Friday, December 19, 2008

How to Extract Files from an RPM?

I was working on an Infiniband Configuration(RHEL4U4), and successfully managed to screw up my initscripts rpm which has all the init scripts and network interface related scripts. This is how I restored the original files.

1. How to verify if a particular RPM is corrupted or modified?

#rpm -q --verify initscripts

2. How to restore orginal files from original RPM?

#rpm2cpio initscripts-7.93.25.EL-1.rpmcpio -ivd ( All files extracted to current directroy)
#rpm2cpio initscripts-7.93.25.EL-1.rpmcpio -ivd /etc/rc.sysinit (Extracts a single File)

Saturday, May 31, 2008

How to mount an ISO file in Solaris and Linux?

Solaris:-

You want to mount an iso called solaris.iso.

lofiadm -a /solaris.iso /dev/lofi/1
mkdir /mnt/iso1
mount -F hsfs -o ro /dev/lofi/1 /mnt /iso1

To UnMount,

umount /mnt/iso1
lofiadm -d /dev/lofi/1


Linux:-

You want to mount an iso called Linux.iso.

mkdir /mnt/iso1
mount -o loop,ro /root/Linux.iso /mnt/iso1

To UnMount

umount /mnt/iso1

That's it.

First eSh*t!

Just another dude dumps eSh*t on web!!

Cheers, Yo Man!