Michael Kolb Fulda» Web Engineering

Mounting an ISO image with linux

mk_michael — Sat, 25 Jul 2009 11:53:19 +0000

By using linux, you are able to mount an ISO image by the loop network device, which is quite easy. You can do this only as user root. Follow the steps below:

Change to user root:
# su

Mounting the ISO image to a directory or your choice, for example /mnt
# mount -o loop disk1.iso /mnt

Don’t forget to umount the ISO image after using:
# umount /mnt

More about loop device
A loop device is a virtual network device which makes a file accessible as a block device. Loop devices are typically used for CD ISO images. Mounting a file containing a whole filesystem by a loop mount makes the files within that filesystem accessible. The content of the ISO image appears in the mount point directory using above commands.

How to uninstall VMWare from a Linux System

mk_michael — Sat, 25 Jul 2009 11:03:10 +0000

To uninstall the VMWare Software from a Linux System is quite easy. VMWware comes with a pearl script for this. Just open a console and change to user root.

localhost:/# su localhost:/# vmware-uninstall.pl

Or directly by the sudo command:
localhost:/# sudo vmware-uninstall.pl

Don’t forget to delete your images from disk if you want to. Typically the images will be stored in /var/lib

Editing “message of the day” – motd

mk_michael — Sun, 30 Nov 2008 12:26:02 +0000

The message of the day is a nice thing to show informations to a user, who is connecting via console. You can put funny ascii figures there, or important informations and how-to’s.

The message will be shown prompltly after authentification:

To get these basic messages, just put it into /etc/motd (and in /etc/motd.tail for Debian and Ubuntu). For example the /etc/motd:

_______________________________________________________ WELCOME TO LOCALHOST [localhost.org] FILE SERVER To start or stop fileserver: /etc/init.d/nfsd start/stop

Finding ascii art at:
http://www.ascii-art.de/ascii/index2.shtml
http://www.ascii-art.de/ascii/def/demon.txt

WHOIS services and IP location

mk_michael — Thu, 20 Nov 2008 10:34:22 +0000

If you want to know, where an IP adress is located, or who has owned a domain, choose one of the links below:

IP location websites:
http://www.geobytes.com/IpLocator.htm
http://www.db.ripe.net/whois
http://www.seomoz.org/ip2loc?start
http://geotool.servehttp.com/

WHOIS queries:
http://www.internic.net/whois.html
http://www.denic.de/de/
http://www.betterwhois.com/
http://www.rrpproxy.net/