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Segmenting networks with VLANs
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Maxim Kazmin, 123RF.com
-ring encapsulation (1 bit), and identification of the respective VLAN identifier (12 bits). A maximum of 4,096 VLANs can be set up with the 12 bits of the VID (VLAN identifier) field. Tagged VLANs differ from
10%
Parallel Programming with OpenCL
04.11.2011
Home »  HPC  »  Articles  » 
 convolutionSum = 0.0f; 05  06     // Iterate over convolution kernel 07     for(size_t ky = 0; ky < kernel.height; ++ky) 08     { 09       for(size_t kx = 0; kx < kernel.width; ++kx) 10  11       { 12
10%
Warewulf 4 – Environment Modules
20.03.2023
Home »  HPC  »  Articles  » 
. My Warewulf 4 cluster currently runs Rocky 8.6 (soon to be 8.7). A container used for the stateless compute nodes is the same as the head node (Rocky 8.6). Both /home  and /opt  are NFS shared from
10%
GNU Parallel: Multicore at the Command Line with GNU Parallel
04.11.2011
Home »  HPC  »  Articles  » 
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
10%
VTP for VLAN management
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © bluedarkat, 123RF.com
active Fa0/1, Fa0/2, Fa0/3, Fa0/4, Fa0/5, Fa0/6, Fa0/7, Fa0/8, Fa0/9, Fa0/10, Fa0/11, Fa0/12 10
10%
New Monitoring Tools
14.04.2021
Home »  HPC  »  Articles  » 
(-00:05:34) , or 5 minutes, 34 seconds in the past. The advantage of scrolling back in time is the ability to save system performance data. By default, Zenith records data at two-second intervals. I
10%
Exploring the filesystem that knows everything
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
Lucy Baldwin, 123RF
: 6 08 microcode : 0x60c 09 cpu MHz : 800.000 10 cache size : 6144 KB 11 physical id : 0 12 siblings : 2 13 core id : 0 14 cpu cores : 2 15 apicid
10%
Julia Distributed Arrays
15.08.2012
Home »  HPC  »  Articles  » 
(32-bit). The examples used in this column were built and run on a Limulus personal cluster running Scientific Linux 6.2 on an Intel i5-2400S with 4GB of memory. If don't want to bother building
10%
Exploiting, detecting, and correcting IAM security misconfigurations
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Kyle Head on Unsplash
. Magic?! To create a new policy and escalate the privilege [6] inside the environment to the administrator, the attacker can use the command: $ aws iam create-policy-version --policy-arn arn
10%
SMART Devices
14.08.2020
Home »  HPC  »  Articles  » 
 is:        In smartctl database [for details use: -P show] ATA Version is:   ACS-2, ATA8-ACS T13/1699-D revision 4c SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is:    Sun Aug  2 10:41:21 2020 EDT SMART

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