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  • [x] Creation time: Last year
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  • Article (Print) (71)
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43%
Intrusion detection with Prelude
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Chittima Kasa, 123RF.com
(/etc/apache2/sites-enabled/000-default). Additionally, the ServerName directory is not set by default on Ubuntu. For a ModPython setup, you also need to remember to install the libapache2-mod
43%
Effective honeypots with sensors on production systems
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© monophoto, 123RF.com
exploded in recent years. (From AV-TEST Institute [2], which registered more than 55,000 malicious programs every day.) Although regular updates of signature databases used in virus scanners
43%
A free anti-spam tool for Exchange environments
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© baurka, 123RF.com
it to internal email servers. However, you will not want to choose this approach if your server needs to process more than 5,000 pieces of email a day. Scanning for viruses and spam consumes a fair amount
43%
vSphere 5 vs. XenServer 6
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Kozinia, 123RF.com
. The smallest configuration "Essentials Kit" is for three hosts (without HA) with two CPUs each and 192GB of VRAM: ~US$ 500 dollars plus US$ 65 or 300 dollars annual support. Prices range up to US$ 22,000
43%
Identify troublesome energy consumers with PowerTOP
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Elena Elisseeva, 123RF.com
of 1,000Hz. On each tick, the kernel wakes up the processor and checks for any work to do. This approach obviously limits power savings. Starting with kernel 2.6.21, however, regular ticks are gone
43%
Service management by the book
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Michael Flippo, Fotolia.com
is unlimited, allowing flexibility while your help desk grows. The TOPdesk Professional basic license starts at 250 supported end users and can be extended with an end-user license up to 500, 1,000, 1
43%
QoS Systems for Disaster Recovery Support
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Lead Image © crazymedia, 123RF.com
and two 10Gbps interfaces. Despite the high port density, resource requirements are quite moderate: 4GB of RAM is all you need for approximately 1,000 users. In principle, LibreQoS can also be run on other
43%
Virtualization via Zones
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Pei Ling Hoo, 123RF.com
Completed 37/37 5598/5598 32.52/32.52 17 18 PHASE ACTIONS 19 Install Phase 7329/7329 20 21 Note
43%
Monitoring server hardware with the Nagios IPMI plugin
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Vladimir Nenov, 123RF.com
to analog (threshold) sensors in a reliable way. FreeIPMI is now included by an growing number of Linux distributions, such as RHEL/Cent OS as of version 5.2, Ubuntu as of version 10.04, and Debian Squeeze [2
43%
Data acquisition with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Dmitriy Syechin, 123RF
|21|" | cut -d\| -f3` 48 b=`cat $newdat | grep "50|25|" | cut -d\| -f3` 49 50 a=$(echo $a | tr \, \.) 51 b=$(echo $b | tr \, \.) 52 53 54 psum=$(echo "$a+$b" | bc ) 55 echo -n "Invoice amount: $psum, continue

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