mysql
[root@mysql ~]# cat /var/log/mysqld.log 
2022-01-28T03:12:56.221405Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: s7mydVxtUk.6
[root@mysql ~]# mysql -uroot -ps7mydVxtUk.6
mysql> alter user 'root'@'localhost' identified by 'Csbu@1234';  #修改密码
Query OK, 0 rows affected (0.14 sec)


#设置一个用户，用来远程连接
mysql> create user 'memcache'@'%' identified by 'Csbu@1234';
Query OK, 0 rows affected (0.34 sec)

mysql> alter user 'memcache'@'%' identified with mysql_native_password by 'Csbu@1234';
Query OK, 0 rows affected (0.15 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

mysql> select user,host,plugin from mysql.user;
+------------------+-----------+-----------------------+
| user             | host      | plugin                |
+------------------+-----------+-----------------------+
| memcache         | %         | mysql_native_password |
| mysql.infoschema | localhost | caching_sha2_password |
| mysql.session    | localhost | caching_sha2_password |
| mysql.sys        | localhost | caching_sha2_password |
| root             | localhost | caching_sha2_password |
+------------------+-----------+-----------------------+
5 rows in set (0.91 sec)

mysql> 
mysql> 
mysql> 
mysql> 
mysql> grant all privileges on *.* to 'memcache'@'%' with grant option;
Query OK, 0 rows affected (1.64 sec)

mysql> flush privileges;
Query OK, 0 rows affected (1.66 sec)

[root@web ~]# vim /var/www/html/index.html
[root@web ~]# cat /var/www/html/index.html 
this is a test from 192.168.10.10.......

[root@web html]# cat index.php 
<?php
phpinfo();
?>　　

[root@web html]# cat mysql.php 
<?php
$link=mysql_connect('192.168.10.11','memcache','Csbu@1234');
if($link) echo "<h1>success!!!</h1>";
else echo "Fail!!!";
mysql_close();
?>

#下载安装包
[root@memcached ~]# wget https://github.com/downloads/libevent/libevent/libevent-2.1.8-stable.tar.gz
[root@memcached ~]# wget http://memcached.org/files/memcached-1.5.12.tar.gz

#安装
[root@memcached ~]# tar xf libevent-2.1.8-stable.tar.gz 
[root@memcached ~]# yum install make gcc gcc-c++ -y
[root@memcached ~]# cd libevent-2.1.8-stable
[root@memcached libevent-2.1.8-stable]# ./configure --prefix=/usr/local/libevent/
[root@memcached libevent-2.1.8-stable]# echo $?
0
[root@memcached libevent-2.1.8-stable]# make && make install
[root@memcached libevent-2.1.8-stable]# echo $?
0
[root@memcached ~]# tar xf memcached-1.5.12.tar.gz 
[root@memcached ~]# cd memcached-1.5.12
[root@memcached memcached-1.5.12]# ./configure --prefix=/usr/local/memcached --with-libevent=/usr/local/libevent/
[root@memcached memcached-1.5.12]# echo $?
0
[root@memcached memcached-1.5.12]# make && make install
[root@memcached memcached-1.5.12]# echo $?
0

#启动memcached
[root@memcached ~]# find / -name memcached
/etc/selinux/targeted/active/modules/100/memcached
/root/memcached-1.5.12/memcached
/usr/local/memcached
/usr/local/memcached/bin/memcached
/usr/local/memcached/include/memcached
[root@memcached ~]# cp /usr/local/memcached/bin/memcached /usr/bin/
[root@memcached ~]# memcached -d -l 0.0.0.0 -p 11211 -u root -m 64 -c 1024 -p /var/run/memcached.pid
[root@memcached ~]# ps -ef | grep memcached
root      15878      1  2 15:37 ?        00:00:00 memcached -d -l 0.0.0.0 -p 11211 -u root -m 64 -c 1024 -p /var/run/memcached.pid
root      15897   7025  0 15:37 pts/0    00:00:00 grep --color=auto memcached　

[root@web html]# vim memcached.php
[root@web html]# 
[root@web html]# cat memcached.php 
<?php
$memcache = new Memcache;
$memcache->connect('192.168.10.12',11211) or die ("Could not connect");  #ip为memcached的服务器地址，11211为memcached的端口
$version = $memcache->getVersion();
echo "Server's version:".$version."<br>";
$tmp_object = new stdClass;
$tmp_object->str_attr = 'test';
$tmp_object->int_attr = 12;
$memcache->set('key',$tmp_object,false,10) or die ("Failed to save data a the server");
echo "Store data in the cache (data will expire in 10 seconds)<br/>";
$get_result = $memcache->get('key');
echo "Data from the cache;<br/>";
var_dump($get_result);
?>　

[root@web html]# vim /etc/php.ini
session.save_handler = memcache  #设置session的存储方式为memcache。默认以文件方式存取session数据。
#如果想使用自定义待得处理来存取session数据，比如memcache方式则修改为session。save_handler=memcache
session.save_path = "tcp://192.168.10.10:11211?persistent=1&weight=1&timeout=1&retry_interval=15" #设置session存储的位置，多台memcache用逗号隔开。　

[root@web html]# vim memcachedcan.php
[root@web html]# cat memcachedcan.php 
<?php
session_start();
if (!isset($_SESSION['session_time']))
{
  $_SESSION['session_time'] = time();
}
echo "session_time:".$_SESSION['session_time']."<br/>";
echo "now_time:".time()."<br/>";
echo "session_id:".session_id()."<br/>";
?>

mysql> create database test;
Query OK, 1 row affected (0.96 sec)

mysql> use test;
Database changed
mysql> create table test01(id int not null auto_increment,name varchar(20) default null,primary key(id)) engine=innodb auto_increment=1 default charset=utf8;
Query OK, 0 rows affected, 1 warning (1.74 sec)

mysql> desc test01;
+-------+-------------+------+-----+---------+----------------+
| Field | Type        | Null | Key | Default | Extra          |
+-------+-------------+------+-----+---------+----------------+
| id    | int(11)     | NO   | PRI | NULL    | auto_increment |
| name  | varchar(20) | YES  |     | NULL    |                |
+-------+-------------+------+-----+---------+----------------+
2 rows in set (0.69 sec)

mysql> insert into test01(name) values ('chu'),('zhang'),('yang'),('xiao'),('chen');
Query OK, 5 rows affected (3.13 sec)
Records: 5  Duplicates: 0  Warnings: 0

mysql> select * from test01;
+----+-------+
| id | name  |
+----+-------+
|  1 | chu   |
|  2 | zhang |
|  3 | yang  |
|  4 | xiao  |
|  5 | chen  |
+----+-------+
5 rows in set (0.09 sec)　

[root@web html]# cat test.php 
<?php
$memcachehost = '192.168.10.12';
$memcacheport = 11211;
$memcachelife = 60;
$memcache = new Memcache;
$memcache->connect($memcachehost,$memcacheport) or die ("Could not connect");
$query="select * from test1 limit 10";
$key=md5($query);
if(!$memcache->get($key))
{
  $conn=mysql_connect("192.168.10.11","memcache","Csbu@1234");
  mysql_select_db(test);
  $result=mysql_query($query);
  while ($row=mysql_fetch_assoc($result))
  {
     $arr[]=$row;
  }
  $f = 'mysql';
  $memcache->add($key,serialize($arr),0,30);
  $data = $arr;
}
else{
  $f = 'memcache';
  $data_mem=$memcache->get($key);
  $data = unserialize($data_mem);
}
echo $f;
echo "<br>";
echo "$key";
echo "<br>"
foreach($data as $a)
{
echo "number is <b><front color=#FF0000>$a[id]</front></b>";
echo "<br>";
echo "name is <b><front color=#FF0000>$a[name]</front><b>";
echo "<br>";
}
?>
[root@web html]#　　

前提：
需要一个已经安装httpd的服务器,且需要安装一个LAMP环境，之前搭建的web服务器即可用

安装：
[root@web ~]# wget http://www.junopen.com/memadmin/memadmin-1.0.12.tar.gz
[root@web ~]# tar xf memadmin-1.0.12.tar.gz 
[root@web ~]# mv memadmin/ /var/www/html/
修改登录密码
[root@localhost memadmin]# vim /var/www/html/memadmin/config.php 
$config['user'] = "admin"; // your username
$config['passwd'] = "admin"; // your password