Para executar o comando com sucesso a VPS deverá estar off.
[root@vs20 ~]# vzlist
CTID NPROC STATUS IP_ADDR HOSTNAME
101 47 running 192.168.1.1 internetworkping.com
[root@vs20 ~]# vzctl set 102 –capability sys_time:on –save
CT configuration saved to /etc/vz/conf/102.conf