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Questions tagged [ubuntu]

Free, open-source operating system based on Debian GNU/Linux. Ubuntu questions are on topic here, but if you prefer an Ubuntu-only audience there is Ask Ubuntu (http://askubuntu.com/).

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What is wrong with my Qt environment? It reports “could not find or load the Qt platform plugin ”xcb“ in ”“.”

Five months ago I upgraded from Ubuntu 16.04 to Ubuntu 18.04. Following this upgrade several Qt applications no longer worked for me. Instead of starting up I would see errors such as: $ git cola &...
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MatterWiki npm run build issue

http://matterwiki.com/ Ubuntu 16.04.5 Server LTS Fails on: npm run build /matterwiki/npm-debug.log output: 0 info it worked if it ends with ok 1 verbose cli [ '/usr/bin/nodejs', '/usr/bin/npm', 'run'...
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CUDNN ERROR: Failed to get convolution algorithm

I'm having trouble running convolution networks on Keras with a source-compiled Tensorflow build. I'm using CUDA10.0 and CUDNN7.4 and both have been correctly compiled, as verified by their example ...
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Can't import python library

pip list Package Version ---------- ------- numpy 1.16.0 pip 19.0 scipy 1.2.0 setuptools 20.7.0 wheel 0.29.0 root@4c3f6bda574c:~# python Python 2.7.14 (default, Jan ...
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How to make compose keys work consistently on Ubuntu

I thought keyboard layout and input were system settings. I'm using English (US, intl., with dead keys) input source. How come different software handle these key strokes differently: On Chrome (as ...
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Postfix fatal: unsupported dictionary type: mysql, fatal: cannot execute /usr/sbin/postconf

I am trying to run a mail server, installed postfix and dovecot but I get the following errors when starting postfix. Jan 22 20:09:19 ub18 postfix/postfix-script[10135]: starting the Postfix mail ...
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Toshiba Satellite M50D-A-10Z boot failure

So I have a problem with booting up on my Toshiba Satellite. I've been trying to install Wine for Ubuntu and in the middle of the process I've encountered an error message in my terminal saying that ...
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How to RDP into remote Hyper-V Ubuntu VM that uses xRDP?

I have the special xRDP version of Ubuntu installed in Hyper-V and can successfully use Enhanced session. I setup the VM to use an External NIC that's bridged in Windows so it can get an IP from my ...
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How to get e.g Gimp (snap package) to access printers

Printers are not showing up in the print dialogue in gimp! Gimp was installed using "snap", e.g. $ sudo snap install gimp ... $ sudo snap list Name Version Rev Tracking ...
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Node.js serialport readline parser - response devided to each sign in new line

I would need some help in resolving a node.js problem with serialport response on one computer with Ubuntu 18.04 64-bit. On the beginning I can confirm that the hardware which I have connected answers ...
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Mongo can't start service

I have Ubuntu 16.04. And reinstall mongobd following tutorial on oficial mongo site - https://docs.mongodb.com/manual/tutorial/install-mongodb-on-ubuntu/ As result i have: mongo -version MongoDB ...
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MySQL Operations using ant are very slow in VM after Host OS Change

I have a developer VM that hold a mysql server that we use for development. When we were using XUbuntu 14.04 and later 16.04 our developer's fixture was loaded in 15 seconds using an ant script (and ...
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Thunderbird keyboard shortcut to switch dictionary language

As a non-American I write emails in multiple languages. In the newest releases of Thunderbird the add-on Dictionary Switcher is no longer supported, so I would like to just add a shortcut for cycling ...
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TeamCity Agent on linux doesn't recognize Powershell core Ubuntu 18.04.1 LTS

TC Version : TeamCity Enterprise 2017.1.4 (build 47070) Linux Version: Ubuntu 18.04.1 LTS (GNU/Linux 4.15.0-43-generic x86_64) Powershell Core Version: 6.1.2 I'm having some trouble in teamcity ...
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Why doesn't my terminal load .profile when I launch it?

I am very new to being a developer, and I have just started using Ubuntu. I am currently trying to run elasticbeanstalk CLI on my terminal, but I always get "eb: command not found" error when I type "...

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