100%
30.11.2025
Destination MAC address
Listing 1
Nemesis arp Packets
01 $ while true
02 > do
03 > sudo nemesis arp -v -r -d eth0 -S 192.168.1.2 -D 192.168.1.133 -h 00:22:6E:71:04:BB -m 00:0C:29:B2 ... 6
98%
30.11.2025
is adding these entries to the Cobbler database. A typical example looks something like Listing 1.
Listing 1
System Settings
01 # cobbler system add --name=foo --profile=ksprofile-devel-rhel6 ... 6
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30.11.2025
from compromised systems is John the Ripper (John). John is a free tool from Openwall [1]. System administrators should use John to perform internal password audits. It's a small (<1MB) and simple ... 6
62%
30.11.2025
the 4,000,000,000 inhabitants of this continent who are affected by the scarcity of IPv4 addresses – and who are thus the earliest adopters of IPv6. This situation will mainly relate to your web offerings ... If you run a web server and a mail server and anticipate that users from Asia are headed towards your dedicated server, it's time to get it ready for IPv6. ... Servers with IPv6 ... Workshop: Getting web and mail servers ready for IPv6
47%
30.11.2025
. 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 ... vSphere 5 vs. XenServer 6
31%
30.11.2025
the biggest rentable cloud today: the Amazon Web Service. On the basis of this extremely mature technology, Citrix launched version 5.6 of its XenServer product family in May 2010. XenServer, the product built ... Version 5.6 of Citrix XenServer is a feature-stripped version of the virtualization product and is available free, in addition to the commercial Advanced, Enterprise, and Platinum editions.
29%
30.11.2025
single files across multiple storage nodes. Lustre [5] and Ceph [6] are popular examples of this technology.
Before you can set up a cluster filesystem based on shared disks, you need to look out ... The vanilla kernel includes two cluster filesystems: OCFS2 has been around since 2.6.16 and is thus senior to GFS2. Although OCFS2 is non-trivial under the hood, it is fairly simple to deploy.
28%
30.11.2025
InfiniBand for the compute node storage traffic or will GigE or 10GigE be sufficient? Should I use 15,000rpm drives or 7,200rpm drives? Do I need SSDs (solid state drives)? Which filesystem should I use
27%
30.11.2025
Purchase
Upgrade
Direct Costs (Euros)
Hardware and Installation
Hardware
6,000
2,250
Installation and integration
840
945
Disposal
26%
30.11.2025
scalability in particular: From environments with 200 systems in small to medium-sized enterprises through 70,000 interfaces in an enterprise environment, OpenNMS [1] scales without any problems, says