Thanks. That makes sense. I was barking up the wrong tree and just totally forgot about getty.
On Thursday, April 15, 2021 at 12:57:01 PM UTC-4 hel...@deepsoft.com wrote: > At Thu, 15 Apr 2021 07:44:05 -0700 (PDT) beagl...@googlegroups.com wrote: > > > > > Anyone know how to allow auto root login from the serial console without > a > > password while still requiring a password for ssh? This is really a > worst > > case recovery type thing where someone changes the default password and > > forgets the new password. Physical security should be adequate in this > > case. > > man getty > > Specificly: > > -a, --autologin username > Automatically log in the specified user without asking for a > username or password. Using this option causes an -f username > option and argument to be added to the /bin/login command line. > See --login-options, which can be used to modify this option's > behavior. > > Note that --autologin may affect the way how agetty initializes > the serial line, because on auto-login agetty does not read from > the line and it has no opportunity optimize the line setting. > > and also: > > -l, --login-program login_program > Invoke the specified login_program instead of /bin/login. This > allows the use of a non-standard login program. Such a program > could, for example, ask for a dial-up password or use a differ†> ent password file. See --login-options. > > -o, --login-options "login_options" > Options and arguments that are passed to login(1). Where \u is > replaced by the login name. For example: > > --login-options '-h darkstar -- \u' > > See --autologin, --login-program and --remote. > > Please read the SECURITY NOTICE below before using this option. > > -p, --login-pause > Wait for any key before dropping to the login prompt. Can be > combined with --autologin to save memory by lazily spawning > shells. > > > systemd files of interest: > > /etc/systemd/system/getty.target.wants/serial...@ttyGS0.service > /lib/systemd/system/serial-getty@.service > > The former is a symlink to the second, but you don't want to mess with the > second, but instead copy the second to someplace > (/usr/local/lib/systemd/system/ probably) and modify it (maybe rename it to > /lib/systemd/system/serial-getty-root@.service) and then change the > /etc/systemd/system/getty.target.wants/serial...@ttyGS0.service symlink. > > Robert Heller -- Cell: 413-658-7953 <(413)%20658-7953> GV: 978-633-5364 > <(978)%20633-5364> > Deepwoods Software -- Custom Software Services > http://www.deepsoft.com/ -- Linux Administration Services > hel...@deepsoft.com -- Webhosting Services > > > -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/6d0a6471-0ae6-4223-bbb9-5e9c42f11ff2n%40googlegroups.com.
