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70%
Introduction to OpenMP programming
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Frank Rohde, 123RF.com
(MOD(iter,10)==0) WRITE(*,"('iter,diff:',i6,e12.4)") iter,diff 145 146 ! Update solution 147 DO j=2,m-1 148 DO i=2,m-1 149 u(i,j) = unew(i,j) 150 ENDDO 151 ENDDO 152 ENDDO 153 154 CALL ... 12
70%
Time flies, but it can still be measured
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
4 block output operations 0 messages sent 0 messages received 0 signals received 4 voluntary context switches 6 involuntary context switches ... 12
70%
New Products
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
 
-port, hot-swappable 6Gbps SAS disk drives, dual controllers with up to 180TB of capacity, and 8GB of cache in a 2U 19-inch rackmount enclosure. Additionally, Storwize V3700 features a new FlashCopy function ... 12
70%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
of things relating to TCP and UDP since its inception. These days, it handles IPv6 as well as IPv4 beautifully. Its astounding versatility means that integrating it with scripts is a veritable piece of cake ... 12
70%
Using Expect scripts to automate tasks
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Kheng Ho Toh, 123RF.com
12 # quickly" after prompts. If you find your new script hanging up at 13 # one spot, try adding a short sleep just before the previous send. 14 # Setting "force_conservative" to 1 (see below) makes ... 12
20%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
.X (89%), Sphairon embedded (89%) OS fingerprint not ideal because: Missing a closed TCP port so results incomplete Aggressive OS guesses: Linux 2.6.19 - 2.6.31 (97%), Asus WL-500gP wireless broadband
20%
Our Technological Enlightenment
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© lightwise, 123RF.com
the numbers, sizes, capacities, and prices of the 1990s with those of today. For example, in 1995, a 500MB hard disk was considered large; today, my iPhone 4 has a 16GB capacity, of which I have just over 6GB
19%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
, followed by an installation guide using a virtual instance of Ubuntu 12.04 as an example. Then, I'll demonstrate the main administration tool. Following this, the root filesystem on a test system
18%
Moving HPC to the cloud
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Zarko Cvijovic, 123RF.com
of options, including dual four-core Xeon, dual six-core Xeon, or quad 12-core AMD processors ranging in speed from 2.2 to 2.9GHz with 24 to 128GB of RAM per server and up to 1TB of scratch local storage per
18%
Programming with Go
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Dimitar Dimitrov, 123RF.com
recent Linux distributions already have it in their package management systems. To install on Ubuntu 12.04, type: apt-get install golang Other operating systems, including Mac and Windows, have binary

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