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1500 questions
179
votes
12 answers

Remove a certain line from Bash history file

How can I remove a certain line from history's database?
w0rldart
  • 2,983
179
votes
8 answers

Obtain kernel config from currently running Linux system?

I accidentally deleted my .config for my kernel configuration on Linux, and seem to remember there was a way to retrieve the kernel configuration via the proc filesystem somehow. Is this still possible, and if so how would I do it?
Sonny Ordell
  • 1,977
179
votes
11 answers

How to download favicon from website?

When you browse a website, the "favicon" icon shows up in the tab or next to the URL (or next to the bookmark). If I want that graphic, is there a way to download it directly from the site? I'd prefer to download it directly from the web, but if all…
Robert Cartaino
  • 7,063
178
votes
3 answers

Clear windows command prompt screen using keyboard shortcuts

Is there any way of clearing the command prompt screen in windows using keyboard shortcuts?
Ishan
  • 3,432
178
votes
10 answers

How to measure disk-performance under Windows?

I'm trying to find out why my application is very slow on a certain machine (runs fine everywhere else). I think i have traced the performance-problems to hard-disk reads and writes and i think it's simply the very slow disk. What tool could i use…
Alphager
177
votes
7 answers

Change name of Virtual Desktop in Windows 10

When adding Virtual Desktops on Windows 10 they are just named sequentially: Desktop 1, Desktop 2, ... etc Is there a way to modify these names to provide something more meaningful? i.e. Home, School, Work, Project? Note: This has been a long pined…
KyleMit
  • 6,345
177
votes
4 answers

What's the difference between KeePass / KeePassX / KeePassXC?

KeePass, KeePassX and KeePassXC look very close. What's the difference between them?
Martin Monperrus
  • 2,923
177
votes
5 answers

How to find out Mac OS X version from Terminal?

I know how to find Mac OS X version from GUI: Apple Menu (top left) > About This Mac Is there a Terminal command that will tell me Mac OS X version?
Željko Filipin
  • 4,817
177
votes
23 answers

Is there a way to move the current window to another desktop without using a mouse in OS X?

In OS X as I'm aware to move the current window to the next desktop, I'd click down on the title bar of the window to have it in move mode, and then while keeping the mouse button down, press Ctrl+← or Ctrl+→. If you don't have a laptop, this may…
aryeh
177
votes
1 answer

What is the purpose/function of ".ßßß" files?

While trying to copy the contents of a 16GB usb drive, I got a warning that there was not enough free space. Checking the properties of the folder tree on the usb drive, I found a large number of ".ßßß" files that claim to be around 3.5GB each, for…
Arne
  • 1,270
177
votes
2 answers

Uppercase "M" at the right of window name in tmux

For some reason, occasionally, an uppercase M appears at the right side of the window name, so the window name looks like this: 1:bash*M I'm pretty sure is because I'm pressing some combination that causes this. What is it and what does it means?
André Wagner
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  • 6
176
votes
17 answers

What can I do if I forgot my Windows password?

I got a brand new Windows 7 machine, installed the operating system, created one account and forgot its password. What can I do? There is no external CD, the operating system is loaded from somewhere inside the machine. I already tried to remember…
flybywire
  • 4,060
176
votes
22 answers

Add directory to $PATH if it's not already there

Has anybody written a bash function to add a directory to $PATH only if it's not already there? I typically add to PATH using something like: export PATH=/usr/local/mysql/bin:$PATH If I construct my PATH in .bash_profile, then it's not read unless…
Doug Harris
  • 27,811
176
votes
10 answers

How to easily reorder rows in excel with drag and drop or move-up or move-down?

I have to do some manual reordering or rows in Excel and cut/paste is too hard to use. I'm looking for something that would enable me to use drag'n'drop or to add some buttons to move-up/down move-top/bottom.
sorin
  • 11,840
176
votes
7 answers

How to password protect gzip files on the command line?

I want to create some tar.gz (and possibly tar.bz2) files, using the tar command on Ubuntu 10.04. I want to password protect the file. What is the command to do this (I have Googled, but found nothing that shows how to create and extract compressed…
morpheous
  • 4,333
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