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1500 questions
127
votes
6 answers

Disable "Do you want to change the color scheme to improve performance?" warning

Sometimes this dialog box will pop up (see screenshot below). Every time it appears I select "Keep the current color scheme, and don't show this message again". Windows then reminds me again -- either the next day or after reboot, or sometimes…
William Lawn Stewart
  • 2,019
127
votes
1 answer

Windows Activation FAQ: How do language, version, 64-bit or 32-bit, and source affect ability to install and transfer Windows licenses?

We get a lot of questions on Super User about Windows activation and licensing. This question is an attempt to answer the most common questions in one place with a canonical answer. When reinstalling Windows, the following questions often come…
nhinkle
  • 37,390
127
votes
4 answers

How to setup a line length marker in vim/gvim?

Some GUI text editors have a vertical line which serves as line length marker (it helps keeping lines shorter than 80 chars in source code files). Is is possible to have something similar in vim/gvim? I know about ruler vim option, but it is not…
vtest
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127
votes
4 answers

Where to upload PGP public key? Are KeyServers still surviving?

I want to upload my PGP public key on a public server. Till the time PGP was an independent organization, I heard a lot about KeyServers, but after Symantec acquired PGP, what is the future of these servers? Is there any other alternative way to…
RPK
  • 2,733
127
votes
5 answers

How to pipe command output to other commands?

Example: ls | echo prints nothing ( a blank line, actually ). I'd expect it to print a list of files. ls | grep 'foo', on the other hand, works as expected ( prints files with 'foo' in their name ). What I do in these situations is something like: …
Mihai Rotaru
  • 2,869
127
votes
11 answers

Run VirtualBox in background, without a window?

I was wondering if it's possible to run an Ubuntu virtual machine using VirtualBox in background, I mean, without any window open. The idea is to connect via SSH to the Linux host, that would be running in background. Has anyone ever done something…
user35425
127
votes
8 answers

docker-compose up/down just one container

I have not been able to find a way to up/down just one container in a docker-compose.yml file. I can off-course start and stop a single container, but I cannot make changes to a containers configuration between restarts (environment variables, mount…
Inquisitor Shm
  • 2,018
127
votes
8 answers

Should I defragment my SSD?

I have just learned that one should "Never defragment your SSD". But I have no idea if that is true. I believe that Windows 10 was automatically scheduled to finish defragmentation on my SSD, but I cancelled it. Would it cause any problems for…
jerry
  • 1,193
127
votes
5 answers

How can I SSH into "Bash on Ubuntu on Windows 10"?

I have Windows 10 Anniversary Edition with "Bash on Ubuntu on Windows" installed and working. I'd like to be able to SSH into this Ubuntu instance, but although I have openssh-server installed and configured (and listening on port 2200), when I try…
Mick
  • 1,951
127
votes
6 answers

Tiny copper waffle squares inside computer

I've been hearing a sound from inside my MSI GE60 laptop for a while now, so I opened it up to find that these two tiny copper waffle squares came loose. They were originally stuck to the board with some black adhesive, so I stuck them on again, but…
eyqs
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126
votes
2 answers

How to fix and recover a "corrupt history file" in zsh?

After a reboot, I started seeing a message when loading the shell: zsh: corrupt history file /home/myusername/.zsh_history How can I recover from this situation and potentially recover some of the history?
gak
  • 8,737
126
votes
7 answers

How do I disable the profiles button in Chrome?

Since Chrome version 38, there's a pretty ugly button in the title bar of the Chrome window that allows you to switch profiles quickly. Since I'm the only one that uses my computer, this is not really useful to me, and I'd rather reclaim the space…
jstricker
  • 2,505
126
votes
3 answers

What is 1e100.net and why do I have TCP ports open to it?

I see my PC has TCP connections open to 1e100.net. Then I checked the whois record and find it is registered to Google. Weird. A quick search seems to indicate that 1e100.net is pretty popular - about the same reach as adobe.com or bbc.co.uk…
Lunatik
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126
votes
2 answers

Is there anyway to stop Windows 8 from restarting for an update?

My Windows 8 machine is going to restart shortly... I have tried a few techniques such as shutdown /a which is not having much luck. Short of pausing the Windows Update service, is there anyway to stop this restart from…
William Hilsum
  • 116,736
126
votes
4 answers

How do I get Apache to follow symlinks?

In my apache www folder (/var/www on ubuntu 10.10) I have: mydir -> /home/user/mydir (that I created with ln -s) Now, if I want to see a listing of the files in mydir from the web, I have to give apache the directive FollowSymLinks, right? But…
luca
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