starting console on ttyS0

[sktsee]

On Fri, 2007-07-06 at 10:35 +0900, Tomoki Taniguchi wrote:
> I have been trying to get serial console login working on feisty
> server (not desktop).
> I have been following the directions on the following documentation.
> https://help.ubuntu.com/community/SerialConsoleHowto
> 
> I have gotten it to redirect the console output
> so that i can watch the start up message
> but i can't get a login message to start up.
> 
> according to the doc i am supposed to edit "/etc/inittab"
> but inittab did not exist.  so i created one and added the
> "T0:2345:respawn:/sbin/getty -L 115200 ttyS0 vt100"
> line to the file and saved it
> 
> as instructed in the doc i ran
> >$ sudo /sbin/telinit q
> checked the console .... nothing
> i rebooted the machine just to be sure...
> same thing, just see the boot message and no login prompt.
> 
> i do a
> >$ ps -auxwww |grep tty
> i get
> <snip>
> Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html
> root      3580  0.0  0.0   1668   512 tty4     Ss+  10:03   0:00
> /sbin/getty 38400 tty4
> root      3581  0.0  0.0   1664   508 tty5     Ss+  10:03   0:00
> /sbin/getty 38400 tty5
> root      3584  0.0  0.0   1664   508 tty2     Ss+  10:03   0:00
> /sbin/getty 38400 tty2
> root      3594  0.0  0.0   1664   508 tty3     Ss+  10:03   0:00
> /sbin/getty 38400 tty3
> root      3597  0.0  0.0   1668   508 tty1     Ss+  10:03   0:00
> /sbin/getty 38400 tty1
> root      3598  0.0  0.0   1668   508 tty6     Ss+  10:03   0:00
> /sbin/getty 38400 tty6
> tomoki    4080  0.0  0.0   2740   760 pts/1    R+   10:27   0:00 grep tty
> <snip>
> doesn't seem to be a getty running on ttyS0.
> 
> next i manually ran the getty command
> >$ sudo /sbin/getty -L 115200 ttyS0 vt100
> i finially got a login prompt on the serial console.
> I can login and do stuff...
> i do a
> >$ ps -auxwww |grep tty
> again and i get the exact same thing as before no getty listed for ttyS0
> but i am definitely got a console running on serial right now.
> 
> anyway.  how do i get it so i can get a respawning getty on ttyS0?
> 
> TIA,
> Tomoki
> 

Take a look at /usr/share/doc/upstart-compat-sysv/README.Debian.gz under
the section of "How do I increase the number of gettys?". 

-- 
sktsee