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1500 questions
116
votes
6 answers

How to monitor disk activity?

How do I view my Disk Activity on Ubuntu? For example, How can I monitor what is being written and read from disk as well as the percentage of disk usage? I am looking for an application similar to the Resource Monitor in Windows.
Fritsen
  • 1,161
116
votes
2 answers

How do I mount a folder from another partition?

Is there a command to mount a folder from one partition to my main partition? Example of what I'd like to do, which obviously doesn't work: mount /media/tc1/folder /home/dvad/home If not by using a command, is there another way I can do this?
user100541
  • 1,263
116
votes
9 answers

There's an issue with an Alpha/Beta Release of Ubuntu, what should I do?

I've been running Alpha releases of Ubuntu for some time now. I keep running into issues - how can I get these resolved? What should I do when I encounter these problems? And where can I find other Ubuntu+1 users to ask questions?
Marco Ceppi
  • 48,887
116
votes
12 answers

"Failure to download extra data files" after installing ttf-mscorefonts-installer

After fresh install 12.04 I && updating apt and system restart, I always get this annoying message after reboot : Failure to download extra data files The following packages requested additional data downloads after package installation, but the…
armanke13
  • 1,263
116
votes
6 answers

How to install Ubuntu on VirtualBox?

I would like to know if anyone can help me with installing Ubuntu on VirtualBox
Chris
  • 1,161
116
votes
4 answers

How is Ubuntu different from Debian?

Ubuntu is a derivative of Debian. It uses the same package format. In what ways is Ubuntu different from Debian?
Nathan Osman
  • 32,525
116
votes
2 answers

python-is-python3 package in Ubuntu 20.04 - what is it and what does it actually do?

Having used Ubuntu 18.04 for a handful of years now, and reading that Python 2 has been removed from Ubuntu 20.04, I was looking forward to using the commands python or pip rather than python3 or pip3 . So today I tried Ubuntu 20.04 for the first…
cdahms
  • 1,993
116
votes
10 answers

Ubuntu 20.04 Network Performance Extremely Slow

I just upgraded from Ubuntu 18.04 to 20.04 on one of the Dell XPS 13 machines, and the network performance is abhorrent. Internet speed is very fast from a google speed test (>300Mb/s for both upload and download). However, whenever I try to browse…
kwsp
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116
votes
5 answers

Why is defragmentation unnecessary?

Why is defragmenting unnecessary in Ubuntu?
Zango
  • 5,133
116
votes
8 answers

WiFi randomly disconnected on Ubuntu 18.04 LTS

I installed Ubuntu 18.04 LTS in this week and now I have a problem with wifi connection. The WiFi connection auto disconnected every 5 - 10 minutes but wifi signal is still fine. I did a search, found some answers for older versions of Ubuntu and…
115
votes
7 answers

Disable "Mouse battery low" spam notification

Countless times over the past few weeks I have been notified about the low battery in my wireless mouse. Every time it wakes up from sleeping mode and reconnects over Bluetooth I get a notification. I have gotten hundreds of notifications. I do not…
domo
  • 1,273
115
votes
10 answers

How can I boot with an older kernel version?

The latest kernel is causing problems with my sound, which worked fine with an older version. As I have only Ubuntu installed, Grub is not getting displayed while booting. How can I manually choose my kernel version while booting?
115
votes
2 answers

How to change Windows line-ending to Unix version

We have 10 PC with some version of Ubuntu and only remote access. While doing some upgrades to custom software I did not notice that the line endings in some scripts were Windows version (CR+LF) and not the Unix version (LF). So now when I want to…
115
votes
2 answers

There is no public key available for the following key IDs 1397BC53640DB551

When I run the command: sudo apt-get update I got this following warning: There is no public key available for the following key IDs: 1397BC53640DB551 This is the only warning I got and I do not get any Error. How I can fix it and what the key…
Marcellinov
  • 3,389
115
votes
2 answers

How do I disable the boot splash screen, and only show kernel and boot text instead?

I'd like to be able to disable the Ubuntu splash screen that I see on boot with the indicator meter of progress, and replace that with a text-only readout of the boot up process (such as you can get by hitting the esc key during the splash screen).…
Thomas Ward
  • 80,112