Ubuntu – Run script full screen in terminal

14.04bashlubuntuscripts

How do I get a bash script to run in full screen when it's executed or how can I change the terminal size if I can't make it full screen?

Best Answer

"Fullscreen" isn't a bash concept at all, it's down to your terminal emulator window and X.

However if you're scripting, you can tell X to add a fullscreen hint to a client. I most applications this will work. I've tested with Terminator and I've no reason to suspect it won't work with Gnome Terminal:

# set fullscreen on startup
wmctrl -r :ACTIVE: -b add,fullscreen

# ... do your stuff ...

# and before you quit
wmctrl -r :ACTIVE: -b remove,fullscreen

With regard to keeping this at a minimum footprint, the only way I've found to do this is to launch another terminal. Unfortunately lxterminal doesn't have a fullscreen launch option so you could either hack through the OpenBox settings (beurgh) or just fall back to xterm:

xterm -fullscreen -hold -e ./anotherscript.sh

Yeah, I'm suggesting launching another terminal. If you're shipping this with a launcher of sorts, you can avoid needing a secondary script.

xterm doesn't adhere to standard fonts or anything like that though you can configure almost everything through command line arguments (see man xterm for a riveting read).

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Ubuntu – Bash script to open up a terminal and cd into a directory

I didn't get it to work with x-terminal-emulator, but with the standard gnome terminal.

user@MacBookPro:~$ gnome-terminal --working-directory=~/code/ruby/my-main-proj

Hope this helps.

Ubuntu – How to run a bash script without affecting the file system

Try using an overlay, with a chroot. First, decide the path you want to chroot to, and make sure it exists, and similarly for the path you will overlay on / (which is where modifications will go):

mkdir -p /chroot
mkdir -p /tmp/tmproot

I chose a directory in /tmp/ as it's a tmpfs on my system (possibly unadvisable, but OK for me), so no changes should reach the disk. You can use a squashfs and mount it somewhere, and use that as the overlay, but that has the problem of being read-only, I think.

Now:

$ mount -t overlayfs -o lowerdir=/,upperdir=/tmp/tmproot overlayfs /chroot/
$ chroot /chroot/ /bin/bash -l
root:/$ touch test
root:/$ ls
...  sys  test  tmp  ...
root:/$ logout
$ ls /
...  sys  tmp  ...
$ ls /tmp/tmproot/
root  test

If you make the upperdir independent of a physical disk (perhaps by using tmpfs), this should protect the lowerdir.

Note the creation of a root folder - that's for my .bash_history. A copy was made of the original .bash_history, and then appended to.

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