Questions tagged [16.04]

Sixth LTS (Long Term Support) release of Ubuntu, code-named "Xenial Xerus". Released on 21st April, 2016. Reached End of Standard Support (ESM) on April 30, 2021. Questions specific to 16.04 are no longer supported here and are supposed to be closed as off-topic.

7,801 questions with no upvoted or accepted answers
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1answer
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How can I automatically hibernate cloud storage servers?

I have cloud storage data centers running Ubuntu 16.04 LTS and NextCloud/OwnCloud that have no need to be available 24/7 and need power management solutions. Servers are Dell PowerEdge 1950 Gen II and ...
16
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2answers
2k views

No HDMI video after suspend on Intel NUC6i7KYK

I have the latest Intel NUC, NUC6i7KYK (specs here), running close to stock Ubuntu 16.04. Its monitor is hooked up via HDMI. When it wakes up from suspend (S3), it never wakes up the display. The ...
14
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0answers
5k views

Gradle or Android Studio freezes Ubuntu

I've got a problem with my Android Studio/Gradle regularly freezing my entire system. What happens? I work on my Android Studio and at first, everything is ok. For approx 5 - 10 builds/deploys ...
14
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5answers
4k views

Problem with USB mouse in Ubuntu 16.04

Since I have Ubuntu 16.04 have not had any problems with the PS2 mouse, but a week ago I placed a new mouse USB. This mouse freezes randomly (Sometimes while I am using the PC and sometimes this ...
13
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1answer
10k views

rdesktop gives ERROR: Failed to open display:

I have a .bash_aliases file with several aliases which I use to connect to Windows machines. The aliases are set up like this: rdesktop -d domain -u username -p password -k fr-be -g 1920x1024 -T ...
13
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2answers
2k views

Can't use bluetooth audio device despite Pulseaudio modules loaded and device connected

I already spent hours and hours to get my bluetooth audio device running. System: Ubuntu 16.04 LTS Xenial, all updates installed, running on a Lenovo Y50 Notebook Device: Bluetooth receiver MR230, ...
12
votes
1answer
800 views

How to disable mouse interference with Alt+Tab?

I want to be able to use Alt+Tab or Alt+` to switch back to a previous window AND at the same time start moving the mouse to where I will be clicking, without it all switching to the wrong window just ...
12
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0answers
2k views

pam_mount often unable to mount and hangs for minutes

I have some centrally managed Ubuntu workstations that authenticate users against Active Directory and mount user home folders on logon with pam_mount. This usually works as expected, but sometimes ...
12
votes
1answer
958 views

Prevent pop up every time I plug in headphones in 16.04

Every time I plug in headphones, this pops onto my screen: I will never, for the rest of my life, use a headset. I have no interest in this option. Clicking Sound Settings does not provide the ...
11
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0answers
7k views

How to make fingerprint work on ASUS vivobook s15 S510UQ?

Maybe someone has posted this problem, but this is a more specific explanation. I just bought a new ASUS Vivobook s15 s510uq laptop. Of course, I installed Ubuntu on it. I have tried many tutorials ...
9
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0answers
3k views

Replace Gnome Terminal with Tilix in Nautilus

I want to use Tilix instead of Gnome Terminal because Gnome Terminal has so many bugs that bother me and that just don't get fixed. I already figured out that I can make Nautilus give me an option to ...
9
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1answer
1k views

How can I repair gnome-keyring to unlock my SSH keys automatically after login?

It looks like some recent package updates broke some functionality of gnome-keyring. When using SSH from the terminal it asks me for the password of my SSH private key. Previously the key was unlocked ...
8
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0answers
1k views

Can't access GitHub via Google Chrome?

I successfully run the command ping github.com. Output is like: PING github.com (192.30.253.112) 56(84) bytes of data. 64 bytes from lb-192-30-253-112-iad.github.com (192.30.253.112): icmp_seq=1 ttl=...
8
votes
2answers
5k views

How do I play DVDs in Ubuntu 16.04?

I need to watch a DVD for school, but when I try to watch it in VLC, I get this error: Playback failure: VLC cannot set the DVD's title. It possibly cannot decrypt the entire disc. Playback failure: ...
8
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0answers
5k views

vboxdrv does not exist. after kernel installation

I've installed kernel 4.12.0-041200rc4-generic, and since then when i open Virtual Box i get this root@machine:~# virtualbox WARNING: The character device /dev/vboxdrv does not exist. Please ...
8
votes
1answer
2k views

Cannot shutdown/suspend/restart on intel graphics Ubuntu 16.04

When using intel graphics: Whenever I close the laptop lid or restart / shutdown using GUI or terminal commands, it goes into a black screen with a single "_" at the top left corner, and hangs. Only ...
8
votes
0answers
2k views

Issues running Civ 6 through Nvidia Graphics card on Laptop - Ubuntu 16.04 Lts

Essentially Civ 6 is only giving me the option to run through integrated graphics. I have an Nvidia GeForce 750M graphics card and have properly downloaded the recommended driver (Nvidia-381). I also ...
8
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0answers
5k views

libGl, fbConfigs, swrast error in ubuntu 16.04

Recently installed Ubuntu 16.04 64-bit desktop. Graphics: Gallium 0.4 on AMD OLAND (DRM 2.43.0, LLVM 3.8.0) When I have seen other link where they provide solution for Ubuntu with Nvidia not sure ...
8
votes
0answers
782 views

Nautilus + Deja Dup: no menu item for “File -> Restore Missing Files…”

I'm trying to explore my files that have been backed-up with Duplicity/Deja Dup. My understanding is that the "File -> Restore Missing Files" menu item comes from the ubuntuone-client package (ref), ...
7
votes
2answers
168 views

Nautilus not starting promptly

Rarely but very annoyingly Nautilus will stop responding from the Launcher. I have experienced this on two very different machines: a rack server (dual SSD, RAID 1, 8 real threads) as well as a ...
7
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0answers
2k views

How to install Java9 with JavaFX?

I installed Java9 as described here. This works without any problems for any projects I tried without JavaFX. Unfortunately my company runs its UIs with JavaFX and those packages seem to be missing. ...
7
votes
0answers
1k views

Battery charge/discharge cycle

My battery behaves normally until its charge reaches down to 80%. After that, it begins a cycle of charging/discharging with 10s on each state. Here is some data: deimos@kami:~$ upower -i /org/...
7
votes
0answers
435 views

Popup keyboard for emoji characters

How can I get a popup virtual keyboard with emoji characters while typing in a text field? I'd prefer a solution where selecting characters inserts them directly into the text field (that is, ...
7
votes
3answers
3k views

Ubuntu 16.04/17.04/17.10 & CENTOS 6,7: screen flickering and random shutdowns (Lenovo Thinkpad T410)

I ask the same question a couple of weeks ago but the question was closed because it was related to Ubuntu 17.10 which is under development. However, I have the same (and worse) issues for the LTS 16....
7
votes
1answer
6k views

Unable to login on my machine with right password

Even though I entered the right password to my machine I'm unable to login. Issue I start my machine and for the first time I'm able to login with my password. Now I lock my machine or I suspend ...
7
votes
0answers
985 views

Ubuntu GNOME 16.04: Shortcuts and function keys stop working after a while - why is that?

I switched from Windows to Ubuntu GNOME 16.04 a little while ago and noticed that frequently, at some point during a session my OS keyboard shortcuts (like CTRL+ALT+T to open up the Terminal, or ...
7
votes
1answer
222 views

Right alt works as some kind of shortcut

I don't even know how to properly name this problem. So I use Polish keyboard layout meaning I use ALT GR fairly often to get special characters. It works normally but when I want to, say, search for ...
7
votes
1answer
3k views

A start job for dev-mapper-cryptswap.device is never ending

I again have problems with my swap. I using an encrypted swapfile. It worked until i rebooted my PC. When im trying to boot it is just showing this: I disabled my swap in the recovery mode for now. ...
7
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0answers
1k views

Ubuntu 16.04 ~/.xsessionrc run twice on startup

i'm quite new to Ubuntu/Linux and i'm trying to start a desktop application at launch with a script located in ~/.xsessionrc. The script works but for some reason ~/.xsessionrc runs twice on startup ...
7
votes
1answer
902 views

16.04, nautilus problems and no files on desktop

After last dist-upgrade my unity is work but I can't open folder (or start nautilus by term), and my desktop dosn't contain any file or folder, or accept click on it. This is the error on launch ...
7
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2answers
5k views

Bluetooth not working on a Lenovo ideapad 100-15iby (Wi-Fi unstable too)

I have made edits to this post and Wi-Fi works now, but I still have problems with Bluetooth, and is further explained below at "EDITS:" A verbose output of lsusb has been posted down below, please ...
7
votes
5answers
4k views

Firefox very slow to start

I have a new computer with Ubuntu 16.04 LTS installed. When launching firefox, I have to wait several minutes for the start page to appear. I just have this: Once I'm finally on the start page, the ...
7
votes
3answers
34k views

Can't find my DVD drive in Ubuntu 16.04

I guess you could say that I'm a slightly educated noob (I know, a little knowledge is a dangerous thing). My drive worked fine in Mint 17.3, but I am now running Lubuntu 16.04 and my DVD drive has ...
6
votes
1answer
900 views

Duplicate screen on Nvidia not working

I have an issue with multi-screen on my new computer with Ubuntu 16.04. My new computer is a Dell Inspiron 15 7000 Gaming. http://www.dell.com/fr/p/inspiron-15-7567-laptop/pd?oc=cn56705&model_id=...
6
votes
0answers
6k views

Bluetooth not connecting automatically

I was on Ubuntu 14.04 and everything was working perfectly. But decided to upgrade to 16.04. (what a mistake!) Now my headset does not connect to the machine anymore. It is kind of strange. It ...
6
votes
0answers
3k views

Bluetooth broken - not allowed to own the service “org.bluez” due to security policies in the configuration file

In the "Bluetooth" application, I can't enable Bluetooth. It is disabled and I can't move the switch. I've added rfkill unblock bluetooth to /etc/rc.local and restarted the computer. I've checked ...
6
votes
0answers
686 views

Menu text disappears on Ubuntu 16.04

I have a problem on ubuntu 16.04 : sometimes, when I exit my computer from sleep state, I lose all my menu texts. You can see it on screenshots: The only solution I found is to reboot my computer. ...
6
votes
3answers
3k views

Android Studio 2.2 frequently crashes on Ubuntu 16.04

I was using Android Studio on my Ubuntu 14.04 64bit. That worked fine. Recently I installed Ubuntu 16.04 64bit, and I also installed Android Studio 2.2 on my PC. But my Android Studio crashes ...
6
votes
1answer
2k views

2560x1440 resolution on 16.04 and ATI/AMD Radeon HD4670 card

I'm trying to setup two monitor configuration on my laptop with dual OS setup (ubuntu 16.04 and win7) connecting 27" Dell u2717d monitor via DisplayPort. I have single video adapter ATI/AMD Radeon ...
6
votes
1answer
7k views

Getting CUDA 8.0 to work on Ubuntu 16.04, NVIDIA driver issue

I've spent a couple of days on this and am at my wit's end as to how to move forward. I have an ASUS Zenbook UX303UB with Windows 10 and Ubuntu 16.04 Dual boot. It has an NVIDIA GeForce 940M ...
6
votes
1answer
2k views

Ubuntu 16:04: Launcher and top menu bar freezes after screen lock

Ubuntu novice here. :) So far very happy and pleased with Ubuntu, but have a strange issue. I have re-installed Ubuntu 16.04 from scratch two times now, but problem keeps recurring: When my ...
6
votes
0answers
2k views

How to debug Bluetooth speaker/headset connection?

I am using a JBL Flip 3 Bluetooth speaker. The device works very well with my smartphone. I can also use it with my Ubuntu 16.04 laptop. However, the connection procedure is quite annoying. After some ...
6
votes
1answer
2k views

Swap problems after upgrading from 14.04 to 16.06

After upgrading Ubuntu from 14.04 to 16.04 booting started to be very slow. It seems to be a problem with swap partitions. Bellow I attach some details. cat /var/log/boot.log [FAILED] Failed to ...
6
votes
0answers
1k views

Ubuntu web browser app crashes on execution

I'm using 16.04 and whenever I try to open Browser app, it crashes. I've tried uninstall/reinstall the app but the problem still remains. Here is the output when I run webbrowser-app via terminal: (...
6
votes
0answers
1k views

Could not switch the monitor configuration (CTR 63)

I've found quite some answers to that question, but none of the answers solved my problem. When I lock my PC and come back after a while, usually one of my three screens (2x TFT + Laptop) is black ...
6
votes
1answer
3k views

Ubuntu/Lubuntu 16.04 External Microphone (Headphone) Detected but not Working

Hello and thanks for visiting my question thread. My laptop is Asus X45A. I fresh installed Ubuntu 16.04 because I cant upgrade it from previous LTS. Then I installed another desktop environment ...
6
votes
3answers
2k views

Dell E6520 wont boot ubuntu unless plugged in on AC power

I've got a problem booting. Ubuntu 16.04 on my Dell E6520 laptop boots normally when plugged in. However, when booting on battery power it shuts down entirely. Sometimes it makes it as far as the ...
6
votes
2answers
11k views

MongoDB - Unit mongod.service can't found - Ubuntu 16.04

When I try to start MongoDB, I get this error: # mongo MongoDB shell version: 3.2.6 connecting to: test 2016-05-21T16:14:31.183+0300 W NETWORK [thread1] Failed to connect to 127.0.0.1:27017, ...
6
votes
2answers
5k views

Problem with timedatectl and network time synchronisation in 16.04

I have a dual-boot machine with Windows and Xubuntu 16.04. Because of Windows, the hardware clock is set to local time, so I had to use timedatectl to make Xubuntu aware of that after the upgrade to ...
6
votes
2answers
13k views

Ubuntu 16.04 flickering and disappearing screen

Running Skylake/Nvidia GTX 950 on a clean install. I'm no expert at all and I haven't got a clue what to do. I've tried various things but nothing works and the guides are often not clear enough for ...

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