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20%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
from /etc/password and /etc/groups . The time is computed in number of seconds since 1970-01-01 00:00:00 UTC. The script entry records the name of the wrapper script that was used, because you might
20%
Upheaval
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
 
a remote location, and (3) work hours outside of 8:00am to 5:00pm. I like to work remotely. I have fewer distractions at home, which I understand is not the case for everyone, but it works for me. I also don
20%
Pen Testing with netcat
14.05.2013
Home »  Articles  » 
 
the net start command to get a list of services running (Figure 3): >net start Figure 3: Output from the net start command. Several services
20%
StarCluster Toolkit: Virtualization Meets HPC
16.01.2013
Home »  HPC  »  Articles  » 
.08  590.8M   55.3M  243.2M     0.0 The batch-queuing system that manages the jobs here is Grid Engine. Job scripts submitted to the queue will wait for free slots and then execute on the basis
20%
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
20%
HPC Software Road Gets a Bit Smoother
10.09.2013
Home »  HPC  »  Articles  » 
23,289.81 24,823.29 6% SP 19,751.24 12,061.77 39.00% a BT, block tri-diagonal; CG, conjugate gradient; EP, embarrassingly parallel; FT, 3D fast Fourier
20%
Exploring the most famous performance tool
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Lucy Baldwin, 123RF.com
use across Linux and BSD distributions. Figure 1 shows top version 3.3 on a stock Fedora system. The first line of the dynamically updated display lists the current time, the system's uptime, the number
20%
Discovering device names
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© cbpix, 123RF.com
Recently, a customer asked me what was going on with his system. All of a sudden, he no longer had an eth0; instead, he was seeing strange names like em1 or p3p1 at the console. He wanted to know
20%
Warewulf 4 – GPUs
20.02.2023
Home »  HPC  »  Articles  » 
=/etc/slurm/slurm.epilog.clean NodeName=n0001 Sockets=1 CoresPerSocket=4 ThreadsPerCore=2 State=UNKNOWN PartitionName=normal Nodes=ALL Default=YES MaxTime=24:00:00 State=UP Oversubscribe=EXCLUSIVE Slurmctld
20%
Backups using rdiff-backup and rsnapshot
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Dmitry Pichugin, Fotolia.com
), a daily backup runs every day at 3:30am (seven snaphots are kept), and a weekly backup starts at 3:00am every Monday (four snapshots are available). Regularly running backups using cron is equally suitable

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