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16%
Monitoring for small and medium-sized companies compared
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
: 512MB From 16MB for the application   From 32MB (ARM CPU) - Disk Space: 8GB From 32MB, depending on the volume of data logged   From 50MB
16%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
Scenarios: 21 cucumber /usr/lib/nagios/plugins/cucumber-nagios/checks/features/www.xing.com/startpage.feature:4 # Scenario: Visiting home page 22 23 1 scenario (1 failed) 24 4 steps (1 failed, 3 skipped) 25 0
16%
Clustering with OpenAIS and Corosync
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
brunoilfo, 123RF.com
Suite (RHCS) and use CMAN as their Cluster Manager. Depending on the version you use, the implementation will look total different. The initial variant (version 1.0) included with RHEL 4 or very old
16%
Network analysis with Wireshark
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Reinhard Eisele
to many administrators by that name. The tool was renamed when version 0.99.1 of Wireshark was released, because Ethereal developer Gerald Combs left Ethereal Software. He launched a successor project under
16%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Maxim Borovkov, 123RF.com
were delivered as part of the RHCS scope. Thus, up to RHCS 3.0, everything was fine if you wanted Pacemaker and GFS to cooperate. But Red Hat changed its policy in Red Hat Cluster Suite 3.1, deciding
16%
Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Fotoflash, Fotolia.com
a packet to one of 2^16 available ports. TCP and UDP ports allow the operating system to map a packet to a specific service. The 65,535 available ports are divided into three groups: ports numbered 0 ... 0
16%
Using the Expect scripting environment
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Ivan Mikhaylov, 123RF.com
Connection 01 #!/usr/bin/expect 02 03 set host [lindex $argv 0] 04 set timeout 5 05 spawn /usr/bin/ssh aefrisch@$host 06 expect "(yes/no)? " { 07 send "yes\r" 08 } 09 expect "password:" 10 send
16%
Configuration management with Chef
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alistair Cotton, 123RF.com
server also requires Sun Java SDK version 1.6.0. Some distributions keep this package in an external or special repository. On Debian, you need to enable the non-free package source; on Ubuntu 10.04, you
16%
Avoiding common mistakes in high-performance computing
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Maxim Kazmin, 123RF.com
16 into offset hole 22, your new furniture might never live up to your expectations. Additionally, integrating the furniture into an existing room could be a challenge. Forgetting that the new surround
16%
Julia: A new language for technical computing
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
.33 164.69 0.75 rand_mat_stat 3.37 39.34 11.64 54.54 22.07 8.12 rand_mat_mul 1.00 1.18 0.70 1.65 8

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