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81%
Intrusion detection with Prelude
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Chittima Kasa, 123RF.com
went to press. I installed Prelude on Debian Squeeze (6.0) and Ubuntu 11.10 for this article. Seeing Past False Positives SIEM systems are, without a doubt, an important component of any modern
81%
Script utilities in depth: grep, awk, and sed
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© jirkaejc, 123RF.com
/share/zoneinfo -type f | \ 07 grep -v 'posix|right|Etc|SystemV | \ 08 grep -i $city` 09 echo -n "Time in $1: "; TZ=`echo $z` date The first section of this code ensures that the script's argument
80%
Sys Admin On the Go
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Laurent Davoust, 123RF.com
\@mydomain.com"; 06 07 while(<>) { 08 if ( /^From:/ ) { 09 `sudo /etc/init.d/gdm restart` if ( /$legit_sender/ ); 10 exit 0; 11 } 12 } Two final authorization changes are needed to make ... 0
80%
Monitoring for small and medium-sized companies compared
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
, POP3, or DNS. Thanks to its integrated SNMP trap and Syslog receiver, OpenNMS is capable of implementing centralized logging. Performance data can be collected via SNMP, WMI, HTTP, JMX, JDBC
80%
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
80%
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
80%
Single sign-on with SSSD, LDAP, and Kerberos
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Anja Kaiser; Fotolia
posixaccount /etc/dirsrv/schema/10rfc2307.ldif objectClasses: ( 1.3.6.1.1.1.2.0 NAME 'posixAccount' DESC 'Standard LDAP objectclass' SUP top AUXILIARY MUST ( cn $ uid $ uidNumber $ gidNumber $ home
80%
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
80%
Building more efficient database applications with a graph database
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Jakub Krechowicz, 123RF.com
comparison in Table 1. Table 1 Five Graph Databases Name Neo4j 1.6 Sones Graph DB 2.0 InfoGrid 2.9.5 HyperGraphDB 1.1 VertexDB Homepage http
80%
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

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