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Published on 2010-06-14T06:48:30Z
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How to create a new environment variable in unix and use it in a program??????
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Is it possible to do the following using 1 polkit .pkla file?
Disable all users except those in the wheel group from using polkit.
The users in the wheel group will need to provide the root password when using polkit.
/etc/polkit-1/localauthority/50-local.d/wheel-only.pkla
[disable all users…
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I have a process (dbus-daemon) which has many open connection over UNIX sockets. One of these connections is fd #36:
=$ ps uw -p 23284
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
depesz 23284 0.0 0.0 24680 1772 ? Ss 15:25 0:00 /bin/dbus-daemon --fork…
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I've been using Linux for a couple of years now but I still haven't figured out what the origin or meaning of some the directory names are on Unix and Unix like systems. E.g. what does etc stand for or var? Where does the opt name come from?
And while we're on the topic anyway. Can someone give a…
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Hi All,
I am beginner to UNIX,UNIX Shell Scripting.
Can you please guide me through any excellent sites for unix(which are easy to understand),some study materials(tutorials),video tutorials.
Please help!!
Thanks!
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Is Mac OS X developed on a licensed Unix or is it a Unix-like clone that, unlike Linux, conforms to Unix specification well enough to be registered as a Unix OS. Not until Leopard, Mac OS X did not gain the Unix certification. But in Leopard, Terminal still print:
GNU bash, version 3.2.48(1)-release…
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Hi,
I’ve run into a bit of a situation with Windows environment variables. I’ve narrowed it down to what may or may not makes sense and/or possibly be by design. It seems that expandable-string environment variables of the local machine cannot reference environment variables of the current user.
For…
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Why is it that instance variables are initialised to default values while local variables aren't?
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In python, there is no way to differentiate between arguments, local variables, and global variables. The easy way to do so might be have some coding convention such as
Global variables start with _ and capital letter
arguments end with with _
_Global variable = 10
def hello(x_, y_):
z =…
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In python, there is no way to differentiate between arguments, local variables, and global variables. The easy way to do so might be have some coding convention such as
Global variables start with _ and capital letter
arguments end with with _
_Gvariable = 10
def hello(x_, y_):
z = x_ + y_
Is…
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as seen on Stack Overflow
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Say I declare a header file with a variable:
int count;
Then in the source file, I want to use count. Do I have to declare it as:
extern int count
Or can I just use it in my source file? All assuming that I have #include "someheader.h". Or should I just declare it in the source file? What is…
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