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16%
Build a honeypot with real-world alerts
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Bruce Rolff, 123RF.com
. The takeaway is the -j LOG option (line 12), which logs port scanning behavior to a logfile with the iptables: prefix. Listing 1 iptable Rules 01 *filter 02 *filter 03 :INPUT ACCEPT [0:0] 04
16%
Arp Cache Poisoning and Packet Sniffing
05.09.2011
Home »  Articles  » 
 
can see how the arp cache poisoning works: $ sudo nemesis arp -v -r -d eth0 -S 192.168.1.2 \ -D 192.168.1.133 -h 00:22:6E:71:04:BB -m 00:0C:29:B2:78:9E \ -H 00:22:6E:71:04:BB -M 00:0C:29:B2:78:9E
16%
Monitor your network infrastructure with SNMP
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © lightwise, 123RF.com
or humanly readable; for example, iso.org.dod.internet.mgmt and 1.3.6.1.2 refer to the same object, and they can be used as equivalents in queries. SNMPv1 and SNMPv2 use what are known as "communities
16%
More Small Tools for HPC Admins
16.11.2017
Home »  HPC  »  Articles  » 
scrolling terminal output. For a quick example, the simple command $ watch -n 1 uptime tells watch to run a command (uptime ) every second (-n 1 ). It will continue to run this command forever unless you
16%
Tuning I/O Patterns in Fortran 90
04.12.2013
Home »  HPC  »  Articles  » 
3 type rec 4 integer :: x, y, z 5 real :: value 6 end type rec 7 8 integer :: counter 9 integer :: counter_limit 10 integer :: ierr 11 12 type (rec) :: my
16%
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
.4 PHP 5.4 web 12 zend-6.1 PHP 5.4 with Zend Server 6.1 web 13 python-2.6 Python 2.6 web 14 python-2
16%
New Products
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
Platform (HDP) 1.2 that lets users investigate and evaluate Apache Hadoop projects, such as Apache Pig, Apache Hive, Apache HCatalog, and Apache HBase, in an isolated protected environment. You can download
16%
Correctly integrating containers
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Beboy, Fotolia.com
solutions are not good; however, introducing only the projects mentioned here [2] would probably fill an entire ADMIN magazine special. Before version 1.7, Kubernetes only implemented IPv4 pervasively. IPv6
16%
Persistent Memory
14.01.2016
Home »  HPC  »  Articles  » 
DRAM. At the extreme, you can pretty much buy systems with 1-2TB of memory, but you probably don't buy too many of them because of cost. Typical compute nodes are in the 64-256GB range. Persistent memory
16%
Automation with Chef
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by Pablo Bustos on Unsplash
) components. Chef automatically selects the correct procedure depending on the identified platform. When this article went to press, Chef Infra Client supported a total of 167 different resources across 12

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