Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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!

0
votes
1answer
34 views

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 ...
1
vote
0answers
49 views

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 ...
0
votes
1answer
29 views

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 ...
0
votes
0answers
32 views

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 ...
1
vote
3answers
53 views

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....
0
votes
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 ...
0
votes
0answers
27 views

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
0
votes
0answers
13 views

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 ...
0
votes
0answers
18 views

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) ...
0
votes
1answer
30 views

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. ...
-3
votes
0answers
36 views

installer python [closed]

bonjour, un problème sur l'installation de python enter image description here Y a-t-il une solution à ce problème?
0
votes
0answers
32 views

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 ...
0
votes
0answers
19 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?
0
votes
0answers
21 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. [...
0
votes
0answers
18 views

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 ...
0
votes
0answers
31 views

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 ...
0
votes
0answers
14 views

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 ...
0
votes
0answers
13 views

Ubuntu 16.04 freezes when Toshiba EHD is ejected

I have two 16.04 installations: one in a Lenovo Ideapad laptop and another in a MSI GP62 laptop. Starting maybe two weeks ago, I noticed that everytime I eject my Toshiba EHD, Ubuntu promptly freezes; ...
0
votes
1answer
42 views

No Chrome icon in system tray since update to 70

After update chrome-stable to latest version 70 there is no more Chrome icon in system tray on Ubuntu 16.04 and no convenient way to access installed Chrome Apps. Any ideas whether it is permanent ...
0
votes
0answers
14 views

Unknown data format Bad header data [duplicate]

I received the following error when I'm trying to update my packages. 'Unknown date format Bad header data' Any idea what it means?
1
vote
1answer
33 views

Terminal shows that my user is only a member of its group, but it is not true - how to fix?

I went to strange situation on my laptop (running Ubuntu 16.04.5 LTS). All terminals show that my sudo-able user is only a member of its group: $ whoami norbert $ groups norbert $ id uid=1000(...
0
votes
1answer
9 views

PHP Code Returning the same datetime every time on server with ubuntu

I set this at the start of the script : date_default_timezone_set('Europe/London'); $var = date('h:m:s', mktime()); echo $var; And it outputs this everytime, the only thing that changes is the ...
-1
votes
0answers
40 views

Upgrade from Ubuntu 16.04 to 18.04 is stuck [closed]

I'm trying to upgrade from 16.04 to 18.04 with the GUI tool. It's reached this state below and has been stuck there for hours. If I try restart, it warns me an application is restricting this action ...
1
vote
0answers
28 views

Please Help - Cannot use nvidia card in Hybrid System

Laptop: Lenovo Legion Y730 15' with Ubuntu 16.04 LTS (64-bit) Specifications: Processor: Intel® Core™ i7-8750H CPU @ 2.20GHz × 12 Graphics: Intel® HD Graphics (Coffeelake 3x8 GT2) Graphics: nVidia ...
-1
votes
0answers
36 views

Error in using the terminal ubuntu16.04 [closed]

1、Sorry,Ubuntu 16.04 has experienced an internal error 2、The application Terminal has closed unexpectedly
0
votes
1answer
30 views

Ubuntu 16.04. LTS unable to locate package postgresql-11

I am running into this issue where I am trying to install postgresql-ll and I followed the instructions given at https://wiki.postgresql.org/wiki/Apt. I have also read previous posts related to this ...
-1
votes
0answers
34 views

Ubuntu 16.04 fopen (…) failed with Python 3.5.2

I am trying to run a Python script which is accessing a file graph.xml of an application (The Open Racing Car Simulator, short TORCS) stored inside /home/username/.torcs/config. The file exists and ...
0
votes
0answers
15 views

16.04 - How do I map Ctrl+Z to my Wacom Bamboo Splash/Connect pen button, and pan/scroll to the other button?

It's quick and easy in Windows, but in Linux it only gives me the option to map commands to my tablet's button's (my tablet itself has no buttons, my pen has two), I need the pen buttons to do Ctrl+Z (...
0
votes
0answers
15 views

How do I check for login attempts made on phpMyAdmin

I was able to set up phpMyAdmin logs but I find myself working around a logic to get failed attempts from an IP. Am I missing something or this is the right way? Is there a way to set up "login failed"...
0
votes
0answers
14 views

Installed programes is not lising in software center ubuntu 16.04 LTS

I am trying to have an overall look of the programs installed on my computer, but the software center is not able to load them. I tried this solution sudo apt-get update && sudo apt-get ...
0
votes
0answers
13 views

Why does my USB drive doesn't appear on Ubuntu-VM on VirtualBox after installing the extension on Windows 10?

I've succesfully installed Ubuntu (16.04) on top of a VirtualBox (v: 5.2.22r) on top of these two seperate machines: MacBook - MacOS Mojave PC - Windows 10 In both machines, I'm able to see the USB ...
1
vote
2answers
43 views

Why is /var/log/auth.log.1 smaller than auth.log

I know there's a cronjob that rotates the auth.log files every set amount of time but I have noticed that the auth.log.1 is small compared to the actual auth.log. Doesn't auth.log get renamed to auth....
0
votes
1answer
11 views

Increase size of partition on live production server (VMWare - Ubuntu 16.04 headless)

I have come to a point with our production server that I am going to have to increase the size of the drive in the coming weeks. The problem is such that, this server really can't go down for an ...
0
votes
0answers
10 views

Ubuntu 16.04 install not detecting Hardisks on Lenovo SR550

I am also facing an issue with Ubuntu 16.04 installation. Ubuntu 16.04 install does not detect the Hardisks on Lenovo SR550. I have a new SR550 server with RAID 530-8i PCIe controller and 4 x 600 GB ...
0
votes
0answers
28 views

Wifi not showing on Ubuntu 16.04 LTS

I am aware this question had been asked and answered before here and here, but I tried their suggested solutions with no luck. The problem is as stated - wifi network list does not show up in the GUI,...
0
votes
1answer
39 views

Ubuntu 16.04, I need to increase swap space? [duplicate]

Ubuntu 16.04 16GB RAM. How can i increase swap memory in my case? And how many GB i have to add?
0
votes
0answers
8 views

Error while flashing code

I am using Ubuntu 16.04. I got the error while flashing code. [96906.597850] cdc_acm 1-1.3:1.0: ttyACM0: USB ACM device root@yash27-desktop:/home/yash27/Documents/Girish/YDS_Projects/WiSE_V10/...
0
votes
1answer
16 views

Every time I try to run a newly installed app from the Ubuntu Software app the icon blinks in the task bar for a while then disappears

I have had this problem with Spotify, Instagraph and a couple other apps. When I install an app from Ubuntu Software everything works as it should until I try to run the newly installed app. I click ...
0
votes
2answers
44 views

Terminal only shows > symbol when I enter this find command [duplicate]

I want to delete all .ppm and .png files under current directory. So after checking some web pages about the usage of "find" command on the Internet, I typed the command below: find . -type f \( -...
0
votes
0answers
6 views

Ubuntu 16.04 unlocking issues

When I lock Ubuntu 16.04, and don't unlock it for over 15 minutes, the password box dissapears and I have to reboot
0
votes
2answers
23 views

How can I launch any application using terminal?

I tried to launch some packages with terminal. If I type teamviewer in terminal in launches but most of the application didn't. Can anyone be able to help me out? Thanks.
1
vote
1answer
162 views

how to change root pass word in ubuntu 16.04 LTS on SAMSUNG Linux On Dex

I am trying to change root password in my Ubuntu . This is what I did: 1: installed linux on dex on google play 2: downloaded the ubuntu 16.04 LTS arm image 3: After starting the image in linux on ...
0
votes
0answers
40 views

Login problem after upgrading

After upgrading from 14.04 to 16.04, it is asking login details even without showing desktop login page.How to fix it?
2
votes
1answer
40 views

Customize gtkrc theme xfce-flat

I want to change color of the left sidebar Can anyone help me out?
0
votes
0answers
14 views

16.04 Hide mouse cursor without glitches

I'd seen suggestions for "Unclutter" to hide mouse cursor when idle. How to hide the mouse cursor This definitely works, however when you do want to use mouse cursor it sometimes gets extremely ...
0
votes
0answers
33 views

Full Ubuntu 16.04 install on USB flash drive super slow

I installed a full ubuntu on a flash drive. At the moment I have the problem that my full Ubuntu install on a fast flash drive (Cosair Voyager 128GB) is very slow. Before the 128GB one I used a 32GB ...
0
votes
1answer
71 views

Having “PAM adding faulty module: pam_winbind.so”, “… pam_kwallet5.so”, “… pam_kwallet.so” on start of smbd, ssh, cron daemons - why and how to fix?

I'm using Ubuntu 16.04.5 LTS. I tried to read my log files for errors. The most interesting are the following: cat /var/log/auth.log | egrep "unable|faulty" Nov 25 13:25:13 localhost su[4491]: PAM ...
0
votes
0answers
9 views

Trouble unlocking ubuntu 16.04

When I lock my laptop which has ubuntu 16.04, if left locked too long the password window disappears, and I am forced to reboot
0
votes
1answer
21 views

Shorten nmcli connection timeout from 120s to 10s, try a lower priority interface quicker

On Ubuntu 16.04 lts I am using nmcli to manage the network interfaces. I have connections like so. NAME UUID TYPE DEVICE link-local-0 da55e0dd-...
1
vote
1answer
19 views

selinux, grub-pc, sda: what to do?

I wanted to install selinux on Ubuntu 16.04. The system asked me to install grub-pc: Since I don't know which option I should select, I looked for similar issues on the web and I noticed I don't have ...