在虚拟机安装xtrabackup工具时候出现的报错：
libz.so.1: cannot open shared object file: No such file or directory
[root@back lib]# find / -name libz.so.1
/usr/local/lib/libz.so.1
/lib64/libz.so.1
[root@back lib]# rm -rf /lib64/libz.so.1
[root@back lib]# ln -s /usr/local/lib/libz.so.1 /lib64/libz.so.1
新闻名称：libz.so.1:cannotopensharedobjectfile:Nosuchfileordirectory
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