i'm very sorry, but i still cant install the "docker-ce".
I always get this error message
Failed to execute command 'export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin; export LANG=C.UTF-8; omv-mkconf apt 2>&1' with exit code '1': Warning: apt-key output should not be parsed (stdout is not a terminal)Executing: /tmp/apt-key-gpghome.JlufJp76ro/gpg.1.sh --no-tty --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 9dc858229fc7dd38854ae2d88d81803c0ebfcd88gpg: keyserver receive failed: Kein Schlüsselserver verfügbarrun-parts: /usr/share/openmediavault/mkconf/apt.d/15omvextras exited with return code 2
AND
Fehler #0:OMV\ExecException: Failed to execute command 'export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin; export LANG=C.UTF-8; omv-mkconf apt 2>&1' with exit code '1': Warning: apt-key output should not be parsed (stdout is not a terminal)Executing: /tmp/apt-key-gpghome.JlufJp76ro/gpg.1.sh --no-tty --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 9dc858229fc7dd38854ae2d88d81803c0ebfcd88gpg: keyserver receive failed: Kein Schlüsselserver verfügbarrun-parts: /usr/share/openmediavault/mkconf/apt.d/15omvextras exited with return code 2 in /usr/share/php/openmediavault/system/process.inc:182Stack trace:#0 /usr/share/openmediavault/engined/module/apt.inc(37): OMV\System\Process->execute()#1 /usr/share/openmediavault/engined/rpc/config.inc(168): OMVModuleApt->applyConfig()#2 [internal function]: OMVRpcServiceConfig->applyChanges(Array, Array)#3 /usr/share/php/openmediavault/rpc/serviceabstract.inc(123): call_user_func_array(Array, Array)#4 /usr/share/php/openmediavault/rpc/serviceabstract.inc(149): OMV\Rpc\ServiceAbstract->callMethod('applyChanges', Array, Array)#5 /usr/share/php/openmediavault/rpc/serviceabstract.inc(565): OMV\Rpc\ServiceAbstract->OMV\Rpc\{closure}('/tmp/bgstatusJ7...', '/tmp/bgoutputD7...')#6 /usr/share/php/openmediavault/rpc/serviceabstract.inc(159): OMV\Rpc\ServiceAbstract->execBgProc(Object(Closure))#7 /usr/share/openmediavault/engined/rpc/config.inc(213): OMV\Rpc\ServiceAbstract->callMethodBg('applyChanges', Array, Array)#8 [internal function]: OMVRpcServiceConfig->applyChangesBg(Array, Array)#9 /usr/share/php/openmediavault/rpc/serviceabstract.inc(123): call_user_func_array(Array, Array)#10 /usr/share/php/openmediavault/rpc/rpc.inc(86): OMV\Rpc\ServiceAbstract->callMethod('applyChangesBg', Array, Array)#11 /usr/sbin/omv-engined(536): OMV\Rpc\Rpc::call('Config', 'applyChangesBg', Array, Array, 1)#12 {main}
To mention:
The last command will fix the broken docker plugin. It will ask you if you want to install the package maintainers version or keep your current one, choose to install the package maintainer's version (it may not be those exact words, but you'll get it when the message comes up).
i dont get any message of installing this.