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100%
Demystified: The facts about green IT
30.11.2025
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Iakov Kalinin, 123RF
of the hardware, which would make purchasing new machines at more than EUR 17,000 more expensive than upgrading (Table 3). Table 3 TCO for Small Business   Purchase Upgrade ... 3
98%
The next generation of Internet connectivity
30.11.2025
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ktsdesign, 123RF.com
: address space. In theory, IPv4 has about 4.3 billion usable addresses; however, in practice many cannot be used (i.e., all of 127.* is reserved for your local link, 10.* is reserved for internal networks ... 3
25%
Checking password complexity with John the Ripper
30.11.2025
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crack attempt using the supplied password list file, password.lst. This list contains more than 3,000 commonly used passwords (Listing 2). Listing 2 Cracking with the Password List File 01
25%
An IT nomad's daily diary
30.11.2025
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© Kateryna Pruchkovska, 123RF.com
magazine [3]. In other words, the many Cobbler system records are really the biggest problem. Just to jog your memory: Using system records, Cobbler can create an individual PXE configuration file for each
25%
Server virtualization with Citrix XenServer
30.11.2025
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Goss Vitalij, Fotolia
processor cores. Depending on the functional scope, the prices are between US$ 1,000 and US$ 5,000, including 12 months of free upgrades, news, and information. For server virtualization newcomers, Citrix
24%
vSphere 5 vs. XenServer 6
30.11.2025
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© Kozinia, 123RF.com
[2] by VMware started to move into the server racks in the summer of 2011, but while I was researching this article, Citrix suddenly burst onto the scene with the XenServer 6.0 release [3
24%
Fast system management from Puppet Labs
30.11.2025
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© Artmann Witte, fotolia.com
is capable of executing jobs at a very high speed. I have used the framework in an environment with more than 3,000 systems; running a job on all of the nodes rarely took more than 30 seconds. YAML
23%
High availability clustering on a budget with KVM
30.11.2025
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Yulia Saponova, 123RF.com
" domain="kvm-node1"/> 47 48 49 50 51 --> 52