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14.03.2013

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

=/opt/pjsua.conf 06 SOUNDFILE=/tmp/alert.wav 07 TEXT2WAVE=/usr/bin/text2wave 08 DURATION=20 09 NUMBER=01234567890 10 MESSAGE="Monitoring Alert" 11 12 # Setting a lock file 13 # We can't make more than one call 14

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First steps in IT automation by Rex

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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Roll out hybrid clouds with Ansible automation

14.03.2018

Home » Archive » 2018 » Issue 44: Cloud... »

_vpc_net: 17 name: "{{ netname }}-int" 18 cidr_block: "{{ cidr_master }}" 19 region: "{{ region }}" 20 tags: create_vpc_int 21 register: myvpcint 22 23 - name: Create Subnet INT 24 ec2

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Exploring OpenShift – Red Hat's next-generation PaaS tool

10.04.2015

Home » Archive » 2015 » Issue 26: OpenS... »

/mfeilner/.openshift/express.conf ... done 20 21 Checking for git ... found git version 2.1.0 22 23 Checking common problems .. done 24 25 Checking for a domain ... feilner 26 27 Checking for applications ... none 28 29 Run 'rhc create

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mpi4py – high-performance distributed Python

30.11.2020

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

): 11 12 s = 0.0 13 s += h * f(a) 14 for i in range(1, n): 15 s += 2.0 * h * f(a + i*h) 16 # end for 17 s += h * f(b) 18 return (s/2.) 19 # end def 20 21 22 # Main section 23 comm = MPI

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Warewulf 4 – Python and Jupyter Notebooks

13.04.2023

Home » HPC » Articles »

7: Loading Lmod (laytonjb) [laytonjb@warewulf ~]$ module avail --------------------------- /opt/modulefiles/Core ---------------------------- anaconda.22.9.0 gnu/8.5 lmod nvhpc/20.11 settarg

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Modern Fortran for today and tomorrow

17.06.2017

Home » Archive » 2017 » Issue 39: Conta... »

type for variable "a" 18 type(my_struct) :: a 19 ! ... 20 write(*,*) "i is ",a%i 21 22 ! Structures (variables) of the the derived type my_struct 23 type(my_struct) :: data 24 type

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Embarrassingly parallel computation

01.06.2024

Home » Archive » 2024 » Issue 81: Load... »

code's critical section therefore determines how much the application can actually be accelerated: If one minute of a 20-minute process is single threaded, the maximum speedup theoretically possible

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Setting up SELinux policies

12.09.2013

Home » Archive » 2013 » Issue 16: Docker »

17 %description 18 Custom SELinux policy module. 19 20 %prep 21 if [ ! -d custom-selinux-policy ]; then 22 mkdir custom-selinux-policy 23 fi 24 cp -p %{SOURCE0} %{SOURCE1} %{SOURCE2} custom

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Linux Local and Network Filesystems

07.01.2024

Home » HPC » Articles »

loop /snap/core22/864 loop15 7:15 0 12.3M 1 loop /snap/snap-store/959 loop16 7:16 0 73.9M 1 loop /snap/core22/817 loop17 7:17 0 349.7M 1 loop /snap/gnome-3-38-2004/140 loop18

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