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33%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
-o pe_start # vgcreate RaidVolGroup00 /dev/sdx # lvcreate --extents 100%VG --name RaidLogVol00 RaidVolGroup00 # mkfs -t ext3 -E stride=32 -m 0 -O dir_index,filetype,has_journal,sparse_super /dev
32%
Time flies, but it can still be measured
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
-switched voluntarily x Exit status of the command Listing 3 Page Faults $ /usr/bin/time gcc test.c -o test 0.03user 0.01system 0:00.07elapsed 70%CPU (0avgtext+0avgdata 25088
32%
Read-only File Compression with SquashFS
14.06.2017
Home »  HPC  »  Articles  » 
 -rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz The original file is 3.2MB, but after using gzip with the -9 option (i.e., maximum compression), the resulting file is 268KB. The .gz
32%
The Cuckoo sandboxing malware analysis tool
17.04.2017
Home »  Archive  »  2017  »  Issue 38: .NET...  » 
Lead Image © Tom Baker, 123RF.com
. The disadvantage of hardware appliances is that they are less flexible than software, which you can adapt to suit your own landscape. Cuckoo [3] was launched in August 2010, and the release candidate for version 2.0
32%
Machine learning and security
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Vlad Kochelaevskiy, 123RF.com
.sin(periods * 2 * np.pi * t) 12 return max(value, 0.0) 13 else: 14 value = np.sin(periods * 2 * np.pi * t) 15 return max(value, 0.0) 16 17 # building the data vector 18 my_data = [] 19 i = 0 20 while
32%
Resource Management with Slurm
05.11.2018
Home »  HPC  »  Articles  » 
Name=slurm-node-0[0-1] Gres=gpu:2 CPUs=10 Sockets=1 CoresPerSocket=10 \ ThreadsPerCore=1 RealMemory=30000 State=UNKNOWN PartitionName=compute Nodes=ALL Default=YES MaxTime=48:00:00 DefaultTime=04:00:00 \ Max
32%
Resource Management with Slurm
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Vladislav Kochelaevs, fotolia.com
In previous articles, I examined some fundamental tools for HPC systems, including pdsh [1] (parallel shells), Lmod environment modules [2], and shared storage with NFS and SSHFS [3]. One remaining
32%
Using Expect scripts to automate tasks
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Kheng Ho Toh, 123RF.com
"ps -ef|grep apache\r 76 www-data 555 23171 0 Oct07 ? 00:00:00 /usr/sbin/apache2 -k start\r 77 www-data 556 23171 0 Oct07 ? 00:00:00 /usr/sbin/apache2 -k start\r 78 www-data 557
32%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
/group_gz | 212 kB 00:00 Package flex-2.5.35-8.el6.x86_64 already installed and latest version Package gcc-4.4.6-3.el6.x86_64 already installed and latest version Package autoconf-2.63-5.1.el6.noarch
32%
mpi4py – high-performance distributed Python
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © liu liming, 123RF.com
the code is straightforward: $ mpirun -n 4 -f ./hosts python3 trap-mpi4py.py Another sample problem (Listing 8) integrates x ^2 over the interval from 0.0 to 2.0. The output contains information about what

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