1. The Linux journal-www.linuxjournal.com
2. Linux Magazine–www.linux-mag.com & its namesake  http://www.linux-magazine.com/
3.Linux Format–http://www.linuxformat.co.uk/ ; TuxRadar–http://www.tuxradar.com/
4.Linux User & Developer–http://www.linuxuser.co.uk/
5.Full Circle Magazine–http://fullcirclemagazine.org/