08-12-2003
Re: buncha questions from a newbie
Quote:
Originally posted by init-5
1) The OS did not detect my Video Card, so I am still in the 640x480 mode, with 16 colors. My Display adapter is "NVIDIA GeForce4 420 Go(Sony)", so when I selected the nVidia cards option in the installation of the device driver and then the installation program probed the card, it returned an error. So I had to make do with the generic display settings. What do I do to get a real crisp 1024x728 resolution with something like 32 bit colors or millions of colors?
New GeForce drivers have been a problem for many *nix users. i recommend searching them out on Google. (or sun's site.. or X archives, etc..)
Quote:
2) I have a DSL connection (ethernet) and also a Dial-up connection. Any leads as to how to set them up? How and where do I access my Ethernet card from? And how do I configure it? Any leads would be appreciated, and then I can figure out something.
Read a decent tutorial on the configuration of your ethernet devices - there are thosuands of them out there - try google.ca.
Assuming you're using a PCMCIA (or embedded) NON-win-modem, you can probably find some decent tutorials out there... as far as winmodems go, there aren't too many drivers out there, so you might be SOL, depending on how big your manufacturer is.
Quote:
ps:- please forgive my "windows" style of addressing certain terms such as "32 bit colors" and "download applications" since I am still to know what they are called in unix.
It's all the same to us. colours are colours, and applications == programs == binaries -- etc.
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LEARN ABOUT DEBIAN
shell-quote
SHELL-QUOTE(1p) User Contributed Perl Documentation SHELL-QUOTE(1p)
NAME
shell-quote - quote arguments for safe use, unmodified in a shell command
SYNOPSIS
shell-quote [switch]... arg...
DESCRIPTION
shell-quote lets you pass arbitrary strings through the shell so that they won't be changed by the shell. This lets you process commands
or files with embedded white space or shell globbing characters safely. Here are a few examples.
EXAMPLES
ssh preserving args
When running a remote command with ssh, ssh doesn't preserve the separate arguments it receives. It just joins them with spaces and
passes them to "$SHELL -c". This doesn't work as intended:
ssh host touch 'hi there' # fails
It creates 2 files, hi and there. Instead, do this:
cmd=`shell-quote touch 'hi there'`
ssh host "$cmd"
This gives you just 1 file, hi there.
process find output
It's not ordinarily possible to process an arbitrary list of files output by find with a shell script. Anything you put in $IFS to
split up the output could legitimately be in a file's name. Here's how you can do it using shell-quote:
eval set -- `find -type f -print0 | xargs -0 shell-quote --`
debug shell scripts
shell-quote is better than echo for debugging shell scripts.
debug() {
[ -z "$debug" ] || shell-quote "debug:" "$@"
}
With echo you can't tell the difference between "debug 'foo bar'" and "debug foo bar", but with shell-quote you can.
save a command for later
shell-quote can be used to build up a shell command to run later. Say you want the user to be able to give you switches for a command
you're going to run. If you don't want the switches to be re-evaluated by the shell (which is usually a good idea, else there are
things the user can't pass through), you can do something like this:
user_switches=
while [ $# != 0 ]
do
case x$1 in
x--pass-through)
[ $# -gt 1 ] || die "need an argument for $1"
user_switches="$user_switches "`shell-quote -- "$2"`
shift;;
# process other switches
esac
shift
done
# later
eval "shell-quote some-command $user_switches my args"
OPTIONS
--debug
Turn debugging on.
--help
Show the usage message and die.
--version
Show the version number and exit.
AVAILABILITY
The code is licensed under the GNU GPL. Check http://www.argon.org/~roderick/ or CPAN for updated versions.
AUTHOR
Roderick Schertler <roderick@argon.org>
perl v5.8.4 2005-05-03 SHELL-QUOTE(1p)