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2 yr. ago

  • If you can have a swapfile or swap partition, zswap will have much better experience than zram. And since Linux 6.8, zswap can disable writeback entirely so there will be nothing written to disk, just need a swapfile/swap partition to make kernel happy.
    https://aur.archlinux.org/packages/zswap-disable-writeback

  • I'm looking for a Android SSH application with FIDO2 *-sk support. But I found none of them are open source and non-subscription. Termux is open source, it's good, but their libfido2 is unpatched so can't communicate with security key via USB or NFC on Android. ConnectBot is also great, but it lacks maintenance and doesn't support *-sk as well.

  • Choose the keyboard use QMK firmware or support VIA. Their configuration will be store in flash on keyboard permanently. VIA or QMK Configurator are just a "configuration writer".

  • and even without it, you'll get 150mA @ 5V by default out of the USB 3 host upstream and up to 900mA with some pretty basic USB negotiation in a protocol that dates from USB 1.0

    That's wrong. With USB Type-C, you can get the power up to 3A @ 5V with just two 5.1kΩ resistor on CC pins.

  • Yeah. Because 2.5GbE was invented far later than 10GbE (from 2002 to 2016), and never popular in data center.

  • If he/she want to compare performance, they should do some benchmark instead. If he/she want to compare efficiency, they should count the power cost in different situations. Just see the GPU/CPU usage is meaningless from all views.

  • Oh. It's great. But it seems there is only armv7a build on IzzyOnDroid repo while upstream has four architecture builds. cc @IzzyOnDroid@floss.social Is it a misconfiguration on IzzyOnDroid side?

  • You need to add -f argument to strace to follow fork otherwise you can only see activities happened in main thread.

  • PL259 has non-constant impedance, which is the main reason I don't like it.
    N type is a near perfect connector except huge size, which has constant impedance, supports frequency up to 11GHz, is waterproof and can be used with high power.
    SMA is similar to N type but has smaller size and lower power.
    U.FL will be the only choice if you only have very tiny space. (The situation never happened in ham radio)

  • But no vendor actually implements any with the exception of those forced to include APFS by Apple.

    Actually some vendors implements NTFS driver in their UEFI as well.

  • So their video player should be named "Nits".

  • EDIT: I figured out that for whatever reason, the Flathub version just doesn't function properly. When I install the tarball from Yubico's website, the executable DOES work right,

    It looks like because the sandbox of Flatpak prevent the program access the unix domain socket of pcscd.

    but I can't seem to figure out how to make the .desktop file install into the programs list.

    There is a document on Arch Wiki.

    https://wiki.archlinux.org/title/Desktop_entries

  • Without it, the program just fallback to UTC. /etc/localtime and $TZ are two ways to specify timezone for programs. The program look up the later first, if it's empty and then use /etc/localtime. In theory, $TZ has better performance because of the glibc will not look up the last modified time of /etc/localtime when every calling of localtime lookup.

  • In fact, sadly, DNT can be used to track user because only few users enable it.

  • IMAPSync is a great tool! It works perfect when migrate mails from one provider to another. In fact, some providers suggest users use this tool rather than implement migration feature by themselves. e.g. Migadu.