Hi, I am also getting same error even after: 1) yum -y install perl-CPAN cpan Nagios::Config 2) perl -MCPAN -e shell install Nagios::Config checking required PERL modules Carp...1.11 CGI...3.51 Data::Dumper...2.124 Digest::MD5...2.39 File::Basename...2.77 File::Find...1.14 MIME::Base64...3.08 POSIX....