I am now attempting to get into GRUB during boot. I never see a GRUB menu show up by pressing/holding ESC or left shift. What I do see is that I can interrupt boot by pressing the spacebar. I then get a command prompt in ??. And I have no idea what to do after that.
On Monday, March 29, 2021 at 6:27:52 AM UTC-7 Bob Hammond wrote: > Thanks Andrea. Once I get in, I will check the logs. The sshd is likely > up as you state. The BBB is protected by a firewall on my router as well > as iptables. And no, I didn't have enforced sshd to accept only user > connection. > > All very good ideas! > > > On Sunday, March 28, 2021 at 6:05:22 AM UTC-7 [email protected] wrote: > >> I found this for the serial connection. >> >> >> https://www.dummies.com/computers/beaglebone/how-to-connect-the-beaglebone-black-via-serial-over-usb/ >> >> Some ideas : >> Once in as root, I would >> - change the root password : >> # passwd >> - The user password: >> # passwd username >> Check the logs focus in the time you had attempted the remote login - >> find why it was not allowed to login. >> Check the sshd service is enabled (however should be up) >> Have you hardened your configuration? Ie any firewall (iptables) , any >> fail2ban or something else; >> Enforced sshd to accept only user connection (no root)? >> >> A. >> >> On Sun, 28 Mar 2021, 14:48 Bob Hammond, <[email protected]> wrote: >> >>> I am using a windows machine with PuTTY to connect to the BBB. >>> >>> On Sun, Mar 28, 2021 at 5:44 AM Bob Hammond <[email protected]> wrote: >>> >>>> I am able to connect to the BBB with PuTTY and get a prompt to log in. >>>> I have tried debian/temppwd and that doesn't work. >>>> >>>> I've read about using a serial connection to the BBB and interrupting >>>> the boot sequence to gain access. Anyone done that? >>>> >>>> On Saturday, March 27, 2021 at 4:41:30 PM UTC-7 [email protected] >>>> wrote: >>>> >>>>> Try logging in as user : debian >>>>> Password: temppwd >>>>> >>>>> Check your spelling after u enter user name >>>>> >>>>> Sent from my iPhone >>>>> >>>>> On Mar 27, 2021, at 7:12 PM, amf <[email protected]> wrote: >>>>> >>>>> >>>>> >>>>> I followed your instructions, once I obtained the new ip, I was able >>>>> to login as the user of the origanl BBB. >>>>> Without knowing details of your setup it is difficult to help >>>>> is your desktop/laptop a windows or linux machine? >>>>> if linux you can get the ip of the new BBB with "ping >>>>> <hostname>.local" provided 'avahi' is installed (there may be other ways, >>>>> this works for me) >>>>> >>>>> ping beaglebone.local >>>>> PING beaglebone.local (192.168.3.108) 56(84) bytes of data. >>>>> 64 bytes from 192.168.3.108: icmp_seq=1 ttl=64 time=1.31 ms >>>>> >>>>> if windows, someone else will need to chime in, >>>>> >>>>> >>>>> >>>>> On Saturday, March 27, 2021 at 7:39:21 AM UTC-5 [email protected] >>>>> wrote: >>>>> >>>>>> I duplicated my BBB setup to a SD card using this procedure: >>>>>> >>>>>> Debian distribution: >>>>>> >>>>>> 1. Boot master BBB with no SD card in >>>>>> 2. Insert SD card >>>>>> 3. Log in (e.g. with serial terminal, SSH etc.) and run sudo >>>>>> >>>>>> /opt/scripts/tools/eMMC/beaglebone-black-make-microSD-flasher-from-eMMC.sh. >>>>>> >>>>>> LEDs will flash in sequence whilst SD card is being written. >>>>>> 4. When the LEDs stop and the script terminates, remove the SD >>>>>> card. >>>>>> 5. Insert SD card into new BBB then power on. >>>>>> 6. eMMC will be flashed; LEDs on new BBB will flash in sequence >>>>>> until complete. >>>>>> >>>>>> After doing this, I rebooted the BBB. >>>>>> >>>>>> Now, I am unable to remotely log in using PuTTY, user is root, and >>>>>> root password. Or any other username and password. >>>>>> >>>>>> The BBB is running fine (collecting seismic data) but I am completely >>>>>> locked out! >>>>>> >>>>>> Any suggestions on how to get access to the BBB? >>>>>> >>>>> -- >>>>> For more options, visit http://beagleboard.org/discuss >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "BeagleBoard" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/beagleboard/833795ff-61b4-418c-a142-9aed980e01a7n%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/beagleboard/833795ff-61b4-418c-a142-9aed980e01a7n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to a topic in the >>>> Google Groups "BeagleBoard" group. >>>> To unsubscribe from this topic, visit >>>> https://groups.google.com/d/topic/beagleboard/KvIoUzehk_o/unsubscribe. >>>> To unsubscribe from this group and all its topics, send an email to >>>> [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/beagleboard/0fea8e1c-4c08-43cc-a023-5fce0b05209en%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/beagleboard/0fea8e1c-4c08-43cc-a023-5fce0b05209en%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> >> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/beagleboard/CAKoB7OpieQonkXW003iq5APE2Ze74UMWBOrpNXF6q%3DSp8vZwMg%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/beagleboard/CAKoB7OpieQonkXW003iq5APE2Ze74UMWBOrpNXF6q%3DSp8vZwMg%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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