Howto 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