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Marko

@admin.education
333 followers 816 following 2.5K posts

From mIRC kid to sysadmin, ethical hacker & cybersecurity nerd. Tech poet. Human edge case. Balkan-made European dark force 🌑, world citizen by design. Valedictorian. CompSci + Biology + Physics + Math + English. Curieux. Neugierig. Say hi in any language.

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Marko @admin.education · 22h
Samothraki, Greece — beyond its beautiful ancient monuments, it hides some truly extraordinary beaches. 🌊⛰️ ​As captured here, this is my absolute preferred scenery: keeping the number of humans as close to zero as possible. :)
My shot of Samotraka island beach, Greece 🇬🇷, Europe.
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Marko @admin.education · 30/09/2026
Six EU chatbots. One thread. No Silicon Valley middleman between your question and the answer. Europe quietly built its own AI stack — sovereign, GDPR-first, and it doesn't train on your data. 🧵 #ai #Systems #NOBANS #privacy #choice #ArtificialIntelligence #chatbots #alt #alternatives
My selection of EU 🇪🇺 based chatbots
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Marko @admin.education · 29/09/2026
You clicked BUY. They heard RENT. 🎮 If a digital game can disappear when a company changes the rules, did you ever really own it? This isn't just about Sony. It's about what "buy" means in the digital age. Would you still pay full price? #gaming #DigitalOwnership #PlayStation #ConsumerRights #meme
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Marko @admin.education · 29/09/2026
🧵 1337x status update: The site has been under sustained, high-volume attacks for weeks. They are auto-blocking IPs that generate high requests (which may accidentally block legit users) and have temporarily turned off the V3 onion domain to prioritize normal service. #1337x
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Marko @admin.education · 29/09/2026
Lost in a good book and a cup of tea. ☕️📖 There is something profoundly peaceful about #BerthaWegmann's "Resignation (Young Lady at the Breakfast Table)" (1890) #art #ArtHistory #WomenArtists #DanishArt #Painting #19thCenturyArt #FineArt #ArtLovers
This artwork is Resignation (Young Lady at the Breakfast Table), painted in 1890 by the Danish artist Bertha Wegmann.
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Marko @admin.education · 29/09/2026
✈️ Wizz Air's #Belgrade base: decision imminent Sources say they're staying put through Winter 2026/27. Official word in "the upcoming days." (continues)
Wizz air branded airplane. Low-cost Airlines are struggling in Serbia. :-(
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Marko @admin.education · 29/09/2026
That reminds me — just slightly — of #X. Except #XAI / X’s filtering feels much worse to me: actual humans and legitimate posts can end up buried behind “Show more” or “See spam posts.”
X puts real humans in the spam folder called "see more comments" (at the bottom) - terrible, really.
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Marko @admin.education · 29/09/2026
After so many decades, you’d think the #Google / #Gmail spam filter would be nearly perfect. It isn’t. Just today, I rescued two completely legitimate companies from Spam.
Google anti-spam is nice but could still improve.
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Marko @admin.education · 29/09/2026
Aleksandar Vučić podneo je ostavku na mesto predsednika Srbije nakon više od godinu dana #students protesta (izazvanih tragedijom na železničkoj stanici u Novom Sadu i optužbama za #corruption.)
Foto - Reuters - Aleksandar Vučić
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Marko @admin.education · 28/09/2026
GPT‑6 Sol (Max) is shown at #4 on the Code Arena WebDev leaderboard. With a score of 1,689, it sits just 2 points behind the #3-ranked model in this snapshot of Arena.ai’s WebDev rankings.
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Marko @admin.education · 28/09/2026
Pojam: BITI DOBAR TRISTA SOMA. Žargon za profit. "Biti dobar" znači zaraditi. Dodali smo "trista soma" kao varijablu. Tristo tisuća bilo koje fiat valute koja trenutno gubi na vrijednosti. 🧵 1/3 #lexicography #serbian #slang
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Marko @admin.education · 28/09/2026
Wednesday S2 (Netflix): still gothic, still deadpan, a bit too fond of its own greatest hits. Jenna Ortega is a creepy delight, Emma Myers steals the heart, Part 2 sticks the landing. Season 3 is coming. 7.5/10 #Wednesday #JennaOrega #Netflix Team Wednesday or team Enid?
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Marko @admin.education · 28/09/2026
My long-term bet? #GitHub #Copilot could become one of the most important #AI tools in the next ~5 years. Because sooner or later, we all need our #repos, don't we? :)
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Marko @admin.education · 28/09/2026
#India is becoming one of the most interesting places to watch AI adoption at real scale. #Google + #Jio offering eligible users #Gemini AI Pro is exactly the kind of move I like: put powerful tools into millions of hands, lower the barrier to experimentation, and let people learn what AI can do.
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Marko @admin.education · 27/09/2026
I made a little #animation to remember her — imagining her turning into an angel. 🖤🐾 Rest easy, little one. You’re still/forever part of this home, just in a different way. #cats #catsofbluesky #catlover #catmemorial #petloss #rainbowbridge #catangel #rememberingmypet #catlife #catsoftheworld
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Marko @admin.education · 27/09/2026
🖤🐾 Ten days ago we lost one of you two. Buried her beneath a tree, where she can keep watching over the garden. The one who's left behind is still learning how to be here without her — and so am I. 🥹 Rest easy, little witch. The music in this house is quieter now. #catsofBluesky #cats #catlover
Illustration of my two cats
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Marko @admin.education · 27/09/2026
Perazića Do — mesto koje se ne reklamira, i zato je još tu. Nekoliko kilometara od Petrovca, na putu ka Budvi. Skreneš — i gotovo. Nema gužve, nema neona, nema marketinga. Samo more. Kuće su uklopljene u vegetaciju kao da ih je postavio neki sysadmin koji zna da se infrastruktura ne sme isticati.
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Marko @admin.education · 27/09/2026
Overview: A major supply chain anomaly involving sensitive F-35 stealth fighter components has triggered multiple international investigations after a shipment was inexplicably diverted to Hong Kong. The Chinese government has reportedly taken possession of the parts.
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Marko @admin.education · 27/09/2026
When every feed can feel real, how do we know what to trust? AI is already embedded in the digital life we move through every day—shaping what we see, helping us solve problems, and connecting signals at a scale no human team could match. The question isn’t whether AI is useful. It is.
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Marko @admin.education · 27/09/2026
AI can write thousands of lines in minutes. That does not mean thousands of lines deserve trust. This thread started with three different voices, but they all landed on the same engineering principle: Verify everything. Diff by diff. Solo Zero: build a net around AI-generated code.
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Marko @admin.education · 26/09/2026
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Marko @admin.education · 26/09/2026
I made you a video, @porkbun.com Actually, not one, but two! And they’re free. The price is simple: trust + love. :)
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Marko @admin.education · 25/09/2026
Porkbun. The domain registrar that made boring infrastructure fun and I switched my whole portfolio over without a shred of regret. Free WHOIS privacy, free SSL, transparent renewal pricing, zero upsell nonsense. 9/10. #Porkbun #DomainRegistrar @porkbun.com :*
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Marko @admin.education · 24/09/2026
THE LAB VERDICT: #TheThirdMan (1949). Carol Reed, Graham Greene and Orson Welles in a Vienna of shadows and zither. Cannes Grand Prix, Oscar for Krasker's cinematography. Would you have made Holly's choice? RATING: 9.5/10. Streaming on Prime Video, Kanopy, Plex (varies by region).
Poster of the Thrird Man (1949)
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Marko @admin.education · 24/09/2026
I'm an independent tech journalist. I don't work for CNN, MS NOW or Politico. But when White House press access is pulled over coverage someone dislikes, that's a press freedom issue, whoever the outlet is. DW stopped using White House footage in solidarity, and the TV pool paused its coverage.
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Marko @admin.education · 24/09/2026
Everything here works. Until something doesn't. Watch closely. Four things go wrong, and only one story is worth following. Which one do you want to know more about? 🚚 / 🖥 / 👤 / ⛈ Comment your pick. The most votes decides what I show next?
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Marko @admin.education · 23/09/2026
1/2 The world's most controversial fruit: DURIAN. Banned on public transport in Asia. Smelled by animals from 1km away. 25-50m tall tree, 3-8kg spiky fruit, only 15-30% edible. 300+ varieties in Thailand, only 1 exported worldwide.
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Marko @admin.education · 23/09/2026
Windows: WM_CLOSE asks, TerminateProcess forces. Linux: SIGTERM asks, SIGKILL (9) forces. It can't be caught, blocked, or ignored, and the kernel enforces it. Same idea, different bouncers. #Linux #Windows #sysadmin #devops #sysops
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Marko @admin.education · 23/09/2026
Learning in public: SIGTERM asks nicely and lets you clean up. SIGKILL doesn't ask. Thanks for the correction, fixed meme below. #buildinpublic #sysadmin #sysops #linux #Windows #meme
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Marko @admin.education · 23/09/2026
Windows: "Would you kindly close? 🥺" Linux: kill -9 is not a request. It's a promise. #devops #linux #sysadmin #programming #sre
My #ai illustration.
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Marko @admin.education · 22/09/2026
Đoković ispao u 1. kolu US Opena — prvi put od 2006. Poražen od Navonea posle borbe od skoro 4,5 sata, uz mučninu i grčeve zbog vlage. Kraj niza od 78 pobeda u prvim kolovima grend slemova.
Novak Djokovic by Reuters, US OPEN, NYC
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Marko @admin.education · 22/09/2026
Your recommendation didn't go unnoticed. #FDroid is my #goto choice. I just hope it gives a neat "per app stats" like #AdGuard did because that's what inspired me the most - Tinkering on per app basis.
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Marko @admin.education · 22/09/2026
The Vitruvian Sysadmin. On-call 24/7, caffeine 0%, uptime 99.9% maybe. #sysadmin #devops #arhitektahaosa
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Marko @admin.education · 22/09/2026
@adguard.bsky.social isn't a #VPN — it doesn't mask or change your IP. What it does is block the ad and #tracker requests that Android apps fire off constantly, often to servers you'd never approve of if you saw them. 106 blocked, 14MB saved — in one session, on one device.
My AdGuard
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Marko @admin.education · 22/09/2026
#telegram ia the most secure messaging platform - together with @signal.org and #threema. Let's connect.
My Telegram QR code
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Marko @admin.education · 22/09/2026
Instagram caption: A #Kosovo court sentenced #HashimThaçi and three former #KLA fighters to 81 years total for war crimes committed in 1998–1999. Protests have erupted in #Pristina, with demonstrators calling the verdict unjust. The ruling has deepened divisions across the #Balkans...
Protests in Prishtinës, Kosova (Reuters
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Marko @admin.education · 22/09/2026
AN OPEN COMPLAINT TO THE WORLD X has every right to ban my account. I may disagree, appeal, or leave. That is platform moderation. But X does not have the right to keep reaching into my wallet.
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Marko @admin.education · 21/09/2026
Detroit's bronze RoboCop: ~11 ft, ~3,500 lb, bolted down since Dec 2025. Statue of Liberty: in 50 mph winds the torch sways ~5 in (12.7 cm) by design. One resists wind with mass, the other with flexibility. 🗽
#ai
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Marko @admin.education · 21/09/2026
World leaders are gathering at the UN General Assembly amid wars in #Ukraine and #Gaza, growing concern over #unregulated #AI, #climate shocks, and pressure to #reformtheUN itself. #UNGA #UNIty #UN open.spotify.com/track/45yEy5...
United nations HQ, New York.
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Marko @admin.education · 21/09/2026
Architecture is not only built. Sometimes it grows. Dancing Trees of Sumba, Walakiri Beach, East Sumba, Indonesia. Two mangroves frozen mid-dance, holding the tide at sunset. That thin mirror of water only exists for 20 minutes — low tide + blue hour.
No concrete. No blueprint. Just roots, wind, and time doing their thing.
Decentralized trees by nature.
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Marko @admin.education · 21/09/2026
Would I try @proton.me s purple cat #Lumo for #discounts? Only if I know when it #lies. 😂 That's what #AIethics teaches: not spotting the lie, but verifying every answer. Coupon works at checkout or it doesn't. Lumo's real pitch is #privacy ( #encrypted, #nologs), not bargains. Try it for that.
Lumo by Proton - logo with a purple 💜 cat
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Marko @admin.education · 21/09/2026
Hey FB algo, it's Marko from Serbia - yes, Serbia. But check my friends list - I'm basically an honorary Ohioan at this point. You won't let me add Paul when I have 22 mutuals with his family. Can we tweak the "you don't know this person" detector a tiny bit? :) #FacebookProblems
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Marko @admin.education · 20/09/2026
English 🇬🇧/🇺🇸 This is a #brain exercise — not an exercise for AI. :) No calculator, no chatbot, no cheating. Just your head. If you can get the correct result mentally, I’ll follow you. (Yes, I’m trying to follow the whole world anyway. 🌍) #brain #math #mentalMath #challenge
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Marko @admin.education · 20/09/2026
This is what link in my #bio is... I recently made a simple mutual authorization with several people from very different fields. Same can be done digitally, for free, using #opensign (I'm just disappointed w/ their lack of #OTP but I'll let them know on their #Discord l8r tday) (continues)
6 people (5 w/out me) gave everyone else - a simple but important - consent (saglasnost 👊)
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Marko @admin.education · 20/09/2026
The Thing bejahu uživo u KC Gradu 📅 29. 5. u 21:00 📍 KC Grad 🎟️ Pretprodaja: Tickets, Pub Brod, Ćumić Chillton Bad Music for Bad People presents The Thing, live at KC Grad, May 29, 9 PM. Presale at Tickets, Pub Brod and Ćumić Chillton. Concert was awesome!
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Marko @admin.education · 20/09/2026
Vučić met Zelensky at the Carpathian Eight summit in western Ukraine. Topics on the record: Belgrade deals, both EU tracks, Russian attacks, rail and borders, a claimed 42 percent trade rise in H1 2026.
Serbian President Aleksandar Vucic, right, and Ukraine's President Volodymyr Zelenskyy talk during the Carpathian 8 Summit in Bukovel, western Ukraine, Friday, Sept. 18, 2026.

Vladyslav Musiienko - AP
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Marko @admin.education · 20/09/2026
In Buñol near #Valencia the #tomato is not lunch. La Tomatina falls on the last Wednesday of August. A ticket has been required since 2013. One hour, then the #Spain streets stay red. #LaTomatina
Alt. Illustration. Red square, trucks, stylized figures. Not a photograph.
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Marko @admin.education · 20/09/2026
Late August 2026. London Zoo put almost everything it keeps on a scale. Humboldt penguins walk the plate on the way to breakfast. If one refuses that day, that day is skipped. A Partula snail stays under one gram. Capybaras follow the greens. The record goes into ZIMS.
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Marko @admin.education · 19/09/2026
1/2 Two job boards. Both launched 2001. One American 🇺🇸, one Canadian 🇨🇦. Rent A Coder (Tampa, later renamed vWorker) and Scriptlance sold project work through a screen. Bids. Escrow. Stars.
Big fish "going to the small ones" ... :(((
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Marko @admin.education · 19/09/2026
This one is important to me, especially.... Unix — the conceptual foundation beneath a huge amount of modern infrastructure: shell, processes, permissions, pipes, filesystem philosophy. #unix #linux #sysadmin
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