[root@localhost mydumper-0.6.2]# mydumper --help mydumper: error while loading shared libraries: libmysqlclient.so.18: cannot open shared object file: No such file or directory
解决办法：
[root@localhost mydumper-0.6.2]# ldd /usr/local/bin/mydumper
linux-gate.so.1 => (0x00f91000)
libmysqlclient.so.18 => not found
libpthread.so.0 => /lib/libpthread.so.0 (0x006fc000)
libm.so.6 => /lib/libm.so.6 (0x0072b000)
librt.so.1 => /lib/librt.so.1 (0x00720000)
libdl.so.2 => /lib/libdl.so.2 (0x00719000)
libglib-2.0.so.0 => /lib/libglib-2.0.so.0 (0x00757000)
libgthread-2.0.so.0 => /lib/libgthread-2.0.so.0 (0x00918000)
libpcre.so.0 => /lib/libpcre.so.0 (0x021a8000)
libz.so.1 => /lib/libz.so.1 (0x002ea000)
libc.so.6 => /lib/libc.so.6 (0x00564000)
/lib/ld-linux.so.2 (0x0053e000)
[root@localhost mydumper-0.6.2]# LD_DEBUG=libs /usr/local/bin/mydumper -v
2707: find library=libmysqlclient.so.18 [0]; searching
2707: search cache=/etc/ld.so.cache
2707: search path=/lib/tls/i686/sse2:/lib/tls/i686:/lib/tls/sse2:/lib/tls:/lib/i686/sse2:/lib/i686:/lib/sse2:/lib:/usr/lib/tls /i686/sse2:/usr/lib/tls/i686:/usr/lib/tls/sse2:/usr/lib/tls:/usr/lib/i686/sse2:/usr/lib/i686:/usr/lib/sse2:/usr/lib (system s earch path)
2707: trying file=/lib/tls/i686/sse2/libmysqlclient.so.18
2707: trying file=/lib/tls/i686/libmysqlclient.so.18
2707: trying file=/lib/tls/sse2/libmysqlclient.so.18
2707: trying file=/lib/tls/libmysqlclient.so.18
2707: trying file=/lib/i686/sse2/libmysqlclient.so.18
2707: trying file=/lib/i686/libmysqlclient.so.18
2707: trying file=/lib/sse2/libmysqlclient.so.18
2707: trying file=/lib/libmysqlclient.so.18
2707: trying file=/usr/lib/tls/i686/sse2/libmysqlclient.so.18
2707: trying file=/usr/lib/tls/i686/libmysqlclient.so.18
2707: trying file=/usr/lib/tls/sse2/libmysqlclient.so.18
2707: trying file=/usr/lib/tls/libmysqlclient.so.18
2707: trying file=/usr/lib/i686/sse2/libmysqlclient.so.18
2707: trying file=/usr/lib/i686/libmysqlclient.so.18
2707: trying file=/usr/lib/sse2/libmysqlclient.so.18
2707: trying file=/usr/lib/libmysqlclient.so.18
没有找到 libmysqlclient.so.18
[root@localhost mydumper-0.6.2]# locate libmysqlclient.so.18 /usr/local/mysql-5.6.26-linux-glibc2.5-i686/lib/libmysqlclient.so.18 /usr/local/mysql-5.6.26-linux-glibc2.5-i686/lib/libmysqlclient.so.18.1.0 [root@localhost mydumper-0.6.2]# ll /usr/local/mysql-5.6.26-linux-glibc2.5-i686/lib/libmysqlclient.so.18 lrwxrwxrwx. 1 root mysql 24 Aug 13 14:18 /usr/local/mysql-5.6.26-linux-glibc2.5-i686/lib/libmysqlclient.so.18 -> libmysqlclient.so.18.1.0
然后将 /usr/local/mysql-5.6.26-linux-glibc2.5-i686/lib/libmysqlclient.so.18.1.0 复制到 /usr/lib/ 木下：
[root@localhost mydumper-0.6.2]# cp /usr/local/mysql-5.6.26-linux-glibc2.5-i686/lib/libmysqlclient.so.18.1.0 /usr/lib/libmysqlclient.so.18
[root@localhost mydumper-0.6.2]# ldd /usr/local/bin/mydumper linux-gate.so.1 => (0x00805000)
libmysqlclient.so.18 => /usr/lib/libmysqlclient.so.18 (0x0019f000)
libpthread.so.0 => /lib/libpthread.so.0 (0x006fc000)
libm.so.6 => /lib/libm.so.6 (0x0072b000)
librt.so.1 => /lib/librt.so.1 (0x00720000)
libdl.so.2 => /lib/libdl.so.2 (0x00719000)
libglib-2.0.so.0 => /lib/libglib-2.0.so.0 (0x0055e000)
libgthread-2.0.so.0 => /lib/libgthread-2.0.so.0 (0x00918000)
libpcre.so.0 => /lib/libpcre.so.0 (0x021a8000)
libz.so.1 => /lib/libz.so.1 (0x0067b000)
libc.so.6 => /lib/libc.so.6 (0x0091d000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x07b14000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x0068f000)
/lib/ld-linux.so.2 (0x0053e000)
测试：
[root@localhost mydumper-0.6.2]# mydumper --help
Usage:
mydumper [OPTION...] multi-threaded MySQL dumping
Help Options:
-?, --help Show help options