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1answer
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Does HDMI 5.1 surround sound work on Ubuntu 16.04?

I'm thinking about getting a new 5.1 speaker system to replace my old analog one which was rendered useless because it was getting too high volume too rapidly. I've got a proposal with a possible ...
0
votes
0answers
2 views

Kernel - mainline test vs. mainline build

What is the difference between those two? Recently there are no "mainline build"s, only "mainline tests"s: https://kernel.ubuntu.com/~kernel-ppa/mainline/ Is it OK to install test-...
0
votes
0answers
3 views

cvt (for later adding custom resolution with xrandr) not giving appropriate parameters

I am accessing a remote Ubuntu 18.04LTS server via TigerVNC. My client screen has 1366x768 resolution. The largest resolution among those available in my server is 1024x768, which wastes a lot of ...
2
votes
3answers
2k views

Adding VPN exception (allow protocol) to UFW firewall rules?

I'm having trouble at work in connecting to the work VPN while Firewall (UFW) is active. When i disable it "sudo ufw disable", there are no problems. When it's on, when trying to connect I receive ...
0
votes
0answers
2 views

No mouse or keyboard during install

I've tried installing Ubuntu, AV and Cinnamon. I get the same issue, as soon as the install is selected, my keyboard and mouse shut off and I can't continue the install. I tried installs from DVDs and ...
0
votes
0answers
2 views

How to disable Bluetooth power saving?

I've been using a Bluetooth keyboard with Ubuntu for years now. To begin with it was quite tricky to get it to pair, but for the last several releases it's been rock solid. After updating to 20.04 (...
10
votes
4answers
60k views

Ubuntu stuck asking to remove installation medium on Hyper V install

I'm trying to install 16.04 on a virtual machine on my Windows 10 laptop. Everything goes fine with the install with the only variance from defaults is the usage of third party video drivers. I ...
1
vote
2answers
710 views

Postfix SMTP mail server External smtp relay

How can I configure postfix smtp? External smtp relay Smtp authentication Email send rate limit Schedule emails
16
votes
2answers
17k views

How to switch to a TTY in Virtual Box VM? [duplicate]

I am running an Ubuntu 16.04 VM in VirtualBox 5.0.18 and I need to switch to TTY1, how can this be achieved? Is there a keyboard shortcut to achieve this in the guest session because doing the normal ...
22
votes
2answers
29k views

What is the difference between x86_64 amd64 and 64 bit?

I use a x86_64 bit Ubuntu, but whenever I try to do a live boot of any other 64 bit images like the GNOME 3.16 which was released yesterday, it does not work? Also some times when I try a virtual ...
38
votes
11answers
55k views

How do I enter the Euro symbol?

I have a US English keyboard. How do I enter a euro symbol in Ubuntu? I can't find the symbol in character map, and I don't really want to change keyboard layout just to type one symbol occasionally.
0
votes
0answers
4 views

Ubuntu 20.04 not booting after dev/sda6: clean,

Acer Spin 5 SP513-52N, dual-boot with Windows 10 I installed Ubuntu 20.04 yesterday, and it worked well, but after a restart today, there was a black screen and the following information: /dev/sda6: ...
0
votes
1answer
15 views

Screenshot w/highlighting feature wanted

There are two super nice features on my iPhone: ability to take a screenshot with a hardware button combo; ability to highlight it with a semitransparent brush; It enables me to take screenshots and ...
32
votes
5answers
96k views

How do I access localhost:8080 running on Ubuntu from Windows running in Virtualbox?

I have the IP address for Ubuntu machine, and I want to access the application running on localhost in Ubuntu from my virtual Windows box. Is there a way to do it? Typing the [inet address]:8080 doesn'...
0
votes
0answers
6 views

Problem with log into domain controller (openLdap)

I watched this tutorial in order to learn openLdap (i know, it's old tutorial but I don't found better video) https://www.youtube.com/watch?v=p857CNi60LM&t=327s. I done everything like him except ...
0
votes
1answer
182 views

All widgets look bad on Ubuntu 16, what is wrong?

Can any one help me with this? I don't even know what is wrong. If it's gnome or GTK or whatever... All widgets look like crap. I have Ubuntu 16 and it was working fine. I noticed it started to look ...
0
votes
1answer
31 views

Desktop Workspaces

after restarting the computer, Ubuntu does not remember which workspace I left program windows open on. Assuming I have programs in the system auto-start. best regards
1
vote
1answer
30 views

Is there a way to hide ubuntu dock and top bar using terminal?

I want a shortcut to hide the top bar and dock, so I thought the best way to do that would be to figure out a terminal command which does the same.So, can someone tell me the command to do so or ...
0
votes
0answers
18 views

I need the adminstrator password, which I forgot, to use my dell Latitude 2120

I forgot my password on my other laptop, a Dell Latitude 2120 (Intel Atom) and I cannot enter the Command string interpreter from startup. It starts okay and waits for the password, which I have ...
0
votes
0answers
9 views

How to write to Ext4 Root partition on Window 10?

Long story short, I modified the file /usr/share/gnome-shell/theme/Yaru/gnome-shell-theme, which was supposed to change the login screen wallpaper. But i don't know anything about css and now I can't ...
0
votes
1answer
17 views

AC600 wireless NIC will not turn on

I have a brand new Blueshadow AC600 wireless NIC amazon That came with a drivers disk that claimed Linux as an option. The driver installation succeeded but lsusb and ifconfig -a fail to show the ...
0
votes
1answer
13 views

Close Gome Files Window when unplugging USB-drive

Is there a way to close the Gnome Files Window automatically when unplugging a USB-drive? I am working on an embedded project upploading new software via STLINK. The STLINK has a neat feature of ...
16
votes
6answers
63k views

How to switch from libinput to synaptics in Ubuntu 18.04

There is a problem with my laptop — jumping cursor. I think the hardware is the source of the problem. Maybe toucpad is just very inaccurate when getting finger coordinates and touching events. On ...
0
votes
1answer
6 views

Ctrl-C interrupts process, but doesn't clear terminal line

When I press Ctrl-C, I receive interrupts for running processes (e.g., sleep 10, followed by Ctrl-C, will immediately terminate the running process). However, it doesn't clear the terminal line - in ...
0
votes
0answers
7 views

Adding shared folder to onedrive through terminal

I have installed onedrive on my ubuntu 20.04 machine. Its running in monitor mode, syncing is working fine. I would like to add a shared folder (onedrive folder that somebody else shared with me). on ...
11
votes
3answers
12k views

sudo apt-get upgrade results in 404 errors for everything

I'm running Ubuntu 18.04.1 LTS and I'm trying to update things on my system. I've tried running: sudo apt-get update Which produces a few 404 errors: sudo apt-get update Ign:1 http://dl.google.com/...
1
vote
4answers
4k views

Python GTK 3 IDE

Is there any available IDE for Python GTK 3, i.e. An IDE which give the programmer an auto complete feature with method Description etc.?
32
votes
4answers
78k views

What does rm -rf do?

What does rm -rf do when used to remove files or directories? How do the -r and -f options work together?
0
votes
4answers
4k views

Spotify not in launcher and shows as question mark in dock

I installed Spotify (v. 1.0.70.399.g5ffabd56-26) from the Ubuntu Software app (Ubuntu 16.04 LTS). The app itself works fine, but isn't found by the launcher: I can start the app by typing spotify at ...
0
votes
1answer
3k views

Starting Hadoop file system with `start-dfs.sh` permission denied

I try to install hbase one a standalone node but I have some issue to launch Hadoop file system with start-dfs.sh : mike@mike-thinks:/usr/local/hadoop/sbin$ ./start-dfs.sh Incorrect configuration: ...
1
vote
0answers
14 views

Build failure in Launchpad for a package written in Rust

I am trying to build popsicle in Launchpad (I cloned the repository from GitHub, and am trying to build it using this package recipe), and it fails to build. Here is the relevant part of the buildlog ...
22
votes
7answers
19k views

Antivirus for Ubuntu 18.04

I have upgraded into Ubuntu 18.04.2 LTS. I have worked primarily with Windows and secondarily with Ubuntu (14.04 and 16.04). I will work with Ubuntu 18.04 as my main Operational System (distribution). ...
0
votes
1answer
17 views

My PC gets laggy and monitor crashes on Ubuntu 20.04

I am using Ubuntu as my only OS. I've deleted Windows 10 and started using Ubuntu 20.04 recently. However, I experience a problem that has never occured in my previous OS. What happens is basicaly, ...
0
votes
0answers
37 views

R installation errors on Ubuntu 18.04

I tried installing R v4.0 on my Ubuntu 18.04, however I was not able to do that. Now I am not even able to install my previous R3 version too. Here are the errors I received: r-base : Depends: r-...
0
votes
0answers
14 views

I updated to ubuntu 20.04 and now I can't type spaces in fish terminal

I just updated to ubuntu 20.04 and I use the fish terminal instead of bash. Now when I use fish I can't type a space anymore. Normally, on 19.10, I would type the start of a command and then space to ...
0
votes
1answer
211 views

Systemd unit fails to run a bash script which otherwise works

I have the following script: #!/bin/bash echo "Merging pool..."; if !(mergerfs -o minfreespace=4G,defaults,allow_other,category.create=ff /media/pool/hdd1:/media/pool/hdd2:/media/pool/hdd4:/media/...
0
votes
1answer
11 views

Booting fault on Thnkpad T495 Ubuntu 20.04

When I switch on My Thinkpad T495 Ubuntu 20.04 it displays the Lenovo screen and then displays the Ubuntu screen with the spinning circle. When it boots it displays the login screen, however sometime ...
1
vote
1answer
176 views

Display mode keeps changing in Ubuntu 19.04 and other versions

I'm using an additional screen alongside a laptop in my everyday work. The problem is, ever since I switched from Windows 10 to Linux, whenever I turn on PyCharm (CE) Display Mode is being switched [...
3
votes
4answers
13k views

I have a Samsung portable SSD and can't open

My laptop right now runs Ubuntu Kylin, and has no Windows on it after accidentally wiping it when I updated the Ubuntu version. I'm trying to access a SSD from Samsung that used to work fine with ...
0
votes
0answers
16 views

I'm accessing my phpmyadmin from two different url

I'm using Ubuntu 18.04. I recently purge and install again a LAMP and Phpmyadmin. I edited etc/Phpmyadmin/apache2.conf and commented Alias /Phpmyadmin .. to to secure my phpmyadmin but i'm still ...
1
vote
0answers
433 views

Ubuntu 20.04 on a new Lenovo IdeaPad Flex 5 is not detecting my second monitor through HDMI

As the title states I recently purchased an 81X2 IdeaPad Flex 5 14ARE05 with an AMD Ryzen 7 4700U with Radeon Graphics (8) @ 2.000GHz for the CPU and an AMD ATI 04:00.0 Renoir for the GPU. I installed ...
0
votes
3answers
251 views

Slack unable to start - Bad RIP value

Slack would not start all of a sudden. Slack was installed using Snap. dmesg: [63983.140086] ThreadPoolForeg[58617]: segfault at 34d0 ip 00000000000034d0 sp 00007fdb3e23ce08 error 14 [63983.140096] ...
2
votes
2answers
206 views

I uninstalled Ariya in Kubuntu, how do I install it again?

I have installed Kubuntu 12.04 LTS. By mistake, I removed default login screen (Ariya). It is now showing this message: Cannot login /user/shared/kde4/apps/kdm/themes/ariya Now I am not able to ...
1
vote
2answers
2k views

Ubuntu Unity 16.10 'sudo: no tty present and no askpass program specified'

I made a script to set/unset the proxy setting for when I switch between work and home. The script works perfectly and now I wanna run it every time automatically when I login so I put it in my ....
1
vote
1answer
1k views

How to setup Adhoc between Kubuntu 12.10 to Ubuntu 12.04

So I'm in a temporary situation. If I get the answer later, I still would like to know the answer. I have 2 laptops, laptop 1 is and old pentium m running Ubuntu 12.04 (The last supported OS for it.) ...
6
votes
3answers
17k views

How do you hotplug-enable new CPU and RAM in a virtual machine?

I am running Ubuntu in a virtual machine and I'd like to add CPU and RAM without rebooting the device. How can I hotplug this new virtual hardware?
3
votes
2answers
312 views

How can AWK be used to list Docker containers?

I'm looking to use tools along the lines of: grep sed AWK to work with Docker. Listing containers: docker container ls | awk '{print $1}' Results: CONTAINER 490e3d669259 a44230a617e1 How can I ...
0
votes
1answer
24 views

Difficulty with updating ClamAV

As it says in the title, I am struggling to update ClamAV and I have traced the problem to the timeout settings in the freshclam.conf file. The timeout settings are at 30 seconds by default... except ...
-1
votes
2answers
18 views

how to list all docker containers which have been pulled in?

Is there more than one way to show "possible" docker container images, that is docker containers which have been downloaded through the pull command as: docker ps -a lists jetty twice: ...
-1
votes
1answer
28 views

Is there a some editor tool to display literal `\n` as newline?

In python console: print('xx\nyy') xx yy In bash console: echo -e 'xx\nyy' xx yy In mysql console: create database mytest; use mytest; CREATE TABLE sample(content VARCHAR(250)); insert into sample(...

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