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Roll out hybrid clouds with Ansible automation

14.03.2018

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

vpc-id: "{{ myvpcint.vpc.id }}" 06 register: inttables 07 tags: gatherroutes 08 09 - name: Set Route out 10 ec2_vpc_route_table: 11 vpc_id: "{{ myvpcint.vpc.id }}" 12 region: "{{ region

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Jenkins Configuration as Code

07.06.2019

Home » Archive » 2019 » Issue 51: Self-... »

-jdk-alpine 02 03 RUN apk add --no-cache git openssh-client curl bash # for Jenkins AWT 04 ttf-dejavu 05 06 ARG JENKINS_USER=jenkins 07 ARG UID=1000 08 ARG HTTP_PORT=8080 09 ARG JENKINS

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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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Tracing applications with OProfile and SystemTap

30.11.2025

Home » Archive » 2010 » Issue 1: System... »

Finding I/O-Intensive Apps 01 #!/usr/bin/stap 02 03 global totals; 04 probe vfs.read 05 06 { 07 totals[execname(), pid()]++ 08 } 09 10 probe end 11 { 12 printf("** Summary ** \n") 13 foreach

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Infrastructure as Code with Terraform

18.02.2018

Home » Archive » 2018 » Issue 43: Real... »

variable "site_author" { 07 type = "string" 08 default = "Jon Doe" 09 } 10 variable "site_container" {} 11 variable "do_token" { 12 type = "string" 13 } 14 variable "key_path" {} 15 variable "ssh

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Get Started with Parallel CPython

07.11.2011

Home » HPC » Articles »

print str(id) + ' Total waste of CPU cycles!' 08 09 if '__main__' == __name__: 10 11 for i in xrange(20): 12 Process(target = waste, args = (i,)).start() The counting.py program delays

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Boost performance of your Python programs

30.11.2025

Home » Archive » 2010 » Issue 2: Backup... »

(number, label): 07 for i in xrange(number): 08 print ' ' + str(i) + ' ' + label 09 sleep((number - 15)/10.0) 10 11 if '__main__' == __name__: 12 13 p1 = Process(target = count, args = (20

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Fast system management from Puppet Labs

30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

= debug 06 identity = rawhide.tuxgeek.de 07 08 # connector plugin config 09 connector = stomp 10 plugin.stomp.host = activemq.tuxgeek.de 11 plugin.stomp.port = 6163 12 plugin.stomp.user = unset 13 plugin

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Gatling load-testing tool

03.02.2022

Home » Archive » 2022 » Issue 67: syst... »

class BlazeDemoV1 extends Simulation { 08 09 var qualifiedhost = "http://blazedemo.com" 10 var proxyport = 0 11 var proxyhost = "not set" 12 13 // headers for HTTP call 14 val headers = Map( 15

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Workshop: Container virtualization with LXC on Ubuntu 10.04

30.11.2025

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

#auto eth0 06 #iface eth0 inet dhcp 07 auto br0 08 iface br0 inet dhcp 09 bridge_ports eth0 10 bridge_stp off 11 bridge_maxwait 5 12 post-up /usr/sbin/brctl setfd br0 0 Next, create a directory

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