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preserving the master boot record

Posted 11-21-2011 at 07:54 PM by neonsignal

The master boot record (MBR) from an unmounted drive can be preserved using dd. For example, boot from a live CD and copy the master boot record of the hard drive sda to a usb key mounted at /mnt/sdb1:
Code:
dd if=/dev/sda of=/mnt/sdb1/mbr.img bs=512 count=1
The MBR can be restored in a similar way. Be very cautious at this step, because the MBR typically holds the partition table and the initial boot loader stage, so a mistake can be difficult to recover from....
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Old

how to create pppoe dial up connection in redhat linux 6

Posted 11-21-2011 at 08:41 AM by pratham

Dear all,

I am created the dial up connection in gui mod but when i m trying to connecting not connect. I hav my cable net i have just username password and isp name tell me how i can do the dial in redhat linux 6 pls.
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Old

how to create pppoe dial up connection in redhat linux 6

Posted 11-21-2011 at 08:41 AM by pratham

Dear all,

I am created the dial up connection in gui mod but when i m trying to connecting not connect . I hav my cable net i have just username password and isp name tell me how i can do the dial in redhat linux 6 pls.
LQ Newbie
Posted in Uncategorized
Views 747 Comments 0 pratham is offline
Old

installing ns2.29 in fedora 13 successfully..

Posted 11-21-2011 at 06:31 AM by 02amol

i used ns-allinone-2.29.tar.gz and fedora 13 as the os:
here are the steps for successfull installation:

1. You need to edit two of your repository files: (1) /etc/yum.repos.d/fedora.repo and (2)
/etc/yum.repos.d/fedora-updates.repo. While editing comment (put #) all the lines that start with
'mirrorlist' and un-comment (delete #) all the lines that start with 'baseurl'. Save both the files and
close them.

2. Once the step given above...
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Views 6405 Comments 2 02amol is offline
Old

What is: Abstract base class, and Pure Virtual function - C++

Posted 11-21-2011 at 04:42 AM by TheIndependentAquarius
Updated 01-10-2012 at 08:17 AM by TheIndependentAquarius

  • In the cases where the derived classes may share the common functionality
    but with altogether "different" definitions, it makes sense to force the
    developers to create their own definitions for those common functions in
    concerned derived classes.
    This can be achieved by making the class "abstract".
  • A class is called an "abstract" class when it contains at least one "pure
    virtual
    " function.
  • A "pure virtual
...
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Views 1126 Comments 0 TheIndependentAquarius is offline

  



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