Questions tagged [ubuntu-20.04]

Ubuntu 20.04 (Also codenamed Focal Fossa) is a Long Term Support (LTS) release which would be supported until 2025 by Canonical, it's manufacturer company. Questions on Ubuntu 20.04 are on-topic here, but you can also check out Ask Ubuntu (askubuntu.com).

Filter by
Sorted by
Tagged with
0
votes
0answers
32 views

Can't see the cursor after Windows 10

If I boot Ubuntu, I can see my cursor. If I boot Windows 10 on my machine, I can't see the cursor. How can I fix that? enter image description here Be aware that I use a stand mousepad with my laptop. ...
0
votes
0answers
25 views

How install php7.3 on virtualbox with ubuntu 20.04?

I have tried at all costs to install php 7.3, a version prior to 7.4, however it seems that the source that allowed to install has stopped working: sudo apt install software-properties-common sudo ...
0
votes
0answers
29 views

x11vnc virtual display window trailing

I'm using x11vnc on my ubuntu 20.04 to connect my tablet to my virtual display, which I created with xrandr as follows: xrandr --newmode "2000x1200_60.00" 201.50 2000 2136 2352 2704 1200 ...
0
votes
0answers
15 views

Formatted windows 10 original while installing ubuntu 20.04

I had windows 10 installed on my lenovo l340 .i tried to dual boot my laptop with ubuntu 20.04. but while dual booting it did an error by which linux took swap area from ssd where windows was ...
0
votes
0answers
21 views

Battery Percentage not increasing during plugged state, post ssd installation in Ubuntu 20.04.2

I have Ubuntu 20.04.2 LTS installed on my laptop HP Notebook - 15-da0077tx. Recently I installed Western Digital's WD Green SATA SSD M.2 2280,240GB on my laptop, but the battery percentage doesn't ...
0
votes
0answers
14 views

Open .exe with Wine, not Mono. Missing the “Wine Windows Program Loader”?

I just installed Wine and I have not idea what is Mono. I download a .exe file, for example notepad to give a try. When I right click on that file is see the option to "Open it Using Mono ...
1
vote
1answer
22 views

gnome-shell spamming on /var/log/syslog

Moved from https://stackoverflow.com/questions/66061925/gnome-shell-spamming-on-var-log-syslog because it was closed there without a solution; and it's also currently happening to me (I am running ...
0
votes
0answers
31 views

Laptop fans activating in sleep mode on Ubuntu 20.04

My laptop sleep mode does not work properly and is unusable because of the risk of it turning too hot when put back in its laptop case. When I left it unused for some time, or when I click on "...
0
votes
0answers
8 views

umount.crypt a volume ending in segmentation fault

I have a LUKS encrypted volume mounted at /media/user/MY DRIVE. It was mounted by mount.crypt. A few hours later, I was done using it, so I executed umount.crypt /media/user/MY DRIVE. As a result, it ...
1
vote
1answer
13 views

How to Access Special Keys ( Change Volume , Brightness , Lock , Sleep ) with a Keyboard that Doesnt have a Fn Key

I Dont Have Fn Key in my Keyboard and the New Multimedia Keyboard is Not Suitable for My Working . Is there any Way to Access the Speacial Keys Without Fn Keys in my Keyboard . I am using Ubuntu 20.04 ...
1
vote
0answers
20 views

duplicity - gnupg - no secret key - no passphrase given

I have a problem with duplicity and gpgnu. Environment (Software): Ubuntu 20.04 gpg (GnuPG) 2.2.19 (from package) libgcrypt 1.8.5 (installed from package) duplicity 0.8.18 (installed manually, since ...
0
votes
1answer
28 views

open in remote terminal showing wrong user

My VM: Ubuntu 20.04 VPN VM: Ubuntu 18.04 I'm accessing a vm via a vpn using another vm, i got in successfully and now i'm using the built-in Ubuntu file explorer to access the vpn vmfiles using sftp, ...
0
votes
0answers
11 views

Cannot execute xdg-open from gvim

I'm trying to open a PDF file from within gvim, but I cannot seem to execute xdg-open. Running :!xdg-open file.pdf doesn't yield any errors, but nothing happens. The same command runs fine in vim. ...
1
vote
0answers
28 views

Symlink still points to old version of AppImage

I have a script that autoupdates some AppImage applications and then it creates/updates a symlink with the new application (as they have a hash in their filename when they integrate, the previous ...
0
votes
1answer
35 views

How can I allow the screen to auto-lock when virtualbox is focused?

On my linux (ubuntu 20.04) workstation i usually have a virtualbox VM with windows 10 running, to get access to some work-related things. If I accidentally leave the virtualbox window focused it ...
0
votes
0answers
22 views

I logged in and saw two ip's on the same device (enp3s0). DHCP won't work well. How do I resolve this?

While ssh-logging in on a 20.0.4 ubuntu server using the hostname I saw this: IPv4 address for docker0: 172.17.0.1 IPv4 address for enp3s0: 10.0.0.10 IPv4 address for enp3s0: 10.0.0.14 IPv6 ...
2
votes
1answer
63 views

automatic yes's to linux update/upgrade

We create a digital ocean server running on Ubuntu 20.04.2 LTS (Focal Fossa) per user. Once every few months, this process gets stuck, as something in the update requires a Y or a Yes etc. We keep ...
1
vote
1answer
84 views

Ubuntu 20.04.2 LTS. Unable to fetch some archives

I'm trying to install this sudo apt-get install gitk git-gui But code gives this error: Err:1 http://az.archive.ubuntu.com/ubuntu focal/universe amd64 tcl amd64 8.6.9+1 403 Forbidden [IP: 94.20.20....
0
votes
0answers
33 views

Tightvnc on Ubuntu 20.04 doesn't start gnome-session

I have installed Ubuntu 20.04 and tightvncserver however, when I connect to the desktop, I see a grey desktop. I have tried some ideas to manually start gnome-session in the xstartup file, but wasn't ...
-3
votes
1answer
52 views

Open Ubuntu GUI's in windows 10 [duplicate]

I just started experimenting with Linux, and wsl2 seems like a great option to do so, and still keep Windows 10. I know for sure I can install programs (since I decided to test it with the Minecraft ...
0
votes
0answers
238 views

NoMachine : no space left on device

I downloaded Nomachine Ubuntu on my Macbook Air running Big Sur. it was working perfectly the past few weeks but today it decided to corrupt. I have uninstalled and reinstalled it, and it is still not ...
1
vote
2answers
63 views

Cannot install Ubuntu 20.04 on WSL2

I'm trying to install Ubuntu 20.04 on WSL but I keep getting WslRegisterDistribution failed with error: 0x80370102. Now I've seen other threads addressing this error before and the suggestion is to ...
0
votes
1answer
58 views

“FIFO queue full” and “Failed to update header with correct duration” with >1 Mux channel

I'm capturing video from Blackmagick Decklink Mini Recorder 4K capture card on Ubuntu 20.04 with ffmpeg 4.3 and I want to send it to several different servers to restream. The video signal is 1080 25p....
0
votes
0answers
74 views

Sources disagree on hashes for supposely identical version when trying to install CUDA 11.2 toolkit

I am new to GPU computing and I am trying to install CUDA on my linux 20.04 focal with kernel 5.4.0 workstation that is equipped with NVIDIA quadro p4000 GPU. I have followed the instructions in this ...
0
votes
0answers
98 views

Ubuntu 20.4 switch to multi version of php returns error 500 on phpmyadmin

I have installed multiple version of PHP 5.6, 7.2, 7.3 ,7.4 ,8.0 and 7.4 is the default, I tried to switch to different version for some projects running on older version, doing sudo update-...
0
votes
0answers
61 views

Wireless mouse semi-randomly disconnecting in Ubuntu 20.04 LTS

My wireless mouse semi-randomly disconnects when I don't want it to. It will disconnect for around a second before connecting again. I am running Ubuntu 20.04 LTS. Using the MX Ergo. The mouse was ...
0
votes
2answers
104 views

CUDA support for RTX 3080 (Laptop GeForce Notebook Products)

Does RTX 3080 for laptops already support CUDA and cuDNN for Deep learning requirements? I want to buy a new Razor Blade 15 with RTX 3080 and I don’t see currently any listing of this GPU on Nvidia ...
0
votes
0answers
37 views

Custom install with ZFS Root for Neon (newer Plasma w/20.04 base), SDDM not starting up

So following these instructions to install Ubuntu 20.04 onto ZFS Root, I got KDE Neon installed (neon-desktop virtual package). Everything seems good, except when I boot up there's no GUI login. I ...
0
votes
1answer
11 views

IPtables chain number persistence - how could I keep 1st rule on top?

Summary I'm trying to understand how to keep a rule on top of a chain in IPtables. I'd like to keep my custom chain (as a rule) on top of the INPUT chain, that is, as the first rule in the chain. ...
0
votes
0answers
13 views

Ubuntu 20.04 hotspot connection not resolving DNS for iPhone device

I have a wired connection on Ubuntu 20.04. I create a Hotspot connection. I believe NetworkManager automatically creates the following for my wireless interface: inet 10.42.0.1 netmask 255.255.255.0 ...
2
votes
0answers
103 views

Missing NVIDIA scripts and C files after kernel 5.8.0-45 update

I have just upgraded to Kernel version 5.8.0-45 in Ubuntu 20.04 LTS. However, this seems to have broken the NVIDIA drivers. I have isolated the problem to the linux-image-nvidia-5.8.0-45-generic ...
0
votes
0answers
12 views

How to increase the size of my ubuntu in dual boot having multiple hard drives

I currently have a dual boot with Ubuntu 20.04 and Windows 10, with an SSD (256GB) and HDD (1TB). My Ubuntu is solely installed on my SSD with an allocated space of 50GB that is now nearly fully ...
0
votes
0answers
20 views

ubuntu boot very slow after clonning from HDD to SSD using gparted partition clonning

I bought a new samsung evo 870 ssd and wanted to clone my existing ubuntu partition from HDD. After referring multiple articles I clonned it using gparted partition clonning and then the ubuntu boot ...
0
votes
0answers
44 views

Docker: Error while connecting to remote docker - “error during connect: Get http://docker/v1.24/images/json: malformed HTTP status code ”pid“ ”

My windows machine was recently upgraded to Windows 10 20H2 and I can't connect to the docker running on my Ubuntu machine (20.04) using both docker context or by setting the DOCKER_HOST anymore. I ...
1
vote
0answers
19 views

Send multiple ARP requests with different source MAC

Can I send a flood of ARP requests with multiple random source MAC addresses using Ubuntu 20.04 to a single destination IP address?
0
votes
0answers
17 views

Low disk space shows in Ubuntu inside VmWare

I have a vmware and inside that I have installed ubuntu 20.04. Initially I have assigned 180GB for the VM disk space. But inside my ubuntu OS, I am getting an error saying low disk space. I am pretty ...
0
votes
1answer
42 views

Why is Chrome not trusting imported, self-signed Root CA?

I receive in Chrome the error NET::ERR_CERT_AUTHORITY_INVALID even though I imported the company's Root CA into Chrome's trust store (via settings > certificates > authorities). I imported the ...
0
votes
0answers
13 views

How to find times of my attendance at office?

When I go to office, I turn my computer on or mostly resume it from stand-by and when going to return home turn it off or usually sleep it. During the day I sleep it too, mostly before going to ...
0
votes
0answers
108 views

how to run endlessh tarpit on startup in the background on ubuntu server?

I wanted to try this ssh tarpit and could start it on my server. My server is running Ubuntu 20.04. But I wanted to automate the execution of it when the server reboots. I tried a systemd service but ...
1
vote
0answers
13 views

SFTP with 2fa activated on Ubuntu Server 20.04 not working

I just enabled 2fa for ssh on my Ubuntu 20.04 server. I followed this tutorial https://ubuntu.com/tutorials/configure-ssh-2fa#3-configuring-authentication With this being clarified I am using libpam-...
1
vote
1answer
81 views

Control the charging of battery in Ubuntu

I am using a ASUS lap top of model: ASUS VivoBook 15 X510. I have dual booted it with Windows 10 Pro and Ubuntu 20.04. In 'ASUS laptops' there is a driver named: 'ASUS Battery Health Charging'. This ...
0
votes
0answers
191 views

Pop OS linux distro very slow in booting

I have installed Pop OS onto my machine completely replacing Windows 10. I am loving it so far. The only frustration I have about it is the boot time. While booting it stays on a black screen for a ...
2
votes
0answers
707 views

Ubuntu 20.04 LTS (Server)- tasksel: apt-get failed (100) while installing ubuntu-desktop

PROBLEM: On Ubuntu 20.04 LTS (Server), installing ubuntu-desktop through tasksel fails with error "tasksel: apt-get failed (100)". SOLUTION 1: Restore last good checkpoint. The simplest ...
0
votes
0answers
38 views

gmpy2 install with Python 3.9.2 on Ubuntu 20.04

I just upgraded to Python 3.9.2 but now I can't install gmpy2 on it. Has any one else done this and had any issues? Thanks for any help.
0
votes
1answer
33 views

How do I replace a certain line in /etc/passwd file?

So, I'm trying to make a script that disables the root account by changing the root:x:0:0:root:/root:/bin/bash with root:x:0:0:root:/root:/sbin/nologin. Is there a command that lets me do this? Thanks....
0
votes
0answers
14 views

Change tab switch hotkey on ubuntu 20.04

Ubuntu 20.04 with KDE. When using my laptops built in keyboard I can change tabs in all environments (terminal, browser, etc) with the hot key ctrl + fn + direction key where fn is a key between ctrl ...
0
votes
0answers
20 views

1GB of RAM not usable

I just installed another 1GB of RAM to my computer, boot to Ubuntu sucessfully, but it doesn't show the extra GB. So, I took a look into the BIOS, and it shows "Installed Memory: 5120MB" and ...
0
votes
0answers
10 views

how to enable minimum disk size config in preseed for ubuntu

I am looking for minimum disk size config in preseed for ubuntu, I am trying to solve a problem where installation should proceed only if the disk size is greater than or equal to 250gb
0
votes
0answers
33 views

Moving the menu bar to top bar ubuntu 20.10

OS: Ubuntu 20.10 Actually, is it possible to move the menu bar up in order to save useful space on the screen, and it will look much better. menu bar I tried this solution, but when I run then nothing ...
0
votes
0answers
17 views

Ubuntu 20.04, unable to SSH permanently disable dual IP addresses

I'm trying to remove a secondary IP. I've tried the following command: $ systemctl disable dhcpcd.service $ systemctl stop dhcpcd.service $ ip a d 192.99.84.51/24 dev eth0 IP configuration eth0: <...

1
2 3 4 5