12-12-2012
Linux booting options
Here is my question, a few years back I was sitting in an airplane and saw the movie display for all the passengers in the back of all the seats boot up. You could see the all too familiar boot-up-scrolling text that we are all used to with Linux. But probably only a few other folks on the plane could have recognized the Linux aspect of the entertainment system because it booted directly to the airlines proprietary movie software package.
I know lots of folks use Linux for all sorts of stuff out in the real world and I have been using Linux for quite some time now. However, I recently came across some work that requires me to boot Linux but not go to a GUI. Instead, I want to go to some other software that I am and will be coding.
So, in other words, I want to boot Debian but then without a keyboard for the user always start up special software. To the user, they may see the Linux-scrolling boot up screen but it really just needs to be a black box for them. And the application won't have a keyboard. So, in a sense, it is a little similar to the on-flight movie example I gave at the beginning.
So there must be someway I can have access to the GUI when need be but the common user just boots up to the specialized software.
This is a bit of a new frontier for me in Linux so any direction or advice is greatly appreciated.
Keep on keeping on my friends.
Caleb.
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LEARN ABOUT X11R4
plymouth
PLYMOUTH(1) User Commands PLYMOUTH(1)
NAME
plymouth - Send commands to plymouthd
SYNOPSIS
plymouth [OPTION...]
plymouth COMMAND [OPTION...]
DESCRIPTION
The plymouth sends commands to a running plymouthd. This is used during the boot process to control the display of the graphical boot
splash.
OPTIONS
The following options are understood. These options are supported for compatibility with the old rhgb-client interface, and have been
replaced by the commands that are described in the next section.
--help
Show summary of options.
--debug
Enable verbose debug logging.
--get-splash-plugin-path
Get directory where splash plugins are installed.
--newroot=[STRING]
Tell plymouthd that the new root filesystem is mounted.
--quit
Tell plymouthd to quit.
--ping
Check if plymouthd is running.
--has-active-vt
Check if plymouthd has an active vt.
--sysinit
Tell plymouthd root filesystem is mounted read-write.
--show-splash
Show the splash screen.
--hide-splash
Hide the splash screen.
--ask-for-password
Ask the user for a password.
--ignore-keystroke=[STRING]
Remove sensitivity to a keystroke.
--update=[STRING]
Tell plymouthd an update about boot progress.
--details
Tell plymouthd there were errors during boot.
--wait
Wait for plymouthd to quit.
COMMANDS
The following commands are understood:
change-mode OPTION
Change the operation mode.
--boot-up
Start the system up
--shutdown
Shutting the system up
--updates
Applying updates
system-update OPTION
Tell plymouthd about boot progress.
--progress=INTEGER
The percentage progress of the updates
update OPTION
Tell plymouthd about boot status changes.
--status=STRING
Tell plymouthd the current boot status
update-root-fs OPTION
Tell plymouthd about root filesystem changes.
--new-root-dir=STRING
Root filesystem is about to change
--read-write
Root filesystem is no longer read-only
show-splash
Tell plymouthd to show splash screen.
hide-splash
Tell plymouthd to hide splash screen.
ask-for-password OPTION
Ask the user for a password.
--command=STRING
Command to send password to via standard input
--prompt=STRING
Message to display when asking for password
--number-of-tries=INTEGER
Number of times to ask before giving up (requires --command)
--dont-pause-progress
Don't pause boot progress bar while asking
ask-question
Ask the user a question.
--command=STRING
Command to send the answer to via standard input
--prompt=STRING
Message to display when asking the question
--dont-pause-progress
Don't pause boot progress bar while asking
display-message OPTION
Display a message.
--text=STRING
The message text
hide-message OPTION
Hide a message.
--text=STRING
The message text
watch-keystroke OPTION
Become sensitive to a keystroke.
--command=STRING
Command to send keystroke to via standard input
--keys=STRING
Keys to become sensitive to
ignore-keystroke OPTION
Remove sensitivity to a keystroke.
--keys=STRING
Keys to remove sensitivitiy from
pause-progress
Pause boot progress bar.
unpause-progress
Unpause boot progress bar.
report-error
Tell plymouthd there were errors during boot.
deactivate
Tell plymouthd to deactivate.
reactivate
Tell plymouthd to reactivate.
quit OPTION
Tell plymouthd to quit.
--retain-splash
Don't explicitly hide boot splash on exit
SEE ALSO
grub(8), plymouth(8), plymouthd(8), http://www.freedesktop.org/wiki/Software/Plymouth
plymouth PLYMOUTH(1)