Re: Docker installation problem
On 7/4/21 2:17 AM, Gary L. Roach wrote:
> Hi all,
>
> Operating System: Debian GNU/Linux 10
> KDE Plasma Version: 5.14.5
> Qt Version: 5.11.3
> KDE Frameworks Version: 5.54.0
> Kernel Version: 4.19.0-17-amd64
> OS Type: 64-bit
> Processors: 4 × AMD FX(tm)-4350 Quad-Core Processor
> Memory: 15.6 GiB of RAM
>
> I have been trying to get a working installation of Docker. This should
> be easy considering all of the information available. Alas, for me, this
> doesn't seem to be the case. My latest attempt was to use the
> instructions at
> *https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-debian-10*
> . I followed the instructions to the letter with the exception of
> skipping over the repository setup that I installed before. I got the
> following:
>
>> apt install docker-ce
>> Reading package lists... Done
>> Building dependency tree
>> Reading state information... Done
>> The following additional packages will be installed:
>> docker-ce-cli docker-ce-rootless-extras docker-scan-plugin
>> Recommended packages:
>> slirp4netns
>> The following NEW packages will be installed:
>> docker-ce docker-ce-cli docker-ce-rootless-extras docker-scan-plugin
>> 0 upgraded, 4 newly installed, 0 to remove and 0 not upgraded.
>> Need to get 0 B/79.1 MB of archives.
>> After this operation, 335 MB of additional disk space will be used.
>> Do you want to continue? [Y/n]
>> qt.qpa.screen: QXcbConnection: Could not connect to display
>> /Could not connect to any X display./
>> debconf: unable to initialize frontend: Kde
>> debconf: (debconf-kde-helper terminated abnormally (exit status: 1))
>> debconf: falling back to frontend: Qt
>> debconf: unable to initialize frontend: Qt
>> debconf: (Can't locate Debconf/FrontEnd/Qt.pm in @INC (you may need to
>> install the Debconf::FrontEnd::Qt module) (@INC contains: /etc/perl
>> /usr/local/lib/x86_64-linux-gnu/perl/5.28.1
>> /usr/local/share/perl/5.28.1 /usr/lib/x86_64-linux-gnu/perl5/5.28
>> /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.28
>> /usr/share/perl/5.28 /usr/local/lib/site_perl
>> /usr/lib/x86_64-linux-gnu/perl-base) at (eval 22) line 2.)
>> debconf: falling back to frontend: Dialog
>> Selecting previously unselected package docker-ce-cli.
>> (Reading database ... 263049 files and directories currently installed.)
>> Preparing to unpack
>> .../docker-ce-cli_5%3a20.10.7~3-0~debian-buster_amd64.deb ...
>> Unpacking docker-ce-cli (5:20.10.7~3-0~debian-buster) ...
>> Selecting previously unselected package docker-ce.
>> Preparing to unpack
>> .../docker-ce_5%3a20.10.7~3-0~debian-buster_amd64.deb ...
>> Unpacking docker-ce (5:20.10.7~3-0~debian-buster) ...
>> Selecting previously unselected package docker-ce-rootless-extras.
>> Preparing to unpack
>> .../docker-ce-rootless-extras_5%3a20.10.7~3-0~debian-buster_amd64.deb ...
>> Unpacking docker-ce-rootless-extras (5:20.10.7~3-0~debian-buster) ...
>> Selecting previously unselected package docker-scan-plugin.
>> Preparing to unpack
>> .../docker-scan-plugin_0.8.0~debian-buster_amd64.deb ...
>> Unpacking docker-scan-plugin (0.8.0~debian-buster) ...
>> Setting up docker-scan-plugin (0.8.0~debian-buster) ...
>> Setting up docker-ce-cli (5:20.10.7~3-0~debian-buster) ...
>> Setting up docker-ce-rootless-extras (5:20.10.7~3-0~debian-buster) ...
>> Setting up docker-ce (5:20.10.7~3-0~debian-buster) ...Could not
>> connect to any X display.
>> Created symlink
>> /etc/systemd/system/multi-user.target.wants/docker.service →
>> /lib/systemd/system/docker.service.
>> Created symlink /etc/systemd/system/sockets.target.wants/docker.socket
>> → /lib/systemd/system/docker.socket.
>> Job for docker.service failed because the control process exited with
>> error code.
>> See "systemctl status docker.service" and "journalctl -xe" for
>> details.Could not connect to any X display.
>> invoke-rc.d: initscript docker, action "start" failed.
>> ● docker.service - Docker Application Container Engine
>> Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor
>> preset: enabled)
>> Active: activating (auto-restart) (Result: exit-code) since Sat
>> 2021-07-03 15:54:00 PDT; 9ms ago
>> Docs: https://docs.docker.com
>> Process: 28141 ExecStart=/usr/bin/dockerd -H fd://
>> --containerd=/run/containerd/containerd.sock (code=exited,
>> status=1/FAILURE)
>> Main PID: 28141 (code=exited, status=1/FAILURE)
>> dpkg: error processing package docker-ce (--configure):
>> installed docker-ce package post-installation script subprocess
>> returned error exit status 1
>> Processing triggers for man-db (2.8.5-2) ...
>> Processing triggers for systemd (241-7~deb10u7) ...
>> Errors were encountered while processing:
>> docker-ce
>> E: Sub-process /usr/bin/dpkg returned an error code (1)
>> root@debian:/var/run/docker#
>> https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-debian-10https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-debian-10https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-debian-10https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-debian-10
> Note the error at docker.service and the /"Could not connect to any X
> display" problem/. I'm not sure what to do to fix this. Any help will be
> appreciated.
>
Hi Gary,
try to reconfigure debconf with following command as root:
# dpkg-reconfigure debconf
and choose "Dialog" as interface to use.
Then try to install docker again.
Kind regards
Georgi
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