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Joined 3 months ago
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Cake day: April 27th, 2026

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  • got a busted Lenovo Ideapad 520ISK out of a dumpster, missing screen but otherwise perfectly functional. the thing has i5-7200u, 8 GB, two SATA ports inside and this prompted me to look up converting the thing into a server, specifically figuring out how to run 3.5" drives off it; I’m very anti-friendly towards using USB solutions for such a task.

    searching was arduous, both web and yotube, and except one lonely forum post (remember those?) didn’t find anyone attempting let alone succeeding in running it thus. the 2.5" and 3.5" connectors are identical (there are micro SATA to SATA adapters for the DVD port) but the drives will need 12 V that the 2.5" ports ain’t got.

    what I’ve concluded is that all that’s needed is a M/F SATA extension cable which I have trouble sourcing locally; the power will come from a separate ATX PSU for the time being, although I’m sure I can pull 12 V from somewhere on the board.

    don’t got no 3d printing nor fabricating options, so it’ll likely look super-janky, but that’s not a huge concern for me now. I’ll do a write-up if I succeed.



  • I’ve downgraded my server from 1st gen i7 10 GB RAM (don’t ask) to Core 2 Duo 4 GB with the same load and barely felt it. my entire infra including desktop, laptopS, tablet, phoneS, etc costs like a third of this “missed value”.

    not shitting on your choices, but positing that the price-gouging retail market is all there is, kinda disingenuous; there’s sooo much stuff being discarded although perfectly usable.

    like, I couldn’t bear the super-expensive raspberries while they were in the $50 range, let alone now. marketplaces are awash in busted laptops, with way better value and performance. discarded corpo desktops can house cheap HDD and run 24/7 for eons. etc.


  • way more modern CPU and chipset resulting in better power management; also faster and better graphics, but that’s not important for the use case. an undervolted i5 5250u can run with wifi and lit screen in the sub-5W range, netting you 10ish hours of continuous light use out of a decent battery and days of standby (that you can turn into weeks if you implement suspend-then-hibernate). you could make an earilier model work but the price difference should be in the $20 range, so why bother?

    edit: microSD, yeah, I guess you can boot off them but why would you want the flaky and slow mess when you got a perfectly fine PCI-E SSD?



  • macbook air 11 2015 8gb version. just this one and no other, no 13, no 2013, no 4 gb versions, etc.

    very linux friendly (once you sort out broadcom wifi drivers), sips power, tolerates undervolt. it’s useless to the apple crowd as it don’t got support for latest OS so it can be had for cheap, even more so if you wanna buy busted units and frankenstein together a new one. also, wide cross-gen parts compatibility. aliexpress got $5 USB-C to Magsafe2 adapter so you don’t gotta haul the charger around.

    don’t get the 12" ones, unless they’re close to free. spectacular screen, but the keyboard is atrocious and prone to die, with no option of replacing it, SSD is integrated so can’t get the data off it if something dies, fragile display connection, it’s a shit-show.














  • I mean I can’t stand the thing but this is basically paid-for nuthugging - watch me dunk on the team you hate. fluff, bereft of any semblance of standards. you’re allowed to pay for office but not install 7zip and any other utility. haven’t tried in the past decade or so, but I am sure you can make a usable workstation out of any windows - rip out the irritants, fall back on tons of stuff developed over what four decades?

    it ain’t GUI inconsistency issue; you got that plenty on the other side of the fence with Qt/GTK/Ayatana heterogeneity. and also not the thing where you can change a setting in three places, that’s also present ova here, in spades.

    the issue is MICROS~1 and I have a fundamental disagreement on the concept of “whose shit is my shit”. no other thing can alleviate that clash of interests, this is someone judging the quality of the chopped onions in a shit sandwich - don’t matter how skillful the chopping was or wasn’t, I ain’t having none of the thing.



  • all aftermarket batteries are shit. one of the manifestations of shittyness is that once they’re below a certain threshold, the battery controller won’t charge them no more. you’re advised to never let 'em drop below 20% of capacity. or else.

    if returning the things is not an option, you can open them up, find where the cells are connected to the controller and charge them there with an external PSU of commensurate voltage; i.e. if the battery is rated at 12V, you charge em with 12V and say 0.5A whilst constantly monitoring the battery’s voltage with an instrument. shouldn’t take long, maybe coupla minutes. once it reaches 10-11V, disconnect, plug in to the laptop and it should start charging.

    here’s me charging a “dead” macbook battery; worked just fine afterwards.

    https://defcon.social/@yuman/116680475876205754