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22%
Moving HPC to the cloud
31.10.2025
Home
»
Archive
»
2012
»
Issue 11: Cloud...
»
of options, including dual four-core Xeon, dual six-core Xeon, or quad 12-core AMD processors ranging in speed from
2.2
to 2.9GHz with 24 to 128GB of RAM per server and up to 1TB of scratch local storage per
22%
Finding cracks with Nmap, Portbunny, and Nessus
30.11.2025
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»
Archive
»
2010
»
Issue 0: Active...
»
to popular ports, such as 80 (HTTP) or
22
(SSH), and pings. If Portbunny does not register a response to a port request, but the trigger packet reaches the target, it tags the port as filtered. Using Portbunny
22%
I/O benchmarks with Fio
30.11.2025
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»
Archive
»
2011
»
Issue 5: Pen Te...
»
and the average latency, that is, the time the disk takes to rotate through 180 degrees [
6
]. The data transfer rate is typically negligible for smaller I/O scales, as is the controller overhead. A Plethora
22%
Ceph Dashboard at a Glance
02.06.2026
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Archive
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2026
»
Issue 93 Disast...
»
in a short space of time. Object Storage Daemons (OSDs) [
6
], for example, can fail because the underlying drive has failed. In this case, placement groups [7] change their states, resulting in rebalancing
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