iwatch

root sudo gedit /etc/apt/sources.list and make sure that the universe component is included in the source lines.   It should look like this deb http://http.us.debian.org/debian squeeze main universe   After any changes you should run sudo apt-get update...

Recover files from damaged ec2-instance

lsblk Determine if you need to create a file system on the volume. New volumes are raw block devices, and you need to create a file system on them before you can mount and use them. Volumes that have been restored from snapshots likely have a file system on them...