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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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When installing dotnet-sdk-2.1 on Ubuntu 16.04,system hint unable to locate package [duplicate]

System hint unable to locate package when trying to install dotnet-sdk-2.1 on Ubuntu 16.04
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dual boot with ubuntu on ssd and win 10 on hdd

I have a new laptop with config 1TB HDD, 128GB SSD. The laptop came with default Windows 10. However, I mostly use Ubuntu for development purpose. So I want dual boot my laptop with ubuntu on SSD and ...
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How to handle grub with side-by-side 16.04 and 18.04 installs

I am currently running 16.04, and am going to additionally install 18.04 side-by-side in separate partitions. I also have Windows on this machine in another partition. I'm using UEFI boot. How is ...
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Install Redis-Server on Ubuntu 16.04 LTS minimal

I have got a question and hope that somebody can help me. I own a vServer on a OpenVZ basis (I hate the kernel limitation) and can't install Redis. What do I do: Clean install Ubuntu 16.04. LTS ...
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Kernels not upgraded when going to 18.04.01 LTS

Just performed do-release-upgrade today on my headless server to go from release 16 to release 18.04.1 LTS. Seemed to go OK, but did get an error about kernels 4.4.0-135,137,138,139 being unsigned, ...
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48 views

After installation, the file system change from ext4 to ext3

Install 16.04 Desktop Laptop I installed 16.04 with default setup and it was ext4 file system in another computer. How to fix it?
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How to know if something is missing from install? [duplicate]

When I was installing my Ubuntu 16.04, I didn't have enough disk space for it to install completely, so the installer installed only critical packages. Since then, I have extended the disk space and ...
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How to encode / convert a complete folder using ffmpeg?

I have 20 music videos in one folder and I want to change the quality from 1080p to 720p with ffmpeg, because I'm tired of having to convert every single file. So I want to ask for a solution how to ...
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sudo apt-get update gets Universe, but cannot find any files in it [duplicate]

I've gone through the duplicates here and I cannot find how to fix this problem; basically none of the core repositories update, but third-party ones do, on the whole. For instance, I want to install ...
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Ubuntu Mate 16.04 After running the updates the system would not log in except in recovery mode

I have a HP Omen laptop running Ubuntu Mate 16.04 After running the updates the system would not log in except in recovery mode from which neither the keyboard brightness control nor suspend would ...
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1answer
32 views

sudo apt-get install not working to install plank and another applications

here i want to install plank (ppa:docky-core/stable), but when i tried sudo apt-get install plank it's didn't working also i tried install another application still didn't working and there's show ...
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1answer
51 views

Thunderbird 60.2.1 doesn't notify with new email?

I want thunderbird 60.2.1 to show email notifications even my thunderbird client is not active (running in background). It only works when I open the client. But It doesn't give notifications in ...
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Customized kernel is modified automatically

I modified the ubuntu 16.04 kernel, changing MAX_ORDER from 11 to 15, and build the kernel. Because I want to allocate bigger cma buffers. After installing the kernel in Ubuntu 16.04, I found the ...
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The system is running in low -graphics mode

I got this message that the system is running in low graphics mode. So I did the necessary to try and install the NVidia drivers. I tried booting in recovery mode and use failsafe x. Then I run: ...
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298 views

Error when trying to sudo apt-get upgrade

Hi everyone im getting this error when trying to to apt-upgrade and its stopping the whole process... does anyone know what to do here? You might want to run 'apt-get -f install' to correct these. ...
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How to limit clipboard size in ubuntu 16.04?

I am trying to limit clipboard size to 100 kb of remote system, to disallow users from copy and pasting large from remote system to their locals. How can I do that on remote system?
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After upgrading from Ubuntu 16.04 to 18.04 internet no longer connects

After upgrading from Ubuntu 16.04LTS to Ubuntu 18.04LTS the computer no longer connects to the internet (the upgrading itself was performed through the wired network, no fails at all). After ...
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NVIDIA Persistence Daemon Fails, symlinks are delted

System: Ubuntu 16.04.5 LTS - Unity Desktop fresh install Dell XPS 9650 Intel 7700 HQ + Nvidia 1050 GTX mobile I'm trying to get Nvidia drivers (415) + Cuda + prime select to run on my work Notebook. ...
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AMD Radeon 520 graphics card installation [duplicate]

I am using Ubuntu 16.04 lts. How to install AMD Radeon 520 graphics card in it. Where to get the driver for it.
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190 views

Ubuntu 16.04 LTS : SSH signing failed: agent refused operation

I have always connected to a remote machine using SSH with a key also used for Git. Since yesterday, I can not connect because of this error message. sign_and_send_pubkey: signing failed: agent ...
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How to install the The Binding of Isaac Afterbirth plus?

Does anyone know how to install it, without downloading directly from Steam? I don't know how to install vcredist2015 to run TBOI. I tried using PlayOnLinux but it didn't work. Someone help please.
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How do I deal with a “Filesystem root” disk space notification?

When playing around with both Winetricks and Wine for the first time ever, I started getting this "Filesystem root" disk space warning. How do I deal with it?
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How to set shortcuts to screenshot on Ubuntu Mate 16.04 LTS?

In Ubuntu Mate version 16.04.5 LTS (Xenial) , I want to create a shortcut like Shift + PrtScr to screenshot, but I am not able to find where to do it. When I go to Preferences -> Keyboard and Mouse ->...
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How to migrate from ext2 to ext4 when my filesystem is encrypted (LUKS)?

The reason why I am posting this question is that Dropbox has notified me (via e-mail), that it will soon no longer support ext2 for its desktop client. I have a LUKS encrypted file system on top of ...
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Install windows with ubuntu

I have ubuntu 16.04, when I want to install windows with my ubuntu I use CD but when I click on windows cd from boot it's pass directly to ubuntu and run It. How I can fix that ?
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I paste a code in WSL but I get only part of it

I use Ubuntu 16.04 (xenial) via WSL. I copy this code #!/bin/bash read -p "Have you created db credentials already?" yn case $yn in [Yy]* ) break;; [Nn]* ) exit;; esac When I paste it in ...
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Lock in registry value

How can I lock in the registry value true for org.gtk.Settings.FileChooser.show-hidden? The value is automatically modified to false on specific actions. If I cannot lock in the value, how can I ...
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How can I maintain my local repository with old kernel

I want to maintain my local repo with old kernel since I have kernel restriction. I know this leave my security vulnerable but its a requirement. Please let me know how can I have my repo setup. ...
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1answer
98 views

Is it possible to run 16.04 and 18.04 side-by-side?

I'm currently on using 16.04 on my daily-driver host. I am contemplating an upgrade to 18.04, but don't want to take the leap without test-driving 18.04 for a bit. So my question is: Can I run 16.04 ...
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Setting IP address if DHCP server fails at bootup

Is there a way to set default eth0 setup in linux. I know I can give it a default static IP at boot up with sudo ip route add default via 10.0.0.1 dev eth0. Is there a way to change it to DHCP at ...
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Problems opening ubuntu atfer updating to 18.04

I updated Ubuntu to 18.04 because i had Ubuntu 16.04 and on my Chromebook terminal and it would boot just fine. Now when i type this command sudo startunity it would try to start up but gives a black ...
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Screen flickering with dual screen. Ubuntu 16.04 & Intel HD Graphics 520

I looked the already existing questions but couldn't find a working solution, sorry if I overlooked something. When I plug another screen to my dell laptop, more often than not, one of the screen ...
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Cannot instal h5py

I have Ubuntu 16.04.5 and trying to install Keras. I need h5py to this, but I have a problem with installing it. When I type: sudo pip install h5py I got this: The directory '/home/nvidia/.cache/...
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ALT + TAB shows two lists [duplicate]

Why there are two lists stacked onto each other when I'm using ALT + TAB? This problem was on Ubuntu 16.04 and still persists after upgrade to 18.04? Sorry for poor quality, had to take the photo ...
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1answer
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ubuntu 16.04 PXE installation

Can I install Ubuntu OS 16.04 using PXEboot without upgrading the packages and kernel? When I am installing new OS the kernel is getting upgraded to latest version. I need to install the server with ...
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How to properly speed up 16.04 LTS GUI on computer with ATI ES1000 card?

I have recently purchased an older server computer and installed Ubuntu 16.04 LTS on it. I am experiencing some delay in Unity, I believe due to my graphics card being weak, and wondered what the ...
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Can't Install Ubuntu 14.04.5, 16.04.5 or 18.04.1 on AMD A10 APU with Virtualbox

I am having some difficulty installing Ubuntu using Virtualbox on a Windows 7 host that has an AMD A10 APU. The specific APU is the A10-7860K. The VM starts, gives me the Ubuntu loading screen with ...
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3answers
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Why can I not su to root?

I used sudo passwd root to set root's password successfully, then I tried to su to root, but it failed with no response. ubuntu@VM-44-117-ubuntu:~$ sudo su root ubuntu@VM-44-117-ubuntu:~$ You can ...
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Ubuntu 16.04 Lenovo graphic drivers

I am totaly new to Ubuntu (I've been using it for few months but I am still learning. They told me Linux has automatic drivers and you don't have to install them, so ok, but from time to time I find ...
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.xsession file to open chromium-browser only

My machine is an Ubuntu 16.04 Server running on a thin client. These machines are meant to act as an rdp connection to servers where employees will do other work What is the format of an .xsession ...
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use fingerprint login [duplicate]

I just got a Lenovo ideapad 520, which includes a fingerprint scanner. It works fine for Windows, but when using Fingerprint GUI it simply doesn't detect the device. So I'm assuming I need a driver ...
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16.04 - How do I put SanDisk Secure Access on my SanDisk flash drive?

It's easy on Windows, but how do I do it on Ubuntu https://kb.sandisk.com/app/answers/detail/a_id/2399/~/sandisk-secureaccess-3.0-support-information-and-download-page
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E: Type 'sudo' is not known on line 1 in source list /etc/apt/sources.list.d/yandex.list [duplicate]

sudo apt-get is not working at all on my Ubuntu 16.04. The software installer won't run no matter what client I'm trying to install. Ubuntu Software Center won't even open. Here is the output I get:...
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Cannot Install Packages using Pip (all of a sudden) [duplicate]

Ubuntu 16.04 All of a sudden I am getting an error when I try to install a py package via pip. I am more interested in HOW this was broken rather than the solution. Does it matter which directory ...
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Adapta 16.04 theme not building

I've been trying to install the Adapta theme for 16.04. There is no PPA install for it, so I need to build it from source code. I keep getting this error message when I run make: Error: unterminated ...
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vnstat chmod permissions

Ubuntu 16.04LTS, I just installed vnstat. Seems, it's not update statistic. What should be correct chmod permissions for all interfaces? jettay@ubuntu3:/var/lib/vnstat$ ll /var/lib | grep vnstat ...
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Editing Device Tree

I'm a noob when it comes to changing kernels and device trees. I have no idea on how to start. So far I've downloaded device-tree-compiler. I want to change a USB dr_mode to "peripheral". I want to ...
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1answer
117 views

Ubuntu 16.04 Completely broken python3 + dpkg + apt-get!

Maybe somebody can help me through this hell: It all began as I encountered this error: https://askubuntu.com/a/1034266/570817 and I tried to somehow remove the ppa:jonathonf/python-3.6 installation ...
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How can Ubuntu 16.04 LTS be set up with LUKS?

Dropbox recently stopped supporting ecryptfs which has been inconvenient to me, to put it lightly. I want to install 16.04 LTS (16.04 is required for our infrastructure; 18.04 is not an option yet) ...
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1answer
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Can't mount back OS disk partition (no /dev/sda)

I was trying to expand my Azure VM's OS disk and I've unmounted /dev/sda1 which is OS partition in order to do the steps mentioned here: https://docs.microsoft.com/en-us/azure/virtual-machines/linux/...