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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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Keyboard not working in Ubuntu but working fine in BIOS

I was using Ubuntu 16.04 and one day suddenly the keyboard stopped working. But the keyboard is working fine in BIOS. But it doesn't work once the system is booted into the OS. I tried installing all ...
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How to set Rsyslog specific IP based logs permission?

I have added the template dynamic file to create syslog based on client IP address in the following file /etc/rsyslog.conf $template DynaFile,"/var/log/%FROMHOST-IP%/%syslogfacility-text%.log" *.* -?...
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1answer
42 views

copy file from folder in user abc to a root folder [closed]

As user abc, I had wanted to install a "systemrescuecd.iso" on a USB stick. I had made a temporary folder "/tmp/cdrom" (command: mkdir -p /tmp/cdrom). But the command: mount -o loop,exec /path/to/...
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10 views

Fresh install of Ubuntu 16 LTS behaving erratically

I installed Ubuntu 16.04 LTS fresh on my Lenovo V130 laptop, and it has been giving me a lot of trouble. Had to fix the right click functionality, install a lot of packages, and what not! It takes a ...
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1answer
19 views

No text in message writing area on WeChat with Wine and Ubuntu 16.04

After solving the non-rendering Chinese fonts with regedit WeChat is mostly working. However, the message typing area does not display the text being typed. Observed behaviour: Typed text is being ...
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15 views

How to resolve this “sudo: /etc/sudoers.d is world writable”? [duplicate]

First of all, I am new to Ubuntu, I was doing something on the system and suddenly I saw in my computer tab all the folders icon have a lock symbol on it, I was trying to remove the lock icon from ...
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1answer
32 views

PC cooling fan fire-up on shutdown

This is my first post on here wouhou ! So let me introduce myself: I'm not a total ubuntu newbie but I'm still relatively new to this, so sorry if I'm not that good at describing the problem I'm ...
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1answer
36 views

Update woes: libstdc++6

I cannot seem to be able to update libstdc++6. I suspect some PPA installed it and now I cannot get ride of it. Any help? ; sudo apt upgrade gcc g++ cpp build-essential ...
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16 views

My Microphone is not making sound anymore on Ubuntu 16.04

Neither my built-in mic or my USB mic are working now. I have enabled them in all browsers (Firefox, Chrome, Vivaldi), have made sure volume on pavucontrol and alsamixer are to the max, have made sure ...
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0answers
21 views

How can I safely downgrade from 18.04 to 16.04 [duplicate]

A couple of days ago I upgraded my netbook from 16.04 to 18.04. Is there a safe way to return to 16.04? My system is the following: Memory: 3.8GB Processor: Intel® Celeron(R) CPU N3060 @ 1.60GHz × 2 ...
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29 views

Superblock errors after 2 new installs

I have a 2 yr old Samsung SSD 850 Pro 128GB drive. With a fresh format, I installed Xenial on it a couple of months ago. Once in a while I would get I/O errors with bad super block. So, I copied ...
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1answer
400 views

Stopping the default Operating System from Booting [duplicate]

I use Linux 16.04 and Windows 10 in Dual Boot mode. I have Grub customizer installed and reordered my boot list. But I want to stop the default operating system to boot after the initial 10 seconds ...
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10 views

Tiny toolbar GNU Radio Companion (GRC) on HiDPI 16.04

I have tried to find out how to increase the size of the toolbar with tiny icons in GNU Radio Companion (GRC, version 3.7.9.1-2ubuntu1), installed on Dell XPS 13, ubuntu 16.04, with hiDPI. I found ...
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20 views

ubuntu 16.04 NVIDIA C61 graphics problem [duplicate]

I am a beginner trying to use ubuntu 16.04 but keep having graphics problems. I have a NVIDIA C61 [GeForce 6150SE nForce 430] graphics card. My screen gets into a state that cannot be read. I've ...
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23 views

Is the SuperMicro X10SRL-F supported on Ubuntu 16.04 [duplicate]

I am in the process of trying to find the right motherboard for my Unifi NVR Server build. The software is tested to run on Ubuntu Server 16.04 so I need to make sure my board is fully supported for ...
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65 views

Going from Ubuntu willy 15.10 to xenial xerus failing [duplicate]

I wanted to install docker on my ubuntu 15.04 (vivid) but it seems not supported so I upgraded to 15.10 (willy) by using this sources.list: deb http://old-releases.ubuntu.com/ubuntu/ wily main ...
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apt-get update problem because dl.google.com

When I try to update packages with apt-get update I got this error Hit:1 http://archive.ubuntu.com/ubuntu bionic InRelease Get:2 http://archive.ubuntu....
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16 views

lspci -k | grep -A 2 -i “VGA” does not list Nvidia graphic card. Ubuntu goes to black screen after login for few minutes

lspci -k | grep -A 2 -i "VGA" should show both Intel and Nvidia graphic card but lists only intel. ubuntu-drivers devices though lists the nvidia 340 driver recommended. Tried all the solutions about ...
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22 views

Unable to locate package software-properties-common Ubuntu? [duplicate]

So I got Ubuntu server 16.04 and I can't install but I only got: Reading package lists... Done Building dependency tree... Done E: Unable to locate package software-properties-common I tried with ...
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19 views

Ubuntu 16.04 - Inconsistent Ethernet Adapter Activity

I'm experiencing odd network interface behavior in a clean install of Ubuntu 16.04. I never experience any connectivity problems on the Ubuntu box itself. I am always able to reach out to the other ...
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1answer
23 views

Is it good practice to remove my mac's hard drive before installing ubuntu?

I want to install Ubuntu on an external drive, but I dont want to risk damaging the contents of my mac hard drive, so I am planning on taking it out of the computer before installing. Is this good to ...
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19 views

Watchdog Bugs dont stop

watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [Migration: ...] I get a long List of processes like above during the Installation (USB, Ubuntu 16.4) and it doesnt stop. Is there a was to solve ...
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31 views

No sound after upgrade to 16.04.05 LTS on Dell Latitude E7270

Sound was working great on 14, but after upgrade to 16, there is not sound. aplay seems to find the sound card: $ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], ...
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1answer
18 views

Ubuntu 16.04.5 freeze after suspend | Black Screen

I recently switched back to ubuntu 16.04.5 from 18.04 due to bugs. And I felt it was the most stable version (no bugs). But a new problem occured in my laptop. Whenever my laptop suspends (long period ...
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21 views

Is there any way to make ubuntu use the interface name automatically from kernel during kickstart?

Ubuntu 16.04 automated installation gives error, which I suppose is due to different interface names given depending on the hardware. The kickstart configuration : # Network information network --...
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29 views

Problem updating VS Code in Ubuntu 16.04 LTS [duplicate]

I face this issue when updating my VS Code. I have posted what I obtain in my terminal after running sudo apt-get update and sudo apt-get install code below: [10:04:28] dyufenyuy@Synepsys-Yufenyuy:~$ ...
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1answer
77 views

What is the ubuntu 16.04 lts server default username & password?

When i installed dual boot ubuntu 16.04 lts server i did not entry any ubuntu server login & password when i opened ubuntu server it wants login & password.What is the ubuntu 16.04 lts ...
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1answer
44 views

Cannot loging because of ubuntu--vg-root: clean - Ubuntu 16.0.4 LTS

After a reboot I could not log back in via the GUI. I got the black screen with a flash of text saying: WARNING: Failed to connect to lvmetad. Falling back to device scanning. WARNING: Failed to ...
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2answers
44 views

Why do NTFS partitions have to be mounted separately on media folder?

On a dual boot system with Windows and Ubuntu 16.04, the NTFS partitions on disk are shown with their label names when viewed in Ubuntu. A user has to click on it in Nautilus to mount it. Why is ...
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1answer
24 views

Problem opening ports on Ubuntu 16.04

I am trying to open several ports on my computer running Ubuntu 16.04, which would allow me to run drone simulation software on it and connect to it a companion computer (Odroid). I have tried ...
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1answer
236 views

Failed to start Create Volatile Files and Directories

After last update there is become a problem: systemd-tmpfiles not starts (so there is no temp dirs and some services can't be started). But root folder "/" ownership is "root" user still, not "user". ...
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How can i install Canon Image Class MF235 all in one printer driver and scanner driver in Ubuntu 16.04? [duplicate]

I cannot install Canon Image Class MF235 printer in Ubuntu 16.04. I would appreciate a step by step procedure for installation.
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WiFi stopped working on Ubuntu version 16.04 LTS after suspend

my WiFi stopped working after I resumed my laptop from suspend. I browsed through the internet looking for a solution, but unfortunately nothing worked. sudo lshw -class network *-network UNCLAIMED ...
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0answers
23 views

Ubuntu 16.04 login loop, unity-panel-service-lockscreen fails

After installing several updates and restarting Ubuntu 16.04, I was greeted with a strange looking login screen. When I try to login the same screen temporarily disappears and then reappears. ~/....
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1answer
34 views

In moving from 16.04 to 18.04, how can this custom shortcut be made to work?

On Ubuntu 16.04 LTS, I have a custom shortcut set that features the following command: bash -c "xvkbd -text $(date "+%Y-%m-%dT%H%MZ" --utc) 2>/dev/null" On 16.04, this outputs "typed" text like "...
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1answer
63 views

How do I update Nodejs from 8.12.0 to 10.13 on Ubuntu 16.04?

I run these commands curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash - sudo apt-get install -y nodejs I end up with this error: # Installing the NodeSource Node.js 10.x repo... ## ...
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1answer
39 views

Text file does not open

Scanning via sudo date >> clam && clamscan -r -i --detect-pua --remove /home >> clam && date >> clam Returns a file that does not open Error message: ...
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3answers
429 views

systemd-tmpfiles won't start

After last update there is become a problem: systemd-tmpfiles not starts (so there is no temp dirs and some services can't be started). root@myserver:/# journalctl -b 0 -u systemd-tmpfiles-setup....
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1answer
32 views

libjpeg-turbo8-dev broken package dependencies (16.04)?

I am getting this error when I try to install libjpeg-turbo8-dev. I am fairly new to Linux and I do not know how to resolve this issue. This is the partial output when I run sudo apt install libjpeg-...
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0answers
9 views

apt-mirror Malformed checksum error

I am trying to mirror Ubuntu xenial repository by apt-mirror, but after running sudo apt-mirror, I get a Malformed checksum error. Any idea how to fix it? Downloading 1565 index files using 20 ...
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0answers
79 views

Ubuntu 16.04 CUDA 9.0 Installation Problem : The driver installation is unable to locate the kernel source.

I am trying to install CUDA 9.0 on Ubuntu 16.04 with Tesla P100. I am now using local runfile, but it always emmits error: Installing the NVIDIA display driver... The driver installation is unable ...
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0answers
27 views

How to turn off blinking wifi button - Ubuntu 16.04 - r8822be

the wifi button on my HP with Ubuntu 16.04 is always blinking when there is network activity, which is kind of annoying. There have been some solutions to the problem by setting the parameter ...
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1answer
24 views

Inspiron 3670 Install [duplicate]

I want to install 16.04 on a newly purchased 3670 with Intel I5-8400 processor. The installs listed for 64 bit are all AMD based. Which version of 16.04 should I use for the I5-8400?
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1answer
16 views

Connection works, iwconfig doesn't

I am trying to get information about my wlan0 connection from iwconfig. When I run iwconfig I get this: wlan0 no wireless extensions. When I run ifconfig I get wlan0 Link encap:Ethernet HWaddr ...
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9 views

scsi device delete hangs in ubuntu

i am performing disk delete on ubuntu using command below: echo 1 | sudo tee -a /sys/class/scsi_device/sd*/device/delete sometimes it passes, sometimes it hangs at this step Can someone point,what's ...
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0answers
17 views

Unable to install Airtel 4G LTE device (USB Dongle device) on Ubuntu 16.04(64 bits)

Recently I have installed Ubuntu 16.04 and trying to install Airtel 4G LTE device, but it's giving me following errors while installation Also shows no device at the end. But in files explorer, there ...
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1answer
44 views

iowait CPU usage excessively high

So ive been trying to diagnose an issue with my Ubuntu Server VM running super slow, I run Ubuntu Server 18.04LTS with docker installed, ive been using netdata to try and monitor system stats and its ...
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1answer
60 views

apt can't install `openssh-server` [duplicate]

I have a very nearly fresh 16.04 installation (only installed a couple of weeks ago). Today, when I try to $ sudo apt update $ sudo apt install openssh-server I'm greeted with The following NEW ...
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1answer
23 views

Ubuntu 16.04 had been working well for over a year. After a standard update, re-boot freezes on purple screen

Ubuntu 16.04 had been working well for over a year. Then, after a standard software update, as it was very slow I shut down and tried to re-boot. I was led first to the blank purple screen. ...
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1answer
34 views

Unable to install PHP particular version 7.0.4 on Ubuntu 16.04

I need to install php7.0.4 but not getting this version anywhere to install it. Is there any way to install it on Ubuntu 16.04