all Apple devices are part of a covert peer-to-peer network and its primary purpose is to facilitate the Airtags and find-my-shit apps. it runs on desktops, laptops, phones, ipads, watches, etc., including when they’re supposedly off. you can’t turn it off or opt out of it and what that crap additionally does and how secure it is is unknown.

having said that, if you run linux on an old intel-based macbook or similar (say, up to 2015 models) you’re out of that racket and similarly all Apple or iCloud based crap. they do have a permanently enabled IME but that’s true for the majority of devices sold and, dependent on your threat model, isn’t an issue per se.

not sure about the “credit card” angle as you can’t buy a new Apple device that runs linux, the asahi mess is limited to M1/2 models which are like 5 years old at this point.

using laptops as a forever-plugged-in device (regardless if workstation or server) isn’t the greatest idea. as an intermediary solution, like until you have something more permanent in place, sure. otherwise, look elsewhere.

limiting battery charge isn’t available on all laptop models and is aimed at preserving the battery’s functionality; it doesn’t solve the issue of a forever charged and never emptied battery. on the other hand, removing the battery on a lot of models limits their performance, significantly.

what is a viable solution is if you get a laptop board that runs at full power without battery, you can remove the board from the laptop, retrofit it with better cooling and additional storage (mini-PCI or M.2 to SATA adapters) and you end up with an energy-efficient server. but that requires a lot of work and is not something recommended for non-enthusiasts.

in short, sell it or swap it for something more adequate.

I run all three of those (delta on hosted IMAP servers, matrix synapse, prosody for XMPP) for various clients and each has its own issues that need work. with deltachat there is no fallback if the project stops or gets taken over or whatever. with XMPP at least you have options, this client, that client, etc. as well as decades long development. based on that, some free advice (worth what you paid for it) - don’t give up on XMPP just yet. good luck.

it’s a super-shitty experience, both on XMPP and Matrix, and you touched only on one of the aspects. and that’s not even the bad part. the bad part is nothing better is on the horizon.

so what you gotta do is put on your big boy pants, sit down and figure this shit out. here’s where I made I misstep, let’s figure out how to do redundant backups and seamless restore accross devices. etc.

because, this is it. there is nothing better coming, you gotta learn how to make do with the tech we have. offloading your shit to benevolent dictators and hoping everything will be fine is not a strategy,

borg + vorta. borg is the undelying tech, vorta is the UI. the UI is a little bit rough around the edges but it’s immensely powerful for a wide array of use cases.

those things were designed to run off mechanical drives. so whatever you fit it with will be screaming fast. the bottlenecks you’re concerned with arise with workstation-class machines with fully implemented PCI lanes and such, which are pretty rare in laptops. HMBs also require a beefier CPU as all that buffering introduces overhead; not noticeable on a 6-core Ryzen, noticeable on a dual-core decade-old i5.

summarum: whatever SATA SSD you fit it with is more than adequate. obviously, don’t go with no-name “brands”. also, save yourself the bother and don’t dick around with adapters, just fit a regular SATA 2.5" SSD in there.

there’s this thing: STAR WARS GRINDHOUSE

skip the T470, T480 with 8xxxu cpu is the lowest you should go; the hardware is practically identical (and interchangeable!) but the CPU is a huge difference. also if you find them for cheap, there’s T490 (refresh), T495 (AMD Ryzen), and T14 (newer variants of the T4xx series with Intel and AMD CPUs).

the 12" version would be the X280, again single-channel RAM only. in the 12" space you also have Dell Latitude 7290/7200 (just the latitude series, no inspirons and friends) as well as HP Elitebook 820 (and 830) with 8xxx and newer CPUs. Elitebooks and Latitudes are Thinkpad T-series equivalents with similar build quality and features.

T480 can take 64 GB (2x 32 GB); no idea if more is possible. I imagine newer models could but I struggle to remember seeing 64 GB SO-DIMMs… P15 can fit four sticks so that should be possible, but them things have beefy CPUs, are rather large, and also have Nvidia graphics so dunno how low-power you can make those.

you’re kinda outside of the intersection of cheap and still capable with that spec. do make a write-up if you succeed, that sounds interesting.

that’s the part that’s bothering you? not evil corp doing evil things in the charge of its evil overlord?

I’m referring to semi-modern laptops you’re most likely to get out of some corporation’s dump of obsolete tech, but that’s still usable - let’s say T480 and onward. you can retrofit those with tons of RAM, cheap storage, they have capable quad-cores, etc. you can get something like a T14 Ryzen 6-core with 32 GB RAM and a 1 TB SSD in the $200 region, if you do everything yourself.

everything before that is proper old tech, with predominantly anemic dual-cores (the ones you mention have single-channel RAM) and as such are a fun tinkering project, similar to the cyber deck projects - costs a lot of money, doesn’t do much. on the other side of that fence are power-hungry haswells and friends that can’t be wrangled into single-digit Watt/Hour territory however hard you tried.

so if you get one of those for free, or close to it, and you have parts laying around, by all means - this is as close you can get to the bespoke PC build in the laptop world. but ixnay on bying a decade old laptop for work and/or education.

edit:

X260 vs T14, negligible size difference

first off, “lenovo” is not the thing to get, it’s just a subset of those - thinkpads. and even then, not all of those - just the T and P series. those are the “pro” lines, durable, dependable, expandable, serviceable, and widely used. so when corporations swap out their fleet for new models, they flood the market and hence can be had for cheap. multiple generations of the same model are cross-generation compatible, so they share the same peripherals, like docks, have interchangeable parts, like keyboards, displays, etc.

don’t get used ideapads, thinkbooks, thinkpad E/L series, etc. those are either consumer-class models, have substandard features, are incompatible with each other, etc. don’t get the yogas and S-suffix models, as you’ll have a removed time servicing and/or upgrading those.

the whole point of getting something used, i.e. something that was touched and rubbed and spat all over, is if it’s a) in good enough shape and b) you get it for cheap. you took care of of item A when going for thinkpad T-series and you’re compromising on item B if you’re going through an intermediary.

them dudes you mention are skinning you alive - 500 EUR for a T14 G1 is insane, it should be less than half of that. I also like how they’re including none of the tech specs which just ups the ick factor.

a distribution is just an assortment of packages, it’s the same linux + driver underneath. nvidia on linux is a headache. are there people who made it work? sure. is that a worthwhile waste of your time? it is not.

get hardware that’s linux supported and you’ll have plenty of challenges during the transition, you don’t need the additional “self destruction in…” countdown timer booming from the speakers.

if you still wanna have at it, pop_os (however it’s spelt), bazzite and nobara are some od the distros that have dedicated nvidia install images and are thusly more likely to work OOB and work better afterwards.

do you have a ballpark figure of potential savings in $/€ per annum? and for what hardware? I remember calculating something similar and I don’t think I broke $20 in total, so promptly forgot about it.

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that’s pretty standard for laptop panels, most enterprise models (thinkpad, elitebook, etc.) ship with similar spec (6-bit, 256K colors, 200ish nits, 70ish sRGB). that’s what essentially this is, salvaged laptop panel + cheap controller board + plastic. for $50, it’s okay.

there are monitors with better specs (e.g. there’s a 16" one with purportedly 100% sRGB), but those are aliexpress specs so I wouldn’t put too much stock in those.

so one cable for both video and power via USB Type-C? phone, laptop, which model? tried it under wayland, issues? thanks

them monitors have standard HDMI in, so anything can drive them. for power, there are USB power inputs (a powerbank is easily taped to the back), and then another cable to relay touch. so, kinda cumbersome…

what’s way more interesting to me is that they have USB Type-C and there are youtube videos showing phones attached to them with a single cable transmitting video and power and relaying back touch input! not all phones support that, e.g. flagship samsungs do, the ones that support Dex.

question is, how does a laptop that supports DP-Alt handle that; there aren’t any videos of users achieving same functionality that way. like, if a phone can power it I’m sure a laptop with 10x the battery can do as well… or?

and then, there’s the main reason why this is in “Linux”… how and does it work with wayland and friends?

try it with a live USB with Gnome as it is way more touch friendly. Fedora latest recommended because the live USB has a Wayland session (older versions default to X11 and a buncha touch and transition features are Wayland-only).

as to seamless transition, no DE on linux is there yet. Gnome is way better than it was a year or two ago in that regard, but flakyness is still present, expecting the polish and reliability of Android or iPadOS isn’t realistic.

tried 'em all and they all suck. it’s possible there are options that work for monolingual people, but for simultaneously using 3-4 languages without annoying switching back and forth, there is no alternative.

since android 15 you can disable network access to any app and that’s how I run gboard, the only google app I have on my mobile devices.