启动memcache的时候，报如下错误：

#/usr/local/bin/memcached -d -m 100 -p 11211 -u nobody -c 65535

/usr/local/bin/memcached: error while loading shared libraries: libevent-2.0.so.5: cannot open shared object file: No such file or directory


查看是否已安装libevent

#locate libevent-2.0.so.5

/home/lynn/libevent-2.0.10-stable/.libs/libevent-2.0.so.5

/home/lynn/libevent-2.0.10-stable/.libs/libevent-2.0.so.5.0.1

/root/libevent-2.0.10-stable/.libs/libevent-2.0.so.5

/usr/local/lib/libevent-2.0.so.5

/usr/local/lib/libevent-2.0.so.5.0.1


# uname -a

Linux localhost.localdomain 2.6.32-279.el6.x86_64 #1 SMP Fri Jun 22 12:19:21 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

64位的系统，在相应的路径上查找不到文件，需要做个软链


ldd /usr/local/bin/memcached

       linux-vdso.so.1 =>  (0x00007fff6611e000)

libevent-2.0.so.5 => not found     #查找不到该文件

       libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f228c5ff000)

       libc.so.6 => /lib64/libc.so.6 (0x00007f228c26d000)

       /lib64/ld-linux-x86-64.so.2 (0x00007f228c82d000)


#ln -s /usr/local/lib/libevent-2.0.so.5 /lib64/libevent-2.0.so.5

#ldd /usr/local/bin/memcached                                  

       linux-vdso.so.1 =>  (0x00007fff8e9ff000)

libevent-2.0.so.5 => /lib64/libevent-2.0.so.5 (0x00007fe494e34000)

       libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fe494c17000)

       libc.so.6 => /lib64/libc.so.6 (0x00007fe494884000)

       librt.so.1 => /lib64/librt.so.1 (0x00007fe49467c000)

       /lib64/ld-linux-x86-64.so.2 (0x00007fe495087000)


ok，重新启动memcache