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Ignore this toot just testing something.#FreeBSD

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Gli ultimi otto messaggi ricevuti dalla Federazione
  • @annamam@mastodon.social hello and welcome to the

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  • @jwz I know. Some people don't

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  • Magnetic-Suspension Hoverboard is Only 11 Years Late

    Anyone who saw Back to the Future II was disappointed when 2015 rolled around with nary a hoverboard in sight. There have been various attempts to fake it, but none of them quite have the feel of floating about wherever you’d like to go that the movie conveys. The little-known YouTuber [Colin Furze] has a new take on the idea: use magnets. Really big magnets.

    If you’re one of [Colin]’s handful of subscribers, then you probably saw his magnetic-suspension bike. We passed on that one, but we couldn’t resist the urge to cover the hoverboard version, regardless of how popular [Colin] might be on YouTube. It’s actually stupidly simple: the suspension is provided by the repulsive force between alarmingly large neodymium magnets. In this case, two are on the base plate that holds the skateboard ‘trucks’, and two are on the wooden ‘deck’ that [Colin] rides upon.

    Of course magnetic repulsion is a very unstable equilibrium, so [Colin] had to reduce the degrees of freedom. In his first test, that was with a pair of rods and linear bearings. That way the deck could only move in the z-axis, providing the sensation of hovering without allowing the deck to slide off its magnetic perch. Unfortunately those pins transferred too much vibration from the ground into the deck, ruining the illusion of floating on air.

    After realizing that he’d never be able to ollie (jump) this massive beast of a skateboard, [Colin] decides he might as well use a longboard instead. Longboards, as the name implies, are long skateboards, and are for transportation, not tricks. The longboard gets the same massive magnets, but after a couple of iterations to find a smoother solution — including a neat but unsuccessful tensegrity-inspired version — ends up with a pair of loosely-fitted pins once again, though relocated to the rear of the board. From the rider’s perspective, it looks exactly like a hoverboard, since you can’t see underneath from that angle. According to [Colin], it feels like a hoverboard, too.

    The only way to do better would be with eddy currents over copper, or superconductors over a magnetic track, but both of those methods limit you to very specific locations. This might be a bit of a fakeout, but its one with a degree of freedom. One, to be specific. You have to admit, it’s still less of a fake than the handle-less Segway we got in 2015, at least.

    youtube.com/embed/yzXZ7cZXifo?…

    hackaday.com/2026/03/15/magnet…

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  • @geeknik this sound like a dystopian fiction. Don’t wanna believe it.

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  • @haayman We do what we must because we can. Also if I don't then the answer won't be there when I forget and do the search again.

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  • @jwz this is soo stackoverflow to post the answer yourself 🤗

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  • @jon_ellis So I guess if this is on a machine where file vault matters for other accounts, your plan B is to make a Guest2 user and rsync it back to template from cron.

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  • @jon_ellis I believe file vault triggers the "I am not a desktop" response.

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Post suggeriti
  • 0 Votes
    1 Posts
    7 Views
    I've got a weird issue on my #FreeBSD ThinkPad. Since setting up lagg yesterday which worked fine. I powered off last night and then switched it on this morning. I noticed that I had no network access on either the re1 interface or wlan0. I powered off and on and it worked. I have since discovered that if it doesn't work if I just doas service netif restart it starts to work again.This is my lagg setup in /etc/rc.conf# WiFiwlans_iwlwifi0="wlan0"ifconfig_wlan0="WPA SYNCDHCP"cloned_interfaces="lagg0"ifconfig_lagg0="up laggproto failover laggport re1 laggport wlan0 DHCP"This is the output of ifconfig when it's working:re0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=8209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,LINKSTATE> ether 8c:8c:aa:bd:bb:f0 media: Ethernet autoselect (none) status: no carrier nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>re1: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500 options=80088<VLAN_MTU,VLAN_HWCSUM,LINKSTATE> ether 8c:8c:aa:bd:bb:ef inet 192.168.0.194 netmask 0xffffff00 broadcast 192.168.0.255 media: Ethernet autoselect (1000baseT <full-duplex>) status: active nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>lo0: flags=1008049<UP,LOOPBACK,RUNNING,MULTICAST,LOWER_UP> metric 0 mtu 16384 options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6> inet 127.0.0.1 netmask 0xff000000 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3 groups: lo nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>wlan0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500 options=0 ether 8c:8c:aa:bd:bb:ef hwaddr 70:9c:d1:af:ad:93 inet 192.168.0.194 netmask 0xffffff00 broadcast 192.168.0.255 groups: wlan ssid Smithies channel 40 (5200 MHz 11a vht/80-) bssid f0:9f:c2:ab:8d:c3 regdomain FCC country US authmode WPA2/802.11i privacy ON deftxkey UNDEF AES-CCM 2:128-bit AES-CCM ucast:128-bit txpower 17 bmiss 7 mcastrate 6 mgmtrate 6 scanvalid 60 ampdulimit 64k ampdudensity 8 -amsdutx amsdurx shortgi -ldpctx ldpcrx -uapsd vht vht40 vht80 vht160 -vht80p80 wme roaming MANUAL parent interface: iwlwifi0 media: IEEE 802.11 Wireless Ethernet VHT mode 11ac status: associated nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>lagg0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500 options=0 ether 8c:8c:aa:bd:bb:ef hwaddr 00:00:00:00:00:00 inet 192.168.0.194 netmask 0xffffff00 broadcast 192.168.0.255 laggproto failover lagghash l2,l3,l4 laggport: re1 flags=5<MASTER,ACTIVE> laggport: wlan0 flags=0<> groups: lagg media: Ethernet autoselect status: active nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>This is the output when not working on first boot:re0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=8209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,LINKSTATE> ether 8c:8c:aa:bd:bb:f0 media: Ethernet autoselect (none) status: no carrier nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>re1: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500 options=80088<VLAN_MTU,VLAN_HWCSUM,LINKSTATE> ether 8c:8c:aa:bd:bb:ef inet 192.168.0.194 netmask 0xffffff00 broadcast 192.168.0.255 media: Ethernet autoselect (1000baseT <full-duplex>) status: active nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>lo0: flags=1008049<UP,LOOPBACK,RUNNING,MULTICAST,LOWER_UP> metric 0 mtu 16384 options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6> inet 127.0.0.1 netmask 0xff000000 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3 groups: lo nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>wlan0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500 options=0 ether 8c:8c:aa:bd:bb:ef hwaddr 70:9c:d1:af:ad:93 inet 192.168.0.194 netmask 0xffffff00 broadcast 192.168.0.255 groups: wlan ssid Smithies channel 40 (5200 MHz 11a vht/80-) bssid f0:9f:c2:ab:8d:c3 regdomain FCC country US authmode WPA2/802.11i privacy ON deftxkey UNDEF AES-CCM 2:128-bit AES-CCM ucast:128-bit txpower 17 bmiss 7 mcastrate 6 mgmtrate 6 scanvalid 60 ampdulimit 64k ampdudensity 8 -amsdutx amsdurx shortgi -ldpctx ldpcrx -uapsd vht vht40 vht80 vht160 -vht80p80 wme roaming MANUAL parent interface: iwlwifi0 media: IEEE 802.11 Wireless Ethernet VHT mode 11ac status: associated nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>lagg0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500 options=0 ether 8c:8c:aa:bd:bb:ef hwaddr 00:00:00:00:00:00 inet 192.168.0.194 netmask 0xffffff00 broadcast 192.168.0.255 laggproto failover lagghash l2,l3,l4 laggport: re1 flags=5<MASTER,ACTIVE> laggport: wlan0 flags=0<> groups: lagg media: Ethernet autoselect status: active nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>I should note that running doas service netif restart once it's working makes it fail again.Any ideas ??
  • 0 Votes
    1 Posts
    5 Views
    Friends, at the end of a horrible year, please let's talk about something *nice*.My EUR 0.02: You Have Installed OpenBSD. Now For The Daily Tasks. https://nxdomain.no/~peter/openbsd_installed_now_for_the_daily_tasks.html (tracked https://bsdly.blogspot.com/2024/09/you-have-installed-openbsd-now-for.html)Bonus track: Yes, The Book of PF, 4th Edition Is Coming Soon https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html (tracked https://bsdly.blogspot.com/2025/07/yes-book-of-pf-4th-edition-is-coming.html)#freesoftware #openbsd #freebsd #bookofpf #networking #security #deveops #development #sysadmin @nostarch
  • FreeBSD 15.0-RC2 Now Available

    Uncategorized freebsd rc2
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    FreeBSD 15.0-RC2 Now Available<https://mail-archive.freebsd.org/cgi/mid.cgi?20251119010332.2562F1B16C><https://lists.freebsd.org/archives/freebsd-stable/2025-November/003585.html>The second release candidate build of the 15.0-RELEASE release cycle is now available. …<https://www.reddit.com/r/freebsd/comments/1p1pxn1/freebsd_150rc2_now_available/>#FreeBSD #RC2
  • 0 Votes
    23 Posts
    108 Views
    @stefano @ricardo the article mentioned the FreeBSD subreddit and The FreeBSD Forums. Yorick Peterse shared his post in the sub, where it was very well-received. Pictured: insights that are not visible to the public (I very rarely share such things, doing so seems harmless on this occasion). No mention of Discord, Twitter, or X. Also pictured: the wiki for FreeBSD Discord very recently cautioned that the FreeBSD Community Code of Conduct can not be enforced. I do not imagine that this caution relates to any recent misconduct there …<https://www.freebsd.org/internal/code-of-conduct/><https://wiki.freebsd.org/Discord/DiscordServer><https://yorickpeterse.com/>#FreeBSD #Reddit #forums #Discord #community #conduct #misconduct