How to check and install missing perl modules...

* Check if module is installed. Errors mean missing module.

# perl -MModule::Name -e 1

* See documentation of the module if installed.

# perldoc Module::Name

* Open CPAN shell:

# perl -MCPAN -e shell

* To reconfigure the shell if needed.

cpan>o conf init

* Install an available module.

cpan> install Module::Name

* Force install if test fails.

cpan> force install Module::Name

* To manual install perl modules.

# perl Makefile.PL
# make
# make test
# make install