# create a memtest directory
mkdir /home/your_username/memtest
# change to the memtest directory
cd memtest
# wget the memtest86 ISO
wget http://memtest86.com/memtest86-3.2.iso.gz
# decompress the ISO
gzip -d memtest86-3.2.iso.gz
# switch to root
su -
# change to the memtest directory
cd /home/your_username/memtest
# run cdrecord to burn the ISO to a CD
cdrecord -vvvvvvvvvvvvvvv --eject driveropts=burnfree dev=ATA:1,0,0 memtest86-3.2.iso
# mount the CD to make sure it was recorded correctly
mount /dev/hdc /mnt
# list files in /mnt
ls -al /mnt
# unmount the CD
umount /mnt
# eject the CD
eject /dev/hdc
You are now ready to reboot the system with the memtest86 CD in the drive and have it test your RAM.
These instructions assume your CD recorder is /dev/hdc ( secondary master PATA IDE ).
# become root
su -
# change to the directory where we downloaded the memtest86 ISO
cd /home/your_username/memtest/
# run k3b a graphical CD / DVD recording program
k3b
# click on Tools -> Burn CD Image...
# clickand select /home/your_username/memtest/memtest86-3.2.iso
# check thebox to verify after recording and click
# all done