Latest Ubuntu related questions

Score: 1
Saurav avatar
How to manage keyboard backlight on MSI Alpha 15 2021
cn flag

I recently dual booted my laptop with Ubuntu. It is msi alpha 15 with ryzen 7 5800h. The backlight just stays on always whenever i use Ubuntu. It doesn't have steelseries keyboard. It's maybe different. I tried installing openrgb package but it is net detecting keyboard. Also i used

xset -led 3

Nothing is working. Any help is appreciated. Sorry i am new here so question is not concise.

Score: 0
Ahdee avatar
Help with sendmail on new LAMP linux installation
cn flag

Hi I installed sendmail.

sudo apt-get install sendmail
sudo sendmailconfig # accept Y all defaults
echo "My test email being sent from sendmail" | /usr/sbin/sendmail example@gmail.com

I tried it with several email addresses as well as the spam box and emails are not being delivered. Next I looked into the ufw firewall and added the following.

sudo ufw allow 25
sudo ufw allow smtp

and this is how it  ...

Score: 2
Rofi: symbol lookup error: libgdk_pixbuf-2.0.so.0: undefined symbol: g_task_set_name. But it's there!
in flag

I'm using Ubuntu 20.04 LTS and I just installed Awesome Tiling WM. I run into "symbol lookup error" issues when installing Rofi, even though I can find the symbol in the library it is looking in, and I don't know what to do about that.

Here's what I did:

I install Rofi with

~$ sudo apt install rofi

But when I run it, I get

~$ rofi
rofi: symbol lookup error: ~/anaconda3/envs/py37/lib/./libgdk_pixbuf-2.0 ...
Score: 0
system can't be resumed after suspend(sleep)
de flag

I am on kubuntu 21.10 and kernel 5.13.29 and if i syspend sleep my system it can't be resume back to normal it was started on kernel 5.13.27 and i have seeen that issue And can't find any help around and i have tried with switching to older kernel with 5.13.25 and there was no such issue like i can suspend and resume easily no issues. So it is a kernel related issue i can't find anything in Launchpad.ne ...

Score: 0
bennie rekuh avatar
How do I solve this repository problem "... does not have a Release file"?
br flag
repository does not have release files  sudo apt-get update
Ign:1 https://download.rethinkdb.com/repository/ubuntu-impish impish InRelease
Err:2 https://download.rethinkdb.com/repository/ubuntu-impish impish Release
  404  Repository not found [IP: 167.172.11.96 443]
Reading package lists... Done
E: The repository 'https://download.rethinkdb.com/repository/ubuntu-impish impish Release' does not have a Rel ...
Score: 0
RAJEEV PAUDEL avatar
created unwanted 500GB data
id flag

I attempted to create a partition on my 1TB hard drive in order to install Windows as a dual boot system. It took more than 30 minutes after I selected a 500GB partition using the disks app. I was skeptical, the after about 45 mins it said my hardisk is 80% full. Then I checked there was 500GB less storage left but no such partition was created.Is there any workaround for that???? disk app screenshot

Score: 0
neverdimed avatar
rsync doesnt copy permissions to external drive
gf flag

a similar Q is asked here: https://unix.stackexchange.com/questions/229779/rsync-command-not-preserving-permissions. They suggest using sudo, but sudo makes no difference for me

the command i'm running is: rsync -avxPnh --itemize-changes --out-format="%i|%n|" --update --delete [source directory] [destination directory]'

-a: archive, preserves permissions, but I can see from --itemize-changes that the ...

Score: 1
jottbe avatar
could not open file /proc/asound/card0/pcm0p/info
in flag

if I start sonic-pi on my ubuntu system, I get the following error:

[GUI] - could not open file /proc/asound/card0/pcm0p/info

In fact the whole directory pcm0p doesn't exist. This is as deep as I can dive into the proc tree:

$ ls /proc/asound/card0/
codec#0  eld#0.1   eld#0.11  eld#0.13  eld#0.15  eld#0.3  eld#0.5  eld#0.7  eld#0.9  pcm10p  pcm12p  pcm7p  pcm9p
eld#0.0  eld#0.10  eld#0.12  eld#0. ...
Score: 0
I Am Not Here avatar
Failed to start Process error reports
jp flag

I am getting following error Failed to start Process error reports when automatic reporting is enabled

And screen stuck here, any solution with live Ubuntu usb or anything else?

/dev/sda5: clean, 2025929/15564800 files, 40973826/62251776 blocks [FAILED] Failed to start Process error reports when automatic reporting is enabled.

[FAILED] Failed to start crash report submission daemon.

[FAILED] Fail ...
Score: 2
How to fix SSL handshake error on x11vnc
ru flag

TLDR: Is there a way to change ADH from ADH:@STRENGTH to ADH:@SECLEVEL=0 either by using a config file (supported on x11vnc), or by adding some commands on the terminal line I use to start VNC (see below)?

I'm trying to have a working encrypted connection to my server through vnc. I'm using x11vnc 0.9.16. I am running Ubuntu 21.04. When I try running it through that command:

sudo /usr/bin/x11vnc -auth gue ...
Score: 0
Gautam avatar
Cannot ssh into a GCP Virtual Machine via jenkins as a non root user
lb flag

I have two GCP Virtual Machines. One is an Ubuntu Bionic VM which has a jenkins container in it and the other is a Debian Buster VM. I've been given a fixed key pair in case I want to ssh through jenkins to any other VMs. The key pair were not created as a root user. I'm trying to ssh into the Debian VM via jenkins as a non root user (jenkins) using these key pairs. Here's what all I tried and failed - ...

Score: 0
Henry avatar
PC Wakes Up Immediately After Suspend
mx flag

I replaced the button battery on the motherboard and now my PC wakes up immediately after suspend. I'm running Ubuntu 20.04.3LTS.

A user at another site stated that this might be due to an inhibitor so I entered the suggested command and got the output shown in this screenshot

Score: 0
installing an older version of package in ubuntu 18
us flag

So in the global ubuntu APT repos, a package version can be deprecated quite often.

For example, yesterday I was able to install apt install docker.io=x.y.z, and today I am getting E: Version 'x.y.z' for 'docker.io' was not found - as now the latest version is x.y.z-1.

The default apt repos in the sources.list are:

deb http://archive.ubuntu.com/ubuntu/ bionic main restricted
deb http://archive.ubuntu.com/ ...

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