Latest Ubuntu related questions

Score: 0
Segway avatar
LibreOffice-Calc 7.1.4.2: How to display input bar results in a cell, *or* what is fraction-to-decimal formula?
ir flag

I want to enter a fraction in one cell and display its decimal equivalent in another cell. If I format a cell for fraction input, and enter a fraction such as ⅜ in that cell, I see the decimal equivalent (0.375) in the Input bar. How can I show that decimal equivalent in a cell, or what is the formula for converting a fraction to decimal, and displaying the result in a cell?

Score: 1
John Williams avatar
Ubuntu 20.04.2 Screen Dims Randomly
us flag

I have tried all relevant Settings choices, including "xset s off; xset s noblank; xset -dpms; xrandr --output HDMI-1 --brightness 1.0" as ordinary user and root, but the screen still dims itself occasionally at random. How can I permanently turn OFF screen dimming?

There must be some code in the Ubuntu installation to do this!

Maybe something in /etc?

Score: 1
XXX_BlueFire_XXX avatar
Lubuntu 20.04 Run a script at login which executes in a terminal window
mx flag

My Goal: Execute a shell script after login which runs with root privileges and takes the appropriate user input from a terminal window to determine its next course of action.

The Script: The script I'm running tells the user that a second script will automatically be initiated in 60 seconds unless the user enters s or S. A countdown displays the remaining time. If the user entered the correct exit com ...

Score: 0
Artem avatar
How do I extend LUKS partition to fill the whole logical volume of 2 disks on LVM?
br flag

I have added a second disk to my LVM system. I created a physical volume there, added it to the volume group of ubuntu, 'vgubuntu', extended logical volume to fill the whole disk. How do I extend the LUKS system partition to fill the whole logical volume? Here's more info provided by pvdisplay, vgdisplay and lvdisplay:

  --- Physical volume ---
  PV Name               /dev/mapper/nvme0n1p3_crypt
  ...
Score: 0
The Pthyister avatar
Raspberry Pi4B / (64bit 21.04): 5.11 kernel tree's -1014-raspi / 1015-raspi apt update kills the OS
in flag

I've now got two of my RPi4B installations (Xubuntu, 64bit) of 21.04 into a non-bootable state after a normal apt update with the kernel tree update to 5.11.0-1014-raspi or 5.11.0-1015-raspi. I made the first error report on that thing a week or so back when the first one of my RPi4B builds booted into the Rainbow of Death and I warned the devs that there is an issue with that. I thought it'd been safe  ...

Score: 0
bananazigzags avatar
Set up keyboard shortcut to rewind audio 1 second?
us flag

I'm using Ubuntu 20.04. I'm working with an embedded player on page, and the system has a shortcut Ctrl + / which plays/pauses audio and rewinds 1 second. However, trying to use it on Ubuntu, I found that Ctrl + / is a preset shortcut for Select All.

I tried to disable it, but it's not in the list of keyboard shortcuts. So the only way I found to disable it is to set up a new shortcut and put /bi ...

Score: 0
Ubuntu 21.04: wi-fi network disappears in middle of session
in flag

I've been experiencing problems with the wifi going down all of a sudden.

I already tried some solutions I found here but to no avail. It only solved part of the problem. Now If I restart I have wifi, whereas before it could go either way and sometimes the mouse did not work.

I've already updated the kernel to 5.13.4-051304-generic. I've already installed the updated driver from https://wireless.wiki.kern ...

Score: 6
nickwh avatar
Ubuntu 18.04.05 LTS Desktop hangs with since kernel 4.15.0-151 and systemd 237-3ubuntu10
cn flag

Several crashes in /var/crash, here's the last one:-

ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be restarted.
Date: Fri Jul 23 18:10:54 2021
Failure: oops
OopsText:
 BUG: Bad rss-counter state mm:00000000c098a229 idx:2 val:-1
 usblp0: removed
 usblp 1-5:1.0: usblp0: USB Bidirectional printer dev 3 if 0 alt 0 proto 2 vid 0x04F9 pid 0x02EC
 <44>[ ...
Score: 0
zubbs1 avatar
Script Help to ping and restart program
us flag

I just want a script to ping google and then

  1. If successfull, do nothing
  2. If fails: 2A) Close/kill brave-browser 2B) Start brave-browser

I would like this script to run every 15 minutes

I lose my internet connection frequently and at random times. When the modem reconnects itself to the internet, my server machine will not reconnect because the vpn is loaded through brave and it just sits unchange unt ...

Score: 1
Alwin Lubbers avatar
Running multiple simultaneous VNC sessions
hm flag

I'm working on a project for a client that wants to access some Windows-apps via my website using noVNC, that gave me an idea for setting up a server with multiple users. I've installed TigerVNC-server on my CentOS 7 VPS, which works well when one user is connected, but when the second user connects, he/she will only get a black screen as it seems like gnome won't start for the second user.

If i, ...

Score: 2
Ubuntu 20.04 multi-threading off by default AMD 73F3, how to turn on?
ma flag

Just got a new server, has 2 x AMD epyc processors 16 cores each.

They are multi-thread capable

# dmidecode -t processor | grep HTT
        HTT (Multi-threading)
        HTT (Multi-threading)

but it appears to be off - fresh installation of 20.04

# lscpu | grep Thread
   Thread(s) per core:              1

How do I turn multi-threading on?

additional info someone asked for:

# nproc; numactl -s; cat /proc ...
Score: 2
fixit7 avatar
Mouse battery status not working
kp flag

I do not think mate-power-statistics or upower is working.

Mouse is a Logitech M325.

I have tried 3 different batteries and they all show 55%.

One AA battery and two NiMh batteries.

What is wrong?

Score: 2
Ryan A avatar
Ubuntu 20.04 - Gnome Tweaks - Installed shell themes aren't showing in drop down list
us flag

I am following Linux Scoop's tutorial on installing the Orchis theme and I was able to install and choose the themes for Applications, Cursor and Icons but I am not able to choose "Orchis" in the drop down menu for Shell.

I followed the same steps that Linux Scoop did and I also copied the theme to Home/.themes and also usr/share/themes. I tried restarting my pc and it still doesn't show up. What ...

Score: 0
Anzipex avatar
Ubuntu 20.04 won't boot in 5.8.0-63-generic
cn flag

I don't know how it happened, but most likely after updating the packages, I can no longer run 5.8.0-63-generic. After the loading animation, I just get a purple screen. I tried to press Ctrl + Alt + F1 or Ctrl + Alt + Delete after that I see my account and login screen for a second, after that the screen freezes and I cannot see the keyboard input. At the same time the screen resolution is rather strang ...

Score: 0
CA1Greco avatar
Evolution New Mail Account "Error Retrieving File Structure" Message
id flag

Attempted to add new mail account in Evolution (version 3.40.2). Entered all set up info (Incoming, Outgoing, etc), pressed "Add". Noticed that new account name shows up in list with only momentary appearance of arrow for expandable list. Then the arrow disappears. (New account list remains.) Next get error message "Error While Retrieving Folder List". Note that I successfully added my another email acc ...

Score: 0
Pedro Delfino avatar
What does this mean in my Startup Applications Preferences?
in flag

On my Start-up Applications Preferences there is a strange program.

It is called im-launch. It is associated with this command:

sh -c 'if [ "x$XDG_SESSION_TYPE" = "xwayland" ] ; then exec env IM_CONFIG_CHECK_ENV=1 im-launch true; fi'

I do not recognize this command and I do not understand it. Maybe, my memory is tricking me but I do not remember inserting this on my personal computer.

What exactly is th ...

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