I have installed raspbian (and 2 other distro's) on an 8G Class 10 card in my raspberry Pi 2 and I am running out of space on root filesystem after adding a few applications. I understand from debian reference that I maybe able to add space into an existing directory using aufs and I am thinking if this could be the solution.
According to the Aufs homepage the kernel version on my pi (3.18.16+...) is supported, however
aptitude search aufs returns no results. Based on the info in the debian reference I was looking for aufs-tools or kernel modules to show up.
I am thinking support is not available by default since
/sbin/mount.aufs is not present and
man aufs does not find anything - maybe I am wrong.
Any idea on how I can enable aufs support on raspbian ?
By the way, if at all this works, I intend to mount /usr from a USB disk and leave the rest of the root file system intact.