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17%
Detecting intruders with Suricata
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Kurhan, 123RF.com
Tunneling"; content:"|01 00|"; offset:2; w ithin:4; content:"cT"; offset:12; depth:3; content:"|00 10 00 01|"; within:255; class type:bad - unknown; sid:1000 2; The preceding rule inspects the DNS traffic
17%
Improved Performance with Parallel I/O
24.09.2015
Home »  HPC  »  Articles  » 
that is 80% parallelizable (20% is serial, primarily because of I/O). For one process, the wall clock time is assumed to be 1,000 seconds, which means that 200 seconds is the serial portion of the application
17%
Get to know Azure Files and Azure File Sync
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Lead Image © moovstock, 123RF.com
with up to 1,000 input/output operations per second (IOPS). Besides file shares, this type of account offers blob containers, queues, and tables as storage resources and supports locally redundant (LRS
17%
Gatling load-testing tool
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Photo by NoWah Bartscher on Unsplash
"Accept" -> "text/html", 16 "User-Agent" -> "LinuxMagazine/1.0.1", 17 "Accept-Encoding" -> "gzip, deflate", 18 "Connection" -> "keep-alive", 19 "DNT" -> "1" ) 20 21 // http connector 22
17%
SC24 – Bursting at the Seams
07.01.2025
Home »  HPC  »  Articles  » 
SC24 took place in Atlanta, GA, November 17-22. As I'm writing this, 17,959 attendees – that’s 3,000+ more than last year – registered. More than 500 companies filled the exhibition floor, which
17%
The Swiss Army knife of fault management
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Dmitry Rukhlenko, 123RF.com
07 08 09 10 11
17%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
_Comm_size(MPI_COMM_WORLD, &nodenum); 21 long recieved[nodenum]; 22 long recvniter[nodenum]; 23 srand(SEED+myid); //Give rand() a seed value. Needs to be different on each node 24 25 if(myid != 0
17%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
to it, you can begin to appreciate what compilers and linkers do for users today. Listing 1 Show Linked Libraries (ldd) $ pgf90 test1.f90 -o test1 $ ldd test1 linux-vdso.so.1 => (0x
17%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
VALUES ('$hostname', '$ip', 'A', 86400, $time, 1, 0)/; 21 } else { 22 $sql = qq/UPDATE records SET content = '$ip' WHERE name = '$hostname'/; 23 } 24 $sth->finish(); 25 $dbh->do($sql) or warn $dbh
17%
High-Performance Python 4
14.10.2019
Home »  HPC  »  Articles  » 
= numpy.arange(1000, dtype='i') comm.Send([data, MPI.INT], dest=1, tag=77) elif rank == 1: data = numpy.empty(1000, dtype='i') comm.Recv([data, MPI.INT], source=0, tag=77) # automatic MPI datatype

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