Subreddits similar to r/linux

r/archlinux

100k subs

For users of the much loved Linux distro, Arch Linux.
https://reddit.com/r/archlinux/

r/Ubuntu

124k subs

The Ubuntu community on Reddit
https://reddit.com/r/Ubuntu/

r/linuxquestions

107k subs

https://reddit.com/r/linuxquestions/

r/linux_gaming

110k subs

A subreddit for gaming on the GNU/Linux operating system.
https://reddit.com/r/linux_gaming/

r/linux4noobs

133k subs

Linux introductions, tips and tutorials. Questions are encouraged. Any distro, any platform! Explicitly noob-friendly.
https://reddit.com/r/linux4noobs/

r/programming

2m subs

Computer Programming
https://reddit.com/r/programming/

r/unixporn

182k subs

Submit screenshots of all your *NIX desktops, themes, and nifty configurations, or submit anything else that will make ricers happy. Maybe a server running on an Amiga, or a thinkpad signed by Bjarne Stroustrup? Show the world how sexy your computer can be!
https://reddit.com/r/unixporn/

r/linuxmasterrace

146k subs

A subreddit for Linux enthusiasts.
https://reddit.com/r/linuxmasterrace/

r/netsec

327k subs

A community for technical news and discussion of information security and closely related topics.
https://reddit.com/r/netsec/

r/linuxadmin

134k subs

Expanding Linux SysAdmin knowledge
https://reddit.com/r/linuxadmin/

r/opensource

89k subs

A subreddit for everything [open source](http://en.wikipedia.org/wiki/Open_source) related.
https://reddit.com/r/opensource/

r/debian

33k subs

https://reddit.com/r/debian/

r/kde

31k subs

KDE is an international technology team creating user-friendly free and open source software for desktop and portable computing. KDE's software runs on GNU/Linux, BSD and other operating systems, including Windows.
https://reddit.com/r/kde/

r/vim

87k subs

For Vim enthusiasts and anyone interested in Vim.
https://reddit.com/r/vim/

r/sysadmin

374k subs

A reddit dedicated to the profession of Computer System Administration.
https://reddit.com/r/sysadmin/

r/commandline

46k subs

This is for anything regarding the command line, in any operating system. All questions (including dumb ones), tips, and interesting programs/console applications you've found or made yourself are welcome. Linux / BSD / OSX / Windows CLI apps or questions or comments, we're happy to take them all!
https://reddit.com/r/commandline/

r/geek

573k subs

Geeky things
https://reddit.com/r/geek/

r/Fedora

25k subs

A community for users, developers and people interested in the Fedora Project and news and information about it.
https://reddit.com/r/Fedora/

r/Python

419k subs

news about the dynamic, interpreted, interactive, object-oriented, extensible programming language Python
https://reddit.com/r/Python/

r/compsci

618k subs

Computer Science Theory and Application. We share and discuss any content that computer scientists find interesting. People from all walks of life welcome, including hackers, hobbyists, professionals, and academics.
https://reddit.com/r/compsci/

r/reddit.com

818k subs

The original subreddit, now archived.
https://reddit.com/r/reddit.com/

r/LinuxActionShow

12k subs

Linux Action Show is the world's largest and longest running Linux-based podcast. Jupiter Broadcasting is the home of many fantastic online shows. Like Linux Action Show, Coder Radio, Linux Unplugged, TechSNAP, Unfilter, SciByte, FauxShow & more!
https://reddit.com/r/LinuxActionShow/

r/gnome

25k subs

The GNOME Project is a free and open source desktop and computing platform for GNU/Linux based operating systems that strives to be an easy and elegant way to use your computer. GNOME software is developed openly and ethically by both individual contributors and corporate partners, and is distributed under the GNU General Public License.
https://reddit.com/r/gnome/

r/linuxmint

33k subs

News, Discussion, and Support for Linux Mint The Linux Mint Subreddit: for news, discussion and support for the Linux distribution Linux Mint.
https://reddit.com/r/linuxmint/

r/emacs

33k subs

The extensible, customizable, self-documenting real-time display editor.
https://reddit.com/r/emacs/

r/promos

12k subs

https://reddit.com/r/promos/

r/linuxmemes

31k subs

https://reddit.com/r/linuxmemes/

r/networking

182k subs

###Enterprise Networking Routers, switches and firewalls. Network blogs, news and network management articles. Cisco, Juniper, Brocade and more all welcome.
https://reddit.com/r/networking/

r/raspberry_pi

2m subs

A subreddit for discussing the Raspberry Pi ARM computer and all things related to it.
https://reddit.com/r/raspberry_pi/

r/talesfromtechsupport

607k subs

Welcome to **Tales From Tech Support**, where we share our stories of: * *Incredible Feats* of Networking Heroics; * *Tech Troubleshooting* Under the Direst Circumstances; * *Unsolvable Problems* Cracked by Sheer Genius and/or Pure Luck; * *Moral Support* after Having Dealt with Difficult Clients; * And of course, **Stupid User Stories!** We've got a bit of a lull in the queue just now, so kick back, grab a cold one, and share your best tales among friends here at TFTS!
https://reddit.com/r/talesfromtechsupport/