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27%
mpi4py – high-performance distributed Python
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © liu liming, 123RF.com
. MPI for Python (mpi4py ) [1] was developed for Python with the C++ bindings in the MPI-2 standard. The 1.0 release was on March 20, 2020, and the current release as of this writing is 3.0.3 (July 27
27%
Secure cloud-native services with Prisma Cloud Compute
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © alexmillos, 123RF.com
754 pages of about 63MB) with details on where to find the latest release. In my case, this was version 19.11.480. The docs are also now public, which is more convenient (an access token attached
27%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
Load 30 check_command check_nrpe!check_load!5.0!4.0!3.0!10.0!6.0!4.0 31 } 32 define service{ 33 use generic-service ; Name of service
27%
Resource Management with Slurm
05.11.2018
Home »  HPC  »  Articles  » 
nodes, and make sure to do this as a user and not as root. 3. To make life easier, use shared storage between the controller and the compute nodes. 4. Make sure the UIDs and GIDs are consistent
27%
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
27%
Law of Averages – Load Averaging
01.02.2013
Home »  Articles  » 
 
at the output of uptime [1] on OS X:   13:03 up 2 days, 12:01, 2 users, load averages: 0.52 0.59 0.63   The uptime command displays the load average in its common form, averaging the last one, five, and 15
27%
Filesystem Murder Mystery
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Lucy Baldwin, 123RF.com
in mv ubuntu@aws:~/slow-mv$ strace -t mv 3GB.copy 3GB 19:00:09 execve("/bin/mv", ["mv", "3GB.copy", "3GB"], 0x7ffd0e7dddf8 /* 21 vars */) = 0 19:00:09 brk(NULL) = 0x55cd7d1ce000
27%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
struct timespec t[loops+1] = { 0 }; 49 timespec_get(&t[0], TIME_UTC); 50 /* Volatile for i ensures that the loop is effected */ 51 for (uint64_t volatile i = 0; i < iterations; ++i) { 52 r
27%
Automate your VMware configuration with Puppet
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © astragal, 123RF.com
-enterprise-3.8.1-ubuntu-14.04-amd64/packages/ubuntu-14.04-amd64 sudo dpkg -i pe-cloud-provisioner-libs_0.3.2-1puppet1_amd64.deb sudo dpkg -i pe-cloud-provisioner_1.2.0-1puppet1_all.deb vSphere Setup After
27%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
, thus creating a routing-enabled jail. The address is passed in on launching the jail. The loopback address (127.0.0.1) and its IPv6 counterpart (::1) can be linked with a jail. This is referred

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