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11.06.2014

Home » Archive » 2014 » Issue 21: Manag... »

Lead Image © Konstantin Chagin , 123RF.com

_system_release = '12.04' 17 $eth0_mac = '08:00:27:c4:a1:d8' 18 $VirtInfo = { 19 virtualization_role => 'guest' 20 virtualization_type => 'virtualbox' 21 } 22 $memory_shared = '0' 23 $Network = { 24 networkdevices

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Resource Management with Slurm

05.11.2018

Home » HPC » Articles »

it at Linux Networx in the early 2000s. Over the years, it has been developed by Lawrence Livermore National Laboratory, SchedMD, Linux Networx, Hewlett-Packard, and Groupe Bull. According to the website, Slurm

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Resource Management with Slurm

13.12.2018

Home » Archive » 2018 » Issue 48: Secur... »

Lead Image © Vladislav Kochelaevs, fotolia.com

. Listing 2 sinfo $ sinfo -s PARTITION AVAIL TIMELIMIT NODES(A/I/O/T) NODELIST p100 up infinite 4/9/3/16 node[212-213,215-218,220-229] sbatch To submit a batch serial

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Bringing old hardware back into the game

29.09.2020

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

and doubles the cache size (from 3 to 6MB), in exchange for a small drop in baseline clock speed – 2.3 to 2.2GHz (peak drops from 3.2 to 3.1GHz). Major Surgery Legend has it that no one has ever opened

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Warewulf Cluster Manager – Administration and Monitoring

21.08.2012

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-------------------- ----------- -------- ---------------- ------ ----- ------ ------ ----- - ----- 10.test1 laytonjb batch mpi_pi_fortran90 -- 1 3 -- 00:10 Q -- The qstat command gets the status of the queues in Torque, and the -a option tells it to check all

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Managing Linux Filesystems

13.06.2016

Home » Archive » 2016 » Issue 33: IPv6... »

of filesystems from which to choose, and the ext2/3/4 series is likely known by everyone. If you work with a current distribution, you have probably met other filesystems, too (Table 1). Table 1

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Beyond monitoring: Mathematical load simulation in Perl

30.11.2025

Home » Archive » 2011 » Issue 6: Perfor... »

Model"; 11 $work = "ebiz-tx"; 12 $node1 = "WebServer"; 13 $node2 = "AppServer"; 14 $node3 = "DBMServer"; 15 $think = 0.0 * 1e-3; # as per test system 16 $dtime = 2.2 * 1e-3; # dummy service time 17 18

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Black Lotus Labs Confirms Serious Flaw in Windows Subsystem for Linux

20.09.2021

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barriers between operating systems.” Black Lotus has identified a series of samples that were uploaded every two to three weeks, dating back to May 3, 2021, through August 22, 2021. The attacks were

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Build a honeypot with real-world alerts

01.08.2019

Home » Archive » 2019 » Issue 52: Stop... »

NEW -m tcp --dport 22 -j ACCEPT 10 -A INPUT -p udp --dport 5353 -j DROP 11 -A INPUT -s -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT 12 -A INPUT -m limit --limit 30/min -j

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Develop your own scripts for Nmap

03.12.2015

Home » Archive » 2015 » Issue 30: OpenD... »

the output. For example: nmap -sV --script exploit -d3 targethost NSE scripts have a clear-cut structure. This becomes most clear when you take a look at an existing script. The scripts not only define

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