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77%
Dispatches from the world of IT
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
 
organizations do conduct mobile Quality Assurance (QA), they focus on performance (64 percent) and functionality (48 percent), more than security (18 percent). The report showed that 51 percent of businesses
77%
Successful automatic service detection
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Dmitriy Denysov, 123RF.com
to find out more details about specific services. Listing 1 Nmap Command root@sandbox:~# nmap -v -A www.haribo.de ... Host www2.haribo.com (213.185.81.67) is up (0.011s latency). Interesting
77%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
seconds, for example: # nc -p 16000 -w 30 examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -s 1.2.3
77%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
the explain plan for command in combination with the DBMS_XPLAN.DISPLAY function call (see Example 1). Example 1: Oracle Execution Plan 01 SQL> explain plan for<+>1<+> 02 2> SELECT * 03 3> FROM sales
77%
Security without firewalls
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© rukanoga, 123RF.com
/24, \ 1.2.3.4/32, 21.21.21.0/19 IP addresses hosts.allow can be set to accept connections from hostnames, too. One example might be ALL: *.domain.tld or you might have an administrative group
76%
Moving HPC to the cloud
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Zarko Cvijovic, 123RF.com
, or spot purchase of resources. Generally, the cost for on-demand EC2 instances are as follows: Quadruple Extra Large Instance is US$ 1.3/hour (US$ 0.33/core per hour), Eight Extra Large Instance is US$ 2

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