On 28/04/2020 06:25, Maxim Solodovnik wrote:
> Your libreoffice at server seems to be misconfigured
> No other understandable errors on the logs
> What version of KMS are you using?
>
kurento-media-server/bionic,now 6.13.0-0kurento1.18.04 amd64 [installiert]
> Kurento connection issues might be caused by your OM restarts i. e. Is
> it possible you have multiple om instances running?
Do I have to look for this process ?
{output}
kurento 30582 1.1 9.4 14778360 3175232 ? Sl Apr27 6:36
/usr/lib/jvm/java-11-openjdk-amd64/bin/java
-Djava.util.logging.config.file=/opt/open504/conf/logging.properties
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djava.awt.headless=true -Djava.security.egd=file:/dev/./urandom
-Djdk.tls.ephemeralDHKeySize=2048
-Djava.protocol.handler.pkgs=org.apache.catalina.webresources
-Dorg.apache.catalina.security.SecurityListener.UMASK=0027 -Xms1G -Xmx8G
-server -XX:+UseParallelGC -Dignore.endorsed.dirs= -classpath
/opt/open504/bin/bootstrap.jar:/opt/open504/bin/tomcat-juli.jar
-Dcatalina.base=/opt/open504 -Dcatalina.home=/opt/open504
-Djava.io.tmpdir=/opt/open504/temp org.apache.catalina.startup.Bootstrap
start
{output}
Without any user logged in to the om frontend only one process .... with
two users sharing the same room still one process.
Can't say about the error situation with multiple users of same kind ....
> According to duplicated users in the list: I consider it as serious issue
> Can you share steps to reproduce and/or output of browser js console?
I really would love to do so. RIght now I have a hosted vps from strato
and two old computers at home for testing purposes.
Using local computers and a hosted vps the multiple but same user effect
didn't occur. (ubuntu 18.04 LTS)
Talking to my colleagues (2) living at different places than mine
caused the multiple but same user effect. I guess MBSU effect is
connected to reloading the page after a lost connection. Thats
something I did once uppon a time and out of the sudden I've doubled my
testing person. In the middle you can see messages like lost connection
to mediaserver on the frontend.
This was tested after i installed coturn, but happened without any
coturn or free tun/turn server configured.
> Is this issue reproducible on outermost server?
If you are talking about a vps hosted by a provider, yes that is the case.
>
>
> On Tue, Apr 28, 2020, 11:16 Stefan Kühl <ste...@quatrekuehl.eu
> <mailto:ste...@quatrekuehl.eu>> wrote:
>
> Hey guys,
>
> @kaffeesurrogat:
> Check if iptables-persistant is installed. As far as I know, this
> is not standard.
>
> Try:
>
> sudo apt-get install iptables-persistent
>
> then:
>
> iptables-save > /etc/iptables/rules.v4
>
>
>
> This should work.
>
> Greetz
>
> Hoschie
>
>
> Am 27.04.2020 23:16, schrieb Juan Antonio Moreno Carmona:
>
>> Everything seems OK. I would try first without iptables, with all
>> ports open. When you have openmeetings running smoothly then you
>> can go closing ports.
>>
>> El 27/4/20 a las 22:59, kaffeesurrogat escribió:
>>>
>>> On 27/04/2020 22:35, Juan Antonio Moreno Carmona wrote:
>>>> Ok, well. You have installed coturn, then look for a file named
>>>> turnserver.con. It can be in /etc/turnserver.conf or
>>>> /etc/turnserver/turnserver.conf.
>>>>
>>>> You must edit this file but before tell me if you have found it.
>>> ok what i did:
>>>
>>> what i did:
>>>
>>> 1) i installed coturn
>>> 2) edited /etc/default/coturn
>>> TURNSERVER_ENABLED=1
>>> 3) mkdir -p /var/log/turnserver
>>> and
>>> chown -R kurento /var/log/turnserver
>>> 4) openssl rand -hex 32
>>> 5) vi /etc/turnserver.conf
>>> use-auth-secret
>>> static-auth-secret=MYOPENSSLHASH
>>> user=kurento:MYNEWPASSW
>>> realm=kurent.org <http://kurent.org>
>>> log-file=/var/log/turnserver/turn.log
>>> 6) vi /etc/default/kurento-media-serve
>>> DAEMON_USER="kurento"
>>> 7) vi
>>> /opt/open504/webapps/openmeetings/WEB-INF/classes/applicationContext.xml
>>>
>>> <bean id="kurentoHandler"
>>> class="org.apache.openmeetings.core.remote.KurentoHandler"
>>> init-method="init" destroy-method="destroy"
>>> p:kurentoWsUrl="ws://127.0.0.1:8888/kurento
>>> <http://127.0.0.1:8888/kurento>"
>>> p:checkTimeout="10000"
>>> p:watchThreadCount="10"
>>> p:turnUrl="MYPUPIP:3478"
>>> p:turnUser="kurento:MYNEWPASSW"
>>> p:turnSecret="MYOPENSSLHASH"
>>> p:turnMode="rest"
>>> p:turnTtl="60"
>>> p:objCheckTimeout="200"
>>> p:flowoutTimeout="5"
>>> />
>>>
>>> 8) chown -R kurento /opt/open504
>>> 9) vi /etc/systemd/system/multi-user.target.wants/openmeetings.service
>>>
>>> User=kurento
>>> Group=nogroup
>>>
>>>
>>> Checked if user changed: ps aux | grep java
>>>
>>> kurento 30582 2.5 6.5 14674172 2209696 ? Sl 22:03 1:14
>>> /usr/lib/jvm/java-11-openjdk-amd64/bin/java
>>>
>>> 10) restart coturn checked status
>>>
>>> sudo systemctl status coturn
>>> coturn.service - LSB: coturn TURN Server
>>> Loaded: loaded (/etc/init.d/coturn; generated)
>>> Active: active (running) since Mon 2020-04-27 21:58:45 CEST; 53min
>>> ago
>>> Docs: man:systemd-sysv-generator(8)
>>> Tasks: 75 (limit: 165)
>>> CGroup: /system.slice/coturn.service
>>> └─30214 /usr/bin/turnserver -c /etc/turnserver.conf -o -v
>>>
>>> 11) restarted kurento checked status
>>>
>>> sudo systemctl status korento-media-service
>>>
>>> kurento-media-server.service - LSB: Kurento Media Server daemon
>>> Loaded: loaded (/etc/init.d/kurento-media-server; generated)
>>> Active: active (running) since Mon 2020-04-27 21:59:53 CEST; 53min
>>> ago
>>> Docs: man:systemd-sysv-generator(8)
>>> Tasks: 24 (limit: 165)
>>> CGroup: /system.slice/kurento-media-server.service
>>> └─30317 /usr/bin/kurento-media-server
>>>
>>>
>>> 12) restarted openmeetings checked status
>>>
>>> sudo systemctl status openmeetings.service
>>> ● openmeetings.service - Apache OpenMeetings server
>>> Loaded: loaded (/etc/systemd/system/openmeetings.service; enabled;
>>> vendor preset: enabled)
>>> Active: active (running) since Mon 2020-04-27 22:03:09 CEST; 50min
>>> ago
>>> Process: 30542 ExecStop=/opt/open504/bin/shutdown.sh (code=exited,
>>> status=1/FAILURE)
>>> Process: 30575 ExecStart=/opt/open504/bin/startup.sh (code=exited,
>>> status=0/SUCCESS)
>>> Main PID: 30582 (java)
>>> Tasks: 105 (limit: 165)
>>> CGroup: /system.slice/openmeetings.service
>>> └─30582 /usr/lib/jvm/java-11-openjdk-amd64
>>>
>>> 13) Opening ports ....
>>>
>>> sudo iptables -A INPUT -p tcp -m tcp --dport 3478 -j ACCEPT
>>> sudo iptables -A INPUT -p udp -m udp --dport 3478 -j ACCEPT
>>> sudo iptables -A INPUT -p tcp -m tcp --dport 5443 -j ACCEPT
>>> sudo iptables -A INPUT -p tcp -m tcp --dport 8888 -j ACCEPT
>>> sudo iptables -A INPUT -p udp --match multiport --dports 49152:65535 -j
>>> ACCEPT
>>> sudo iptables -A OUTPUT -p udp --match multiport --dports 49152:65535 -j
>>> ACCEPT
>>>
>>>
>>> 14) checked if rules are there
>>>
>>> sudo iptables -L .... seems to be right all of them where listed ...
>>>
>>> 15) saving the rules .....
>>>
>>> !!!!!!!!!!! THAT FAILS !!!!!!!!!!!
>>>
>>> sudo service iptables save
>>> iptables: unrecognized service
>>>
>>>
>>> mmmmmm, didn't find a solution for this ....
>>>
>>>
>>>
>>>
>>>> El 27/4/20 a las 22:26, kaffeesurrogat escribió:
>>>>> Yes i installed this thing on VPS, 8 vCores, 32GB of ram ..... ubuntu
>>>>> 18.04
>>>>>
>>>>> On 27/04/2020 21:59, Juan Antonio Moreno Carmona wrote:
>>>>>> Hi.
>>>>>>
>>>>>> I suppose you have Ubuntu installed on your VPS. It is right? Then
>>>>>> install the coturn package. Next you have to edit the files
>>>>>> turnserver.conf and applicationContext.xml and restart cotrun and
>>>>>> openmeetings. You can see more precise instructions in the next
>>>>>> tutorial
>>>>>>
>>>>>>
>>>>>> https://cwiki.apache.org/confluence/display/OPENMEETINGS/Tutorials+for+installing+OpenMeetings+and+Tools?preview=/27838216/152111934/Installation%20SSL%20certificates%20and%20Coturn%20for%20OpenMeetings%205.0.0-M4%20on%20Ubuntu%2018.04.pdf
>>>>>>
>>>>>>
>>>>>>
>>>>>> Juan Antonio.
>>>>>>
>>>>>> El 27/4/20 a las 21:34, kaffeesurrogat escribió:
>>>>>>> On 27/04/2020 21:30, kaffeesurrogat wrote:
>>>>>>>> On 27/04/2020 20:28, ratatouille wrote:
>>>>>>>>> Hello!
>>>>>>>>>
>>>>>>>>> Own machine for what? For a STUN-Server? I think it's the best to
>>>>>>>>> run such
>>>>>>>> | server on the same machine like OM.
>>>>>>>>
>>>>>>>> are there any instructions for the coturn stuff ...... can send me
>>>>>>>> a
>>>>>>>> link ? Never did that before .....
>>>>>>> is the one from the wiki the best starting point ? I've read quite
>>>>>>> a few
>>>>>>> instructions, each one is quite good, but it would ease my work to
>>>>>>> choose the right one from the beginning.
>>>>>>>
>>>>>>>
>>>>>>>>> What OS are you using? I use CentOS 7 with coturn as STUN-Server.
>>>>>>>>> Runs nice.
>>>>>>>> Its ubuntu 18.04 LTS on a hostet virtual machine.
>>>>>>>> 8 vCores, 32 Gb ram
>>>>>>>>
>>>>>>>> many thanks ....
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>> Andreas
>>>>>>>>>
>>>>>>>>> kaffeesurrogat <kaffeesurro...@posteo.de
>>>>>>>>> <mailto:kaffeesurro...@posteo.de>> schrieb am 27.04.20 um
>>>>>>>>> 19:47:26 Uhr:
>>>>>>>>>
>>>>>>>>>> Should I setup my own machine or is it save to use a public one ?
>>>>>>>>>>
>>>>>>>>>> On 27/04/2020 19:41, kaffeesurrogat wrote:
>>>>>>>>>>> I didn't configure a STUN, is that the problem? Which server do
>>>>>>>>>>> you
>>>>>>>>>>> recommend for being in germany ?
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On 27/04/2020 19:25, kaffeesurrogat wrote:
>>>>>>>>>>>> Hey everybody,
>>>>>>>>>>>>
>>>>>>>>>>>> i just finished a testing session with OM 5.0.4 and two
>>>>>>>>>>>> colleages. It
>>>>>>>>>>>> didn't went well at all.
>>>>>>>>>>>> Quite a few error messages popped up in the middle of the
>>>>>>>>>>>> session,
>>>>>>>>>>>> uploading of docx did not work, giving or withdrawing
>>>>>>>>>>>> permissions to
>>>>>>>>>>>> draw on the white board did fail or failed not.
>>>>>>>>>>>> As my colleages logged in, they showed up twice in the user
>>>>>>>>>>>> panel on the
>>>>>>>>>>>> right sight. I've been the moderator, my colleagues the
>>>>>>>>>>>> "users".
>>>>>>>>>>>> After a short while and a couple of disconnections, I could not
>>>>>>>>>>>> re-enter
>>>>>>>>>>>> the room because it was full. I've limited the room capacity to
>>>>>>>>>>>> 6 people.
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Restarting Openmeetings and KMS reentering the room for all of
>>>>>>>>>>>> us,
>>>>>>>>>>>> cleared the problem for a short while.
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> The session was ended by a browser message, that the
>>>>>>>>>>>> connection was
>>>>>>>>>>>> lost. I've attached the the logfile from this sessions. You
>>>>>>>>>>>> will
>>>>>>>>>>>> find
>>>>>>>>>>>> quite a few messages in there. I don't know, which one is
>>>>>>>>>>>> really
>>>>>>>>>>>> important,
>>>>>>>>>>>> thus I send all of them, replacing personal information .....
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Many thanks in advance,
>>>>>>>>>>>>
>>>>>>>>>>>> kaffeesurrogat
>>>>>>>>>>>>
>>>>>>>>>>>> it is quite big, sorry for that ...
>>>>>>>>>>>>
>
