[root@h2g2w ~]#
[root@h2g2w ~]# virsh list
 ID    Nom                            État
----------------------------------------------------

[root@h2g2w ~]# virsh list --all
 ID    Nom                            État
----------------------------------------------------
 -     9frontVM1                      fermé
 -     debianVM2                      fermé
 -     RancherOS_VM                   fermé

[root@h2g2w ~]# virsh start debianVM2
Domaine debianVM2 démarré

[root@h2g2w ~]# virsh start RancherOS_VM
Domaine RancherOS_VM démarré

[root@h2g2w ~]# virsh start RancherOS_VM
erreur :Le domaine est déjà actif

[root@h2g2w ~]# virsh list
 ID    Nom                            État
----------------------------------------------------
 1     debianVM2                      en cours d'exécution
 2     RancherOS_VM                   en cours d'exécution

[root@h2g2w ~]# virsh start 9frontVM1
Domaine 9frontVM1 démarré

[root@h2g2w ~]# service postgresql start
[root@h2g2w ~]# service postgresql start
Redirecting to /bin/systemctl start postgresql.service
[root@h2g2w ~]#
[root@h2g2w ~]#
[root@h2g2w ~]# ssh francois@debianVM2
francois@debianvm2's password:
Linux debian 4.9.0-5-amd64 #1 SMP Debian 4.9.65-3+deb9u2 (2018-01-04) x86_64

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Sat Jan 13 19:42:57 2018 from 192.168.122.1
francois@debian:~$
francois@debian:~$
francois@debian:~$ sudo su -
[sudo] Mot de passe de francois :
root@debian:~#
root@debian:~#
root@debian:~# cat >>/etc/modules <<EOF
>  loop
>  virtio
>  9p
>  9pnet
>  9pnet_virtio
EOF
root@debian:~#
root@debian:~# service kmod start
root@debian:~# mount test /opt -t 9p -o trans=virtio
root@debian:~# df -h
Sys. de fichiers            Taille Utilisé Dispo Uti% Monté sur
udev                          487M       0  487M   0% /dev
tmpfs                         100M    1,8M   98M   2% /run
/dev/mapper/debian--vg-root   3,5G    2,0G  1,3G  62% /
tmpfs                         499M       0  499M   0% /dev/shm
tmpfs                         5,0M       0  5,0M   0% /run/lock
tmpfs                         499M       0  499M   0% /sys/fs/cgroup
/dev/mapper/debian--vg-home   5,1G     21M  4,8G   1% /home
/dev/vda1                     236M     62M  162M  28% /boot
tmpfs                         100M       0  100M   0% /run/user/107
tmpfs                         100M       0  100M   0% /run/user/1000
test                          3,9G     16M  3,7G   1% /opt
root@debian:~# ls /opt
fileexemple  lost+found
root@debian:~#
root@debian:~# exit
déconnexion
francois@debian:~$ exit
déconnexion
Connection to debianvm2 closed.
[root@h2g2w ~]# ls -l /opt
total 16
-rw-r--r--. 1 root root     0 16 janv. 20:54 fileexemple
drwx------. 2 root root 16384 15 nov.  15:07 lost+found
[root@h2g2w ~]#