If you got the following error while making install RVskin:

Can't locate YAML/Syck.pm in @INC (@INC contains: /scripts /root/rvadmin /usr/local/cpanel /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at /usr/local/cpanel/Cpanel/CPAN/YAML/Syck.pm line 8.
BEGIN failed--compilation aborted at /usr/local/cpanel/Cpanel/CPAN/YAML/Syck.pm line 8.
Compilation failed in require at /usr/local/cpanel/Cpanel/CachedDataStore.pm line 12.
BEGIN failed--compilation aborted at /usr/local/cpanel/Cpanel/CachedDataStore.pm line 12.
Compilation failed in require at /root/rvadmin/real_auto_rvskin.pl line 73.
BEGIN failed--compilation aborted at /root/rvadmin/real_auto_rvskin.pl line 73.

You can run this command for the solution:
/scripts/perlinstaller YAML::Syck