v-restore-user admin admin.2015-11-08.tar

you should run this command under root
or (under sudo user)
/usr/local/vesta/bin/v-restore-user

Error: backup doesn’t exist

mkdir /home/backup
chown admin backup
chgrp admin backup

ln -s /home/backup / 

move   admin admin.2015-11-08.tar to directory backup

 IF still can not, put admin.2015-11-08.tar in backup

 IF no /home/backup  mkdir and chown chgrp, but check /etc/passwd have account