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100%
Creating KVM machines with BoxGrinder and VMBuilder
31.10.2025
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© yewkeo, 123RF.com
can run the virt-clone command in the shell: virt-clone --original userver5 \ --name userver6 --file \ /var/lib/libvirt/images/userver6.img virt-clone creates a new XML definition file
90%
Netcat – The admin's best friend
31.10.2025
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© Dmitry Rukhlenko, 123RF.com
of things relating to TCP and UDP since its inception. These days, it handles IPv6 as well as IPv4 beautifully. Its astounding versatility means that integrating it with scripts is a veritable piece of cake
90%
Give your servers the once over with Nmap
31.10.2025
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© ragsac, 123RF.com
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp
90%
Dynamic routing in Linux with Quagga
31.10.2025
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© petrol, 123RF.com
], Open Shortest Path First (OSPF) [5] [6], Border Gateway Protocol (BGP) [7], and Intermediate System to Intermediate System (IS-IS) [8] – and it modifies the kernel routing table on the routes it learns
89%
Creating and evaluating kernel crash dumps
31.10.2025
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© Giuseppe Ramos, 123RF.com
of a full-fledged VMware workstation installation. Users who are prepared to experiment can simply copy the tool to a computer of their choice and convert the image there. The vmss2core -N6
89%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
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© Franck Boston, fotolia.com
:images/Iomega.png @BI:images/Thecus.png @BI:images/Buffalo.png @BI:images/Netgear.png Model TS-879 Pro DS2413+ StorCenter px6-300d N6850 TeraStation 5800
86%
Managing virtual infrastructures with oVirt 3.1
31.10.2025
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© Kheng Ho Toh, 123RF.com
be downloaded as a 172MB evaluation version from Red Hat, but it can also be, says Red Hat, RHEL 6 (and thus also CentOS 6) or Fedora 17. The hardware recommended by Red Hat is a dual-core server with 16GB of RAM
84%
openlava – Hot resource manager
31.10.2025
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© Konrad Bak, 123RF.com
a nice mailing list, and the developers make binaries available for major distributions such as Red Hat 5 and 6, CentOS 5 and 6, and openSUSE. Although openlava is tremendously easy to install, you have
81%
Linux small business servers compared
31.10.2025
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© Umzugskartons, fotolia.
. Unfortunately, version 2.2, available since September 2011, is no longer up to date as far as software packages are concerned, which in some cases could lead to weaknesses in security. Version 2.2 runs on top
81%
Remote desktop based on HTML5
31.10.2025
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© Phanlop Boonsongsomnukool, 123RF.com
the AGPLv3 and, in the current version 0.6.2, supports VNC and RDP  – although with limited functionality in some cases. For example, you cannot transmit audio data or connect network drives over RDP

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