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Ceterum Lemmi necessitates reactiones

  • 4 Posts
  • 214 Comments
Joined 3 years ago
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Cake day: August 26th, 2022

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  • You’re absolutely right about not being good for businesses; most of those don’t use Wireguard, though, unless that’s changing. It’s usually some proprietary crap.

    The problem with renting a VPS - of which I already have several - is that at some point you have to pay for the data. Either it’s uncapped, but throttled at a certain number of GBs, or you pay a rate per GB. The hell I’m going to pay T-Mobile and have to pay more because they don’t allow VPNs.

    But, it’s starting to sound like they don’t block them, so it’s probably all good. Worst case scenario, I suppose I can always go crawling back to Comcast.


  • I don’t use it myself - I’m more a keyboard guy, and use lightweight tiling WMs - but my wife’s laptop is running KDE and Plasma. I have to say, whenever I go into the machine to do maintenance, I’m surprised at how far KDE has come. It looks polished, professional, and attractive; there are no glitches or weirdness (that plagued Plasma in the early years), it’s smooth, and just… really nice. Really nice. I wouldn’t hesitate to install it on any computer for friends or family, distro choice notwithstanding. Not sure how it would run on a resource starved ARM micro computer; I might still think twice about that, but given that you can get a reasonably powerful, 12-core AMD mobile CPU-based mini with 16GB RAM for, like, $300 on Amazon, I can’t imagine why anyone would try to run a desktop on Pi anymore anyway.



  • The reason I asked here was because my search popped up some results from people saying they had trouble with VPNs on their T-Mobile service.Some were on Reddit, which I can’t get too unless I bounce around and find an exit node they aren’t blocking, which I’m too lazy to do; and all of them were AFAICT about cell data service. I didn’t find anything that mentioned fiber.

    But, if they block VPN on one business unit (cellular), they’re more likely to block on others, so I thought I’d check.





  • Did you look through the github project management list?

    While it doesn’t meet any of your requirements, I firmly believe the best project management software is Taskjuggler. You have to be able to write software to use it, because it’s a language for defining tasks and projects, and it can get quite involved. But it is an excellent educational experience that exposes just how much people futz with Gantt charts to get what they want to see, vs the reality. It is also unparalleled in exposing resource use and needs.

    At it’s most complete, here’s a taste of what it looks like to use it:

    You declare all your resources and their capabilities (John is junior and is 60% as efficient as Mary). You define a project, broken down into tasks at various and increasing levels of detail, including priorities and estimated effort, and assign teams and resources. When it’s all defined, you compile a Gantt chart and it will show you exactly how long everything will take: when things will start and end; and that you can’t deliver X and Y at the same time because while you have enough developers, the QA servers can’t be used for both at the same time.

    It’s incredibly tedious and frustrating to use, but after a while when you get the resource definitions really dialed in, I know of no other tool that predicts reality with such accuracy. It’s definitely ideal for for the waterfall minded, although it can be used with agile if you keep it to the release scope; you can record both expectations and reality as time passes.

    It’s not a lightweight process, and I haven’t met a project manager yet who could or would use it; it’s quite intensive. You do have to define a complete and comprehensive picture of everything impacting your project, and honestly i think that’s most of the value as most teams just wing a bunch of stuff - which is why estimations are so frequently wrong. It does tend to eliminate surprises, like the fact that half your dev team just happen to be planning vacations at the same time in the middle of the release cycle, or Management is having a big two-day team building event. If you can see it in a calendar, you put it in the plan and assign the people it affects, and the software calculates the overall delivery impact.

    It’s a glorious, powerful, terrifying and underused tool, and satisfies none of your declared requirements.



  • It actually is RAID5/6 I’m looking for. Striping for speed isn’t important to my, and simple redundancy at a cost of 1/2 your total capacity isn’t a nice as getting 3/5 of your total capacity while having drive failure protection and redundancy.

    Used to go the device mapper and LVM route, but it was a administrative nightmare for a self-hoster. I only used the commands when something went wrong, which was infrequent enough that I’d forget everything between events and need to re-learn it while worrying that something else would fail while I was fixing it. And changing distros was a nightmare. I use the btrfs command enough for other things to keep it reasonably fresh; if it could reliably do RAID5, I’d have RAID5 again instead of limping along with no RAID and relying on snapshots, backups, and long outages when drives fail.

    Multi device is only niche because nothing else supports it yet. I’ll bet once bcachefs becomes more standard (or, if, given the main author of the project), you’ll see it a lot more. The ability to use your M.2 but have eventual consistency replication to one or more slower USB drives without performance impact will be game changing. I’ve been wondering whether this will be usable with network mounted shares as level-3 replication. It’s a fascinating concept.



  • Shit, that’s a lot of storage. K.

    I’ve lived on btrfs for years. I love the filesystem. However, RAID had been unreliable for a decade now, with no indication that it will ever be fixed; but most importantly, neither btrfs not zfs have prioritized multi-device support, and bcachefs does.

    You can configure a filesystem built from an SSD, a hard drive, and a USB drive, and configure it so that writes and reads go to the SSD first, and are eventually replicated to the hard drive, and eventually eventually to the USB drive. All behind the scenes, so you’re working at SSD speeds for R/W, even if the USB hasn’t yet gotten all of the changes. With btrfs and zfs, you’re working at the speed of the slowest device in your multi-device FS; with bcachefs, you work at the speed of the fastest.

    There’s a lot in there I don’t know about yet, like: can it be configured s.t. the fastest is an LRU? But from what I read, it’s designed very similar to L1/L2 cache and main memory.


  • How much is “limited?” I’ve got one of those AMD Ryzen mobile CPU jobs that I bought new, from Amazon, for $300. I added a 2TB M.2 drive for another $100. For a bit over $200 ($230?) you can get a 4TB M.2 NVMe.

    And that’s for fast storage. There’s USB3 A and C ports, so nearly unlimited external - slower, but still faster than your WiFi - drives.

    When bcachefs is reliable, it’s got staged multi-device caching for the stuff you’re actually using, and background writing to your slower drives. I’m really looking forward to that, but TBH I have all of our media on a USB3 SSD it’s plenty fast enough to stream videos and music from.


  • I’m only concerned insofar as I don’t know of a good alternative, and really don’t want to spend the time shifting everything to a new system. I have 3 VPSes and 4(? 5?) home computers backing up to B2. The major ones, I have also backing up to disk, so really the risk for me is in that gap period while I find and set up on a new backup service.

    This will be beyond annoying, but for me not catastrophic. Mainly, I’ve liked B2 - the price, and how easy it’s been to use. I understand the UI; it’s pretty straightforward, and it’s directly supported by a lot of software. It would be a real shame if it went under due to mismanagement.

    Also: another example supporting my theory that one of the major flaws in Capitalism is public trading markets. This shit wasn’t an issue before they went public.