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17%
Visualizing time series data
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Maxim Kazmin, 123RF.com
application then grabs the data from this database and creates charts. The client can be programmed by the user or it can come as a prepared daemon (e.g., collectd [3]). If you like to measure your own
17%
hwloc: Which Processor Is Running Your Service?
07.11.2011
Home »  HPC  »  Articles  » 
GB) 03     Socket P#0 04       Core L#0 + PU L#0 (P#0) 05       Core L#1 + PU L#1 (P#2) 06       Core L#2 + PU L#2 (P#4) 07       Core L#3 + PU L#3 (P#6) 08   NUMANode P#1 (12GB) 09     Socket P#1 10
17%
Getting the most from your cores
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © ktsdesign, 123RF.com
, the exact details of these components varies from processor to processor, making CPU utilization comparison difficult. Current processors can have shared L3 caches across all cores or shared L2 and L1 caches
17%
Monitor your network infrastructure with SNMP
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © lightwise, 123RF.com
version is version 3. In contrast to its predecessors, SNMPv3 supports encrypted communication and secure authentication; however, many devices you can purchase today still only support SNMPv1 or SNMPv2
17%
Controlling Amazon Cloud with Boto
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Claudiarndt, photocase.com
free license from GitHub [3]. You can install the software using the Python Package Manager, Pip: pip install boto To use the library, you first need to generate a connection object that maps
17%
Exploring OpenShift – Red Hat's next-generation PaaS tool
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
(C) Markus Feilner, CC-BY-SA 4.0
.10 Node.js 0.10 web 09 perl-5.10 Perl 5.10 web 10 php-5.3 PHP 5.3 web 11 php-5
17%
Interprocess communication essentials in Perl
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Carsten Reisinger, 123RF.com
Child Read and Write 01 Use IO::Handle; 02 03 pipe(READHANDLE, WRITEHANDLE); 04 05 WRITEHANDLE->autoflush(1); 06 READHANDLE->autoflush(1); 07 08 if ($processed = fork) { 09 close(READHANDLE); 10
17%
Integrating AWS Cloud Services with Your Custom Apps
21.01.2014
Home »  Articles  » 
 = reservation.instances[0] 06  07 raw_input("Press ENTER to stop instance") 08  09 instance.terminate() For better orientation with a large number of instances, the Amazon Cloud provides tags. Thus, you can
17%
Best practices for KVM on NUMA servers
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Joe Belanger, 123RF.com
/libvirt/qemu/vm1.xml 02 73400320 03 8 04 05 06 07 08 09
17%
Protecting your web application infrastructure with the Nginx Naxsi firewall
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Pansiri Pikunkaew, 123RF
backend3.example.com server; 05 backend4.example.com server down; 06 backend5.example.com backup server; 07 } 08 09 upstream fallback { 10 fallback1.example.com server: 8081; 11 } 12 13 14 server { 15 % 16

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