Recent IT Questions

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Command restrictions

A Linux question: Can you restrict a certain command to a specific time range. I don't want to be able to run command x between 7 and 8 ?Any assistance would be appreciated.Regards

View Answer   |  Jun 19 2008   2:16 PM GMT   |  asked by Renier
Bash, Linux


Auto Load USB Printer Firmware When Printer Turned On - Linux

I am using a derivative of Puppy Linux. I compiled the driver for the HP Laserjet 1020 printer. For the printer to work the firmware has to be loaded every time the printer is turned on.I have added the following command to the rc.local file in Puppy Linux which runs every time Puppy Linux boots...

Answer Question   |  Mar 9 2008   8:02 PM GMT   |  asked by Bdika
Linux, Linux desktop environment, Bash


Obtaining an elapsed-time sorted list of Unix processes from a shell

I would like to obtain a sorted list of processes, sorted by elapsed time. I am aware of ps -o etime etc, but how exactly do i sort by a field with format [[dd]:[hh]]mm:ss ? Or is there a different way altogether to ask the OS to return a sorted list of processes, sorted by elapsed time?Thanks.

Answer Question   |  Oct 28 2007   1:57 PM GMT   |  asked by Nagendra.gd
CSH, Unix, Bash


KILLING OLD UNIX PROCESSES

# I want to be able to extract all the oracleprod processes which are 3 days old and kill them. Are there other date functions or methods can I use?I can make a list of processes but how do I compare the date to kill those processes more than 3 days old.This problem is occurring even though I have...

View Answer   |  Aug 4 2004   10:39 AM GMT   |  asked by geoffreyhalleds
Unix, Unix servers, Unix tools


How to modify external environment variable from 2nd shell script

There are two shell scripts. First one creates variable as:"export VAR1=init_value;" OR "declare -x; VAR1=init_value;"Second script can read this variable and modifies the variable's value but after exiting the variable still keep original value. What is wrong?

View Answer   |  May 12 2004   11:18 PM GMT   |  asked by smooth
Bash, Bourne, KSH


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