create an access file
nano /etc/samba/credentials username=**** password=**** ctrl+s ctrl+x chmod 600 /etc/samba/credentials
mount the disk
mount.cifs -o cache=none,credentials=/etc/samba/credentials,noperm,vers=3.0,gid=1000,iocharset=utf8,sec=ntlmssp,file_mode=0770,dir_mode=0770 //****.your-storagebox.de/backup /mnt/pve/****.your-storagebox.de proxmox-backup-manager datastore create CIFS_REPO /mnt/pve/****.your-storagebox.de/synctumbackup --comment 'Backups directory via cifs' nano /etc/network/interfaces add mount auto ens18 iface ens18 inet static address 10.5.0.250/24 gateway 10.5.0.1 post-up mount.cifs -o cache=none,credentials=/etc/samba/credentials,noperm,vers=3.0,gid=1000,iocharset=utf8,sec=ntlmssp,file_mode=0770,dir_mode=0770 //u411724.your-storagebox.de/backup /mnt/pve/u411724.your-storagebox.de