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1.检查memcached是否正常运行
#ps aux | grep memcached #或者 #telnet localhost 11211
会显示memcached的基本信息
# whereis libevent #提示 libevent-2.0.so.5: /usr/local/lib/libevent-2.0.so.5
3、再看memcached 从哪里找它
> ldd /usr/local/bin/memcached （ldd指令不熟悉的去查看下）
#提示
libevent-2.0.so.5 => not found （没有找到该文件）
libpthread.so.0 => /lib64/libpthread.so.0 (0x00002b83fce0e000)
libc.so.6 => /lib64/libc.so.6 (0x00002b83fd029000)
librt.so.1 => /lib64/librt.so.1 (0x00002b83fd381000)
/lib64/ld-linux-x86-64.so.2 (0x00002b83fc9b0000)
> LD_DEBUG=libs ./memcached -v #找到默认路径 /usr/lib/ >sudo ln -s /usr/lib/libevent-2.0.so.5 /usr/lib64/libevent-2.0.so.5 >sudo ldd /usr/local/bin/memcached #提示 libevent-2.0.so.5 => /usr/lib64/libevent-2.0.so.5 (0x00002b83fcbcd000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00002b83fce0e000) libc.so.6 => /lib64/libc.so.6 (0x00002b83fd029000) librt.so.1 => /lib64/librt.so.1 (0x00002b83fd381000) /lib64/ld-linux-x86-64.so.2 (0x00002b83fc9b0000)
memcached: error while loading shared libraries: libevent-2.0.so.5: cannot o解决
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原文地址：http://www.cnblogs.com/isum/p/4720580.html
