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Questions tagged [16.04]

Sixth LTS (Long Term Support) release of Ubuntu, code-named "Xenial Xerus". Released on 21st April, 2016. Will go End Of Life (EOL) April 2021. Only use this tag if your question is version-specific. Don't use this to file bugs!

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Can I customize Keyboard shortcuts? (Nautilus)

I just want to customize shortcuts for two actions i.e. Switching next tab & Switching previous tab. These two actions have already shortcuts assigned (Ctrl+PgUp & Ctrl+PgDn). I want to ...
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Intel Centrino Advanced-N 6235 Bluetooth Lag

Not sure why, but when I try to run bluetooth on a full install of ubuntu 16.04 (I have my reasons), the bluetooth speeds up and slows down and skips uncontrollably with no explanation in the debug ...
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2answers
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Unable to install steam on 16.04

I am trying to install steam via command line, it gives this error: $ sudo apt-get install steam Reading package lists... Done Building dependency tree Reading state information... Done ...
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Install SSL Certificate for Electron Application

I'm currently building a debian installation package to deploy a electron application to our internal linux desktop machines (Ubuntu 16.04). The app contacts an internal server that uses certificates ...
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19 views

Try to install problem waiting to install

I downloaded the virtualbox 5.2.22 for the linux and try to install on Ubuntu 16.04 LTS. They told me waiting to install. What is the problem?
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blank screen after suspend/hibernate on 16.04

My desktop always shows blank screen after suspend, while audio and other functionality is fine. Strangely, when I hibernate my desktop, it would be succeed first time. Second time, that is, hibernate ...
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21 views

Uninstalling kodi

I started to install kodi then cancelled now when I boot up kodi takes over screen not ubuntu. Cant access ubuntu desk top to surf the web or to do anything. Need help to remove kodi. Note, I ...
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Trackpad freezes after increased cpu load

I have this weird problem, where my trackpad freezes if CPU load increases to more than 80%. The problem resolves only when I restart the system. Another way around is that I use an external mouse ...
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1answer
29 views

Safely removing USB 3.0 drive freezes the system - why and how to fix?

I'm running Ubuntu 16.04.5 LTS amd64 with 4.4.0-140-generic Linux kernel. After one of recent upgrades I got new unexpected behavior - when I select Safely remove drive in Caja click Power off the ...
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Syntax Error in Apt in ubuntu 16.04

This is the error I get when I try to install any thing using apt or apt-get. /usr/bin/apt: 1: /usr/bin/apt: Syntax error: "(" unexpected what does it mean by Syntax error?. Which file should I see ...
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1answer
20 views

Chromium-browser libprotobuf ERROR when using PPAPI flash --> Segmentation fault

I can't start up the chromium-browser after an update. adobe-flash-properties-gtk:amd64 and adobe-flashplugin:amd64 were upgraded today. How do I fix this issue? $ chromium-browser Using PPAPI ...
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/Boot full. Help needed in cleaning it up [duplicate]

I'm running Ubuntu server version 16.04 and I'm running into an issue where my /boot directory is full. This is a server running Wordpress which is servicing our Intranet site. I'm not a Linux expert ...
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Change of Motherboard - Same HDD [on hold]

I wanted to overclock my cpu so I had to upgrade from a B150i motherboard to a Z270-ar using an Intel i5 6600k. What surprised me is that when I changed all the components over and booted Ubuntu 18....
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1answer
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Why does Ubuntu 16.04 come with Python 3.5 but not pip3?

This is probably a basic question but I am quite new to Ubuntu. As far as I understand, Ubuntu 16.04 (and the following versions) come with Python 3.5 as default, not Python 2.7. My question is, why ...
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encrypted home directory can access but not see files

I have an encrypted volume and encrypted home directory on Ubuntu 16.04. About a week ago I noticed I could not see any files in my home directory. Oddly enough I can however access files I knew ...
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1answer
19 views

How to install python3.6 (dev) on Unbuntu 16.04 without colliding with python3.5 (dev)

I have an app that must be run on python3.6 and I'd prefer to run it on a Unbuntu 16.04 OS. Problem is that eventually python3.6 ends up trolling through /usr/lib/python3 which is already polluted ...
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Ubuntu 18.04 no installation or update after upgrade from 16.04 [duplicate]

My laptop is a Dell Inspiron 15 3000 series, which shipped with Ubuntu 14.04 preinstalled. I can't upgrade, install or uninstall nothing in Ubuntu 18.04 after upgrade it from 16.04. When I upgrade ...
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Huawei E3372h LTE dongle does not detected by command line: lsusb

nice everyone, My environment is VMware ubuntu 16.04, and it's my problem below. The usb compatibility is usb3.0. enter image description here enter image description here I have installed usb-...
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Why so lag when playing game on ubuntu 16.04?

I had installed NFS Most Wanted on my laptop running Ubuntu 16.04 with 4 GB RAM. The program lags on Ubuntu but runs fine on Windows with even 2 GB RAM on the same laptop. Anyone know the problem and ...
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Theme for Specific Application WPS

Please help on this problem. I used this command in my wps-office-et.desktop under EXEC env GTK_THEME=/home/rk/.themes/vimix-light-laptop-ruby /usr/bin/et %f Also, I tried this one env GTK_THEME=...
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How to add/edit additional search entry in /etc/resolv.conf

I have the below entries in my /etc/resolv.conf # more /etc/resolv.conf domain c.XXXX-XXXX-XXXX.internal search c.XXXX-XXXX-XXXX.internal. XXXX.internal. nameserver XX.XX.XX.XX How can I add new ...
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USB 3.0 hard drive dock only in USB 2

On my ubuntu 16.04, I have an usb3 disk dock, enermax EB311SC, but it is only recognized as an usb2.1 bay. It has external power, so I guess usb3 power requirement shouldn't matter. So speed is ...
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1answer
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internet is slow with D-Link DWA-131 wireless adapter

I am facing this issue recently instantly with my D-Link DWA-131 wireless adapter. Mine is Ubuntu 16.04 LTS. My adapter was working perfectly since past 3 years. All of a sudden since 2 days, I am ...
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HELP! Installed Bumblebee, and now my screen is black!

I am using Ubuntu 16.04 and I have an Intel GPU and an Nvidia GPU. Previously I had installed the latest Nvidia driver for my Nvidia GPU, however, my computer was only using that GPU and ignoring the ...
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Ubuntu do not pass logon screen after update

I have Ubuntu 16.04. Some packages were updated automatically. After restart graphics resolution changed. When I try to login, system return me back to logon screen without any warnings. When password ...
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Navicat Monitor Uninstall from Ubuntu 16.04

Whenever I access localhost:3000 there Navicat is always there. Anyone please help me to get rid of it. TIA
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1answer
21 views

docker image build command fails with “(Client.Timeout exceeded while awaiting headers)”

I am new to docker and Ubuntu 16.04 OS as well. My configuration is as follows : Ubuntu: $lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.5 LTS ...
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29 views

XP Pen PenTablet driver installing issues on Ubuntu 16.04

New to Linux, I have been trying to install drivers for my XP Pen G640 because the tablet doesn't works correctly with my current system (Ubuntu 16.04.05). Now they have provided Beta version of ...
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Ubuntu(16.04.5) new install cannot ping default gateway/other systems in network

This is my first post and please forgive if i am asking something very trivial. I tried several things that I read on the forum but couldn't figure out a solution that works for me. I installed ...
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Mounting home folder of one Ubuntu inside home folder of another

I have a system which has Ubuntu 18.04 installed. It has a home folder of size around 500 GB. Now, I am in need of Ubuntu 16.04. I have a space of around 180 GB in the hard disk. Due to the nature of ...
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1answer
126 views

if-up.d launches two instances of a single script

Case: On our Ubuntu Xenial(16.04) station I host a bot written in Python that connects to our IRC server that's set to launch in /etc/network/if-up.d/ Our bot was connecting twice though the script ...
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212 views

Unable to connect to file-server/NIS after upgrading a workstation from 14.04.5 to 16.04

After upgrading a workstation from 14.04 LTS to 16.04 LTS, it is unable to connect to the ypserver/NIS. Nothing eventful happened during the upgrade. Everything is correct as far as the ypbind.conf ...
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How to install Oracle Database Express Edition (XE) Release 18.4.0.0.0 (18c) on ubuntu 16.04?

wanted to work on SQL using sql*plus 18.3 on my Ubuntu PC as i installed it asks me username and password and since i don't have any oracle database installed on my PC i can't connect to it. as i ...
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1answer
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After upgrading Ubuntu 16.04 to 18.04 vim does not work… can't install it!

After upgrading Ubuntu, I just notice that vim is not working (actually deleting from Ubuntu) So I tried to re-installing it using this command: $ sudo apt install vim And the result is: Reading ...
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Ubuntu 18.04 : Internet keeps going on and off while wifi is connected

I am using Ubuntu 18.04 and my internet remains on for some time and then goes off (so basically ping doesn't work and neither does any website load inside the browser). I have to reconnect to the ...
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1answer
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How can I install Marlin file manager in Ubuntu 16.04?

Since nautilus doesn't have a column view option I want to install marlin file manager which provides column view. I use Ubuntu 16.04 installed machine. I tried several ways proposed on the web to ...
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How to set Python3 as default Python interpreter for VScode?

I've successfully installed VSCode and extension for Python. Since Ubuntu comes with two Python2 version 2.7.12 and Python3 version 3.5.2, VSCode uses Python2 as default interpreter. After opening ...
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3answers
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How can I roll back my Ubuntu from 18.04 to 16.04? [duplicate]

I accidentally upgraded Ubuntu from 16.04 to 18.04. Now I can't log in to the system. But through the PE system, I can see that the previous file is still on the hard disk. Is there any way to get 18....
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1answer
19 views

Migrating ubuntu; fetch manally installed packages to feed apt-get install [duplicate]

Description: This is somehow simple; I am migrating to an other computer. I am going to take the opportunity to switch to the new 18.04 LTS from the 16.04 (on the old computer). On the 16.04 I ...
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How to enable pcntl fork PHP5.6 in Ubuntu 16.04 ?

here i am using php5.6 and got this information i need to enable it for php threading . how to enable pcntl fork ? thank you
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Ubuntu 16.04.5 Login Loop

I am struck at the login loop on my Ubuntu 16.04.5 . The situation background goes as , everything was working fine until I changed my password and it didn't accept it after next login . So I did a ...
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Huge gap 37 sec when ubuntu boot

I have a problem with boot speed on ubuntu 16.04 LTS. When run dmesg I see there is 37 second delay in a process. Anybody knows why, or how to fix it? [ 66.252929] virbr0: port 1(virbr0-nic) ...
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1answer
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Alt-Gr + [Key] freezing XFCE on Ubuntu 16.04.5 LTS server

I have an Ubuntu 16.04.5 server installation with XFCE**. Every time I hit Alt-Gr + e (Euro sign), Alt-Gr + . (ellipsis) and other combinations involving the right alt key, XFCE completely freezes. ...
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installer python [closed]

bonjour, un problème sur l'installation de python enter image description here Y a-t-il une solution à ce problème?
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Ubuntu 16.04 sudden freeze/unresponsiveness/hanging

I'm new here, so please bear with me. I'm not new to Ubuntu, but I'm also not very experienced when it comes to debugging low-level stuff. In the last few days I have been experiencing some weird ...
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18 views

How to encrypt a non home directory with SSH public key [duplicate]

How do I encrypt a non home directory like /backups/secret/ with my SSH public key on 16.04?
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0answers
19 views

No sound (no sound card detected) - ubuntu 16.04 LTS

aplay -l aplay: device_list:268: no soundcards found... lspci -nnk | grep -A2 Audio Audio device [0403]: Intel Corporation Device [8086:a2f0] Subsystem: Micro-Star International Co., Ltd. [...
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0answers
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Recent installation of Ubuntu 16.04 crashes continuosly

I have recently updated Ubuntu to 16.04 (32 bit) on our office machine. Installation went fine, but system crashes frequently when we are browsing the net. Following some suggestions on this forum, I ...
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How should OpenCV 2 be installed on Ubuntu 16.04.5 LTS?

I need OpenCV 2 for a legacy program, specifically OpenCV 2.4.9.1. I have attempted to install python-opencv=2.4.9.1+dfsg-1.5ubuntu1 and libopencv-dev=2.4.9.1+dfsg-1.5ubuntu1. The former appears to ...
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Audio Not Working on Ubuntu 16.04 (I have tried everything)

Just yesterday, everything was fine. Previously, only my input devices would not work. Now nothing works. I have checked Alsamixer. I have purged and reinstalled Pulseaudio. I have rebooted my ...