Install Perl from source

 cd /opt

 wget http://www.cpan.org/src/5.0/perl-5.14.2.tar.gz

 tar -zxf perl-5.14.2.tar.gz

 cd perl-5.14.2

 ./Configure -h

 ./Configure -Dusethreads -Dprefix=/usr

 make

 make test

 make install

 perl -V

 which perl 

To see the status of perl installation 

make install > install.log

To install Perl modules using CPAN:

perl -MCPAN -e shell

Then install lets say if we want to install BioGraphics module.

install Bio::Graphics

Usefull command for test running jobs

fg - run jobs in the foreground

May be you will need to install following dependencies

sudo apt-get install libreadline-dev