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mpi4py – high-performance distributed Python

30.11.2020

Home » Archive » 2020 » Issue 60: Secur... »

processes is shown in Listing 6. Notice that processes 3 and 4 didn't contribute or do anything. Listing 5 Point-to-Point 01 import numpy 02 from mpi4py import MPI 03 04 05 comm = MPI

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SMART storage device monitoring

29.09.2020

Home » Archive » 2020 » Issue 59: Custo... »

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 support is: Available - device has SMART capability. SMART support is: Enabled

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HTTP/1.1 versus HTTP/2 and HTTP/3

30.05.2021

Home » Archive » 2021 » Issue 63: Autom... »

on most servers, is HTTP/1.1 – even though HTTP/3 has already been defined. In this article, I look at the history of the protocol and the practical differences between versions 1.1, 2, and 3 ... HTTP/2 introduced multiplexing, resulting in superior bandwidth utilization over HTTP/1.1, and HTTP/3 solves the problem of transmission delays from packet loss by replacing TCP with QUIC. ... HTTP/1.1 versus HTTP/2 and HTTP/3

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Using the ATA security features of modern hard disks and SSDs

20.03.2014

Home » Archive » 2014 » Issue 19: Perim... »

Model Number: INTEL SSDSC2CW240A3 Serial Number: XXXXXXXXXXXXXXXXXX Firmware Revision: 400i Transport: Serial, ATA8-AST, SATA 1.0a, SATA II [...] Commands

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Goodbye virtual machines, hello microVMs

06.10.2022

Home » Archive » 2022 » Issue 71: Kuber... »

([hostPort:]containerPort) ubuntu1804 1 weaveworks/ignite-ubuntu:18.04 weaveworks/ignite-kernel:5.13.3 2 2G 20G 22,38080,52812,58080 centos8 1 weaveworks/ignite-centos:8 weaveworks/ignite-kernel:5.13.3 2 2G

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Accessing Fortran code with Python

05.12.2019

Home » Archive » 2019 » Issue 54: NVMe... »

.multiply_(byref(a), byref(b)) print add.addtwo_(byref(a), byref(b)) The output from the Python code is: $ python3 testfunc.py 8 6 If you like, you can write a simple Python wrapper function for the shareable objects

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System temperature as a dimension of performance

28.11.2022

Home » Archive » 2022 » Issue 72: OpenS... »

Pentium 3 processor. The cause was a detached heat sink, and some older hardware did not have built-in protection circuitry back then. I have also had fun experiencing intriguing boot failures from

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How to configure and use jailed processes in FreeBSD

14.03.2013

Home » Archive » 2013 » Issue 13: IPv6... »

are available to let administrators manage jails on the host system [6]. Here's a brief look: jail [-i] [-l -u | -U ] : Starts a jail

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Verifying your configuration

05.02.2023

Home » Archive » 2023 » Issue 73: Datab... »

: lt: 90 port: tcp:22: listening: true ip: - 0.0.0.0 tcp6:22: listening: true ip: - '::' user: sshd: exists: true package: docker-ce: installed: true service

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Flatpak, Snap, and AppImage

09.06.2018

Home » Archive » 2018 » Issue 45: Autom... »

of the technology. However, there is a solution one size smaller. Youngsters The introduction of the DEB [2] and RPM [3] package formats coincided with the birth of the major distributions Debian and Red Hat

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