Backup

How to backup your data correctly

USB stick

You can use a USB stick with the cp command

cp -r yourfiles /mnt/usb/yourfolder/

On a server

You can save your data on your own server if you have got one with the rsync command

rsync -aHSv --del --progress ~/yourdata yourname@nameoftheserver.org:primaryfolder/secondfolder/./ -n

You can also use the scp command

scp "file" nameofthemachine@ipofthemachine:~/destinationfolder

What data do you have to save?

The most important one is you ~/ folder which contain most of your personal data and private keys.