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When I try to launch Discover - Updates, the window closes. I've tried doing updates, and even a reboot of the system, and it still closes when I open it.
I am running Ubuntu 20.04.6 LTS.

I was going through an old hard drive of mine, and found the following file: toshibahdcryptheaderbackup.img.
Does this have to do with LUKS encryption? Does it allow me to perform some kind of...

It shows up in the Discover app on Lubuntu.

I am running Ubuntu 20.04. My system is up to date. I plug in my sd card adapter, and plug in my microsd card. Upon doing so, in gparted, I get this error message when I "refresh devices":...

I noticed there are updates for my wd19tb. When I go to update, it fails with "Unexpected early end-of-stream". I am running Ubuntu 20.04.

I have a docker container running syncthing. The docker is running as root, so I've modified the NFS mount folders as group owner: root. Yet, syncthing is complaining about Permission Denied.

I have a python3 script to constantly run in the background to monitor a service. But it seems that it is not constantly running, as the service is monitors, is not restarted when broken. Here's my...

In my syslog file, I have entries where something is trying to send mail via smtp/postfix, and fails, and keeps trying. How do I find out what is doing this?

My client is able to telnet to the master via 3493. On the master host, running upsc apc1500@localhost returns stats about the ups status. Why is my slave not able to retrieve the status?

I am running ubuntu on my laptop. I reset my cisco 3750 switch. I am plugged into the back of the switch into the console port. the device is detected in my system is ttyusb0. When I try to...

In proxmox, I am logged into the lxc container, and I can also ssh into it. the docker container was running before, but now it seems the dockerd is unresponsive.

I am running Ubuntu 22.04 on a lxc container on proxmox. When I run docker ps, it just hangs. I tried restarting the service and the container, but the command still hangs.

I have a VM with two nics; one is listening in promisc mode, the other is for management. .2 is my GW, and .124 is the IP of the host. From the VM, I can ping my GW and can ping 9.9.9.9. If I ping...

If it helps, I am using csv output from Advanced IP Scanner.
Here is the format of the log file:
Status Name IP Radmin Http Https Ftp Rdp Shared folders Shared printers ...

I am trying to extract all MAC addresses in this format: AA:AA:AA:AA:AA:AA. I tried the following, but it did not work:

grep -i '[0-9A-F]\{2\}\(:[0-9A-F]\{2\}\)\{5\}' <file-name>

I have a Dell XPS 9550 with the Dell WD19TB dock connected. I went to update my dock, and nothing happens. https://ubuntuforums.org/attachment.php?attachmentid=291159&stc=1

This worked perfect, thank you!

uname -r returns the following: 5.4.0-126-generic

I am trying to monitor my Nvidia card temp. I am following a tutorial that says I need to switch to the proprietary driver version. Which one do I select, and why are there so many for my card?
...

They are 2 3 TB drives.
https://paste.ubuntu.com/p/TDtxxJSJ7F/
https://paste.ubuntu.com/p/YXm4mdg4T6/

https://ubuntuforums.org/attachment.php?attachmentid=290997&stc=1

I have a raid 1 setup on a dell t320. I've attached the log of what happened. It failed to install successfully. I've attached the log file: https://pastebin.com/62nxe3ta

You can delete those. The submit of the question did not go through, so I refreshed the page, and it failed to load.
Will post those output soon.

How would I go about expanding the following root lvm:

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 132G 0 disk
├─sda1 ...

Can anyone please assist?

I am receiving this error message:


[3035] 1643135656.25896: Getting initial credentials for ubuntu/admin@mydomain.com
[3035] 1643135656.25898: Sending unauthenticated request
[3035]...