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Attacking UNIX Systems via CUPS, Part I | CUPS Remote Code Execution
  • I mean, OK, it's a vulnerability and there are interesting implications, but this is hardly significant in any pracitcal sense of the word.

    the potential victim has to run their system without a firewall, has to print to the printer they've never interacted with before and then the attacker can run shit with whatever the printing system's user id is, which shouldn't be an issue on any reasonably modern distro.

    I routinely remove cups and friends from any system I run because I have no need for printing and it bothers me to see it constantly during every system upgrade.

  • Selfhostable notes app that encrypts the files on Disk?
  • I wanted to write the same thing. have the notes app do the notes thing and handle encryption elsewhere.

    as to apps, I suggest QOwnNotes. it's markdown, highly configurable so you can make it minimalistic AF, stores notes in invidual files and folders. it also has a bunch functionality like syncing to nexctcolud and such, but I'd advise against it, just use it as a notes editor. you don't have to selfhost anything, make it use the e.g. Documents/Notes folder and you can use syncthing to securely replicate it to other devices.

  • Telegram To Disclose Phones, IP Addresses At Authorities' Requests.
  • friend should nuke this crapware and use syncthing for such activities. if they happen to run jellyfin, they can use it to serve books as well, and by utilising the OPDS plugin it would allow compatible readers (e.g. KOReader) to directly download books/comics to the device in a shop-like interface.

  • Telegram will disclose users' IP adresses and phone numbers to authorities, Durov says
  • because things moved forward in the last decade or so and it's not viable. the same way matrix and element and those ridiculous things aren't viable and never will be. can you use it today? absolutely. can you convert normies to it and make it an actual widely used comms platform? no. fucking. way.

    this is coming from a guy running their own prosody instance and utilizing rocketchat on two separate client instances. yeah, I know how to set it up and deploy it; but the amount of absolutely credible complaints I get from normies forced to use it staggering.

  • Telegram will disclose users' IP adresses and phone numbers to authorities, Durov says
  • to me it looks and feels like shit, compared to Durov's spyware it's like a PoC from 2015 looking for funding. fine demo you got there, now bring us the real thing.

    but, to practical things, I lose/sell/buy/switch devices frequently. with telegram, I can lose all my devices, log on from a fresh one and all my shit is there - a decade+ of convos with 100s of people with valuable info. no juggling around with the crappy electron desktop app that doesn't give me access to convos or the inane procedure to replace a lost device and restore chat history... the other day, I successfully retrieved a piece of info from a convo from a decade prior.

    I realize there are people out there that need that sort of security, but I don't. I just want Telegram with an OTR plugin (OMEMO nowadays) that prevents any nascent mass surveilance and LLM ingestion and I'm golden. but that shit's explicitly against Telegram's ToS; the only logical conclusion is they're adamant about leaving all your shit unencrypted in the cloud for some specific reason.

    I can't think of any such reason that's not malevolent.

  • Telegram will disclose users' IP adresses and phone numbers to authorities, Durov says
  • regarding its UX, nothing close exists; when it comes to converting normies, so you have someone to actually talk to, then there are no alternatives. that's a pretty shitty state of affairs for something that shoulda been solved a long time ago.

    lesson learned, I guess, don't put all your eggs in one basket and have multiple fallback solutions. I've begrudingly moved to Signal and I'm cursing it out at least once per day, can't believe the navel-gazing, self-righteous cluelessness behind it; but that's the best there is at the moment. it's beyond shitty that we're having trouble achieving what we had in like 2012 by way of XMPP and friends, let alone surpassing.

  • What can I do with my super old laptop?
  • I'm trying to utilize a couple of core 2 duo macbooks for the same purpose and it's not going great. I have twice the cores and RAM but they're stuck at 800 MHz, because of no batteries.

    anyhow, very slow and issues with a lot of codecs I throw at them. try mpv without a DE/WM.

  • Apple AirTag alternatives for theft prevention?
  • air tags function by utilizing the ad-hoc network all Apple devices create - if you run an Apple device, you're involuntarily part of this P2P network, even when your device is supposedly off. otherwise, said tags wouldn't be able to send you status reports from the other side of the planet. that's just how they and find-my-shit apps work, there are no alternatives to global availability.

    all that's kinda antithetical to the whole privacy thing, so you'll have to balance the good with the bad and determine how much spyware you will tolerate to gain this sort of convenience.

  • Some thoughts on the X230 with i7-3612QE upgrade
  • superb write-up. yeah, the price tag is absolutely eye-watering levels and the classic car is an apt analogy. if you're not an tinkerer/enthusiast, don't even think about something like this. I got a T14 Gen1 AMD with a busted screen for $100 even, with original battery, that thing runs circles around this Ivy and is like half the heft, despite 14" > 12".

  • PS3 is a pirate's dream!
  • sure, that's also viable. I just never had the console experience, so was inclined to share.

    come to think of it, I tried it a few months back but it was pretty slow (tried RDR1 on a R5 5600/RX 570 with Fedora 40 KDE). supposedly it's way better now

  • PS3 is a pirate's dream!
  • yeah, that was a big dissapointment that it supports only like three FW versions, and even then it's a tethered JB. but, that would be an awesome machine, very competent hardware, supports large disks, SSDs make a huge difference, newer gen hardware so way less heat related deaths, etc.

  • PS3 is a pirate's dream!
  • the way I understood it is CFW allows all models to play PS2 games. I tried God of War and some Tekken, forgot which, started up without issues. I also have some settings to upscale PS2 games, don't know if that's a CFW thing or if that's standard.

    also, some fat models have real PS2 hardware in them, so no need for emulation.

  • PS3 is a pirate's dream!

    cross-posted from: https://lemmy.ml/post/20403604

    > if you're a long time PC games pirate, I'd like to divert your attention to an area you probably haven't looked at (I know I haven't) - Playstation 3. > > you're free to look up its history, but in short, it's tech that premiered in 2006, so def on the old side. nevertheless, it's still in active use with game development reaching into 2017. > > the kicker here is - it's almost flawlessly jailbreakable, allowing you to play anything that was produced for it, including games for PS1 and PS2! two caveats: a) I haven't registered nor used a PSN account, as I see no value in it so no idea if network play works and b) I only tried 15 or so games. > > they can be had in the $30-50 range, the older models (fat and earlier slim) being preferable because they support the persistent hack, while later slims and superslims are less so, but still hackable with a non-persistent hack (you need to patch it every time it powers on). > > the hack is super easy and straightforward and involves no hardware mods of any kind - it wouldn't hurt to clean and repaste a 20 year old device, though. the new hack with the custom firmware (CFW) is persistent, so it's there forever unless you decide to flash the original firmware (OFW). > > because it's such an old platform there isn't super active resistance from sony towards the hack scene, so you should be good on that front for many, many moons. in contrast, the rare PS4 hacks are quickly patched and rendered useless, even though it's pretty ancient tech from 2012. > > I stumbled onto one by chance, found a broken device sans Blu-Ray drive, seemingly useless for normies. thanks to the super-active community at psx-place, I was able to resurrect it, flash the latest 4.91 CFW with a noBD patch, got me a fake sixaxis game pad and an old 500 GB drive and everything works beautifully! > > you can get games from dedicated "ROM" sites as well as torrents; I'm not overly familiar with the malware situation but I doubt it's a serious concern. the games can be transferred over the network using plain ol' FTP, copied from USB drives or even played directly from those. although it was the primary method of game distribution, I haven't needed the BD once. there are mods with store-like interfaces that allow you to directly download games from the internet and install them to the disk. also, DLNA is supported, I managed to play movies from my Jellyfin server! > > although it won't hurt it, SSD are probably overkill. the SATA1 interface it has is congruent with transfer speeds of mechanical drives, so you're fine with repurposing one of those, as they can be had for next to nothing; max size is 1.5TB. > > I've gotten a cheap sixaxis clone; cost me $10 NiB and it works. I don't know if I suck at playing dynamic games because it's shit or because I plain suck (never played with a gamepad before), that remains to be seen. I'm def not buying an original because they cost like $50+, and I'm not getting them used because yuck - who knows who sweated on them and what else they did with it. > > a word of warning - you shouldn't spend a ton of money on them because it's decade+ old tech that's on the uptick part of a bathtub curve. the graphics chips they had, especially the early models, are prone to die and repair isn't viable. > > it took me a while to piece together all the info as I've never had any interactions with consoles of any kind, let alone the hack aspects of it. if you're similarly challenged, ask away here or on ps3piracy and I'll try to help!

    6
    PS3 is a pirate's dream!

    if you're a long time PC games pirate, I'd like to divert your attention to an area you probably haven't looked at (I know I haven't) - Playstation 3.

    you're free to look up its history, but in short, it's tech that premiered in 2006, so def on the old side. nevertheless, it's still in active use with game development reaching into 2017.

    the kicker here is - it's almost flawlessly jailbreakable, allowing you to play anything that was produced for it, including games for PS1 and PS2! two caveats: a) I haven't registered nor used a PSN account, as I see no value in it so no idea if network play works and b) I only tried 15 or so games.

    they can be had in the $30-50 range, the older models (fat and earlier slim) being preferable because they support the persistent hack, while later slims and superslims are less so, but still hackable with a non-persistent hack (you need to patch it every time it powers on).

    the hack is super easy and straightforward and involves no hardware mods of any kind - it wouldn't hurt to clean and repaste a 20 year old device, though. the new hack with the custom firmware (CFW) is persistent, so it's there forever unless you decide to flash the original firmware (OFW).

    because it's such an old platform there isn't super active resistance from sony towards the hack scene, so you should be good on that front for many, many moons. in contrast, the rare PS4 hacks are quickly patched and rendered useless, even though it's pretty ancient tech from 2012.

    I stumbled onto one by chance, found a broken device sans Blu-Ray drive, seemingly useless for normies. thanks to the super-active community at psx-place, I was able to resurrect it, flash the latest 4.91 CFW with a noBD patch, got me a fake sixaxis game pad and an old 500 GB drive and everything works beautifully!

    you can get games from dedicated "ROM" sites as well as torrents; I'm not overly familiar with the malware situation but I doubt it's a serious concern. the games can be transferred over the network using plain ol' FTP, copied from USB drives or even played directly from those. although it was the primary method of game distribution, I haven't needed the BD once. there are mods with store-like interfaces that allow you to directly download games from the internet and install them to the disk. also, DLNA is supported, I managed to play movies from my Jellyfin server!

    although it won't hurt it, SSD are probably overkill. the SATA1 interface it has is congruent with transfer speeds of mechanical drives, so you're fine with repurposing one of those, as they can be had for next to nothing; max size is 1.5TB.

    I've gotten a cheap sixaxis clone; cost me $10 NiB and it works. I don't know if I suck at playing dynamic games because it's shit or because I plain suck (never played with a gamepad before), that remains to be seen. I'm def not buying an original because they cost like $50+, and I'm not getting them used because yuck - who knows who sweated on them and what else they did with it.

    a word of warning - you shouldn't spend a ton of money on them because it's decade+ old tech that's on the uptick part of a bathtub curve. the graphics chips they had, especially the early models, are prone to die and repair isn't viable.

    it took me a while to piece together all the info as I've never had any interactions with consoles of any kind, let alone the hack aspects of it. if you're similarly challenged, ask away here or on ps3piracy and I'll try to help!

    44
    anyone started late with gamepads?

    I guess this should be an appropriate community, participants possibly on the older side... so, I only recently got my first gamepad. played with keyboard and mouse up until then.

    so, with a couple of games I tried (tomb raiders, uncharted, NFS, etc) it's kinda going but I suck at anything that needs fast responses, like aiming and hitting moving enemies; don't think I'd have any trouble with a mouse.

    so I guess my question is - any old timers around that got good at this late in their gaming career?

    11
    anyone running with metatarsalgia?

    have issues with my feet in the metatarsal region. no idea if it's temporary or there for good. just checking if this means no running for me ever or are folks out there running with this condition. thanks.

    3
    too mucho wobble on the rear axle?

    I know some wobble is OK, but is this too much wobble on the rear axle? replaced the axle and the bearings, greased them up, screwed all into place. can't remember what it was before I replaced it, am I good here?

    5
    resurrecting a fat PS3

    found a Playstation 3 (model CECHH04) by the dumpster. cleaned it up and inspected - it's missing the BD and the HD and its cage; I jammed a normal 2.5" HDD in there and stuck some cardboard around. the light turned green, the HD spins up, the fans are spinning and the TV shows it's alive - no OS though.

    I've downloaded Sony's official firmware and also some evilnat CFW jailbreak; tried both but the prompt on the TV is to attach a controller to the USB and press the PS button, which I haven't got. can I do something without it? tried a noname PC gamepad and keyboard but no go...

    7
    Chromecast Jellyfin issues

    anyone got Chromecast with Google TV 4K working with Jellyfin? it runs Android TV, gets the Jellyfin app and then stuff starts breaking.

    It can't connect to the server intermittently, playback stutters, stops, breaks... the server reports the file is direct play and no issues.

    Five other devices have no problems of any kind, only this fucker has spells constantly.

    21
    Displayport/HDMI support on budget phones

    anyone managed to attach a monitor to a Poco F1 or Oneplus 6/6T?

    4
    Personal Finance @lemmy.ml dingdongitsabear @lemmy.ml
    Please explain leverage to me

    can someone explain leverage to me as practised by those RE bullshitters finfluencers. I feel their whole spiel is just bullshit but I don't know enough to be sure about it.

    according to them, you "buy" a home - you put X% down and pay your first monthly (and then post on r/firsttimehomebuyer). then you go to (another?) bank and say "look I got this house I wanna use as collateral" and they go "wow you own a house! sure, have this bag of money"... repeat until you "own" like a city block.

    like, how does that not crash and burn at the first step, just a cursory glance at the asset's status? how are they not "lol you ain't got no house dumbass come back in 20 years when you actually own it"?

    5
    FOSS Media Playback Device

    I want to create a minimal install for mpv playback through jellyfin-mpv-shim and macast. this is going to be a base for a FOSS media sink akin to a Chromecast. you attach it to your TV and it plays whatever you send it, like movies from your jellyfin server and youtube/vimeo/piped/etc videos. otherwise, there's no interaction with it, it doesn't handle input (remotes, mice, keyboards, etc.), it's controlled via apps (jellyfin android and allcast).

    I've already made a proof-of-concept device running debian 12 with Plasma and it (mostly) works. now I'd like to trim the fat and install only what's absolutely necessary as I currently only have a 2006 macbook with busted screen and GMA950 with a mechanical HD. I'm gonna go with LAN only so I don't have to dick around with broadcom WLAN.

    what do I need in terms of DEs and/OR WMs? do I need those at all? I seem to remember that I could run firefox in kiosk mode without anything else but X11, could I run mpv like that? or possibly wayland? what would be the absolute minimum package-wise to achieve this?

    to reiterate, it's only going to display full-screen mpv when there's video to play, no menus, navigation, nada. possibly some slideshow-while-idle thingy in the future if it doesn't add too much in terms of software needed, but not right now.

    19
    DIY software KVM (keyboard-video-mouse) switch

    I hate spending money on hardware when there's a software solution. like, I've got a subwoofer from a 2.1 system (without satellites) for free. instead of sourcing speakers for it, however cheap they might be, I'll just utilize the speakers from my monitor. pipewire to the rescue, it creates a combined sink that outputs sound to both DP and analog audio, et voila - a 2.1 sound system. people are like "your monitor sounds like that!?" and usually I play dumb: "yeah, yours doesn't? well that's linux for ya".

    so, I have a desktop and a laptop and I'd like to share the same monitor, keyboard, and mouse. modern monitors have a KVM switch integrated, you connect your keyboard/mouse/etc. to it, one USB Type-C cable to the laptop, a couple to the desktop and you have a seamless switch; it even charges the laptop, how cool is that!

    however, my monitor works just fine and I don't replace my hardware unless I really have to. USB KVMs with similar functions aren't cheap. also, the monitor already has multiple display inputs so I got to thinking, how do I re-create this with no money, or as little as possible, with DIY tech?

    first, switching the display; this one took me no time at all. I have a USB Type-C to DP cable (with DP-Alt) and with the power of udev (detect a connection then trigger stuff) and ddcutil (sends commands to the monitor) I got it working as seamless as possible - I connect the laptop and it automagically switches the monitor over. when I disconnect it, the monitor falls back to an active connection, which is the desktop. awesome!

    now how about switching the keyboard and mouse over? I'd like to do it in software, like barrier/inputleap does it but without having to move the cursor to the adjacent monitor. also, both machines are on wayland which isn't supported. eventual input lag to the laptop is unimportant, I game on the desktop. no idea if that can be accomplished or if that's even a thing...

    that is a thing - it's called USB/IP, i.e. sharing your USB device over TCP/IP; it's a kernel module included by default for a long time now and that thing rocks! not only does the USB keyboard work without any perceivable lag on the laptop, it get's "disconnected" from the host, so your keypresses aren't disturbing the host. since it's a kernel module, no need to convince wayland to play ball! this also works for webcams, scanners, readers, etc., the client system thinks this is a local device and it just works.

    so all we have to do is expand the shell script to bring over the keyboard and mouse along with switching over the monitor once the USB-C connection is detected annnd... success!

    well, sorta. my wireless mouse is second-hand and I haven't got the USB receiver for it, so it connects over bluetooth. tried sharing with usbip and it works, but the radio connection gets interrupted or something and the mouse doesn't work there. maybe there's a workaround but I don't want to dig further.

    also, how do I switch back to the desktop to shoot some peggies? I don't want to disconnect the laptop manually so I could come up with a slew of shell scripts and udev triggers and I'd also need a ssh tunnel, I don't want my keyboard input to travel over the LAN in cleartext, etc... kinda cumbersome. also, once the novelty wears off, the automagicallity gets tired, I'd prefer manually switching between devices with a keyboard combo.

    enter rkvm. it's written in rust and as everybody knows that's super awesome. unlike usbip, comms are encrypted, so no sniffing possible, and hotkey switching is a default function, and it also handles the mouse!

    now, rkvm currently doesn't support triggers, like "do X when hotkey combo pressed", but Plasma can handle running the monitor switch script on each device separately by listening to the same hotkey combo.

    both solutions have their advantages and disadvantages, usbip requires more legwork but is more powerful whereas rkvm is simpler and easier to set up.

    the final step, powering the laptop over the same cable. sadly, can't handle that in software, but there are power delivery injectors out there, some as cheap as $7. also, there's this cool project, looks easy enough to source and implement. not sure if I'm going that way or just go with a used dock station, as those can be had for a song for popular business ex-flagships, like the Thinkpad T-series, HP Elitebooks, Dell Latitudes, etc..

    are there downsides? sure there are. numero uno, the host (desktop, in my case) has to be on all the time. not a big deal for me, it gets woken in the morning and suspended late at night. there are edge cases when rkvm geeks out, but for a thing that's in its 0.x version, this is more than usable.

    so, I've been using this setup for the past week or so and haven't yet found it to break or have any negative side-effects. gaming on the desktop is as snappy (or shitty) as ever and using my mech keyboard and giant screen on the laptop allows me to easily compartmentalize my business and private stuff.

    thanks for reading!

    edit: edited title to clarify I'm talking about a Keyboard-Video-Mouse switch, not a Kernel-Virtual-Machine.

    7
    AMD Zen3 Linux compatibility upgrade question

    I'm considering upgrading to a Ryzen 5 5600, they've finally come down to $100 locally (tray version sans cooler).

    currently, I have a 1600AF (lower binned 2600, so Zen+) on a B450 board. the upgrade should be straightforward, my board supports it (latest BIOS) and it has the same power rating, so my cheap-ass PSU and stock cooler don't need upgrading.

    reason I want to upgrade is I have a number of issues with it under linux so I'd like to check if someone runs a similar setup.

    first, I have Cool & Quiet and C-states disabled and Power Idle Control to "Typical Current Idle"; otherwise the machine freezes when waking from suspend after a short while. the second issue is, I have 3600 MT/s Kingston Hyper-X modules that I have to run at 2400 because both XMP profiles (XMP1-3000 and XMP2-3600) are unstable and cause apps to crash (the latter sometimes won't boot at all, can't unlock LUKS).

    supposedly, both those issues are fixed in newer gens; old Zen/Zen+ had issues with faster RAM, and the C-state handling is also better in Zen3. also, I can use the new amd-pstate driver.

    my PC is plenty fast as is, I'm only considering upgrading to fix them two issues. if it's the same on the other side of the fence, I'd rather skip it.

    anyone had first-hand experiences with this?

    edit: thanks everyone who took the time to share their setup, I'm way more optimistic about making the jump!

    13
    Radarr lists

    cross-posted from: https://lemmy.ml/post/11999240

    > anyone know what the last option does? I want to remove movies that were added by the list but were then taken off it. but the way it's written, it sorta implies that all movies that aren't on a list will be removed, which is what I very much don't want.

    3
    Radarr lists

    anyone know what the last option does? I want to remove movies that were added by the list but were then taken off it. but the way it's written, it sorta implies that all movies that aren't on a list will be removed, which is what I very much don't want.

    1
    Android battery health

    cross-posted from: https://lemmy.ml/post/10113624

    > what's a reliable way to determine my device's battery health? something like Coconutbattery for macOS - charge cycles, health, factory/remaining mAh, etc... > > ! > > tried CPU-Z, says health is "Good". gee, thanks... out of what, "Excellent" through "Shit" or what? > > backstory, I got a Samsung Tab S6 used, wiped it and installed LineageOS 20 and I'm using for a couple of months. the battery kinda sucks. granted, I have like 3-4 hours SOT/day but a 7000 mAh battery should last a couple of days; pure guesstimation, I had an iPad some years ago and that thing lasted for eons. > > if I leave it overnight with 10ish% battery remaining and battery saver on, it's dead by morning. that sort of drain can't be normal? on the other hand, I don't have google services so every app has its own running service - syncthing, KDE Connect, Allcast, Jellyfin Player, etc. > > there's the stuff I can read from /sys/class/power_supply/battery/ but nothing useful in there; like charge_full and charge_full_design are the same (70400) and other promising sounding items are unset or nonsensical. > > ! > > tried the same on my Redmi phone w/LOS, completely different files there and equally useless. > > I don't wanna go through sourcing the battery, prying the thing open and replacing it, only to find out that's how it's supposed to work. any ideas? >

    4
    Android battery health

    what's a reliable way to determine my device's battery health? something like Coconutbattery for macOS - charge cycles, health, factory/remaining mAh, etc...

    !

    tried CPU-Z, says health is "Good". gee, thanks... out of what, "Excellent" through "Shit" or what?

    backstory, I got a Samsung Tab S6 used, wiped it and installed LineageOS 20 and I'm using for a couple of months. the battery kinda sucks. granted, I have like 3-4 hours SOT/day but a 7000 mAh battery should last a couple of days; pure guesstimation, I had an iPad some years ago and that thing lasted for eons.

    if I leave it overnight with 10ish% battery remaining and battery saver on, it's dead by morning. that sort of drain can't be normal? on the other hand, I don't have google services so every app has its own running service - syncthing, KDE Connect, Allcast, Jellyfin Player, etc.

    there's the stuff I can read from /sys/class/power_supply/battery/ but nothing useful in there; like charge_full and charge_full_design are the same (70400) and other promising sounding items are unset or nonsensical.

    !

    tried the same on my Redmi phone w/LOS, completely different files there and equally useless.

    I don't wanna go through sourcing the battery, prying the thing open and replacing it, only to find out that's how it's supposed to work. any ideas?

    8
    need help fixing a hardware problem using linux

    so, I have a weird problem with a Dell Latitude 5285, that's a 2-in-1 with a detachable keyboard akin to the MS Surface Pro 5. it has an i5-7300u, 16 GB LPDDR3 (on-board), 500 GB NVMe, 12.3" 1920x1280 3:2 touch screen.

    I got it second-hand, unknown history, without a battery. they're stuck at 400 MHz without one, but Thottlestop in Windows and msr-tools in Linux fix the BD_PROCHOT throttling and the machine performed adequately for months.

    I've sourced a replacement battery, removed the patch and my problems started. there's weird screen flickering, looks like bad video ram or a flaky connection. it's intermittent, sometimes it runs without issues for hours, sometimes minutes and sometimes it flickers from the start, so troubleshooting and checking if this or that fixed things takes days.

    the artefacts are inconsistent with anything that is or isn't happening (load, temps, etc) or power source. the problem is mostly exacerbated when the battery is full and/or when waking from sleep, it's almost always super glitchy then.

    here's a demonstration:

    would be great if I could try a different battery or try this one in another device, but don't have that option.

    at no point are there ANY glitches on the external display (tried DP-Alt over USB Type-C and HDMI over Dell WD19 Dock), regardless if the internal screen is enabled or not.

    so, bad luck - faulty screen or backlight or RAM or something, right?

    except, when I unplug the battery (but leave it in place) and connect it to power and reenable the BD_PROCHOT patch - zero glitches! it runs for hours - videos, GPU and CPU stress test, not one hiccup, tear, nothing!

    if it were a normal laptop, I'd just leave it be and use it as a desktop. it feels like such a waste with the functional touchscreen though.

    what I've tried:

    • different USB Type-C chargers
    • fresh paste on CPU, clean vent
    • latest firmware, tried downgrading, no change
    • memtest passed twice on thorough, all clear
    • internal diagnostics also
    • it never froze or crashed
    • screenshot during glitches doesn't contain them
    • disabling turbo, upping/lowering the max/boost GPU clock, forcing cores offline, limiting max frequencies with TLP
    • the battery isn't deformed and doesn't exert pressure on the screen or any cables; also tried running it with the screen slightly lifted from the case, no change
    • pressing, jerking, wiggling of the internal display cable/connector, no change
    • same issues in Windows 11, Ubuntu 23.04 and Fedora WS 38; rarely but sometimes in BIOS/during boot
    • sadly, can't undervolt the CPU/GPU (Throttlestop FIVER says it's locked) but some MSR writes are apparently OK (like disabling BD_PROCHOT works).

    at some point, it had both charger and dock with PD attached at the same time to both USB Type-C ports; it's possible this fried something, although I have no evidence of that.

    so, I'm sure this is NOT a linux hardware problem, but I would like to use linux to fix the problem. at this point, I am sure it's defective, whether it's age or physical or manufacturing defect or whatever; but since it definitely works perfectly without the battery, I'm looking for some tweaks that makes it perform with the battery the same as without it.

    seriously doubt anyone's seen anything similar but are there any ideas what to look at? what to try?

    edit: I'm not asking for free hardware troubleshooting, maybe I haven't expressed myself succintly. what I'd like is some sort of snapshot of all relevant registers with battery working. and then one without. and then have somehow the difference between those two computed, so I can see which setting I need to tweak. would this be doable?

    26
    Fedora Linux @lemmy.ml dingdongitsabear @lemmy.ml
    .local resolution not working on fedora minimal install

    I can't resolve (ping, ssh) any computer on my network from a newly installed minimal Gnome Desktop F39 on a laptop; since it's minimal, it's possible something's missing from the installation.

    trying from the laptop gives: $ ping server.local ping: server.local: Temporary failure in name resolution

    pinging .box static DNS entries as well as IP addresses works. all other computers can resolve each other and the new laptop (1 debian, 1 fedora, 1 macOS), some have static, some dynamic IPs. they all get the DNS IP of my pi-hole, which resolves everything fine. resolve.conf and all other relevant files are stock. avahi and systemd-resolve are running and report no issues. same behaviour with WiFi and LAN.

    I could switch to static IPs and assign e.g. .box suffixes all around via local DNS but I don't want to do that, this setup is/was working on every other PC.

    any ideas what I'm missing?

    edit: just booted off of a live USB with F39, resolves server.local just fine. so I'm missing something in my installation, right?

    edit II: installed it (minimal) on another laptop, same deal - no .local resolution.

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    what's currently the best solution for a windows install

    I haven't had anything to do with windows in like 5+ years. I need to set up a laptop with it for someone tomorrow, I'm guessing W11 is nowadays recommended? what's currently the best option for a hassle free experience (no ads, no random game installs, no migrations to onedrive, etc)?

    last time I did it, I used the W10 ISO from Microsoft, applied the hwidsomething and ran some debloater from github. back then there were some ESR LTSC ISOs available on torrent sites, is that still a thing?

    the install is going to use firefox, chrome, skype, libreoffice, etc., they all autoupdate themselves, so it's going to be reasonably secure. what's my best bet for a set & forget situation? thanks.

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    dingdongitsabear @lemmy.ml
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