Latest Ubuntu related questions

Score: 0
Luctia avatar
Secondary monitor working, laptop screen black
ua flag

I've been using a dock for my laptop for some time now and it has always worked fine, but now my laptop screen stays black, with the secondary dock monitor working just fine. I have a dual boot with Windows and on there the screen works just fine. With nomodeset the laptop screen does turn on, but then the secondary monitor doesn't work.

I'm running Ubuntu 20.04 on the HP EliteBook 840 G5 3JX27EA. My la ...

Score: 0
Ignacio Más avatar
Weird NFS mount client behaviour
be flag

I'm trying to debug why I'm unable to mount an NFS share on a server from a linux client. After much testing around NFS server and being able to mount it locally in the same machine I've started trying to see if it is a networking problem and what I am seeing has me a bit baffled. There is no firewall running on the server and I have a bunch of other services (HTTP/S, DLNA, Mosquitto...) running flawles ...

Score: 0
StevenW avatar
Why aren't my themes showing up in Ubuntu 20.04 Tweaks?
ph flag

I recently installed Ubuntu 20.04.2 LTS. I have not upgraded from a previous LTS version, it's a completely fresh install.

I downloaded dconf and all its extensions, and in Tweaks, my user theme shells tab no longer has the triangle which tells you they are disabled and you are now able to select different shells.

In the past, when I had 18.04 LTS, I had to create a themes folder and add it to the home  ...

Score: 0
markus randa avatar
Monitoring data usage per destination ip address
bo flag

I have client which wants to know how much internet we are using with our virtual machine on their work site. I've looked into programs such as "vnstat" which is great for the total usage for one or more interfaces, but I need to know if the traffic is on the local network or internet. Since we are using a lot of local video streams, the numbers tend to be high, so just checking if it's a little or a lo ...

Score: 0
Jhon Doe avatar
Understanding the output of Cron
us flag

I'm having trouble understanding the output of cron. Suppose I have a cronjob that runs every five minutes:

*/5 * * * * root /home/user/Desktop/shell.sh

shell.sh has the following contents:

#!/bin/bash
echo "hello"
bash -i

I have the following questions:

  1. Where is the job run? E.g. is a new TTY process started where the shell script is run?

  2. Where is the output sent? I've read that the output is sent t ...

Score: 0
remi henry avatar
Keyboard mapping, QWERTY INTL
fm flag

i'm learning web development at the moment and we use an Oracle VM under Ubuntu. I write quite a lot of French but i'm also a keyboard enthusiast which means i have a QWERTY board. On my host OS (windows) i use the US International map which works great, it allows me to press ' + e and get é, etc.. So naturally i went the same route to setup my keyboard on Ubuntu. It works, except that when i want to t ...

Score: 0
BitFlip avatar
Wifi stopped working after Update 20.04
sd flag

I installed an update using UI and after that the wifi is not working.

I'm able to scan available wifi networks using iw but from UI it shows no network available. nmcli d shows wifi state unavailable.

My wireless card is Intel Corporation Wireless-AC 9462

Any ideas on how to fix this?

Score: 0
SumitSharma avatar
How to increase disk space alloted to ubuntu 18.04. I want to upgrade into 20.04, but disk space is low for upgradation
jp flag

I am getting the message " Disk space is low" while i am upgrading from ubuntu 18.04 LTS to Ubuntu 20.04 LTS. Kindly tell me the exact solution

Score: 0
Louis Emard avatar
Use both wifi and ethernet with internet connection
us flag

I'm looking for help to configure network on ubuntu core, I changed the netplan config and I manage to connect to both wifi and ethernet at the same time but there's an internet connection only on wifi. When I'm only on wifi internet works correctly but as soon as I plug the ethernet it stops and I can't ping anything. Is there an option to "try" both network interfaces when pinging something or should ...

Score: 0
DBG avatar
Directory's padlock
kr flag
DBG

Am trying to develop a game using libGDX.

Have downloaded the JAR file and have trouble when opening the project that's been generated by libGDX.

When being inside the Desktop directory in the GUI version, a padlock does appear on the icon as see in the pic.

As far as it seems, all has to do with

Have tried changing the file's permissions using:

sudo chmod +xrw file's name

In the link below hav ...

Score: 0
lampShadesDrifter avatar
Causes and consequences of "/dev/sdb3: Inodes that were part of a corrupted orphan linked list found" error?
fr flag

Recently had to fix a

/dev/sdb3: Inodes that were part of a corrupted orphan linked list found

error (using the info here: https://askubuntu.com/a/948207/760862) by simply running the fsck /dev/sdb3 in the initramfs console at boot and just entering in 'y' for all of the FIX prompts.

My question is: Any way to check what could have caused this? What are the possible consequences now of this error  ...

Score: 0
zarok13 avatar
Important logs notifications - ubuntu 20.04 lts
ar flag

Some notifications appear on my system logs with the status "important".

gdm-session-wor: gkr-pam: unable to locate daemon control file

bluetoothd: Failed to set mode: Blocked through rfkill (0x12)

kernel: ACPI Error: Aborting method \_SB.PCI0.LPCB.ECDV._Q66 due to previous error (AE_AML_NOT_OWNER) (20201113/psparse-529)
kernel: ACPI Error: Thread 2161368128 cannot release Mutex [ECMX]
acquired b ...
Score: 1
shashI avatar
I can't go to my desktop tab.(Unable to find requested file.Please check the spelling and try again.)
cn flag

It says Unable to find requested file.Please check the spelling and try again. enter image description here

And the trash icon missing from desktop.

output of ls -l ~/

$ls -l ~/
total 91172
drwxrwxr-x  3 shashindu shashindu     4096 Jul  7 07:33 Android
-rw-rw-r--  1 shashindu shashindu     1892 Dec  4  2019 deb-pacman_1.0-0.deb.1
drwxr-xr-x  2 shashindu shashindu     4096 Aug  6 11:33 Desktop
drwxr-xr-x 11 shashindu shashindu  ...
Score: 0
David avatar
Upgrade Crashes (Hirsute Hippo 21.04)
cn flag

After the installation of ubuntu 21.04 (Hirsute Hippo)

cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=21.04
DISTRIB_CODENAME=hirsute
DISTRIB_DESCRIPTION="Ubuntu 21.04"

It crashes when I try to upgrade

dpkg: unrecoverable fatal error, aborting: unable to open directory '/var/lib/dpkg/updates/': Operation not permitted E: Sub-process /usr/bin/dpkg returned an error code (2)
Score: 6
Andrew S. avatar
Weird walkie-talkie interference with Logitech unifying receiver
jp flag

This is insanely weird, and although it's not necessarily a problem, I'm really curious what's going on here.

I'm running Ubuntu 21.04 and have a wireless Logitech keyboard and mouse along with the Logitech unifying receiver. I'm running Solaar to help manage those. I work for a company that provides a MURS walkie-talkie for work onsite.

This evening, I was playing around and turned the walkie-talkie on ...

Score: 0
AmyAzure06 avatar
How can I edit or remove a grub menu entry while booted off a live usb?
ng flag

I messed up and tried adding a grub menu entry to shutdown the computer using the "halt" command. I accidentally put the "halt" command outside the menu entry 'tags' and now the computer starts to boot and after post immediately shuts down again. From my understanding what is happening is grub is booting and running the script with my shutdown menu entry and just running the halt command as it is outsid ...

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