“Can't locate Net/SNMP.pm in @INC..”

【转载】

1) By CPAN (best)
   on command line, as root : 
          
   [your_host]# perl -MCPAN -e shell
   cpan shell -- CPAN exploration and modules installation (v1.76)
   ReadLine support enabled
   cpan> install Net::SNMP
            
   If it's the first time you run CPAN, it will probably ask you some (simple) questions.
   CPAN will also ask you to satisfy some dependencies               (Crypt::DES, Digest::MD5, etc..).
   2) "By hand"
            
   Get the folowings modules (tar.gz format) on 
     - Crypt::DES
     - Digest::MD5
     - Digest::SHA1
     - Digest::HMAC
     - Net::SNMP
              
   for each one (you must install Net::SNMP at the end) : 
   tar zxf .tar.gz
   cd
   perl Makefile.pl
   make test