FreeBSD
cd /usr/ports/converters/p5-JSON && make && make install clean
Ubuntu
apt-get install libhttp-browserdetect-perl
CentOS
version: 6.6
yum install perl-http-browserdetect
Alt Linux
apt-get install perl-http-browserdetect
Установка с CPAN
perl -MCPAN -e shell install HTTP::BrowserDetect