Cordel, thanks for your reply!!
But, it didn't work...
I think it is a problem about shared memory but I don't know what I can do to fix it.
Now the ZM has only the remote monitor. See what the file /var/log/messages says:
Dec 18 12:19:22 liviab zmdc[3303]: INF [Starting pending process, zmc -m 2]
Dec 18 12:19:22 liviab zmdc[3303]: INF ['zmc -m 2' starting at 08/12/18 12:19:22, pid = 3598]
Dec 18 12:19:22 liviab zmdc[3598]: INF ['zmc -m 2' started at 08/12/18 12:19:22]
Dec 18 12:19:22 liviab zmc_m2[3598]: INF [Debug Level = 0, Debug Log = <none>]
Dec 18 12:19:22 liviab zmc_m2[3598]: INF [Starting Capture]
Dec 18 12:22:31 liviab zmc_m2[3598]: ERR [Can't connect to remote camera: Connection timed out]
Dec 18 12:22:31 liviab zmc_m2[3598]: ERR [Unable to connect to camera]
Dec 18 12:22:31 liviab zmc_m2[3598]: ERR [Failed to pre-capture monitor 0]
Dec 18 12:22:31 liviab zmdc[3303]: INF ['zmc -m 2' exited normally]
Dec 18 12:22:36 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:22:46 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:22:56 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:23:06 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:23:16 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:23:26 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:23:36 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:23:46 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:23:56 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:24:06 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:24:16 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:24:26 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:24:36 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:24:46 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:24:56 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:25:06 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:25:16 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:25:26 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:25:36 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:25:46 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:25:56 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:26:06 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:26:16 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:26:26 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:26:36 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:26:46 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:26:56 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:27:06 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:27:16 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:27:26 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:27:36 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:27:46 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:27:56 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:28:06 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:28:16 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:28:26 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:28:36 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:28:46 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:28:56 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:29:06 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:29:16 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:29:26 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:29:36 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:29:46 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:29:56 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:30:06 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:30:16 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:30:26 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:30:36 liviab zmwatch[3340]: ERR [Can't get shared memory id '7a6d0002', 2: No such file or directory]
Dec 18 12:30:36 liviab zms[3634]: INF [Debug Level = 0, Debug Log = <none>]
Dec 18 12:30:36 liviab zms[3634]: WAR [Shared data not initialised by capture daemon, some query functions may not be available or produce invalid results]
Dec 18 12:30:36 liviab zms[3634]: WAR [Unable to store frame as shared memory invalid]
Dec 18 12:30:49 liviab zms[3645]: INF [Debug Level = 0, Debug Log = <none>]
Dec 18 12:30:49 liviab zms[3645]: WAR [Shared data not initialised by capture daemon, some query functions may not be available or produce invalid results]
Dec 18 12:30:49 liviab zms[3645]: WAR [Unable to store frame as shared memory invalid]
Do you know something about this problem?