memcached在linux上的安裝方法

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1、memcached的官網地址：http://memcached.org/
在官網上面下載最新的版本（當前是memcached-1.4.22.tar.gz）
2、Libevent的官網地址：http://www.monkey.org/~provos/libevent/
目前的版本是libevent-2.0.21-stable.tar.gz

libevent 是安裝 memcached 的唯一前提條件。它是 memcached 所依賴的異步事件通知庫。

安裝的方法：

1.分別把memcached和libevent下載回來，放到 /tmp 目錄下：
2.先安裝libevent：
# tar zxvf libevent-2.0.21-stable.tar.gz
# cd libevent-2.0.21-stable
# ./configure cprefix=/usr
# make
# make install

3.測試libevent是否安裝成功：
# ls -al /usr/local/lib|grep libevent
lrwxrwxrwx 1 root root 21 Jan 6 01:44 libevent-2.0.so.5 -> libevent-2.0.so.5.1.9
-rwxr-xr-x 1 root root 968674 Jan 6 01:44 libevent-2.0.so.5.1.9
-rw-r--r-- 1 root root 1571578 Jan 6 01:44 libevent.a
lrwxrwxrwx 1 root root 26 Jan 6 01:44 libevent_core-2.0.so.5 -> libevent_core-2.0.so.5.1.9
-rwxr-xr-x 1 root root 585217 Jan 6 01:44 libevent_core-2.0.so.5.1.9
-rw-r--r-- 1 root root 978306 Jan 6 01:44 libevent_core.a
-rwxr-xr-x 1 root root 976 Jan 6 01:44 libevent_core.la
lrwxrwxrwx 1 root root 26 Jan 6 01:44 libevent_core.so -> libevent_core-2.0.so.5.1.9
lrwxrwxrwx 1 root root 27 Jan 6 01:44 libevent_extra-2.0.so.5 -> libevent_extra-2.0.so.5.1.9
-rwxr-xr-x 1 root root 404844 Jan 6 01:44 libevent_extra-2.0.so.5.1.9
-rw-r--r-- 1 root root 593344 Jan 6 01:44 libevent_extra.a
-rwxr-xr-x 1 root root 983 Jan 6 01:44 libevent_extra.la
lrwxrwxrwx 1 root root 27 Jan 6 01:44 libevent_extra.so -> libevent_extra-2.0.so.5.1.9
-rwxr-xr-x 1 root root 941 Jan 6 01:44 libevent.la
lrwxrwxrwx 1 root root 29 Jan 6 01:44 libevent_openssl-2.0.so.5 -> libevent_openssl-2.0.so.5.1.9
-rwxr-xr-x 1 root root 94265 Jan 6 01:44 libevent_openssl-2.0.so.5.1.9
-rw-r--r-- 1 root root 131908 Jan 6 01:44 libevent_openssl.a
-rwxr-xr-x 1 root root 1012 Jan 6 01:44 libevent_openssl.la
lrwxrwxrwx 1 root root 29 Jan 6 01:44 libevent_openssl.so -> libevent_openssl-2.0.so.5.1.9
lrwxrwxrwx 1 root root 30 Jan 6 01:44 libevent_pthreads-2.0.so.5 -> libevent_pthreads-2.0.so.5.1.9
-rwxr-xr-x 1 root root 18422 Jan 6 01:44 libevent_pthreads-2.0.so.5.1.9
-rw-r--r-- 1 root root 18662 Jan 6 01:44 libevent_pthreads.a
-rwxr-xr-x 1 root root 1004 Jan 6 01:44 libevent_pthreads.la
lrwxrwxrwx 1 root root 30 Jan 6 01:44 libevent_pthreads.so -> libevent_pthreads-2.0.so.5.1.9
lrwxrwxrwx 1 root root 21 Jan 6 01:44 libevent.so -> libevent-2.0.so.5.1.9

還不錯，都安裝上了。

4.安裝memcached，同時需要安裝中指定libevent的安裝位置：
# cd /tmp
# tar zxvf memcached-1.4.22.tar.gz
# cd memcached-1.4.22
# ./configure -with-libevent=/usr/local/
# make
# make install
如果中間出現報錯，請仔細檢查錯誤信息，按照錯誤信息來配置或者增加相應的庫或者路徑。
安裝完成後會把memcached放到 /usr/local/bin/memcached ，

5.測試是否成功安裝memcached：
# ls -al /usr/local/bin/mem*
-rwxr-xr-x 1 root root 341882 Jan 6 01:14 /usr/local/bin/memcached

6.啓動Memcached服務：
1.啓動Memcache的服務器端：
# /usr/local/bin/memcached -d -m 10 -u root -l 192.168.11.50 -p 12000 -c 256 -P /tmp/memcached.pid
7.測試
# telnet 192.168.11.50 12000
Trying 192.168.11.50...
Connected to 192.168.11.50.
Escape character is '^]'.
set key1 0 60 4
zhou
STORED
get key1
VALUE key1 0 4
zhou
END