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).
Questions tagged [ubuntu-20.04]
299 questions
156
votes
9 answers
How do I get back unused disk space from Ubuntu on WSL2?
I'm using Ubuntu 20.04 on WSL2 on Windows 10, and I noticed that after removing files on Ubuntu I was not getting the space back that was taken up by the removed files. For example: Before I deleted files on Ubuntu it showed on Windows explorer that…
Timothy Kodes
- 1,663
34
votes
11 answers
can't access 127.0.0.1:80 outside of WSL2 / Ubuntu 20.04
I'm running Ubuntu 20.04 on WSL2 / Hyper-V / Windows 10.
When I do curl http://127.0.0.1 inside Ubuntu I get this back:
301 Moved Permanently
301 Moved…
neubert
- 7,574
- 39
- 94
- 156
19
votes
1 answer
ubuntu 20.04 wired network setting is missing
I have Ubuntu 20.04 on VMWare. recently I cant connect to internet And I don't know why.
I tried sudo lshw -C network and the result was *-network DISABLED ... so I used sudo ip link set {logical name} up. after that network status changed to…
Mohsen35
- 671
13
votes
1 answer
How to enable sidebar on both monitors (in Ubuntu) on a dual monitor extended display?
I am extending my display on my Ubuntu but the sidebar appears only on my primary display. Is there a way to enable the side bar/side panel/dock panel on both the monitors?
Vipin Verma
- 292
11
votes
2 answers
parsing json in bash with pipe operators
I'm using the AWS CLI client to get the status of a snapshot but the output is in JSON. eg.
{
"DBClusterSnapshots": [
{
"AvailabilityZones": [
"us-east-2a",
"us-east-2b",
…
neubert
- 7,574
- 39
- 94
- 156
9
votes
2 answers
Where is dos2unix in Ubuntu 20.04?
I want to use dos2unix so I installed the tofrodos package, but it still says dos2unix: command not found.
So I ran:
apt-file update; apt-file search dos2unix
And it gives zero result.
Where is dos2unix in Ubuntu 20.04? Has it been replaced by an…
Nicolas Raoul
- 11,561
9
votes
5 answers
Ubuntu 18.04 to 20.04 - Unresolved issue occured while calculating upgrade
I'm trying to upgrade my Ubuntu distro from 18.04 LTS to 20.04 LTS and I get this error message while it's calculating data,
An unresolvable problem occurred while calculating the upgrade.
This was caused by:
Upgrading to a pre-release version of…
Cool Cookie
- 93
8
votes
2 answers
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 looking up new ways to deal with "automatically say…
Ethan Solomon
- 183
8
votes
3 answers
How can I reinstall Ubuntu focal 20.04 on an existing LUKS encrypted system?
I'm a very long time Ubuntu user (over a decade) but have not been here as I've had no issues with Ubuntu. With the arrival of Ubuntu 20.04 LTS I decided to encrypt my data (or system if needed). I'm looking for the following:
Method to reinstall…
LiCa
- 111
7
votes
3 answers
What is the difference from exfat-fuse and exfat-nofuse?
Until now I have never dwelled on the word fuse but then I saw that there is nofuse.
Based on searches I have done in the the internet they don't clearly explain the difference. What is the difference between fuse and nofuse?
For example, what does…
Mario Palumbo
- 259
7
votes
4 answers
All video players (including browsers) fail to play any videos until reboot on Ubuntu 20.04
After some uptime (quite randomly, it can happen after 2 days or an hour), videos on my computer start to freeze. There's no error messages, any video playback just stops like its on pause, though you can navigate through video frames via progress…
D_T
- 81
7
votes
0 answers
GRUB boot detection failed
I updated my image to ubuntu 20.04 from 16.04 and as a part of it upgraded grub to grub2. From the syslog, I am observing the following errors:
Oct 19 10:30:10 host-1 systemd[1]: Starting GRUB failed boot detection...
Oct 19 10:30:10 host-1…
7
votes
1 answer
Ubuntu 20.04 encryption
I chose to erase disk when installing Ubuntu 20.04. Then I chose "Use LVM with the new Ubuntu installation" and "Encrypt the new Ubuntu installation for security".
What type of encryption is used, and how secure is it? Is it full disk encryption?
user1196802
6
votes
1 answer
How to correctly set the subnet mask installing Linux Ubuntu 20.04 server? ERROR: '172.16.182.216' is not contained in '255.255.255.0/24'
I am not a system engineer or a network expert (I am more a software developer)
I am trying to install an Ubuntu Server using static IP address. I am using the information provided by a collegue.
These information are:
SERVER IP ADDRESS:…
AndreaNobili
- 7,381
6
votes
1 answer
Loading LTKs timed out for hci0
Because of Loading LTKs timed out for hci0 I cannot connect to bluetooth using
bluetoothctl command.
$ service bluetooth status
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor…
user1096880