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1500 questions
87
votes
4 answers

What characters are safe in cross-platform file names for Linux, Windows and OS-X

Currently, I use a YYMMDD-NAME+PAGE name for most of my files. NAME has spaces converted to underscores. I'd like to use the YYYY-MM-DD date format, but I am not sure how to separate it from the name. A - would look strange if the name started with…
Martin Ueding
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87
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3 answers

How are commercial DVD's burned?

I'm not talking about the DVD-R's here. When you buy retail software and DVD movies from the store for example, how is that DVD burned onto the original disc? What would I need if I want to burn those type of "commericial" discs? (Is there a special…
Ken Li
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87
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5 answers

Permission denied when accessing VirtualBox shared folder when member of the vboxsf group

I'm running Ubuntu 11.04 (guest) on Windows 7 (host) with the guest additions installed. I have an auto-mount folder that maps to my D: drive on the host which I can access using sudo ls /media/sf_D_DRIVE - however, even when my user (ross) is a…
Ross
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87
votes
13 answers

Switching back to last tab on Firefox

Is it possible to switch back to the last tab used (tab toggling)? I often like this behaviour on the Mac OSX when switching between apps with the CMD + Tab shortcut key.
Dashed
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87
votes
11 answers

Can zipping a file break it?

I just asked someone to send me a zipped psd file. They declined, citing that zipping a file can break the fonts. I assumed zipping a file is perfectly reversible, hence why it is commonly used. I think the other person is incorrect. Is there any…
alex
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87
votes
3 answers

Do I need to have a passphrase for my SSH RSA key?

Before I started at my current job (at a small business), my office had no firewall on the network and literally nothing was ever being backed up. Now that I've signed on as a dedicated sysadmin / one-man-IT-department, I've been doing what I can to…
eckza
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87
votes
7 answers

Share VirtualBox folders in reverse? Guest-Host?

I'm familiar with the process of installing Guest Additions and sharing host folders with the guest, but is there a way to do the reverse? I have an XP host and Ubuntu 10.10 guest, with VBox 4.0.2. In other words, I'd like for the host to have…
Nate Parsons
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87
votes
7 answers

How do I change the colour scheme on PuTTY?

I'm using PuTTY to SSH from my PC at home to Linux computers at work, but some of the text (folder names) is dark blue on black, which is almost impossible to read. How do I change the colour-scheme? My computer at home has Windows 7 in case it…
Kirt
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87
votes
4 answers

Difference between "a=b" and "export a=b" in bash

What's the difference between: a=b and export a=b In bash? I understand that they both define environment variables, but I don't fully understand the difference.
Adam Matan
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87
votes
1 answer

Hyper-V vs Virtual Machine Platform vs Windows Hypervisor Platform settings in Programs and Features?

Windows 10 shows these three separate features that seem to be the same thing or related. Hyper-V (note that in latest Windows 10 version this has disappeared from the "Windows Features" checklist depicted bellow); it only shows in the services…
Abhishek Kumar
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87
votes
3 answers

Is there a way to change the default shell in Windows Terminal?

When opening the new Windows Terminal, it opens up PowerShell. Also by default new tabs are PowerShell. You have to manually switch to your desired shell. Is there a way in the settings JSON file to change this to cmd or something else? windows…
Bob Kimani
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87
votes
5 answers

What is the name of the 8 white squares surrounding resizable views?

I came across this annoying moment while writing a how-to article and realized I didn't know the name of those white squares that surround views. Here some images for clarification. Windows PowerPoint: Mac Xcode:
Android Admirer
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87
votes
4 answers

Why does "cd.." work in the Windows command line?

When typing cd.. without a space between cd and .. the Windows command prompt will happily switch to the parent folder. Is there an explanation for this behaviour? The command does not follow the standard format of commandarguments Also, why…
Jonas Köritz
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87
votes
3 answers

scp copy has error "ambiguous target"

I try to copy files from a linux (ubuntu) machine to an external hard drive mounted on a mac but got an error message : scp: ambiguous target What I did is, I'm on a mac, ssh to the linux machine where files are. Then use the following command…
bob
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86
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5 answers

svchost.exe high memory usage - wuauserv

I'm running Windows 7, and I've been experiencing high memory usage from one of my svchost.exe processes. Services under that particular process are BITS, EAPHost, IKEEXT, LanmanServer, MMCSS, ProfSVC, RasMan, Schedule, SENS, SharedAccess,…
Oliver
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