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Goodbye virtual machines, hello microVMs
06.10.2022
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Photo by Eric Froehling on Unsplash
. Firecracker and Ignite Firecracker [3] is an open source virtual machine monitor created by Amazon Web Services (AWS) to accelerate its serverless offerings (e.g., AWS Lambda and AWS Fargate). It uses a Linux
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Distributed denial of service attacks from and against the cloud
14.11.2013
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Lead Image © leksustuss, 123RF.com
, the DDoS attack on Spamhaus was triggered by 36-byte data packets, each of which triggered a 3,000-byte response. Although a normal desktop PC can handle about 1,000 DNS requests per second, a single DNS
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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 ... vSphere 5 vs. XenServer 6
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How to configure and use jailed processes in FreeBSD
14.03.2013
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© Corina Rosu, 123RF.com
are available to let administrators manage jails on the host system [6]. Here's a brief look: jail [-i] [-l -u | -U ] : Starts a jail
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Parallel Shells: Run Commands on Multiple Nodes
02.07.2014
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to do on a single node can be done on a large number of nodes using a parallel shell tool. If you try to use a parallel shell on a 50,000-node cluster, however, the time skew could be large enough
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Operating large language models in-house
28.07.2025
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Photo by Conner Baker on Unsplash
series, which were originally developed for gaming and professional visualization but are also suitable for AI because of their good compute power and CUDA compatibility. With 24GB of GDDR6X memory and up
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PowerTOP
21.10.2011
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(up to version 2.6.20) use a fixed heartbeat 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
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GNU Parallel: Multicore at the Command Line with GNU Parallel
04.11.2011
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Recent trends in computing are toward more cores doing more tasks at once. These days, you are likely to have a dual- or quad-core CPU in your laptop, and perhaps 4, 6, 12, or 16 cores in your
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Command-line tools for the HPC administrator
22.12.2017
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Lead Image © Vasyl Nesterov, 123RF.com
=> /lib64/libpthread.so.0 (0x00007f5bc524a000) libpgc.so => /opt/pgi/linux86-64/16.10/lib/libpgc.so (0x00007f5bc4fc2000) librt.so.1 => /lib64/librt.so.1 (0x00007f5bc4dba000) libm.so.6 => /lib64
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Denial of Service in the Cloud
12.11.2013
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to CloudFlare CEO Matthew Prince, the DDoS attack on Spamhaus was triggered by 36-byte data packets, each of which triggered a 3,000-byte response. Although a normal desktop PC can handle about 1,000 DNS

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