报错信息如下：
grep: error while loading shared libraries: libunwind.so.8: cannot open shared object file: No such file or directory
Please run using "bash" or "sh", but not "." or "source"\nAnaconda3-5.1.0-Linux-x86_64.sh: line 14: return: can only `return' from a function or sourced script
dirname: error while loading shared libraries: libunwind.so.8: cannot open shared object file: No such file or directory
basename: error while loading shared libraries: libunwind.so.8: cannot open shared object file: No such file or directory
WARNING: bzip2 does not appear to be installed this may cause problems below
wc: error while loading shared libraries: libunwind.so.8: cannot open shared object file: No such file or directory
grep: error while loading shared libraries: libunwind.so.8: cannot open shared object file: No such file or directory
ERROR: size of should be 577996269 bytes
解决办法：
前往http://rpmfind.net/linux/rpm2html/search.php?query=libunwind.so.8()(64bit)
下载http://rpmfind.net/linux/centos/7.5.1804/os/x86_64/Packages/libunwind-1.2-2.el7.x86_64.rpm
然后安装即可rpm -ivh libunwind-1.2-2.el7.x86_64.rpm