1、安装libevent（下载地址：http://libevent.org/）

 
    
     
         
  1. wget http://cloud.github.com/downloads/libevent/libevent/libevent-2.0.19-stable.tar.gz 
    2.  
         
  2. tar zxvf libevent-2.0.19-stable.tar.gz 
    3.  
         
  3. cd libevent-2.0.19-stable 
    4.  
         
  4. ./configure 
    5.  
         
  5. make && make install 
    6.  
        
 
    
2、安装memcache（下载地址：http://memcached.org/）
 
    
 
    
     
         
  1. wget http://memcached.googlecode.com/files/memcached-1.4.13.tar.gz 
    2.  
         
  2. tar zxvf memcached-1.4.13.tar.gz 
    3.  
         
  3. cd memcached-1.4.13 
    4.  
         
  4. ./configure --prefix=/usr/local/memcached
    5.  
         
  5. make && make install 
    6.  
        
 
    
3、创建启动文件
 
    
vim /etc/init.d/memcached
 
    
 
    
     
         
  1. #!/bin/sh 
    2.  
         
  2. # 
    3.  
         
  3. # memcached: MemCached Daemon 
    4.  
         
  4. # 
    5.  
         
  5. # chkconfig: 3 90 25 
    6.  
         
  6. # description: MemCached Daemon 
    7.  
         
  7. # 
    8.  
         
  8. # Source function library. 
    9.  
         
  9. . /etc/rc.d/init.d/functions 
    10.  
         
  10. . /etc/sysconfig/network 
    11.  
         
  11. #[ ${NETWORKING} = "no" ] && exit 0 
    12.  
         
  12. #[ -r /etc/sysconfig/dund ] || exit 0 
    13.  
         
  13. #. /etc/sysconfig/dund 
    14.  
         
  14. #[ -z "$DUNDARGS" ] && exit 0 
    15.  
         
  15. start() 
    16.  
         
  16. { 
    17.  
         
  17. echo -n $"Starting memcached: "
    18.  
         
  18. daemon $MEMCACHED -u daemon -d -m 128 -l 192.168.2.111 -p 11211
    19.  
         
  19. echo 
    20.  
         
  20. } 
    21.  
         
  21. stop() 
    22.  
         
  22. { 
    23.  
         
  23. echo -n $"Shutting down memcached: "
    24.  
         
  24. killproc memcached 
    25.  
         
  25. echo  
    26.  
         
  26. } 
    27.  
         
  27. MEMCACHED="/usr/local/memcached/bin/memcached"
    28.  
         
  28. [ -f $MEMCACHED ] || exit 1 
    29.  
         
  29. # See how we were called. 
    30.  
         
  30. case"$1"in
    31.  
         
  31. start) 
    32.  
         
  32. start 
    33.  
         
  33. ;; 
    34.  
         
  34. stop) 
    35.  
         
  35. stop 
    36.  
         
  36. ;; 
    37.  
         
  37. restart) 
    38.  
         
  38. stop 
    39.  
         
  39. sleep 3 
    40.  
         
  40. start 
    41.  
         
  41. ;; 
    42.  
         
  42. *) 
    43.  
         
  43. echo $"Usage: $0 {start|stop|restart}"
    44.  
         
  44. exit 1 
    45.  
         
  45. esac  
    46.  
         
  46. exit 0 
    47.  
        
 
    
 
    
添加执行权限：
 
    
chmod 700 /etc/init.d/memcached
 
    
启动：
 
    
 
    
     
         
  1. [root@localhost ~]# service memcached start 
    2.  
         
  2. Starting memcached:                                        [  OK  ] 
    3.  
        
 
    
注：第一次启动时报错：
 
    
error while loading shared libraries: libevent-2.0.so.5: cannot open shared object file: No such file or directory
 
    
解决：ln -s /usr/local/lib/libevent-2.0.so.5 /usr/lib64/(因为我使用的64系统)
 
    
 
    
查看端口是否保在侦听状态：
 
    
 
    
     
         
  1. [root@localhost ~]# netstat -ntlp | grep mem 
    2.  
         
  2. tcp        0      0 192.168.2.111:11211         0.0.0.0:*                   LISTEN      22428/memcached 
    3.  
        
 
    
添加开机启动：
 
    
chkconfig --add memcached
 
    
查看是否设置成功：
 
    
chkconfig --list |  grep memcached
 
    
4、php安装memcahce modules（下载地址：http://pecl.php.net/package/memcache）
 
    
 
    
     
         
  1. wget http://pecl.php.net/get/memcache-3.0.6.tgz 
    2.  
         
  2. tar zxvf memcache-3.0.6.tgz  
    3.  
         
  3. cd memcache-3.0.6 
    4.  
         
  4. phpize 
    5.  
         
  5. ./configure --enable-memcache --with-php-config=/usr/local/php/bin/php-config
    6.  
         
  6. make && make install 
    7.  
        
 
    
5、编辑php.ini
 
    
 
    
 
    
     
         
  1. extension=memcache.so 
    2.  
         
  2. extension_dir = "/usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/"
    3.  
         
  3. memcache.allow_failover = 1 
    4.  
         
  4. memcache.max_failover_attempts = 20 
    5.  
         
  5. memcache.chunk_size = 8192 
    6.  
         
  6. memcache.default_port = 11211 
    7.  
         
  7. session.save_handler = memcache 
    8.  
         
  8. session.save_path = "tcp://192.168.2.111:11211"
    9.  
        
 
    
 
    
     
         
  1. 注：
    2.  
         
  2. extension=memcache.so --添加 
    3.  
         
  3. extension_dir = "/usr/local/php/lib/php/extensions/no-debug-non-zts-20060613/"--修改
    4.  
         
  4. memcache.allow_failover = 1 --添加 
    5.  
         
  5. memcache.max_failover_attempts = 20 --添加 
    6.  
         
  6. memcache.chunk_size = 8192 --添加 
    7.  
         
  7. memcache.default_port = 11211 --添加 
    8.  
         
  8. session.save_handler = memcache --修改
    9.  
         
  9. session.save_path = "tcp://192.168.2.111:11211" --添加，本测试memcache和apache都在一个服务器上，这个根据实际需要设置地址。
    10.  
        
 
    
配置完成
 
    
重启apache
 
    
6、新建一个php测试脚本，供客户端浏览器访问测试
 
    
vi /usr/local/apache/htdocs/test.php
 
    
 
    
     
         
  1. <?php 
    2.  
         
  2. session_start(); 
    3.  
         
  3. if($_GET['act']=='write') 
    4.  
         
  4. $_SESSION['name']='0009847'; 
    5.  
         
  5. elseif($_GET['act']=='read') 
    6.  
         
  6. var_dump($_SESSION); 
    7.  
         
  7. else
    8.  
         
  8. echo 'invalid argument'; 
    9.  
         
  9. ?> 
    10.  
        
 
    
访问http://192.168.2.111/test.php?act=write再访问http://192.168.2.111/test.php?act=read
 
    
结果：array(1) {   ["name"]=>   string(7) "0009847" }
 
    
 
    
查看phpinfo:
 
    
 
    
（完成）