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18%
Tested: Autoconfiguring IPv6 clients
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Benis Arapovic, 123RF.com
The routing and addressing problem is nothing new in the IPv4 world. Version 6 of the Internet Protocol (IP), which is no spring chicken itself, was designed to help. This article investigates
18%
Introduction to OpenMP programming
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Frank Rohde, 123RF.com
've added a timing function [4] so I can easily check the wall clock time (how long it takes to run the application). Listing 1 is the serial code I used as a starting point. Listing 1 Jacobi
18%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
of this article, you can find this information elsewhere [4]. A History of Queue Theory The theory of queues is very young from a mathematical standpoint; less than 100 years, in fact. Agner Erlang
18%
Configuring Windows with NetShell
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Kirsty Pargeterr, fotolia.com
, you can change to the sub-context of a command. For example, the Interface context offers the ipv4 command. Again, the prompt shows you the level as netsh interface ipv4 when you switch to that context
18%
Practical SELinux
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Pavel Ignatov, 123RF.com
to the network is still possible via the HTTP port 80, but all other access is prohibited: $ ping 8.8.4.4 ping: icmp open socket: Permission denied $ nc -v aspmx.l.google.com 25 nc: connect to aspmx
18%
Introduction to LVM
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Dvarg, 123RF.com
this writes an LVM label and some metadata to the PV. The PV is divided up into units of the same size (4MB by default) known as physical extents (PEs). A PE is the smallest allocatable data volume. Figure 1
18%
Tuning your filesystem's cache
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
for the utilities there were cached. This is done via the mincore(2) system call [4], which was first introduced in 4.4 BSD but is not present in all *nix systems. It provides information on the page fault status
18%
New Products
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
 
display. But, the Iconia Tab A510 runs Android 4.0 Ice Cream Sandwich (ICS), which has been slightly customized by Acer to include a circular launcher. The front of the tablet features a 2Mpx camera
18%
A swap space primer
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
much variation is accepted across data center and cloud server platforms. Table 1 RHEL 6 Recommendations RAM Swap Space Up to 4GB 2GB 4GB to 16GB 4GB
18%
New Products
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
 
management engine with power optimization software, all on one piece of silicon. The EnergyCore SoC also includes a full complement of server I/O features and a large 4MB ECC L2 cache. To learn more, visit

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