/usr/vsa -> /root/site/tools/gauv
/usr/vsa/pkgs/python3/3.6.3a -> 3.6.3

##</code><code>##

ln -snf /root/site/tools/gauv /usr/vsa
ln -snf 3.6.3 /usr/vsa/pkgs/python3/3.6.3a
ln -snf 3.6.3 /root/site/tools/gauv/pkgs/python3/3.6.3a

##</code><code>##

ln: failed to create symbolic link '/usr/vsa/pkgs/python3/3.6.3a': No such file or directory which is correct