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1500 questions
110
votes
18 answers

How can I install Windows software or games?

Can .exe and .msi files (Windows software) be installed in Ubuntu?
akshatj
  • 13,226
110
votes
4 answers

How do I login as root?

I want to login as root, but when I enter sudo -s and enter password, this message is shown: "you are not in sudoers file", and when I enter su and enter password, this is shown: "authentication failure". My os has one account only. about past1…
ava
  • 1,103
110
votes
1 answer

Clock shows wrong time after switching from Ubuntu to Windows 10

I have dual booted Windows 10 and Ubuntu 16.04 in UEFI mode (secure boot off). My time in BIOS is correct. When I boot into Ubuntu and then boot into Windows 10, it shows the wrong time. I have to correct it manually or by the internet in Windows…
Brij Raj Kishore
  • 2,128
110
votes
4 answers

Why are some systemd services in the "masked" state?

When I run the command sudo systemctl list-unit-files (I think the sudo is optional), I get output which shows all services and their state. Here is a snippet from my machine: UNIT FILE STATE ... debian-fixup.service…
knb
  • 5,004
110
votes
6 answers

How to completely remove virtualbox

I had installed VirtualBox but it started giving me problems. So I uninstalled it using:- sudo apt-get remove virtualbox-\* sudo apt-get purge virtualbox-\* But when I reinstalled VirtualBox it again resumed to previous settings and started giving…
Manish Sakpal
  • 1,241
110
votes
7 answers

Assistive technology not found AWTError

$ java -jar aprof-plot.jar Exception in thread "main" java.awt.AWTError: Assistive Technology not found: org.GNOME.Accessibility.AtkWrapper at java.awt.Toolkit.loadAssistiveTechnologies(Toolkit.java:807) at…
Shiwangi Singh
  • 1,101
110
votes
11 answers

How to install Anaconda on Ubuntu?

How to install Anaconda for Python on Ubuntu? Is there a way to use apt-get install? I only have command line access to my server. How do I install Anaconda on Ubuntu 14.04 from the command line?
alvas
  • 2,927
110
votes
4 answers

convert images to pdf

I have saved multiple images from google books. I wanted to convert them to a single pdf file, where in I need some inputs. The below two images(one png and one jpeg) are two continuous pages. first page(png) second page(jpeg) I save them in my…
user301880
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110
votes
8 answers

How can I install Ubuntu without CD and USB?

I want to install Ubuntu on my laptop that doesn't have a CD-ROM drive and I have no spare USB disk. I've tried Wubi, but that doesn't seem to work (since it prompts me to have the CD in the drive, which I don't have). How can I install Ubuntu,…
user294273
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110
votes
19 answers

virt-manager can't connect to libvirt

I'm running Ubuntu 12.04.2 32 bits. The error doesn't show up if I start gksudo virt-manager. libvirt-bin is installed. I don't know how to check for the daemon. I am a member of libvirtd. Output of ps ax | grep libvirt: 9225 ? Sl 0:04…
That Brazilian Guy
  • 4,170
110
votes
2 answers

In Gimp can I change all black pixels in a picture to blue pixels?

Using Gimp can I make all the black pixels with RGB(0,0,0) into blue pixels with RGB(0,0,255)?
sashoalm
  • 5,131
110
votes
5 answers

How do I fetch only numbers in grep?

I have file like this : other lines . . . blah blah blah (:34) I wish to find the occurrence of numbers in the above file. I came up with: grep [0-9] filename But that is printing the whole: blah blah blah (:34) Rather I want only 34. Is…
Ant's
  • 3,890
110
votes
2 answers

What terminal command checks the Ubuntu version

What terminal command tells the version of Ubuntu.
Nick Bailuc
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110
votes
1 answer

Key is stored in legacy trusted.gpg keyring after Ubuntu 22.04 update

I get 3 warnings after Ubuntu 22.04 update on a Digital Ocean LAMP stack droplet. W: http://repo.mysql.com/apt/ubuntu/dists/bionic/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in…
newcat1000
  • 1,442
110
votes
5 answers

How to permanently uninstall Microsoft Teams?

The question's in the title. The official website gives only details for Windows and Mac.
Gytis
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