If you have an issue booting your xen 5 because you have loose MBR information, here is how you can restore it very quickly.
Proceed booting your server with a live cd distribution, like wifiSlax, and run the next commands.
mount the necessary partitions in your harddisk to have / and /boot mounted.
Let's say you have sda1 assigned to boot and sda2 to root partition.
# mount /dev/sda2 /mnt
# mount /dev/sda1 /mnt/boot
or like in my case, mount your RAID1 partitions to access to yor root Read more...
bind
All posts tagged bind
One of the common problems after boot from a cdrom is accessing the devices or processes that runs from the cd but inside the jail of the chroot. You can bind some already mounted system folders like /dev, inside our root partition.
Here's what I usually do:
Boot up from a rescue cd
Mount root partition to /mnt and boot partition into /mnt/boot.
mount --bind /proc /mnt/proc
mount --bind /sys /mnt/sys
mount --bind /dev /mnt/dev
chroot /mnt (you just went live on the system)
Now Read more...