Upgrade all perl modules via CPAN

cpan -r
or
perl -MCPAN -e 'CPAN::Shell->install(CPAN::Shell->r)'

perl – uninstall module

perl -MCPAN -e shell
install CPANPLUS
exit

perl -MCPANPLUS -e shell
help
[General]
h | ? # display help
q # exit
v # version information
[Search]
a AUTHOR … # search by author(s)
m MODULE … # search by module(s)
f MODULE … # list all releases of a module
o [ MODULE … ] # list installed module(s) that aren’t up to date
w # display the result of your last search again
[Operations]
i MODULE | NUMBER … # install module(s), by name or by search number
i URI | … # install module(s), by URI (ie http://foo.com/X.tgz)
t MODULE | NUMBER … # test module(s), by name or by search number
u MODULE | NUMBER … # uninstall module(s), by name or by search number
d MODULE | NUMBER … # download module(s)
l MODULE | NUMBER … # display detailed information about module(s)
r MODULE | NUMBER … # display README files of module(s)
c MODULE | NUMBER … # check for module report(s) from cpan-testers
z MODULE | NUMBER … # extract module(s) and open command prompt in it
[Local Administration]
b # write a bundle file for your configuration
s program [OPT VALUE] # set program locations for this session
s conf [OPT VALUE] # set config options for this session
s mirrors # show currently selected mirrors