Posted by ravas on
URL: https://forum.librecad.org/2-1-0-Released-tp5713850p5713906.html

sudo add-apt-repository ppa:librecad-dev/librecad-daily

http://linux.about.com/od/commands/l/blcmdl8_sudo.htm

http://manpages.ubuntu.com/manpages/trusty/man1/add-apt-repository.1.html

Note I don't have any experience with that system.