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76%
Sys Admin On the Go
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Laurent Davoust, 123RF.com
\@mydomain.com"; 06 07 while(<>) { 08 if ( /^From:/ ) { 09 `sudo /etc/init.d/gdm restart` if ( /$legit_sender/ ); 10 exit 0; 11 } 12 } Two final authorization changes are needed to make ... 0
76%
Server virtualization with VirtualBox
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Federico Caputo, 123RF.com
, Mac OS X, and Solaris), and it supports a wide number of guest systems, including exotics such as DOS/WIN 3.1 and OS/2. Installing VirtualBox is easy on any platform because it usually only involves
76%
The RADOS object store and Ceph filesystem
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Brigida Soriano, Fotolia.com
would be to define an ID for this node. In this example, IDs 0 through 3 are already assigned, and the new node would have an ID of 4, so you need to type: ceph osd create 4 Then you need to extend
76%
An IP-based load balancing solution
30.11.2025
Home »  CloudAge  »  Articles  » 
arsgera, 123RF
and least connected, and they are also the most commonly used in LVS clusters. Configuration Piranha [3] is a clustering product from Red Hat based on the LVS concept. It includes the IPVS kernel code ... 3
76%
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 ... 3
75%
Port-based access protection with NAP and 802.1X
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© PAnja Kaiser, Fotolia.com
Switch(config)# dot1x system-auth-control 06 Switch(config)# radius-server host 10.1.1.1 key V@rYseCre!t 07 Switch(config)# interface fastethernet0/1 08 Switch(config-if)# switchport mode access 09 Switch
75%
Bundle your custom apps in a Debian package
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Cathy Yeulet, 123RF.com
/www/index.html. Listing 1 Control Files Package: myserver Version: 0.0.1 Section: server Priority: optional Architecture: all Essential: no Installed-Size: 1024 Maintainer: Dan Frost [dan@3ev.com] Description: My
75%
Remote Desktop with UltraVNC
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Anthony DOUANN, 123RF
a Windows desktop from a non-Windows client and also require a functional scope that goes beyond that of other remote access solutions, UltraVNC [3] is well worth investigating. UltraVNC UltraVNC, which
75%
Reading email in the browser with Horde
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
©Daniel Villeneuve, 123RF.com
of Germany's largest providers, domainFACTORY, offers hosting packages of this kind. An alternative is appliance solutions, such as the Univention Groupware Server. In the latest version 3.0, Univention comes
75%
Protecting web servers with ModSecurity
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© KrishnaKumar Sivaraman, 123RF.com
://www.modsecurity.org/documentation/modsecurity-apache/2.5.0/html-multipage/processing-phases.html ModSecurity Actions: http://www.modsecurity.org/documentation/modsecurity-apache/1.9.3/html-multipage/05-actions.html ModSecurity Variables: http

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