Stefano Marinelli on Taking Back The Internet With BSD | EuroBSDCon Zagreb 2025
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🔥 The Internet was never meant to be owned by big tech. Let's take it back.
Like and join the channel to support more content!🌐 bsd.cafe links
https://wiki.bsd.cafe/
https://mastodon.bsd.cafe/📝 Quick Summary of the Video
Stefano is a sysadmin who is passionate about helping to take back the Internet. Being primary a fan of BSD operating systems, he hosts public social services for like-minded individuals. Watch to find out how he does it.👀 Watch my entire MAIN playlist here
https://www.youtube.com/playlist?list=PL3KVgwMTWoO0wKgJWk3BBtB20okJvu_6q📍 Timestamps
00:00 Intro
00:52 Who is Stefano Marinelli
02:00 SDF inspiration and why we should take the bread from big tech
09:23 The cafe and what needs improvements
17:36 Mastodon censoring
22:22 Critical thinking
30:00 Technical: FreeBSD Jails
32:58 Technical: FreeBSD vs OpenBSD vs NetBSD
37:40 Outro❤️ Help Keep This Content Going
Memberships: https://youtube.com/@LinuxRenaissance/join
Patreon: https://patreon.com/LinuxRenaissance
Ko-fi: https://ko-fi.com/darth
Merch: https://shop.linuxrenaissance.com
Zorin Pro: https://zorin.com/linuxrenaissance📢 Join The Linux Renaissance Community On Matrix Chat
Matrix v12 Space: https://matrix.to/#/%23space:fosshq.org
Recommended Matrix client is "Element" from Flathub🎵 Music By
H0ffman: https://soundcloud.com/h0ffman/sets/protracker-amiga🙏 Linux Renaissance is supported by
OPNsense: https://opnsense.orgLinks within this video may contain affiliate links that I receive a small commission from.
#linux -
🔥 The Internet was never meant to be owned by big tech. Let's take it back.
Like and join the channel to support more content!🌐 bsd.cafe links
https://wiki.bsd.cafe/
https://mastodon.bsd.cafe/📝 Quick Summary of the Video
Stefano is a sysadmin who is passionate about helping to take back the Internet. Being primary a fan of BSD operating systems, he hosts public social services for like-minded individuals. Watch to find out how he does it.👀 Watch my entire MAIN playlist here
https://www.youtube.com/playlist?list=PL3KVgwMTWoO0wKgJWk3BBtB20okJvu_6q📍 Timestamps
00:00 Intro
00:52 Who is Stefano Marinelli
02:00 SDF inspiration and why we should take the bread from big tech
09:23 The cafe and what needs improvements
17:36 Mastodon censoring
22:22 Critical thinking
30:00 Technical: FreeBSD Jails
32:58 Technical: FreeBSD vs OpenBSD vs NetBSD
37:40 Outro❤️ Help Keep This Content Going
Memberships: https://youtube.com/@LinuxRenaissance/join
Patreon: https://patreon.com/LinuxRenaissance
Ko-fi: https://ko-fi.com/darth
Merch: https://shop.linuxrenaissance.com
Zorin Pro: https://zorin.com/linuxrenaissance📢 Join The Linux Renaissance Community On Matrix Chat
Matrix v12 Space: https://matrix.to/#/%23space:fosshq.org
Recommended Matrix client is "Element" from Flathub🎵 Music By
H0ffman: https://soundcloud.com/h0ffman/sets/protracker-amiga🙏 Linux Renaissance is supported by
OPNsense: https://opnsense.orgLinks within this video may contain affiliate links that I receive a small commission from.
#linux -
@thesaigoneer @darth thank you! Meeting Darth and the time we had together has been great!
Gli ultimi otto messaggi ricevuti dalla Federazione
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Mettiamoci anche quelli di Open.
https://www.open.online/2025/11/15/ucraina-corruzione-volodymyr-zelensky-timur-mindich/
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@marino222 il sintomo è un mistero per chi non sa ascoltare.
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Using the Pyroelectric Effect to Identify Broken MLCC Capacitors
Vintage computer hardware can fail in a variety of fascinating ways, with [Bits und Bolts] dealing with an interesting failure mode, in the form of degraded MLCC capacitors on Voodoo 2 graphics cards. These little marvels of miniaturized surface-mount technology enable the placement of ceramic capacitors with very little space required, but as they degrade over time or due to physical damage, they can cause big issues in a circuit.
In the case of the two Voodoo 2 GPUs that [Bits und Bolts] was trying to fix, the clue that something was wrong was graphical glitches, which seemed to be related to something dragging down the 5V rail. Using the standard ‘inject voltage and see what gets hot’ method, he discovered a couple of dead MLCCs and replaced them. But something was still dragging the rail down. Unfortunately, whatever it was wasn’t enough to heat up the part in question, and no sane person wants to desolder hundreds or even thousands of MLCCs on a PCB and see whether it makes a difference.
Ultimately, the pyroelectric effect was used to hunt down the culprit, saving countless hours of work. This is a property of certain naturally electrically polarized crystals, in which the material generates a voltage when heated or cooled. Materials like that used in MLCCs, for example.
With a hot air gun set to 200 °C and aimed at a specific MLCC, it was possible to measure changes not only in resistivity but also in voltage between the 5V rail and ground. The voltage spike was relatively minor for the smaller MLCCs, but the larger ones showed a significant voltage swing of around 2.5mV.
The culprit turned out to be a large MLCC, which showed only a weak pyroelectric effect and a resistivity that didn’t drop as quickly as that of similar MLCCs on the same board. After replacement, the faulty MLCC did indeed measure as faulty, and the card’s 5V rail now showed a healthy resistance level to ground.
In addition to knowing what kind of resistivity you should measure on a PCB’s voltage rails relative to ground, this method provides a fairly painless way to quickly find a dodgy MLCC. Just make sure not to try this method on electrolytic or tantalum. Heating those up won’t go well.
We often treat decoupling capacitors as more art than science, but of course, we shouldn’t. MLCCs can even exhibit the piezoelectric effect, too.
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@miles mi mandi una foto dell'insieme per vedere qual è? anche se alla fine montano tutti la stessa roba
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@evan what does the percentage even MEAN?
The US is Rome. We have and always have had serious issues, domestically, including being in the throes of teething for a country with under 250yrs. However, being top dog in a global scenario means your domestic safety is directly, inextricably linked to a stable, mostly safe world.
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«Quando il ghiaccio gela, tutti gli escrementi salgono alla superficie. Così, quando la dialettica si gelò, si videro risalire tutti gli escrementi sacri della dialettica. Quando il futuro è congelato, o anche già il presente, si vedono risalire tutti gli escrementi del passato.»
---[Jean Baudrillard, Cool Memories, 1980-1990]
