Hello,

on SolusVM servers :
tell your provider to execute this for your VPS:
Backup :
vzdump --stdexcludes --compress --quiet VEID <-- Change VEID to your VPS ID

Restore :
vzdump --restore /vz/dump/vzdump-VEID.tgz

I use this to backup/restore my clients VPSes

Highest Regards
Mohammed H