shirwa’s blog

November 18, 2007

Howto make iso image

Filed under: GNU/Linux, Howto — shirwa @ 12:07 am

To make an ISO from your CD/DVD, place the media in your drive but do not mount it. If it automounts, unmount it.

# umount /dev/cdrom

Create iso image with dd comman:

# dd if=/dev/cdrom of=/tmp/cdimage.iso

  • if = input file (/dev/cdrom).
  • of = output file (cdimage.iso)

To make an ISO from files on your hard drive, create a directory which holds the files you want. Then use the mkisofs command. mkisofs -o /tmp/cd.iso /tmp/directory/

This results in a file called cd.iso in folder /tmp which contains all the files and directories in /tmp/directory/.

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November 15, 2007

Backing up Cisco configuration file using tftpd in Linux

Filed under: GNU/Linux — Tags: , , , — shirwa @ 8:46 am

TFTP (Trivial File Transfer Protocol), a simple form of the File Transfer Protocol (FTP). TFTP uses the User Datagram Protocol (UDP)and provides no security features. It is often used by servers to boot diskless workstations, X-terminals, and to backup routers configurations files. (more…)

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