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<p>Dear Stefan, first of all thanks for having suggested some path
to follow.</p>
<p>See here:<br>
</p>
<p>########################################################<br>
root@noc /var/log/apt # apt full-upgrade -d<br>
Reading package lists... Done<br>
Building dependency tree <br>
Reading state information... Done<br>
You might want to run 'apt --fix-broken install' to correct these.<br>
The following packages have unmet dependencies:<br>
libx2go-log-perl : Depends: x2goserver-common (>=
4.1.0.4-0~1975~ubuntu20.04.1) but 4.1.0.3-5 is installed<br>
libx2go-server-db-perl : Depends: x2goserver-common (>=
4.1.0.4-0~1975~ubuntu20.04.1) but 4.1.0.3-5 is installed<br>
libx2go-server-perl : Depends: libx2go-log-perl (<
4.1.0.3-5.1~) but 4.1.0.4-0~1975~ubuntu20.04.1 is installed<br>
Depends: libx2go-server-db-perl (<
4.1.0.3-5.1~) but 4.1.0.4-0~1975~ubuntu20.04.1 is installed<br>
E: Unmet dependencies. Try 'apt --fix-broken install' with no
packages (or specify a solution).<br>
root@noc /var/log/apt #<br>
########################################################</p>
<p>So that is a dead end. And "apt --fix-broken install" is just the
same:</p>
<p>########################################################<br>
root@noc /var/log/apt # apt --fix-broken install<br>
Reading package lists... Done<br>
Building dependency tree <br>
Reading state information... Done<br>
Correcting dependencies... failed.<br>
The following packages have unmet dependencies:<br>
libx2go-log-perl : Depends: x2goserver-common (>=
4.1.0.4-0~1975~ubuntu20.04.1) but 4.1.0.3-5 is installed<br>
libx2go-server-db-perl : Depends: x2goserver-common (>=
4.1.0.4-0~1975~ubuntu20.04.1) but 4.1.0.3-5 is installed<br>
libx2go-server-perl : Depends: libx2go-log-perl (<
4.1.0.3-5.1~) but 4.1.0.4-0~1975~ubuntu20.04.1 is installed<br>
Depends: libx2go-server-db-perl (<
4.1.0.3-5.1~) but 4.1.0.4-0~1975~ubuntu20.04.1 is installed<br>
E: Error, pkgProblemResolver::Resolve generated breaks, this may
be caused by held packages.<br>
E: Unable to correct dependencies<br>
root@noc /var/log/apt # <br>
########################################################</p>
<p>Now see here:<br>
</p>
<p>########################################################<br>
root@noc /home/desktop/Desktop # grep -r x2go
/etc/apt/sources.list* <br>
/etc/apt/sources.list.d/x2go-ubuntu-stable-focal.list:deb
<a class="moz-txt-link-freetext" href="http://ppa.launchpad.net/x2go/stable/ubuntu">http://ppa.launchpad.net/x2go/stable/ubuntu</a> focal main<br>
/etc/apt/sources.list.d/x2go-ubuntu-stable-focal.list:# deb-src
<a class="moz-txt-link-freetext" href="http://ppa.launchpad.net/x2go/stable/ubuntu">http://ppa.launchpad.net/x2go/stable/ubuntu</a> focal main<br>
########################################################<br>
</p>
<p>So we're actually using X2Go stock from the Ubuntu repositories.
</p>
<p>And with regards to how the mess has happened, history.log was
actually/already rotated, and this is what I see, after having
grepped /var/log/apt/history.log.1.gz, looking for "x2go"
recurrences:</p>
<p>########################################################<br>
Start-Date: 2023-05-31 09:28:30<br>
Commandline: packagekit role='update-packages'<br>
Requested-By: desktop (1000)<br>
Upgrade: iptables:amd64 (1.8.4-3ubuntu2, 1.8.4-3ubuntu2.1),
x2goserver-x2goagent:amd64 (4.1.0.3-5,
4.1.0.4-0~1975~ubuntu20.04.1), openssl:amd64 (1.1.1f-1ubuntu2.18,
1.1.1f-1ubuntu2.19), snapd:amd64 (2.58+20.04, 2.58+20.04.1),
libip6tc2:amd64 (1.8.4-3ubuntu2, 1.8.4-3ubuntu2.1),
libxtables12:amd64 (1.8.4-3ubuntu2, 1.8.4-3ubuntu2.1),
x2goserver-common:amd64 (4.1.0.3-5, 4.1.0.4-0~1975~ubuntu20.04.1),
libx2go-server-perl:amd64 (4.1.0.3-5,
4.1.0.4-0~1975~ubuntu20.04.1), libssl1.1:amd64
(1.1.1f-1ubuntu2.18, 1.1.1f-1ubuntu2.19), libip4tc2:amd64
(1.8.4-3ubuntu2, 1.8.4-3ubuntu2.1), tzdata:amd64
(2023c-0ubuntu0.20.04.1, 2023c-0ubuntu0.20.04.2)<br>
Remove: libx2go-utils-perl:amd64 (4.1.0.3-5)<br>
Error: Sub-process /usr/bin/dpkg returned an error code (1)<br>
End-Date: 2023-05-31 09:28:30<br>
<br>
Start-Date: 2023-05-31 09:28:52<br>
Commandline: packagekit role='update-packages'<br>
Requested-By: desktop (1000)<br>
Upgrade: iptables:amd64 (1.8.4-3ubuntu2, 1.8.4-3ubuntu2.1),
openssl:amd64 (1.1.1f-1ubuntu2.18, 1.1.1f-1ubuntu2.19),
snapd:amd64 (2.58+20.04, 2.58+20.04.1), libip6tc2:amd64
(1.8.4-3ubuntu2, 1.8.4-3ubuntu2.1), libxtables12:amd64
(1.8.4-3ubuntu2, 1.8.4-3ubuntu2.1), x2goserver-common:amd64
(4.1.0.3-5, 4.1.0.4-0~1975~ubuntu20.04.1),
libx2go-server-perl:amd64 (4.1.0.3-5,
4.1.0.4-0~1975~ubuntu20.04.1), libssl1.1:amd64
(1.1.1f-1ubuntu2.18, 1.1.1f-1ubuntu2.19), libip4tc2:amd64
(1.8.4-3ubuntu2, 1.8.4-3ubuntu2.1), tzdata:amd64
(2023c-0ubuntu0.20.04.1, 2023c-0ubuntu0.20.04.2)<br>
Remove: libx2go-utils-perl:amd64 (4.1.0.3-5)<br>
Error: Sub-process /usr/bin/dpkg returned an error code (1)<br>
End-Date: 2023-05-31 09:28:52<br>
<br>
Start-Date: 2023-05-31 09:34:27<br>
Commandline: /usr/sbin/synaptic<br>
Requested-By: desktop (1000)<br>
Upgrade: x2goserver-x2goagent:amd64 (4.1.0.3-5,
4.1.0.4-0~1975~ubuntu20.04.1), x2goserver-common:amd64 (4.1.0.3-5,
4.1.0.4-0~1975~ubuntu20.04.1), libx2go-server-perl:amd64
(4.1.0.3-5, 4.1.0.4-0~1975~ubuntu20.04.1)<br>
Remove: libx2go-utils-perl:amd64 (4.1.0.3-5)<br>
Error: Sub-process /usr/bin/dpkg returned an error code (1)<br>
End-Date: 2023-05-31 09:34:27<br>
<br>
Start-Date: 2023-05-31 09:43:08<br>
Commandline: apt --fix-broken install<br>
Requested-By: desktop (1000)<br>
Upgrade: x2goserver-common:amd64 (4.1.0.3-5,
4.1.0.4-0~1975~ubuntu20.04.1), libx2go-server-perl:amd64
(4.1.0.3-5, 4.1.0.4-0~1975~ubuntu20.04.1)<br>
Remove: libx2go-utils-perl:amd64 (4.1.0.3-5)<br>
Error: Sub-process /usr/bin/dpkg returned an error code (1)<br>
End-Date: 2023-05-31 09:43:09<br>
########################################################</p>
<p>In the end: the origin of the problem was caused by Discover
automatic updates. I authorized those packages to be updated, and
soon after this is what I got:</p>
<p><img src="cid:part1.dGcOdCBF.IHniJZ4z@fucine.it" alt=""></p>
<p>After first errors - from inside Discover itself - we got this
also (the client-side suspension was not effective at all).<br>
</p>
<p><img src="cid:part2.KGo2imxV.Cyq8qn4V@fucine.it" alt=""></p>
<p>And now, if we try to re-connect:</p>
<p><img src="cid:part3.3Nm0JZom.D3F7x0c8@fucine.it" alt=""></p>
<p>Thanks for further suggestions, if any, and best regards, e.-</p>
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