2019年11月5日 · Note that there is a convention that for the TTY devices, the two-character ID field in the first column of the inittab line should match the name of the TTY device in question after the /dev/tty prefix, so /dev/ttyS0 will get an inittab line ID of S0, and so on. For stuff that is not necessarily associated with any TTY at all (or just outputs ...

2020年1月4日 · /etc/inittab: auto login on ttyS0. Ask Question Asked 5 years, 1 month ago. Modified 5 years, 1 month ago.

2023年4月19日 · Firstly, I started my application in /etc/inittab as follows, # now run any rc scripts ::sysinit:/etc/init ...

I want to edit /etc/inittab in order to get a login prompt on the serial console once the system boots. By default, inittab file complains to be ro. I tried both gksudo gedit /etc/inittab and sudo vi /etc/inittab and seemed to be properly configured. However, when I opened file after that with gedit, I saw no difference.

From the inittab(5) manpage: An entry in the inittab file has the following format: id:runlevels:action:process Lines beginning with '#' are ignored. id is a unique sequence of 1-4 characters which identifies an entry in inittab […]

2019年5月3日 · inittab is described as "script for the init process" in the System V manual; mnttab is described as "mounted file system tab " both in the System III and the System V manuals; Interestingly, both initab and mnttab seem to be the oldest references found of *tab files.

The example inittab file says: # /bin/sh invocations on selected ttys # # Note below that we prefix the shell commands with a "-" to indicate to the # shell that it is supposed to be a login shell. Normally this is handled by # login, but since we are bypassing login in this case, BusyBox lets you do # this yourself...

If you want to change the default-runlevel of your Ubuntu system and looking for the /etc/inittab go change it and see that Ubuntu lacks it, don't worry(!), to do so you you can create inittab file in /etc directory and write only the following line on it: id:3:initdefault: (you can change "3" to your intended default rullevel)

… and which totally ignores /etc/inittab in any case. Upstart's shutdown manual page does not mention these, either. Upstart does not use /etc/inittab either and unlike systemd has a manual page saying that –

2024年5月10日 · I set the line of ttyS0::respawn:-/bin/login -f root in the /etc/inittab, but I cannot see the login prompt in serial console. So in this case of no valid console is set kernel command line, how to auto-login to the system on the correct serial console ? Or is there a way to set the system console on the fly in user space (without using getty -L) ?