About r/sysadmin
In its own words:
A reddit dedicated to the profession of Computer System Administration.
Community guide
r/sysadmin (#799, about 1.3 million subscribers) — A reddit dedicated to the profession of Computer System Administration. A recent sample averaged 54 posts a day (~100% text). Its public rules include: Account Age; Professionalism; Advertising; Wrong Community; Low Quality. It is listed under “Technology”.
What belongs here
Stay inside the room’s stated scope rather than adjacent off-topic dumps. Self-promotion and ads are limited—read those rules before linking your own work. Match posts to: Account Age; Professionalism; Advertising; Wrong Community.
How it differs from lookalikes
Prefer this room when your post matches its description and rules—not merely a larger sibling community.
Practical pointers
Read the live sidebar/rules before posting; rules can change. Common flairs include: Question, General Discussion, Rant, Career / Job Related.
The community was created on Oct 22, 2008, which makes it 18 years old. Since Nov 2, 2026, it has gained 2,326 subscribers (+0.17%). It sits just behind r/FUCKYOUINPARTICULAR (#797) and ahead of r/DidntKnowIWantedThat (#799) in our ranking.
What sets r/sysadmin apart
r/sysadmin is far more text-driven than most big subreddits: 100% of its recent posts are text posts, against a median of 35% across the Top 100. For its size it is unusually busy: about 40.7 new posts a day per million members, more than 81% of the Top 100. It is also one of the faster-growing big communities: its 1.22% gain since Sep 19, 2026 beats 93% of the Top 100. Its rhythm is strongly tied to time zones: the busiest hour (19:00 UTC) sees about 10.3× as many posts as the quietest (04:00 UTC).
Subscriber growth
Between Sep 19, 2026 and Nov 9, 2026, r/sysadmin climbed from 1,323,839 to 1,339,943 subscribers (+16.1K, +1.22%). That is about 316 new members per day. The chart shows 10 weekly subscriber counts.
Top posts on r/sysadmin this week
This week’s highest-ranked posts, in Reddit’s own order (collected Nov 8, 2026).
- My husband was a SysAdmin, and did pass away (update)u/icsk8grrl · Nov 1 · text post
- It finally happened!!u/xkeyscore_ · Nov 6 · text post
- Everything is urgent, nothing goes in writing, and somehow it’s always IT’s faultu/timtim2000 · Nov 2 · text post
- A mind is a terrible thing to waste ...u/bofhdk · Nov 4 · text post
- Don’t use AI in interviewsu/general-noob · Nov 4 · text post
- How do you call someone stupid, but professionally?u/samissleman17 · Nov 5 · text post
- User vibe coded enterprise appsu/brnstormer · Nov 5 · text post
- Hiren's BootCD, Should i tell my boss?u/lNuggyl · Nov 5 · text post
- Admins: We have people sending PMs trying to get people to do ads in sysadminu/HanSolo71 · Nov 7 · text post
- Refrigeration cyberattacks not stoppingu/Fabulous_Cow_4714 · Nov 4 · text post
All-time top posts
The highest-ranked posts in the history of r/sysadmin, from 2017 to 2025, ranked by Reddit.
- I recently had to implement my disaster recovery plan.u/disasterrecoverywhat · Dec 7, 2022 · 19,120 points · 725 comments · text post
- Dear MS Teams: Someone liking my comment in my active chat should not cause a notification in my "Activity" panel that can only be cleared by activating that panelu/Szeraax · Aug 16, 2022 · 18,276 points · 931 comments · text post
- Looks Like Facebook Is Downu/Gunjob · Oct 4, 2021 · 15,637 points · 3,423 comments · text post
- We may be witnessing the largest IT outage in historyu/the123king-reddit · Jul 19, 2024 · text post
- Net Neutrality, let's do our part. Who knows this shit better than us?u/BloodyIron · Nov 22, 2017 · 13,654 points · 927 comments · text post
- California passes bill requiring salary ranges on job listingsu/ZAFJB · Sep 7, 2022 · 12,377 points · 859 comments · text post
- This is why you should always lock your computer before you leave your desk.u/heroofyesterday · May 10, 2018 · 11,436 points · 1,154 comments · text post
- Maybe an unpopular opinion, but working in IT has taught me that people are generally... really dumb?u/Alarmed-Assistant936 · Oct 3, 2024 · text post
- got caught running scripts againu/STILLloveTHEoldWORLD · Jul 28, 2024 · text post
- After 6 months of warning users, we finally did it. Tonight, I denied 2,400 Windows 7 computers from log on.u/psychopete · Feb 1, 2018 · 10,631 points · 2,369 comments · text post
What r/sysadmin talks about
Looking at the titles of 348 recent posts (Oct 29–Nov 5), the words that come up most are “windows”, “microsoft”, “company”, “server” and “small”. Other frequent themes are email, looking, management, handle, servers and admin. Recurring phrases include “reliable onsite”, “support ontechcare”, “windows server” and “google workspace”. By format, 100% are text posts.
Popular post flairs: Question (65), General Discussion (59), Rant (11), Career / Job Related (10), Advertising (8), Microsoft (7).
Activity and best time to post
r/sysadmin gets about 55 new posts a day. The public archive holds 539,152 posts and 11,156,457 comments in total, about 20.7 comments per post. Last week the busiest day was Wednesday (81 posts) and the quietest was Sunday (24). Posting peaks around 19:00 UTC and is lowest around 04:00 UTC.
Rules of r/sysadmin
The moderators of r/sysadmin list 5 rules. In short:
- Account Age
- Professionalism
- Advertising
- Wrong Community
- Low Quality
How to join
Open reddit.com/r/sysadmin and press “Join”. Read the community rules in the sidebar before you post: every subreddit is run by its own volunteer moderators.
Frequently asked questions
How big is r/sysadmin?
r/sysadmin has 1,339,943 subscribers (Nov 9, 2026), which makes it the #798 safe-for-work subreddit in the SubMouse ranking. It added 16,104 members between Sep 19, 2026 and Nov 9, 2026.
How old is r/sysadmin?
r/sysadmin was created on Oct 22, 2008, so it has been around for 18 years. The oldest post in the public archive is from Mar 8, 2009.
How active is r/sysadmin?
Very active: r/sysadmin gets about 55 new posts a day (average of the last four weeks). Over its lifetime the archive counts 539,152 posts and 11,156,457 comments. In a sample of 348 recent posts we counted 314 different authors.
When is r/sysadmin most active?
Based on post counts from Oct 29, 2026 to Nov 4, 2026, the busiest day was Wednesday and the quietest Sunday, and most posts arrive around 19:00 UTC, with the fewest around 04:00 UTC. More posts also means more competition, so a quieter hour can help a post get noticed.
What is r/sysadmin about?
The community describes itself as: “A reddit dedicated to the profession of Computer System Administration.” Recent post titles often mention windows, microsoft, company, server and small. Most posts are text posts (100%).
Is r/sysadmin safe for work?
Yes. Reddit does not mark r/sysadmin as an 18+ (NSFW) community. SubMouse lists safe-for-work subreddits only.
How do I post on r/sysadmin?
Join the community on Reddit first, then use “Create post”. r/sysadmin accepts text posts only. It has 5 posted rules, starting with: “Account Age”; “Professionalism”; “Advertising”. Moderators remove posts that break the rules, so read them in the sidebar before posting.
Stats from public data (data updated Nov 9, 2026; activity, rules and archive totals via the Arctic Shift archive, Nov 6, 2026; top posts from Reddit’s public feeds). Point and comment counts are archive snapshots and can be lower than on Reddit today. SubMouse is an independent directory and is not affiliated with Reddit or the moderators of r/sysadmin.