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24,993 verified issues
What's the easiest and fastest way to compare 2 registry files?
I would like to find the changes made in the registry after installing something on my computer. However I would like to also know what can be done with ease as a general procedure.
How to create an ssh connection Terminal shortcut on Mac OS X?
It sucks to open Terminal each time and write a complete SSH command. How can I create an SSH connection Terminal shortcut on Mac OS X 10.6.8 (Snow Leopard)? I also have a custom port to connect to.
tar – extract discarding directory structure
has a nifty option , whereby the directory structure of the archive is discarded, and all files are extracted into the same directory. Is there a way of making work in the same way? Nothing in the man page seems to indicate so. So, is there an alternative, preferably Free Software, tool that will d…
How to find the L2 cache size in Linux?
I wanted to know how to find L2 cache size in Linux... for L1 cache size, I am doing the following what about L2 cache size?
How can I ping a range of IP addresses simultaneously
I have a bunch of machines on an IP address range which I want to ping simultaneously as a quick and dirty way of telling which ones are switched on. What (free) software can I use to do this? I'm using Windows Vista.
Take a screen shot of a scrolling window that includes off-screen parts
On the Mac, how can I take a screen shot of a window that includes the parts that are off-screen and need scrolling to become visible? The built-in Grab application can capture individual windows, but it only includes the parts that are on-screen at the moment. Clarification: By "off-screen" I mean…
Why should I choose (or not) AHCI over IDE in my PC's BIOS settings?
I've noticed in the BIOS settings of the newer PCs I own that I can configure the drive controller work either in AHCI (Advanced Host Controller Interface) mode, or else in IDE mode. I'm suspecting that AHCI "performs" better, but I really don't know much about that from a practical standpoint. How…
How do I change the default startup directory in Cygwin?
Whenever I start cygwin, I need to cd several levels down to the only directory that I care about when using cygwin. How can I get cygwin to start in this particular directory by default...i.e., each time I start Cygwin it will be in that directory already? I found some things that may be it, or cl…
What is the benefit of copy over xcopy on the command line?
I know that xcopy has more options however are there any benefits to using copy rather than xcopy?
LibreOffice Calc: How to get total for HH:MM:SS cells
I'd like to take a group of cells in the HH:MM:SS format, and add them up. I don't want to have the value wrap on the 24 hour clock. I just want an absolute total of the values. (The sum function seems to wrap by default). So if I have: I want to end up with: A contrived example, but it gets across…
Create a new file in Total Commander
I want to create a new, empty file using Total Commander. I have not been able to find out how to do this simple task, so I am asking here.
How to output file from the specified offset, but not "dd bs=1 skip=N"?
How to do thing like , but efficiently, not using not 1-byte reads and writes? The solution is expected: To be simple (for non-simple I can write some Perl oneliner that will do this) To support large offsets and lengths (so hacks with block size in dd won't help) Partial solution (not simple enoug…
Ubuntu shutdown fail "* Killing all remaining processes..."
I have a fresh installation of Ubuntu Server. "reboot" works, but shutdown fails on the step. I am using: After the failure, indicated by (with "fail" in red), I get this message: with no other error messages. The user is root after the program exits. Any ideas about how to trouble-shoot this, or w…
Merge two excel files using a common column
I have two excel sheets. I have to merge the two such that the values in one match with the other. For eg. Notice that in the first column of the 2nd excel, 2 is missing, so I want the first excel to look like this, I am new to excel. Any help on this will be highly appreciated.
How can I find out the password complexity policy?
A user tries to change his/her password in a Windows domain and it's not accepted: The password supplied does not meet the minimum complexity requirements How can an end-user find out what the requirements are? (The obvious solution would be to contact IT but let's say it's not possible)
How to tar/untar the output on the fly
What is the idiomatic way to do the following tar to stdout read this tar output from stdout and extract to some other folder. My solution is But may be there is more idiomatic way to do it.
How to disable browser cache in Chrome
I don't even use this browser normally, just for testing purposes, and the directory size of "Chrome" in "AppData\Local\Google" is like 500 MB. Is there a way I can disable page cache in Chrome?
Is there a good DNS server I can install on Windows 7 for a LAN?
I have a few computers on my LAN, and now I'm getting tired of remembering the IP addresses all the time, so I would like to start using DNS names on my LAN. I have a heterogeneous network with Windows 7, Ubuntu, Mac OS X and Android. Is there a free DNS server software that is easy to setup on Win…
Is there a tool that can detect (and if possible, fix) glitches in MP3 files?
My collection contains some MP3s which have some glitches like: displaying the wrong duration on loading minor jumps suddenly ending despite the duration claims another minute remaining noise I'm looking for a tool that can detect as many of these glitches as possible and fix those that can be fixe…
What is OpenStack? And how can it be used?
What is OpenStack? I have tried to understand what OpenStack is but I can't penetrate the shield of marketing buzz words that surrounds everything that is called "the cloud". I would be happy if someone could give me a practical example on how this "tool" could be used.