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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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Wrong Install Ubuntu 16.04 single-boot Mac

Some days ago I cleaned my SSD and installed Ubuntu to single-boot in it. To do it I plugged the USB driver in my Macbook Pro5,5 and while installing Ubuntu I clicked on Erase disk and install Ubuntu. ...
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How to set mongod as a service on my server? Why is error 127 appearing?

I am trying to setup mongodb as a service. service mongod status mongod.service - High-performance, schema-free document-oriented database Loaded: loaded (/etc/systemd/system/mongod.service; ...
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25 views

Discord suddenly very slow

I updated some programs yesterday, and Discord is suddenly very slow and stuttering. It is only that program, nothing else is affected. The size of the window is a factor as well, if I resize it to be ...
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1answer
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Pin Ubuntu major LTS version but allow minor upgrade?

Does anyone know how I can pin my Ubuntu to accept only minor version upgrade (e.g. 16.04.x)? If I set in Software & Updates, notify me of a new Ubuntu version to "For long-term support version", ...
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How can I view the source code of the actual package version online?

I was trying to find online source code repository for BleachBit package for Ubuntu 16.04 LTS. So I started by visiting search on https://packages.ubuntu.com and found the source package. Clicking ...
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Swap hardrives of window and ubuntu systems

I have two laptops. Lenovo T430S (Installed Ubuntu 16.04) and HP EliteBook (Installed Windows 10) with same specs. Both are Core I5 8 GB RAM 256 SSD I want to swap their Hard-drives so that I ...
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Can't connect Macbook Pro5,5 Ethernet Ubuntu 16.04

I have installed single-boot Ubuntu 16.04 (64-bit PC (AMD64) desktop image) in my Macbook Pro 13' mid 2009 (5.5) but I don't have Ethernet connection when connecting directly to the router (WIFI does ...
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Unable to install libcurl4 [duplicate]

I am trying to install libcurl4 which is required to install HeaSoft package. However it seems not to locate the package and gives the following error: $ sudo apt-get install libcurl4 -y Reading ...
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56 views

Cant' use ubuntu and linux on my laptop [on hold]

i'm desperate because i can't ever more use linux distro on my laptop, model : ASUS x556UJ last summer i use xubuntu 16.04 with no problem. But now i try the following distro : Ubuntu 18.04 Ubuntu ...
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1answer
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libcrypto.so.1.1 not found on Ubuntu 14.04

I don't have the library, libcrypto.so.1.1 on my Ubuntu machine. I checked on both, Ubuntu 14.04 and Ubuntu 16.04. My openSSL version details are: $ openssl version OpenSSL 1.0.1f 6 Jan 2014 I ...
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Unable to open pdf file using evince. error while loading libraries: libexpat.so.1

I am unable to open pdf file using evince on Ubuntu 16.04. I get the following error: evince: error while loading shared libraries: libexpat.so.1: failed to map segment from shared object I have ...
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1answer
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certbot version updgrade not implemented

I want to update certbot to cope with following topic: How to stop using TLS-SNI-01 with Certbot Before updgrade: certbot --version returns: certbot 0.26.1 As instructed in How to stop using TLS-...
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1answer
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How to fix fdisk -u an already existing LVM drive (I broke my LVM)

It's late and in my infinite wisdom I accidentally entered a command into the wrong SSH session and nuked one of my servers. Before the nuke root@host ~ # fdisk -l Disk /dev/nvme0n1: 953.9 GiB, ...
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OpenCV doesn't works properly

I have a working I have a file that uses OpenCV 4, which works completely on MacOS. On the server, I have Ubunt 16.04.5 x64 and the exact same version of opencv-python 4, Pillow and numpy. But when I ...
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16.04 - random Temporary failure in name resolution

So I got new laptop with Ubuntu 16.04 preinstalled. After logging in, I just ran all suggested updates. Everything was running fine, but I noticed that sometimes when I need to access some remote ...
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Ubuntu 16.04: Failed to start Light Display Manager

I am running Ubuntu 16.04 on VirtualBox 6.0. The hosting system is Windows 10. Before everything started to fail, I've had installed VirtualBox 5.2.2. After that, there appeared a dialog inside of ...
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vmwgfx error in kernel log on Ubuntu 16.04

This is my kernel log. Near end you see: [ 24.927057] WARNING: CPU: 0 PID: 376 at /build/linux-bKdGSR/linux-4.4.0/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c:301 I found it when I investigated my ...
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How to install gcj on Ubuntu 16.04

I received the following results of sudo apt-get install gcj in Ubuntu 16.04. $ sudo apt-get install gcj Reading package lists... Done Building dependency tree Reading state information... ...
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SSH failed to start - Missing privilege separation directory: /var/run/sshd [duplicate]

I have a VPS running Ubuntu 16.04.5 that's been going for a number of years now with little issue. Today, however, I found I was unable to access the server using SSH, receiving 'connection refused' ...
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Microphone not showing up in Audacity

The mic is visible in "PulseAudio volume control". It is not muted and volume is at 100%. I can see it picks sounds. It is also visible in arecord: $ arecord -l | tail -n 3 card 3: Microphone [Trust ...
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How to implement WebKitWebFrame(Webkit1 Class) in Webkit2

WebKitWebFrame is a class in webkit1. But as webkit1 support is removed we have to use webkit2. But in webkit2 there is no class called WebKitWebFrame. Kindly help how to implement the same feature ...
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35 views

encrypted drive cloning - cryptsetup resize error problem

I'm trying to clone my SDD to a larger device so I will have a bootable backup in anticipation of doing a system upgrade on several desktop clients. I also want to model a known-correct procedure to ...
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1answer
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BACK UP using rsync Ubuntu server 16.04 Overall

well, i'm very new to Ubuntu/Linux fields and environment though i knew a little bit knowledge to it. Anyway, my concern is that will it possible that I can Back Up all the data on our Ubuntu server ...
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1answer
23 views

Set up secure DNS (over TLS or HTTPS) on 16.04

How do I set up Secure DNS (eg over TLS or HTTPS) on 16.04? I would prefer to use functionality built into 16.04 or apps available on the 16.04 repository. I plan to use either the Google Public DNS (...
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Ubuntu domain account how to migrate user home directory

Ubuntu domain account how to migrate user home directory,The domain account does not appear in the passwd file,Domain accounts are not displayed using gnome-system-tools. Can someone give me some ...
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1answer
46 views

Upgrade RAM from 20GB (1x 4GB, 1x 16GB) to 32GB (2x 16GB)

I'm currently using Ubuntu 16.04. When I'm processing large datasets, I sometimes run out of memory. Therefore, I want to upgrade RAM from 20GB (1x 4GB, 1x 16GB) to 32GB (2x 16GB), can I just swap ...
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26 views

What is the right way to install drivers on Ubuntu 16.04? [duplicate]

In Pilot6's answer in Can't login after Nvidia driver install v 14.04, I believe he states that installing drivers from Nvidia's downloaded .run file is the wrong way to go. What is the correct ...
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Avoid open many xterm on desktop startup with LXDE (Ubuntu 16.04)

I have wrote this .desktop file [Desktop Entry] Encoding=UTF-8 Name=Terminal autostart Coment=Start terminal Exec=xterm -e python "/root/myscript.py" Looks "good" but when i restart my OS this code ...
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23 views

Netgear A6210 - Wifi stops working when computer is restarted

I was having issues installing the drivers for the Netgear A6210 wifi adapter, but then I found this and it worked! git clone -b port-to-4.15 https://github.com/kaduke/Netgear-A6210.git cd Netgear-...
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USB type-c to DVI

Does this: https://plugable.com/products/usbc-dvi/ Works with Ubuntu 16.04? The web site says "Compatible with Windows, Mac, and Linux" but does not mention the versions.
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no network after updates

I just done updates via terminal sudo apt update and sudo apt upgrade and sudo apt dist-upgrade then the clean up sudo apt autoclean then sudo apt autoremove. It gave me an error saying wcid had ...
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1answer
33 views

Unzip command equivalent to “extract here”

I have a.zip file. I want to extract it so I have directory "a" consist of its content similar when I do right click on directory a then click "extract here". Is it possible to replicate that gui ...
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how to view protobuf created file contents

I am on Ubuntu 18.04. I have several protobuf files -- I would like to view their contents. How do I do that? I am also willing to view them on Windows if the Linux approach is too cumbersome -- ...
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1answer
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Error recompiling Unity: The X server was not able to run in time

I'm attempting to disable built-in multi-touch gestures in Unity in Ubuntu 16. Apparently, this requires editing Unity source code. I came across this post explaining how: https://askubuntu.com/a/...
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How to diagnose ping spike and packet loss?

I had a website which came under heavy attack but thanks to cloudflare it didn't do much. But now I'm starting to think my origin server ip is somehow exposed, I'm getting many ssh connections and ...
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Login loop with Unity7.log errors [duplicate]

I am stuck in a login loop on Ubuntu 16.04 and am looking at what might be the error which is unity7.log When I view the file I see !!! [Parent] [MessageChannel] Error: (msgtype=0x190084, name=...
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Problem booting into Ubuntu 18.04LTS

I have UBUNTU 16LTS installed in one disk and 17 on another and it was functioning perfectly. Recently I clean installed 18.04LTS on the disk with version 17 using a USB flash drive. Installation ...
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install HP color laserjet M281fdfw

I'm having problems getting a new HP Color Laserjet model M281fdw to install. This is to replace an HP Deskjet color printer which worked perfectly on Ubuntu 16.04 LTS with hplip version 3.16.3 I'm ...
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Error reading .xsession-errors

I am having trouble reading .xsession-errors I have tried ~/.xsession-errors and cat ~/.xsession-errors All result in permission denied I use Ubuntu 16.04 When I type this command in... namei -l ~...
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Upgrade 16.04 openvz to 18.04 but keep kernel to 2.6

Since OpenVZ cannot be upgraded from inside of the VM's client (which I only rent). Is it possible to upgrade to 18.04 LTS from 16.04.5 LTS? The problem lies on libc/locales This version of libc ...
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Docker CE installation issue: Invalid configuration of SYS_GID_MIN, GID_MIN, or SYS_GID_MAX

I run Ubuntu 16.04.5 LTS and I am trying to install Docker CE. I followed the official Docker CE installation instructions: curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add ...
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systemd-timesyncd service is running in idle and doesn't synchronize time

I'm trying to synchronize time on my Intel NUC that is running Ubuntu 16.04.3 LTS with an NTP server that is running on a Windows PC. I already checked that the NTP server is running correctly. It ...
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Xiaomi gaming laptop 16.04 quick discharge

I've recently bought Xiaomi gaming laptop and installed Ubuntu 16.04 on it. After using it for some time I noticed that my laptop dies after 2-3 hours of using. I installed powertop and tlp so almost ...
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Unity crashes when I open LibreOffice document

When I open a LibreOffice document, the window "quivers" (gets slightly smaller and and then bigger repeatedly, top menu columns (file, etc.) jump from the top menu to window menu and back) and Unity ...
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Can't install DeepDive on Ubuntu 18.04

I was trying to install Deepdive on my school's server. When I run the installer (by running make install), it gave me this error: Makefile:93: recipe for target 'src/text2bin.o' failed make[1]: *** [...
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How to get possible CPUS in Ubuntu 14.04 or 16.04

I have a process which is pinned on core 1. I have written the below function to get the affinity. count_cpu_cores() { long int n_cores; n_cores = sysconf(_SC_NPROCESSORS_CONF); if (...
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install ubuntu 16.04 failed

I want to ask if there is an error when installing Ubuntu 16.04 in what CD do I do?enter image description here
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Ubuntu 16.04: Sub screen on Ubuntu after installation

I just installed ubuntu 16.04 and I'm getting this double/sub-screen, what is the reason for this? I tired playing with the setting but no luck. any guesses how to fix this?
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Unable to log in to Ubuntu 16.04, no permission to view xsession-errors

My Ubuntu is stuck in a login loop when trying to enter my desktop. When I login, the screen gets black and soon after that the login screen comes back. do not have permissions for cat ~/.xsession-...
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Ubuntu VM with no IP v4 connection, only IP v6

I have a fresh ubuntu 16.04 LTS VM installed on my cloud provider. I cannot get IP V4 connectivity but only IP V6. I can connect to my VM through secure shell and I can also reach it through its ...