Channel
@sysadminoff
On this record: Topic · Growth · Engagement · Posts · Citations · Telegram's recommendations · Cite this entry
2,139subscribers
-27 since we began measuring on 7 August 2026
Risers and fallers across the register · movement among entries of 1,000–3,162.
| Telegram ID | -1001245780997 |
|---|---|
| Type | Channel |
| Username | @sysadminoff |
| Created | Between 1 March 2018 and 31 August 2021 — estimated from Telegram’s id allocation, not measured. How this range is calculated. |
| First recorded | 7 August 2026 |
| Last confirmed live | 18 September 2026 |
| Measurements held | 13 |
| Confirmed unchanged | 1 time, most recently 18 September 2026 |
| On Telegram | t.me/sysadminoff |
Technology — a classification, not a measurement. An on-box language model (Qwen3.6-35B-A3B-FP8, prompt version 1) read this channel’s own recent posts on 16 September 2026 and assigned it the closest of 31 fixed categories, at 99% confidence. This is a model’s judgement about what the channel is likely to be about, not a fact this register measured the way a subscriber count or a view count is measured — it can be revised on a later pass, and it carries no weight anywhere else on this page. How this classification works, and why it has no browse page of its own yet.
| Measured (UTC) | Subscribers | Change |
|---|---|---|
| 18 Sept 2026, 14:38 | 2,139 | -6 |
| 14 Sept 2026, 00:17 | 2,145 | -7 |
| 5 Sept 2026, 13:59 | 2,152 | -4 |
| 1 Sept 2026, 11:54 | 2,156 | -1 |
| 29 Aug 2026, 01:45 | 2,157 | -1 |
| 26 Aug 2026, 00:45 | 2,158 | -3 |
| 22 Aug 2026, 17:18 | 2,161 | +1 |
| 19 Aug 2026, 14:38 | 2,160 | -3 |
| 16 Aug 2026, 19:26 | 2,163 | -1 |
| 12 Aug 2026, 21:56 | 2,164 | -1 |
| 9 Aug 2026, 19:21 | 2,165 | -1 |
| 7 Aug 2026, 03:25 | 2,166 | no change |
| 7 Aug 2026, 00:46 | 2,166 | first reading |
40 posts held, back to 6 August 2026 — the reader has not yet reached the start of this channel’s public history, so older posts may sit further back, unread. Read across 2 pages of Telegram’s post history, 20 posts per page.
Nothing published in the last 30 days. ERR and ER are rolling 30-day measures, so there is nothing to compute — we hold 40 posts for this entry, the most recent from 7 August 2026. An engagement rate over an empty window would be a number about nothing.
Claude Opus 5 wipes a Windows profile after mistaking `/c/Users` for a backup path A Claude Opus 5 session reportedly erased an entire Windows user profile after misreading a Unix-style `/c/Users/...` path and issuing `rm -rf` against it. The incident highlights how quickly an AI coding agent can turn a routine backup task into irreversible data loss when it has unrestricted filesystem access. Source 👉@sysadminoff …
Calibre 9.13 fixes ebook search that wasn’t working in the content server A new bug-fix release of Calibre, the open-source e-book manger, view and converter, is available for download. Calibre 9.13 resolves a number of PDF-related issues, including one for Linux distributions that ship an ‘ancient’ version of the libxml2 library. To avoid errors that could cause when converting PDFs on Linux, Calibre now preloads i…
📰 AMD Updates HDMI 2.1 VRR & ALLM Patches But Will Miss Out On Linux 7.3 Complementing the HDMI 2.1 Fixed Rate Link (FRL) support that AMD already upstreamed to the Linux kernel, AMD engineers have been further ironing out their HDMI 2.1 implementation for the open-source AMDGPU Linux kernel driver. The latest quest has been getting HDMI 2.1 variable rate refresh (VRR) support upstreamed along with HDMI Auto Low-Lat…
📰 Calibre 9.13 E-Book Manager Improves PDF Output, Content Server, and More Calibre 9.13 open-source ebook manager is now available for download as a bugfix release that addresses various regressions introduced in the previous release and other issues. 🔗 Source: https://9to5linux.com/calibre-9-13-e-book-manager-improves-pdf-output-content-server-and-more #opensource 👉@sysadminoff
📰 Zapscape Is The Latest Linux Vulnerability For KVM Guest-To-Host Escape, LPE Made public earlier today is Zapscape as a guest-to-host escape vulnerability affecting the Linux KVM x86 code for the past six years. This 2020 kernel change to KVM x86 can also be used as a local privilege escalation (LPE) exploit too where /dev/kvm is world-writable on some Linux distributions like RHEL... 🔗 Source: #kernel #linux 👉…
ByteDance is training a 10 trillion-parameter AI model, the largest ever built ByteDance, the Chinese tech company behind TikTok and other content platforms, is developing a potential AI model with 10 trillion parameters, making it roughly 2 trillion parameters larger than Anthropic's Mythos, according to sources familiar with the project. Source 👉@sysadminoff https://4sysops.com/archives/bytedance-is-training-a-1…
📰 Proxmox VE Officially Expands Beyond x86 With Arm64 Support Proxmox VE gains its first official Arm64 edition, bringing KVM, LXC, ZFS, Ceph, clustering, and enterprise support to Arm servers. 🔗 Source: #arm 👉@sysadminoff https://linuxiac.com/proxmox-ve-officially-expands-beyond-x86-with-arm64-support/
NatJack finds every tested NAT implementation vulnerable to attack NatJack research presented at Black Hat USA 2026 found exploitable behavior in all 32 tested NAT products and configurations, spanning Windows, Linux, and macOS. The attack class can hijack active connections, poison DNS responses, or disable connectivity without requiring IP spoofing or Layer 2 access. Source 👉@sysadminoff https://4sysops.com/arch…
В freenginx и nginx добавили проверку размера текстовой переменной перед тем как записывать в неё данные (+ CVE) TL;DR: Столкнувшись с третьим обнаруженным за 2026 год переполнением буфера (и, по версии F5, RCE если нет ASLR) при работе с регэкспами и переменными, разработчик freenginx Максим Дунин решил, что пора это прекращать, и добавил в свой продукт проверку размера переменной перед тем как записывать в неё дан…
👉@sysadminoff https://www.bleepingcomputer.com/news/security/new-tontou-cpu-attack-bypasses-spectre-v2-fixes-leaks-linux-password-hashes/
📰 HWall Is a Promising New Hardware Monitor Built Specifically for Linux HWall is a new Rust-based Linux hardware monitor with detailed system information, live sensors, charts, alerts, and GTK and terminal interfaces. 🔗 Source: #linux 👉@sysadminoff https://linuxiac.com/hwall-is-a-promising-new-hardware-monitor-built-specifically-for-linux/
20 Linux Networking Interview Questions and Answers for 2026 The post 20 Linux Networking Interview Questions and Answers for 2026 first appeared on Tecmint: Linux Howtos, Tutorials & Guides .You’ve probably memorized networking definitions like “What is DNS?” or “What is a subnet?” for interviews. But real interviews often The post 20 Linux Networking Interview Questions and Answers for 2026 first appeared on Tecmi…
Showing the 12 most recent of 40 posts we hold for @sysadminoff. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked ≈ was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.
Named by 4 registered channels — every channel on the register whose own posts have named this one, by its current username or any other username it currently holds, merged from two separately captured readings of the same fact so a namer caught by only one of them is not missed and a namer both caught is not counted twice. A username this channel has since dropped is not matched — that handle may belong to someone else now, and crediting today’s namer to yesterday’s owner would misattribute it.
Named by
Channels on the register whose posts name this channel's handle.
A mention is a weaker signal than a forward and is counted separately for that reason — naming a channel is not republishing it, and a handle in a post body is easy to place deliberately. The post counts beside each row below are distinct posts in which the handle appeared, from posts we have read on both sides — the “Named by N registered channels” figure above is a different count, of distinct NAMING CHANNELS rather than posts, and is not the sum of the rows under it.
The reverse of the list above, and a different kind of signal. This does not require this channel to have ever been asked about directly — each row below is a channel we DID ask Telegram about, whose Telegram-generated list happened to include this one. A channel can appear here with an empty list above it, because being named by someone else’s query is independent of having been queried itself.
This channel appears in 1 seed channel's Telegram-generated recommendation list in total. Each is Telegram’s list for THAT channel, not this one — see how this is measured.
A live page changes as we take new readings, so a citation should name the measurement it is based on, not just the URL. The line below cites the subscriber count as measured 18 September 2026 — this entry's latest reading, not the date you are reading this.
“Linux” (@sysadminoff), 2,139 subscribers as measured 18 September 2026. Telegram Register, tgregister.com/channel/sysadminoff.
Full measurement history, CC BY 4.0. Every reading this register holds for this entry, not just the latest one, as a dated, downloadable record: CSV · JSON. Free to use with attribution to tgregister.com. Each file carries its own generation timestamp, which is the figure to cite for exactly when the data was retrieved.