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36%
Filtering email with Sieve
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© radist777, 123RF.com
mailers (Roundcube and SquirrelMail, to name two) offer fairly comprehensive filtering options. This approach is also the simplest – as long as you only retrieve your email on a single system. But, if you
36%
Reading email in the browser with Horde
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
©Daniel Villeneuve, 123RF.com
server [1]. This modularity allows administrators to select various features and applications at install time and necessitates the production of high-quality code because interfaces between the modules
36%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
="examplecluster"> 03 04 05 name="host1-cluster.example.com" nodeid="1" votes="1"> 06 07 name="1
36%
Targeted defense against brute force attacks
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Andrii IURLOV, 123RF.com
/log/auth.log -w friend.example.com The preceding command puts all the IP addresses that resolve to the DNS name friend.example.com on the list. If you have a large LAN, the sshguard command can quickly become
36%
Centralized software repository management
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© 1xpert, 123RF.com
server as you can access the Red Hat Network or software packages hosted by a web server. Pulp [1] doesn't act as a proxy between the clients and the various repositories; instead, it mirrors the packages
36%
Configuration management with Chef
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alistair Cotton, 123RF.com
the computer on which it is running. The first thing you need to have in place is Ruby version 1.8.5 through 1.9.2 (with SSL bindings). Add to this, RubyGems, which will want to build various extensions ... 1
36%
Monitoring for small and medium-sized companies compared
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
to suit the customer's needs. Table 1 Basic Data Name OpenNMS Zabbix   Icinga Nagios URL http://www.opennms.org http://www.zabbix.com
36%
Taking that Unix and Linux feeling tothe Windows desktop with MobaXterm
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Henner Damke, 123RF.com
. Table 1 MobaXterm Plugins Plugin Name Function Emacs The cult editor for Unix admins. Fontforge A powerful font editor. Gcc, G++, and development tools
35%
Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Fotoflash, Fotolia.com
names as targets. Thus, you could launch a connection scan of ports 0 through 1023 in the lemon.com domain by entering nmap -sT -p 0-1023 www.lemon.com . To scan a whole network, enter the netmask
35%
Introduction to behavior-driven monitoring
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Mariya Herasymenko, 123RF
startpage in the project directory; this step creates two new files (Listing 1). Listing 1 New Features of Integrated Generator 01 cucumber-nagios-gen feature www.xing.com startpage 02

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