All Issues
24,993 verified issues
How long would it take to transfer 1TB over USB 2.0?
This might be a completely stupid question because it is conceivably highly dependent on the respective disk speeds. But I am thinking that there is a speed cap that is specific to USB 2.0 that would by itself define a lower limit. How long would it take to transfer 1TB of data from an external dri…
Should I install 64-bit versions of operating systems?
With the release of Windows 7 coming up, 64-bit operating systems have caught my attention. What are the main advantages and disadvantages of installing 64-bit Windows 7? What type of compatibility issues will I face and would i have to install 64-bit software, or will all the applications I have b…
Why can't you defragment Solid State Drives?
I keep hearing that this is a huge no-no. Why is this? I run Ubuntu mostly so it doesn't affect me, but I was just wondering.
Bad font anti-aliasing in Ubuntu
I'm switching from Fedora 8 to Ubuntu 9.04, and I can't seem to get it to get a good font anti-aliasing to work. It seems that Ubuntu's fontconfig tries to keep characters in integral pixel widths. This makes text more difficult to read, when 1 pixel is too thin and 2 pixels is too thick. Check the…
Can I connect a PC to a PoE switch?
I have a switch with Power over Ethernet capabilities. Is it allowed to connect a PC to a PoE switch?
How to extract a complete list of extension types within a directory?
Within a directory, and recursively within it's sub-directories, meaning every directory within a directory is processed, how do I compile a complete list of unique extensions within the directory? OS is Windows XP with all the current updates, but I okay running script if I'm able to tell what it'…
How to copy a list of file names to text file?
How can I copy the names of files in a directory to a text file or to a clipboard?
Which Google Updater is the one that I should allow to run?
My machine has 5 Google updaters running: Service: Google Update Service (gupdate) Keeps your Google software up to date. If this service is disabled or stopped, your Google software will not be kept up to date, meaning security vulnerabilities that may arise cannot be fixed and features may not wo…
yum hangs and won't respond
I am running and it freezes after a 2 lines of output: I'm not sure what is happening. The last things I remember doing with yum were and looking at one of the CentOS yum repos but I didn't make any changes. Any suggestions to fix yum?
LANG and LANGUAGE environment variable in Debian based systems
It seems both the LANG and LANGUAGE environment variable are used by some programs to determine their user interface language. What are the exact semantics of these variables and where can I read about their correct usage? The manpage for locale(1) only mentions the LC_* family of environment varia…
How can I determine if Apache is installed on a system?
I have Linux Mint on my computer but I don't know how to find out whether Apache2 is on it or where it is actually installed. I run my web browser (PHP installed) with as a URL and it works.
Linux: coloring bash prompt will break carriage return
When I try to colorize the prompt like this: it breaks the carriage return (instead of going to a new line when line is full, it starts in the same line and erases the input text). If I remove the color sequence it works fine. I use Ubuntu 11.10 and terminal (guake has the same bug too).
How do SSL chains work?
Why are intermediate certificate authorities required? When would an intermediate certificate be used? How do I verify the chain from the intermediate certificate to the root certificate? What are examples of intermediate certificates that link to root certificates?
How to create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG
How can I create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG? I used this command to convert an file to a series of PNG frames: Now I need to know how to make an uncompressed AVI video from all those PNG frames. I tried this: But the resulting video loses a lot of quality…
Why is it so hard to find a file in Ubuntu?
It's very hard to find files in Ubuntu. In Windows, you could just go to and you would find what you need. In Ubuntu, you must use search to find something you need. Maybe I am missing something?
How to access C$ share in a network?
Considering I have admin access to a machine, how can I remotely access the default C$ share in Windows XP and Windows 7? Edit: This is not a domain, it's a single machine that I need to access
What does Terminal app's "Show Alternate Screen" do? (OS X)
Today, I discovered a menu item called "Show Alternate Screen" in Terminal.app. I am just curious about what it does. It seems to be sharing the same shell process (unlike tabs), since I see output from one screen on the other while a command is running (e.g. ) and the current directory is kept in …
do files in the temporary folders get automatically deleted?
We are thinking to make our web application hosted on a windows server 2003 machine create temporary files, and "leave" it there as such. We won't manually take any action on them. So will these files get automatically deleted? Or is there some sort of policy we have to configure - like these files…
OS X Lion desktop switching speed
One of the things I've noticed about OS X Lion that is really annoying me is that when you switch desktop to the next one over (this starts out as the Ctrl + ← / → shortcut) this animation is much slower than the switch animation that gets set off when you switch desktops with the keyboards shortcu…
How to download a folder containing multiple files on an FTP server to a desktop?
I want to download a folder which contains hundreds of files that are hosted on an ftp server to my Windows 7 desktop. I've never used FTP before, so I am not sure where to start.