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#sysadmin

39 posts37 participants5 posts today
Michael Lucas :flan_set_fire:<p>For the weekend crowd:</p><p>"Networking for System Administrators, 2nd ed" now has a full Kickstarter page, with a book description and everything. It starts by confessing the title is a lie.</p><p><a href="https://mwl.io/ks" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">mwl.io/ks</span><span class="invisible"></span></a></p><p>I'd appreciate folks spreading the word. <a href="https://io.mwl.io/tags/sysadmin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sysadmin</span></a> :flan_beg:</p>
Mad A. Argon :qurio:<p>Invincible <a href="https://is-a.cat/tags/Postgres" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Postgres</span></a> Saga, episode 3...</p><p>(At least this didn't happen on production :blobCat_giggle:)</p><p>Earlier this week I tried to do some tests on my "wonderful" misconfigured testing environment. I had some errors here and there and they had to reveal themselves during my experiment... <br>To make everthing up-to-date I had to refresh data in my app, which uses <a href="https://is-a.cat/tags/Patroni" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Patroni</span></a> <a href="https://is-a.cat/tags/Postgresql" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Postgresql</span></a> database. Of course it crashed when I tried to do it. It didn't turn down whole cluster, only that one server, and in theory it still had normal API access. I expected it to come back quickly after I fixed things breaking my servers. But for some reason it couldn't. It didn't even try, at least in any visible way.<br>Seriuosly it was the most disturbing thing there :blobcatsweat: It should try to do something, right?!?<br>I tried to restart services in panic, without any result. It was late and I finished work for that day. Tired and worried I had to leave it stuck in "cannot reach consistent state" stage.</p><p>Next day I thought about doing force reinit or something to move it. But when I log into that server... Everything just worked :neofox_scream_stare_256:<br>I checked logs... Almost nothing special, just like database was stuck and after ~14 hours suddenly started working. Only one line telling backup was restored. <br>Damn, what backup?!? Why I don't understand what it did?!? And why it needed so much time?!?</p><p>At least I had working environment and didn't had to wonder what to do. Maybe my first chaotic attempts to force it to work did more harm than good and I should just leave it...</p><p>Someone should write in docs, which API status means "just leave me alone, trying to fix things" :neofox_think_derp: It would be easier.</p><p><a href="https://is-a.cat/tags/sysadmin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sysadmin</span></a> <a href="https://is-a.cat/tags/admin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>admin</span></a> <a href="https://is-a.cat/tags/IT" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IT</span></a></p>
Orhun Parmaksız 👾<p>As always, rats never miss 🔫🐭</p><p>⚡ **lazycelery** — Monitor/manage Celery workers and tasks in the terminal.</p><p>💯 Queue management, search/filter, status tracking &amp; more!</p><p>🦀 Written in Rust &amp; built with <span class="h-card" translate="no"><a href="https://fosstodon.org/@ratatui_rs" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>ratatui_rs</span></a></span></p><p>⭐ GitHub: <a href="https://github.com/fguedes90/lazycelery" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">github.com/fguedes90/lazycelery</span><span class="invisible"></span></a></p><p><a href="https://fosstodon.org/tags/rustlang" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rustlang</span></a> <a href="https://fosstodon.org/tags/ratatui" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ratatui</span></a> <a href="https://fosstodon.org/tags/tui" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tui</span></a> <a href="https://fosstodon.org/tags/celery" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>celery</span></a> <a href="https://fosstodon.org/tags/worker" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>worker</span></a> <a href="https://fosstodon.org/tags/monitoring" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>monitoring</span></a> <a href="https://fosstodon.org/tags/sysadmin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sysadmin</span></a> <a href="https://fosstodon.org/tags/terminal" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>terminal</span></a></p>
txt.file<p>who called it Linux stable (network) interface names?</p><p>They do not seem to be that stable. I added a PCIe device and now my "stable" interface name is different from before the device addition. m(</p><p>took me 15 minutes to debug that networking didn't start properly because config said enp1s0 and now the device is enp2s0. 🖕 <br><a href="https://chaos.social/tags/Linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Linux</span></a> <a href="https://chaos.social/tags/SysAdmin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SysAdmin</span></a></p>
libUnderseaMonkey.so 🇪🇺<p>Paged by work (I'm on call this week) in the early hours and so I'm now missing church and there isn't enough coffee in the western hemisphere. <a href="https://fosstodon.org/tags/SysAdmin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SysAdmin</span></a> <a href="https://fosstodon.org/tags/DevOps" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DevOps</span></a></p>
Jonathan Kamens 86 47<p>That's all for today. I'm sure you're all on the edge of your seats waiting to see what's in tomorrow's thread of computer shit I needed to fix.<br><a href="https://federate.social/tags/IT" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IT</span></a> <a href="https://federate.social/tags/SysAdmin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SysAdmin</span></a> <a href="https://federate.social/tags/ITDIY" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ITDIY</span></a><br>🧵14/14</p>
Jonathan Kamens 86 47<p>You all probably thought I was exaggerating when I said something went wrong with my IT every single day and I often spent hours dealing with the problems. I wasn't exaggerating. Here's today's edition of "computer shit I had to fix"…<br><a href="https://federate.social/tags/IT" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IT</span></a> <a href="https://federate.social/tags/SysAdmin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SysAdmin</span></a> <a href="https://federate.social/tags/ITDIY" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ITDIY</span></a><br>🧵1/14</p>
9x0rg

Fuck yeah !

#YunoHost 12.1 release / Sortie du YunoHost 12.1 - Announcements

forum.yunohost.org/t/yunohost-

Merci @yunohost !

Soutenons-les: yunohost.org/donate.html

YunoHost Forum · 🎉 YunoHost 12.1 release / Sortie du YunoHost 12.1🇬🇧 English version We are glad to announce the release of YunoHost 12.1 🌼 :neopossum_owo: 🌿 ! This version includes many important changes, which we tried to summarize: 📜 A new mechanism (so-called ‘SSE’) to retrieve the status and stream logs of the current action ongoing on the server, whether it got started from another webadmin tab, the command line or a cron (automatic task). In particular, this should improve situations where some actions are taking a long time,...
#SysAdmin#ServerAdmin
Jonathan Kamens 86 47

Time for today's edition of "what went wrong with the computers today"…
When I sat down at my computer this morning, the Windows 11 upgrade I kicked off yesterday had indeed failed as I had suspected it was going to <federate.social/@jik/115069952>, but not in the way I expected. My VM was on the boot screen with the spinning Windows booting animation, and on top of that was a pop-up: "Please insert external drive".
#SysAdmin #ITHelpdesk #HomeIT #ITDIY
🧵1/23

federate.socialJonathan Kamens 86 47 (@jik@federate.social)Attached: 1 image I'm suspecting that it's going to be at 15% when I go to sleep tonight and it's still going to be at 15% when I wake up tomorrow morning. That is, I think this upgrade is fucked. It's a good thing I did the upgrade on a clone of the VM. If it fails I can throw away the failed VM, make another clone, and try again (which will, no doubt, fail again. 😡).
Leszek

A quick poll for anyone working with (internal or external) customers' systems as a consultant, sysadmin, sre etc.

Did you have to "devibe" a system?

I mean that as fixing a misconfiguration or bug generated by AI that was applied/deployed outside of the AI user's laptop.

· 0 votes ·
#sysadmin#sre#devops
Jonathan Kamens 86 47

This morning I took some time to jot down how I temporarily lost all the mail on my family's mail server last week, how I recovered, and what I've done to minimize the impact of similar events in the future.
Some of this was my fault, but the bigger TLDR is that IMO Cyrus imapd is a big pain in the ass, I should probably switch to a different IMAP server, but I don't have time to deal with that right now.
#CyrusImapd #SysAdmin #MailServer #backups #IMAP #btrfs #PostMortem
blog.kamens.us/2025/08/21/how-

Lioh

Ein Jahr ist es her, das ich das Video zu Ventoy und iVentoy gemacht habe und immer noch ist es brandaktuell: youtube.com/watch?v=ZNJ649oD3x0

Mit Ventoy erstellst du einen USB-Stick, auf dem du beliebig viele Linux-ISOs speichern und direkt starten kannst.

Noch flexibler geht es mit iVentoy – starte Linux-Distributionen im gesamten Netzwerk per PXE-Boot, ganz ohne USB-Stick. Ich erkläre Einrichtung, DHCP-Settings und mache ein Live-Demo in einer VM.

YouTubeLinux Multiboot – USB-Stick & Netzwerk mit Ventoy und iVentoy 🚀By Tuxwiz
#Linux#Sysadmin#Ventoy
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