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Published on 2010-05-11T12:56:52Z
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2010/05/11
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The function which creates shared memory in *inux programming takes a key as one of its parameters..
What is the meaning of this key? And How can I use it?
Edit:
Not shared memory id
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I've got a problem with apt-get update and apt-get install ... commands .
every time update or installing fails and errors are :
Get:1 http://dl.google.com stable Release.gpg [198B]
Ign http://dl.google.com/linux/chrome/deb/ stable/main Translation-en_US
Get:2 http://dl…
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sh@ubuntu:/home/ccpp/helloworld$ make
gcc-4.6 -O2 -DMODULE -D_KERNEL_ -W -Wall -Wstrict-prototypes -Wmissing-prototypes -isystem /lib/modules/`uname -r`/build/include -c -o hello-1.o hello-1.c
hello-1.c:4:0: warning: "MODULE" redefined [enabled by default]
<command-line>:0:0: note: this is…
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I am having trouble accessing the several critical header files that show to be a part of the build process.
The "Ubuntu Software Center" shows "Build Essentials" as installed:
Next I did the following two commands, which did not improve the problem:
~$ sudo apt-get install build-essential
[sudo]…
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I'm trying to update my Debian machine to 2.6.32-46 (which is the new stable). However, after doing apt-get update my apt-cache search linux-image shows me:
linux-headers-2.6.32-5-486 - Header files for Linux 2.6.32-5-486
linux-headers-2.6.32-5-686-bigmem - Header files for Linux 2.6.32-5-686-bigmem
linux-headers-2…
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I'm helping out with a project for an embedded device that only has USB and no serial. This device is running Linux.
These days, when we need to connect to a serial port on a device we typically use a USB to serial adapter (on something like a phone system or a load balancing device, etc). I would…
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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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