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Hi,

initially i will mount a image using loop device using below command
mount -n -o loop,noatime,ro -t squashfs /mnt/fsh/bt.img /opt/app/test

then "mount" reflects with below
/dev/loop0 on...

We are having application such that different versions of RH run on different partitions in same disk.
so we are dynamically creating grub.conf . and we want that grub.conf to be effective for next...

Hi,
Can we specify which grub.conf to use while installing grub on RHEL.
We are working on application which requires different grub configurations needed, depending on certain criteria we need to...

Hi ,
I have versions something like 1.10.0 and 1.9.1 and i want to compare them.
I wrote sample program like below.

#!/usr/bin/perl
my $var1 = "1.10.0";
my $var2 = "1.9.0";
if ($var1 eq...

This is replacing all if-fi loops, so i changed the command to,
sed -e 's|^if \[ "$asdf"|:<<COMMENT &|' -e 's|^fi|& COMMENT|'

this is modifying all "fi" statements.

How to change only that...

Hi,
I am writing a shell script, which should comment a if-fi loop in a file.
From google i found that, we can use below qualifier to comment a section of code,
:<<COMMENT

COMMENT
But i could...

Hi,
I am trying to write a regular expression in perl to check if the string end's with "numbers-numbers" or "-numbers".

I experimented something like m/\d*-\d*$/ , but this is not solving my...

/usr/sbin/chpasswd -c < t
/usr/sbin/chpasswd: invalid option -- c
Usage: chpasswd [options]

I think "-c" option is not there.

in the above command, t is the file having user:password

chpasswd also expects some user input, i wanted a way to set password in non-interactive way.
Is this posible?

Hi,
Can we set password for linux in non-interactive mode.
I didn't find suitable option for this in man page.
If we wnter "passwd" command, it will tell "Enter password" and "Re-enter password"....