Subreddits similar to r/sysadmin

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/PowerShell

102k subs

Windows PowerShell (POSH) is a command-line shell and associated scripting language created by Microsoft. Offering full access to COM, WMI and .NET, POSH is a full-featured task automation framework for distributed Microsoft platforms and solutions.
https://reddit.com/r/PowerShell/

r/linuxadmin

134k subs

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

r/vmware

80k subs

The un-official VMware Reddit.
https://reddit.com/r/vmware/

r/homelab

213k subs

Welcome to your friendly /r/homelab, where techies and sysadmin from everywhere are welcome to share their labs, projects, builds, etc.
https://reddit.com/r/homelab/

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/

r/netsec

327k subs

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

r/msp

49k subs

Resource for IT Managed Services Providers
https://reddit.com/r/msp/

r/linux

423k subs

All things Linux and GNU/Linux -- this is neither a community exclusively about the kernel Linux, nor is exclusively about the GNU operating system.
https://reddit.com/r/linux/

r/ITCareerQuestions

89k subs

This subreddit is designed to help anyone in or interested in the IT field to ask career-related questions.
https://reddit.com/r/ITCareerQuestions/

r/devops

112k subs

https://reddit.com/r/devops/

r/programming

2m subs

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

r/SCCM

28k subs

All things System Center Configuration Manager...
https://reddit.com/r/SCCM/

r/AskNetsec

91k subs

https://reddit.com/r/AskNetsec/

r/Office365

20k subs

A vast community of Microsoft Office365 users that are working together to support the product and others.
https://reddit.com/r/Office365/

r/Ubiquiti

43k subs

This is an unofficial community-led place to discuss all of Ubiquiti's products, such as the EdgeRouter, Unifi, AirFiber, etc.
https://reddit.com/r/Ubiquiti/

r/linuxquestions

107k subs

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

r/techsupportgore

367k subs

You will cringe to the brink of passing out after a few minutes looking at this subreddit.
https://reddit.com/r/techsupportgore/

r/iiiiiiitttttttttttt

132k subs

Tired of stupid customers? Having to deal with constant computer frustrations at work? Another virus ruining a perfect day? Having to fix incredibly-crafted spaghetti code in Visual Basic? Your database system was destroyed by an idiot coworker turning off the computer? Vent out here at iiiiiiitttttttttttt (i7t12), a subreddit dedicated specifically for Information Technology rage comics! (Limit two le's per customer)
https://reddit.com/r/iiiiiiitttttttttttt/

r/DataHoarder

162k subs

This is a sub that aims at bringing data hoarders together to share their passion with like minded people.
https://reddit.com/r/DataHoarder/

r/ccna

57k subs

https://reddit.com/r/ccna/

r/geek

573k subs

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

r/reddit.com

818k subs

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

r/PFSENSE

34k subs

The pfSense® project is a powerful open source firewall and routing platform based on FreeBSD. Developed and maintaned by Netgate.
https://reddit.com/r/PFSENSE/

r/Cisco

29k subs

https://reddit.com/r/Cisco/

r/exchangeserver

15k subs

Microsoft Exchange Server subreddit. Post blog posts you like, KB's you wrote or ask a question. Open forum for Exchange Administrators / Engineers / Architects and everyone to get along and ask questions.
https://reddit.com/r/exchangeserver/

r/cableporn

189k subs

https://reddit.com/r/cableporn/

r/Android

2m subs

Android news, reviews, tips, and discussions about rooting, tutorials, and apps. Generic discussion about phones/tablets is allowed, but technical-support and carrier-related issues should be asked in their respective subreddits!
https://reddit.com/r/Android/

r/windows

111k subs

Windows is a personal computer operating system released by Microsoft as part of the Windows NT family of operating systems.
https://reddit.com/r/windows/

r/techsupport

636k subs

Stumped on a Tech problem? Ask the tech support reddit, and try to help others with their problems as well. Be sure to check out the live chat, too! https://techsupport.dev0.sh
https://reddit.com/r/techsupport/