Re: [sudo-sys] [sudo-discuss] can't reach door computer

fwiw, the building lost all mains power a day or two ago which may have caused it to reboot w/o eth. regardless, Jake's solution seems like the easiest solution On Sun, Mar 14, 2021 at 11:45 PM Jake <jake(a)spaz.org> wrote: > So I looked at the bash script Robb found, and it turns out it's

> to an > issue of the Beaglebone booting up without ethernet working in the first > place. > > It does not refer to ethernet stopping working while running! So that > implies > that either our beaglebone is already rebooting but the ethernet doesn't > come up > (in which case this script would be wise) OR we're experiencing

> else > entirely, and that script wouldn't help us. > > I just checked and saw we're running / off of the built-in eMMC chip

> and > I uncommented the line of /etc/fstab that causes the (8gb) microSD card

> be > mounted automatically to /mnt/sd_card/ (after fixing the parameters) > > So we can do logging to /mnt/sd_card/ and use it for backup purposes and > logging, because it's a removable microSD card and we don't have to

> about > ruining it. And we should log there, so that if the ethernet port goes > down we > will have a record of why that happened - assuming someone knows how to > configure it so that cached disk writes are flushed to the disk every

> minutes so that when we have to power cycle it, the logs are actually > written > to disk by then. > > -jake > > On Sun, 14 Mar 2021, Yardena Cohen wrote: > >> I'd prefer a solution that doesn't reboot. We lose the swipe log that >> way and I have to tell new people to go back and apply again for their >> cards >> >> On Sun, Mar 14, 2021 at 8:22 PM robb <sf99er(a)gmail.com> wrote: >>> >>> looks like a bash script to ping & reboot when necessary may fix it >

>>> >>> On Sun, Mar 14, 2021 at 7:36 PM Jake <jake(a)spaz.org> wrote: >>>> >>>> [ removing omni-discuss and adding access control list in addition to > two other >>>> "admin" lists i didn't know about ] >>>> >>>> this is something that has happened before. Something about the > beaglebone >>>> periodically randomly disables the ethernet port until it gets > restarted. We >>>> have never logged into the beaglebone (through its TTL serial port > console for >>>> example) in order to diagnose why, we just power cycle it and it

> back up. >>>> >>>> would be interesting to save logs to a microSD card (we keep the > built-in eMMC >>>> in read-only mode most of the time to prevent wear) so that we could > get a clue >>>> as to what's happeneing. Or perhaps make a process to watch for the > ethernet >>>> port being powered down and restart it if that happens for whatever > reason. >>>> >>>> -jake >>>> >>>> On Sun, 14 Mar 2021, robb wrote: >>>> >>>>> the beaglebone (BB) & switch to BB were sending (green lights on eth > ports) >>>>> but the BB wasn't receiving (orange light...) so i rebooted the BB & > it's >>>>> pinging now >>>>> >>>>> On Sun, Mar 14, 2021 at 6:51 PM Yardena Cohen <yardenack(a)gmail.com> > wrote: >>>>> >>>>>> Did something happen to the omni door computer? I can't reach it

>>>>>> the network, even from within the building. It appears to be

>>>>>> letting people in. I tried looking at the box, but couldn't make > sense >>>>>> of the mess of cables. Maybe an ethernet got disconnected