QEMU is installed in department inek machines.



RUNNING QEMU:
==================

There is an already available image under 
/depo/courses/web/ceng536/sources/qemu
mounted in department machines. But you can access it 
read-only. You need to create a Copy-on-write version
of yourself. 

##########
qemu-img -f qcow2 /depo/courses/web/ceng536/sources/qemu/debian-sid.qcow2 debian-my.qcow2
#########



If you don't have Xwindows environment you need to supply curses
option to qemu:

######
qemu-system-x86_64 -curses -kernel /boot/vmlinuz-2.6.35-31-generic -initrd /boot/initrd.img-2.6.35-31-generic -hda debian-my.qcow2 -append root=/dev/sda
#####



COMPILING scull:
==================

extract ldd3 samples:

######
tar xzvf /depo/courses/web/ceng536/sources/uml/ldd3-samples-1.0.0.tar.gz
######


patch the sources so that changes in newer kernels reflected:

########
cd ldd3-samples-1.0.0
patch -p0 </depo/courses/web/ceng536/sources/qemu/ldd3-samples-patch
cd scull
make
########

Note: there is a problem in load script edit scull_load, replace 
major=$(awk "\\$2==\"$module\" {print \\$1}" /proc/devices)
line with
major=$(awk "\$2==\"$module\" {print \$1}" /proc/devices)



LOADING scull:
================

You need to transfer scull to guest machine with ssh:

######
dhclient eth0
rm ~/.ssh/known_hosts                   ## you need this for each boot on a new machine
scp -r yourid@10.0.2.2:ldd3-samples-1.0.0/scull/ .
cd scull
bash scull_load
######