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16%
StarCluster Toolkit: Virtualization Meets HPC
16.01.2013
Home »  HPC  »  Articles  » 
 import MPI 02 import random 03  04 comm = MPI.COMM_WORLD 05 rank = comm.Get_rank() 06 mpisize = comm.Get_size() 07 nsamples = int(6e6/mpisize) 08  09 inside = 0 10 random.seed(rank) 11 for i in range
16%
Stat-like Tools for Admins
19.11.2014
Home »  HPC  »  Articles  » 
traffic over eth0, you can get an idea of network activity: dstat -tn -N eth0 1 10 I added the time option (-t ) and the network stats option (-n ), then monitored the network device of interest (-N eth0
16%
Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © jeka81, 123RF.com
: $ curl http://169.254.169.254 1.0 2007-01-19 2007-03-01 2007-08-29 2007-10-10 2007-12-15 2008-02-01 2008-09-01 2009-04-04 The cloud-init package installed on an instance contains utilities for its early
16%
The new openAttic 1.1 storage manager
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Matty Symons, 123RF.com
German-based IT-Novum caused much excitement in 2013 when it announced a tool that gives almost anyone the ability to manage versatile storage: openAttic [1]. The first version 1.0 of open
16%
Tuning I/O Patterns in Fortran 90
04.12.2013
Home »  HPC  »  Articles  » 
if (ierr > 0) then 21 write(*,*) "error in opening file! Stopping" 22 stop 23 else 24 do 10 counter=1,counter_limit 25 my_record%x = counter 26 my_record%y = counter
16%
Roll out hybrid clouds with Ansible  automation
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © markovka, 123RF.com
['localhost']['frontendvm']['instances'][0]['private_ip'] }}:3128\";" > /etc/apt/apt.conf.d/80proxy') 06 07 - name: Install Python 08 raw: test -e /usr/bin/python || (sudo -s apt-get -y install python) 09 10 - name: Install Software 11
16%
openlava – Hot Resource Manager
10.10.2012
Home »  HPC  »  Articles  » 
_NAME type model cpuf ncpus maxmem maxswp server RESOURCES test1 DEFAULT DEFAULT 1.0 4 7363M 13999M Yes () n0001 UNKNOWN UNKNOWN_ 1.0 - - - Yes () You can tell
16%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
1.1.1.1/10 scope global veth1 valid_lft forever preferred_lft forever $ ss -etn State Recv-Q Send-Q Local Address:Port Peer Address:Port ESTAB 0 0 1.1.1.1:22 1
16%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
.pool.ntp.org driftfile /var/lib/chrony/drift makestep 1.0 3 rtcsync allow 10.0.0.0/8 local stratum 10 keyfile /etc/chrony.keys leapsectz right/UTC logdir /var/log/chrony I pointed the head node to 2.rocky
16%
Oracle Database 12c: Cloud computing with multitenant architecture
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Jakub Jirsak, 123RF.com
using the DBMS_PDB package (after upgrading to 12c) and then plugged into a CDB. In-place upgrades are possible so far from 10.2.0.5, 11.1.0.7, 11.2.0.2, and higher; the result is initially a non

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