Programmatically detect the block device by a given path in Linux [duplicate] - c

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Closed 8 years ago.
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Is there a Linux command to easily find out which partition/mount a directory or file is on?
(This is probably a RTM question, and I feel guilty for asking it, but somehow, I can't find a good answer on google just yet..)

df -P file/goes/here | tail -1 | cut -d' ' -f 1

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How to open big files in windows? [closed]

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Closed 2 years ago.
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I have to search and replace a text in a 2.5 GB database dump.
But notepad++ and editor can't open the file, because it is too big.
I have 16 GB RAM.
I've tried EmEditor, but it crashes on 1659 MB
I finally managed to open the file by using a hex editor (HxD).

How can I open a .nsi file? [closed]

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Closed 4 years ago.
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I have downloaded a .nsi file and now I have to launch this to get my missing Windows registry keys installed. I tried different things to open it but so far everything didnt work. Can anyone please tell me how to run this kind of files?
A .nsi file is an input to the process that creates an executable. You need the Nullsoft Scriptable Install System compiler: https://nsis.sourceforge.io/Download
More info: https://nsis.sourceforge.io/Simple_tutorials

echo %path% is not working in windows 8 [closed]

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Closed 5 years ago.
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Could someone please tell me how to fix it?
The problem would appear to be <Java Home>.
echoing this would attempt to read from a file named Java.
In all probability, you need to change it to %java home%

I would like to password protect my .txt file [closed]

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Closed 6 years ago.
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I would like to password protect my .txt file that has account names and passwords for my program. I know how to encrypt, but I want it to ask every time for a password. By the way, I am using windows. I preferably would not like to download a program however if it is the only option that is fine.
Found this:
https://www.axcrypt.net/
Think that should do the trick.
If you don't mind using Python https://cryptography.io/ is also an option.

C using dig in ubuntu DNS [closed]

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Closed 7 years ago.
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I'm trying to make a DNS in Ubuntu and sometimes I have to use the dig command(I'm using test=system("dig www.google.com")
How can I get the IPv4 from the return of the dig command to them be able to use it?
Do you mean "make a DNS lookup"? If so, try the functions gethostbyname and gethostbyaddr. This is much more efficient than dig.
Or do you specifically want the output of dig? If so, use popen().

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