These are the steps to update the system from a snapshot, using the *.txz files.

• Make an /etc backup. It will be needed later.

• Copy the snapshot *.txz files at /

• If you are to install the base.txz files, you will have to change the flags of the files, since most of the files to be rewritten are unlinkable, or inmutable. You have to call chflags -R nosunlink,noschg at the files that are to be replaced.

• Extract the files by using tar xfv *.txz

• Restore /etc

For now, this is just a reminder to myself.