Planning on building a computer but need some advice? This is the place to ask! /r/buildapc is a community-driven subreddit dedicated to custom PC assembly. Anyone is welcome to
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System administrators, security professionals, and PC builders. Practical, no-nonsense communities where hardware and software recommendations come from people who deploy them at scale.
Planning on building a computer but need some advice? This is the place to ask! /r/buildapc is a community-driven subreddit dedicated to custom PC assembly. Anyone is welcome to
Stumped on a tech problem? Ask the community and try to help others with their problems as well. Note: Reddit is dying due to terrible leadership from CEO /u/spez. Please use our
A subreddit dedicated to hacking and hackers. Constructive collaboration and learning about exploits, industry standards, grey and white hat hacking, new hardware and software hac
Welcome to /r/Linux! This is a community for sharing news about Linux, interesting developments and press. If you're looking for tech support, /r/Linux4Noobs and /r/linuxquestion
This subreddit is for discussing cybersecurity topics, research, and emergent threats/findings.
A reddit dedicated to the profession of Computer System Administration.
Welcome to Tales From Tech Support, the subreddit where we post stories about helping someone with a tech issue.
HomeNetworking is a place where anyone can ask for help with their home or small office computer network. No question is too small, but please be sure to read the rules and the F
We analyzed the published rules of these 8 communities: 7 allow it only under conditions (designated threads, participation ratios, or moderator approval). The biggest audience is r/buildapc with 8.5M members. Always open a community's rules link before posting — it takes a minute and protects your account.
IT Reddit is the world's largest informal helpdesk. r/techsupport volunteers fix strangers' computers daily; r/sysadmin is equal parts technical depth and group therapy for people who keep infrastructure running; r/buildapc will spec, sanity-check, and troubleshoot a PC build at any budget within the hour. These are among Reddit's most genuinely helpful communities.
Vendors: r/sysadmin decides enterprise tool reputations. A product that earns sysadmin trust gets recommended in procurement threads for years; one that burns them (bad licensing changes especially) faces community-wide grudges that outlast the product managers responsible. Participation rules are standard — expertise first — but the stakes are higher because these users hold actual purchasing influence.
Details determine answer quality. For tech support: exact error messages, what you've already tried, hardware specs, and recent changes. For PC builds: budget, country, intended use, and whether you need peripherals — post that and you'll typically get a complete parts list with reasoning. Both communities respond fastest to posts that respect their format guidelines.
Primarily professionals — threat discussion, career paths, and industry news. Beginners are welcome in the career-question threads, and the recurring "how do I get into security" answers form a solid roadmap: IT fundamentals first, then certifications like Security+, then specialization. For hands-on learning, the community consistently recommends home labs and CTF platforms over courses alone.
r/buildapc is the largest community in this niche with 8.5M members. Planning on building a computer but need some advice? This is the place to ask! /r/buildapc is a community-driven subreddit dedicated to custom PC assembly. Anyone is welcome to seek the input of our helpful community as they piece together their desktop.
It depends on the community: of the 8 communities in this niche, 0 ban self-promotion entirely and 7 allow it only under specific conditions such as designated threads or participation requirements. Check the policy badge on each community's page here, then read the full rules on Reddit before posting.
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