小白求助wdcp无法安装memcached

执行安装命令出现这样的情况，怎么办？是谷歌被屏蔽的原因还是文件不存在？

[root@AY14071718Z ~]# wget -c http://www.yywu.cn/memcached/memcached_ins.sh
--2014-09-13 18:28:24--  http://www.yywu.cn/memcached/memcached_ins.sh
Resolving www.yywu.cn... 119.188.35.22, 119.188.35.15
Connecting to www.yywu.cn|119.188.35.22|:80... connected.
HTTP request sent, awaiting response... 416 Requested Range Not Satisfiable

    The file is already fully retrieved; nothing to do.

[root@AY14071718Z ~]# sh memcached_ins.sh
Select php version:
    1 php-5.2.17 (default)
    2 php-5.3.27

Please Input 1,2: 2

Loaded plugins: security
Setting up Install Process
Package zlib-devel-1.2.3-29.el6.i686 already installed and latest version
Nothing to do
--2014-09-13 18:28:39--  https://github.com/downloads/libevent/libevent/libevent-1.4.14b-stable.tar.gz
Resolving github.com... 192.30.252.128
Connecting to github.com|192.30.252.128|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://cloud.github.com/downloads/libevent/libevent/libevent-1.4.14b-stable.tar.gz [following]
--2014-09-13 18:28:40--  https://cloud.github.com/downloads/libevent/libevent/libevent-1.4.14b-stable.tar.gz
Resolving cloud.github.com... 54.230.125.207, 54.230.126.47, 54.230.126.88, ...
Connecting to cloud.github.com|54.230.125.207|:443... connected.
OpenSSL: error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure
Unable to establish SSL connection.
--2014-09-13 18:28:40--  http://memcached.googlecode.com/files/memcached-1.4.15.tar.gz
Resolving memcached.googlecode.com... 173.194.72.82, 2404:6800:4008:c01::52
Connecting to memcached.googlecode.com|173.194.72.82|:80... failed: Connection timed out.
Connecting to memcached.googlecode.com|2404:6800:4008:c01::52|:80... failed: Address family not supported by protocol.
--2014-09-13 18:29:43--  http://pecl.php.net/get/memcache-2.2.7.tgz
Resolving pecl.php.net... 76.75.200.106
Connecting to pecl.php.net|76.75.200.106|:80... connected.
HTTP request sent, awaiting response... 200 OK

    The file is already fully retrieved; nothing to do.

tar: libevent-1.4.14b-stable.tar.gz: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
memcached_ins.sh: line 35: cd: libevent-1.4.14b-stable: No such file or directory
memcached_ins.sh: line 36: ./configure: No such file or directory
make: *** No targets specified and no makefile found.  Stop.