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How many files can I put in a directory?
...too many, and what are the impacts of having too many files? (This is on a Linux server.)
21 Answers
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Upgrade python in a virtualenv
Is there a way to upgrade the version of python used in a virtualenv (e.g. if a bugfix release comes out)?
12 Answers
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Find where python is installed (if it isn't default dir)
Python is on my machine, I just don't know where, if I type python in terminal it will open Python 2.6.4, this isn't in it's default directory, there surely is a way of finding it's install location from here?
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Generating a SHA-256 hash from the Linux command line
I know the string "foobar" generates the SHA-256 hash c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2 using
http://hash.online-convert.com/sha256-generator
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How to loop over directories in Linux?
I am writing a script in bash on Linux and need to go through all subdirectory names in a given directory. How can I loop through these directories (and skip regular files)?
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Network usage top/htop on Linux
Is there a htop/top on Linux where I get to sort processes by network usage?
6 Answers
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Linux: copy and create destination dir if it does not exist
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This doesn't work on Mac OS X, so I guess it's Linux specific.
– olt
Nov 12 '12 at 16:13
7
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How can I copy the output of a command directly into my clipboard?
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I've created a tool for Linux/OSX/Cygwin that is similar to some of these others but slightly unique. I call it cb and it can be found in this github gist.
In that gist I demonstrate how to do copy and paste via commandline using Linux, macOS, and ...
Linux command to list all available commands and aliases
Is there a Linux command that will list all available commands and aliases for this terminal session?
20 Answers
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sizeof single struct member in C
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You are free to use FIELD_SIZEOF(t, f) in the Linux kernel.
It's just defined as following:
#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
This type of macro is mentioned in other answers. But it's more portable to use an already-defined macro.
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