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17%
The fine art of allocating memory
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
at allocation time. Only memory pages in actual use ("dirty") are backed by physical RAM, so the program shown in Listing 1 will have no trouble allocating 3GB of memory on any current machine, almost
17%
Building more efficient database applications with a graph database
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Jakub Krechowicz, 123RF.com
://neo4j.org http://www.sones.de/static-en/ http://www.infogrid.org http://www.hypergraphdb.org http://www.dekorte.com/projects/opensource/vertexdb/ License GPLv3
17%
Time-series-based monitoring with Prometheus
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
such as containers. In native cloud environments, Prometheus [3], with its time series database approach, has therefore blossomed into an indispensable tool. The software is related to the Kubernetes [4] container
17%
Graph database Neo4j discovers fake reviews on Amazon
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Image by Gerd Altmann from Pixabay
{name: 'reviewed'}]-(product1) 06 MERGE (reviewer3:Reviewer {name:'reviewer3'}) 07 MERGE (reviewer3)-[:Reviewed {name: 'reviewed'}]-(product1) 08 MERGE (reviewer7:Reviewer {name:'reviewer7'}) 09 MERGE
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
(instead of containers) to separate the different virtual machines securely. OpenShift v3, which is still in beta and was presented at DevConf 2015 Figure 2 [3], integrates Docker technology and Google
17%
Getting started with the OpenStack cloud computing framework
28.06.2011
Home »  CloudAge  »  Articles  » 
 
) layer for the cloud, virtualizing the various hardware components and making them available through a standard API. The first OpenStack release (dubbed "Austin") became available October 22 [3]; The Open
17%
Sys Admin On the Go
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Laurent Davoust, 123RF.com
_check_interval 1 06 max_check_attempts 10 07 notification_period 24x7 08 notification_options c,r 09 contact_groups admins The notification interval (in minutes
17%
Improving Docker security now and in the future
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Sergey Nivens, 123RF.com
://en.wikipedia.org/wiki/Role-based_access_control Docker security plans: http://opensource.com/business/15/3/docker-security-future Content Trust: https://blog.docker.com/2015/08/content-trust-docker-1-8/ OCI: https
17%
Writing SELinux modules
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Amy Walters, 123RF.com
_conf_t; 04 } 05 allow certmonger_t pegasus_conf_t:file { 06 ioctl read getattr lock open 07 } ; 08 # make -f /usr/share/selinux/devel/Makefile mypegasus.pp 09 # semodule -i mypegasus.pp # sesearch
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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