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Messages - doncamilo

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On linux you have to install the heimdal-clients package.

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It's a good first step  :)

Email and Groupware / Re: Zentyal mail
« on: May 23, 2019, 12:03:37 am »
Hello all,

I'm having zentyal 4.2 as mail server. Since about two weeks we are unable to receive emails from outside.
Between emails address in the domain we can receive mails but not from external domains.
i got this error: "  dovecot: imap-login: Error: read(anvil) failed: EOF"
Any help please.

Please run
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doveconf -a and send the output.  :)

Email and Groupware / Re: Calendar problem - synchronized
« on: May 22, 2019, 11:52:19 pm »

We have a post office in Zentyal, which has calendar functionality to monitor the work of employees. Each employee is required to enter an hour after an hour of what he was doing. We have the following problem: after synchronizing the calendars (all employees around 300) to the mailbox of one of the employees who manages the work and writes reports on these calendars. After a few days two or three calendars, shared calendars disappear and you have to download them again manually to be visible. It is cumbersome and significantly hinders work.

Is it possible to do so that once the synchronized calendars for the monitoring person do not disappear and you would not have to enter them again manually.

Greet and wait for a reply.

Zentyal ver: 3.5.1

This links could be useful: and this


Please help me with is topic how to configure Zentyal as a main domain controller and windows server as a backup domain controller like ADC.

i am not able to confiuger windows server as a Additional Domain Controller for Zentyal.

error is following
Verification of prerequisites for Active Directory preparation failed. Unable to perform Exchange schema conflict check for domain zentyal.local
Exception: The RPC server is unavailable.
Adprep could not retrieve data from the server zentyal.local through Windows Managment Instrumentation (WMI).
[User Action]
Check the log file ADPrep.log in the C:\Windows\debug\adprep\logs\20190408214417-test directory for possible cause of failure.

Could be the Zentyal firewall is blocking the RPC traffic?

PS: Did you know that Samba4 is compatible only until Windows Server 2008, yes?

I'm looking for a way to change the Zentyal server IP address without doing it through the Web UI. This is useful when the VM is moved to a new subnet, and access to the Web UI is not available, and console access is the only available method. Note that the X11 GUI is disabled to save resources.

I tried editing the file /etc/network/interfaces directly. The IP address of the server is changed after a reboot, but when I access the Zentyal Web UI, I still see the old IP address. I'm not sure where is Zentyal picking up the IP address to populate the Web UI.

Thanks to anyone who can help.

Zentyal loads data from redis throught stubs. So, when restarting the services your data will be lost.

But, for your needs, I think you could reached your goals by using the gnu/linux ip command So you don't need to edit any config file.  ;)

Greetings to the zentyal team.
I have a problem with a hard drive that installs my zentyal server. The hard drive is as storage for the HOME partition, which I have many music files and programs for PDQ Deploy software installations, to share on the network. Last week I installed 2 new hard drives to extend the volume, but I did not notice that one of them is the one that is failing, it is also a different model.

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administrator@servidor:~$ sudo lsscsi
[sudo] password for administrator:
[0:0:0:0]    disk    ATA      WDC WD5000AAKX-0 1H15  /dev/sda
[1:0:0:0]    disk    ATA      ST3750640NS      3CNR  /dev/sdb
[4:0:0:0]    disk    ATA      ST3750525AS      JC45  /dev/sdc
[5:0:0:0]    disk    ATA      ST3750640NS      3CNR  /dev/sdd
[6:0:0:0]    disk    Generic  STORAGE DEVICE   9833  /dev/sde
The problem is ST3750525AS with the extension /dev/sdc

I need to remove without damaging the system, I made an attempt to remove it abruptly and zentyal does not start.

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administrator@servidor:~$ sudo lsblk -fm
NAME                       FSTYPE      LABEL  UUID                                   MOUNTPOINT   SIZE OWNER GROUP MODE
sda                                                                                             465,8G root  disk  brw-rw----
├─sda1                     ext2        BOOT   694c0d39-ca9e-47f6-8cc9-c3ae7d107986   /boot        1,9G root  disk  brw-rw----
├─sda2                     swap               a7585f9d-98c4-4aee-b970-14f95e0ee81a   [SWAP]         8G root  disk  brw-rw----
├─sda3                                                                                              1K root  disk  brw-rw----
└─sda5                     LVM2_member        a7FzEB-amue-MqwT-i571-qR1P-m85V-CyZ6cn            455,9G root  disk  brw-rw----
  ├─servidor_vg-root_vl    ext4        ROOT   565b1925-bb20-4a88-a765-56043b2828ee   /          176,5G root  disk  brw-rw----
  └─servidor_vg-srv_vl     ext4        SRV    17922afb-d5a6-467a-bc74-39853afff2a0   /srv       279,4G root  disk  brw-rw----
sdb                                                                                             698,7G root  disk  brw-rw----
└─sdb1                     LVM2_member        Erzj3X-1nuW-nDwi-SKEN-KYcC-VfEW-CtYc82            698,7G root  disk  brw-rw----
  └─servidor_vg-storage_vl ext4        HOME   803e8428-0ff1-45f5-bcc4-d0e9906797ec   /home          2T root  disk  brw-rw----
sdc                                                                                             698,7G root  disk  brw-rw----
└─sdc1                     LVM2_member        A2dleM-MmRA-FWOn-30iD-wHdf-g2u5-308tsn            698,7G root  disk  brw-rw----
  ├─servidor_vg-backup_vl  ext4        BACKUP 2a5b3339-b60b-4b8a-b8c5-1bc3e05eff86   /bak        46,7G root  disk  brw-rw----
  └─servidor_vg-storage_vl ext4        HOME   803e8428-0ff1-45f5-bcc4-d0e9906797ec   /home          2T root  disk  brw-rw----
sdd                                                                                             698,7G root  disk  brw-rw----
└─sdd1                     LVM2_member        2iY9uh-n3iA-Peg6-5u3L-oq5h-hS1d-RHwswE            698,7G root  disk  brw-rw----
  └─servidor_vg-storage_vl ext4        HOME   803e8428-0ff1-45f5-bcc4-d0e9906797ec   /home          2T root  disk  brw-rw----

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administrator@servidor:~$ sudo lvdisplay
  --- Logical volume ---
  LV Path                /dev/servidor_vg/root_vl
  LV Name                root_vl
  VG Name                servidor_vg
  LV UUID                giYw25-XP8J-YXAn-wckO-D8ur-2WTh-eP0gNT
  LV Write Access        read/write
  LV Creation host, time servidor, 2019-03-01 17:37:21 -0400
  LV Status              available
  # open                 1
  LV Size                <176,49 GiB
  Current LE             45181
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0

  --- Logical volume ---
  LV Path                /dev/servidor_vg/srv_vl
  LV Name                srv_vl
  VG Name                servidor_vg
  LV UUID                9BYX7s-CZRg-xYEg-FXmG-6pDa-uI9A-BI1GoF
  LV Write Access        read/write
  LV Creation host, time servidor, 2019-03-01 17:37:35 -0400
  LV Status              available
  # open                 1
  LV Size                <279,40 GiB
  Current LE             71526
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:1

  --- Logical volume ---
  LV Path                /dev/servidor_vg/backup_vl
  LV Name                backup_vl
  VG Name                servidor_vg
  LV UUID                kDHbDG-LZsx-qd78-a4QI-YHeW-ywJ1-fSP2aC
  LV Write Access        read/write
  LV Creation host, time servidor, 2019-03-01 17:39:25 -0400
  LV Status              available
  # open                 1
  LV Size                46,70 GiB
  Current LE             11956
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2

  --- Logical volume ---
  LV Path                /dev/servidor_vg/storage_vl
  LV Name                storage_vl
  VG Name                servidor_vg
  LV UUID                Cjufl9-zSem-eSqA-m8Bk-RNHN-9r5R-L08pW2
  LV Write Access        read/write
  LV Creation host, time servidor, 2019-03-01 17:39:35 -0400
  LV Status              available
  # open                 1
  LV Size                2,00 TiB
  Current LE             524594
  Segments               3
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:3

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administrator@servidor:~$ sudo vgdisplay
  --- Volume group ---
  VG Name               servidor_vg
  System ID
  Format                lvm2
  Metadata Areas        4
  Metadata Sequence No  9
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                4
  Open LV               4
  Max PV                0
  Cur PV                4
  Act PV                4
  VG Size               2,49 TiB
  PE Size               4,00 MiB
  Total PE              653257
  Alloc PE / Size       653257 / 2,49 TiB
  Free  PE / Size       0 / 0
  VG UUID               vBHTK9-fBf3-2N8d-k3qu-5rFL-9HZr-AiGkQ2

See this howto

I am trying to plan a migration from Exchange 2007 (AD Integrated to our internal corporate AD) to Zentyal as a standalone domain. Our internal domain is different than our registered live internet domain and Zentyal will be receiving mail under the external domain - duh. So there really is no need for it to be attached to the internal users. We have about 200 users but most of them are mail only users with no account on the internal domain.

It's a single server and single domain environment, so should be a piece of cake EXCEPT that I'd like to do a phased migration. I just need to ideas on how to pull that off. I can install it as a new mail server on a new address, but then the changeover would be all or none. How can I phase this? i.e. only have about 10-20 users trying it out and burning it in before going full live with it but still maintain my domain and email addresses exactly as they are (no sub domains etc).

Zentyal e-mail module depends on Samba module, so, in order to use it as mail server you have to migrate the domain directory control to Zentyal.

Samba4 is Windows Server 2008 compatible, so you could try to integrate Zentyal as additional domain controller ( if Exchange 2007 has this feature)  and, after the migration of service, you could assignt the FSMO roles to Zentyal.

This last process works but there is some issues ( see here,19978.msg110446.html#msg110446 )

Additionally, You can play with e-mail virtual domains in order to mantain the service up while the migration :)


We have the same problem with zentyal 5.0 after a problem with primary DC we added an additional dc restored from another additional dc and then seized the fsmo roles, but in web interface zentyal says that the dc is an additional dc with the "old" name so backup doesn't works and have some other trouble ...

I can't find the bug track linked here, can you help me?

EDIT: I found the bug track in web archive but It says nothing else then buy the subscription for opening ticket and solve the problem... damn it  >:(

Yes... I have had this problem too. It's annoying. I have the intention of studying this code when I will have some time. It's a basic feature.  I love Perl but I don't know what are the Perl feelings for me!    :o

Installation and Upgrades / Re: Unable to upgrade from 5.13. to 6
« on: May 22, 2019, 10:37:27 pm »
I had tried to upgrade first using the dashboard and didn't work! In my second post there is the upgrade log.

I will try to check the update script, as you mentioned!

Some time ago I did the recovery process of a server suffering similar issues than yours. It is an annoying and dangerous.  You should try to reproduce the situation in a virtual machine. I remember that I had to uninstall all zentyal modules, (amazingly redis did his job and configurations were saved nevertheles it's needed to restart the server), remove mysql-server and re-install it, for afterwards to proceed to reinstall the desired zentyal modules...

If you have the possibility I recommends you to proceed with a fresh install. If you have to recover the system follow the steps I have talled, but, please, do your training process in a virtual machine!

Installation and Upgrades / Re: For public school project
« on: May 21, 2019, 01:46:42 pm »
Hi all,

can Zentyal handle 600-700 users for internet access filtering and firewall?
If yes, what should be the ideal spec?

Thanks to all


I installed Zentyal some years ago in a High School (~900 users) and it is still running.

The trick is to use Zentyal as default gateway and  to configure  DNS as transparent (So the little "hackers" can't change the  DNS). However, because the generalized use of HTTPS, most of the work relies on the "block by domain" Zentyal feature instead the old filter lists. It can be really boring as sysadmin.

However you could find useful the proxy feature that permits to limite the bandwith. I found it really flexible and useful.


Installation and Upgrades / Re: upgrade from 5.0 to 6 pending
« on: May 21, 2019, 12:51:07 pm »
firefox crash during upgrade and the  dpkg.log finish by :
2019-04-26 11:57:04 status half-configured zentyal-dns:all 6.0
and by ps -ef, i foung a :
dpkg --force-overwrite --force-confdef --status-fd 68 --configure ....
still run....
What can I do ?

As you have comment that your browser crashed while the upgrading it could be useful to know the real system status.

Run this command in order to check yous system status after the upgrade.

dpkg -l | grep 'zentyal-'

All the packages should belong to the 6.0 version if the upgrade was succesful.

Look for the broken packages;

dpkg -l | grep -vE '^ii|rc'

Afterwards read this:

Doesn't forget to check the samba database integrity (uses dbcheck options of samba-tool) and mysql database too. (In my experience MySQL seems to be a source of issues)


Installation and Upgrades / Re: Unable to upgrade from 5.13. to 6
« on: May 21, 2019, 12:25:31 pm »
I am trying to upgrade my Zentyal from 5.1.3 to 6, but if I use the GUI, nothing happens and if I try the command line (sudo aptitude dist-upgrade) the system fail and stops to work!

You shouldn't use the "dist-upgrade" option.  Zentyal manages the whole process.

You have to update your Zentyal 5.1 system until the 5.1.3 core version. So, you'll see in the dashboard an upgrade button. Click it and the upgrade will begin.

Under the hood this button runs the /usr/share/zentyal/release-upgrade script which applied some fixes and configures the "apt" repositories. You can analyze the code in order to try to fix your system.

I recommend you to check the system in order to confirm that everything is working fine (disk space, broken packages, errors in the log files, etc.)


News and Announcements / Re: Zentyal 6.0 available!
« on: May 21, 2019, 11:25:40 am »
can i update from 4.2 to 5.0 and then to 6.0 ?

Yes, but be cautious and check the Zentyal 5.0 changelog (for instance openChange have been abandonned in favor of SOGo)
In my case I did some trials by cloning my server config on a virtualbox machine before to do the real upgrade to Zentyal 6.0.

Security is priceless!

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