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18%
Using the MQTT IoT protocol for unusual but useful purposes
03.12.2015
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Lead Image © Heiko Küverling, 123RF.com
(msg.payload)) 07 08 mqtt = paho.Client() 09 mqtt.on_message = on_message 10 11 mqtt.connect("localhost", 1883, 60) 12 mqtt.subscribe("linux/+", 0) 13 14 mqtt.loop_forever() The client now connects
18%
Serverless run times with custom Bash AWS Lambda layers
25.03.2020
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Lead Image © Eric Gevaert, 123RF.com
_DATA=$1 06 07 # This is the Event Data 08 echo $EVENT_DATA 09 10 # Example of command usage 11 EVENT_JSON=$(echo $EVENT_DATA | jq .) 12 13 # Example of AWS command that's output will show up
18%
Using Libvirt with Python to manage virtual machines
21.08.2014
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hv = [ "tiffy.tuxgeek.de", "ernie.tuxgeek.de" ] 07 08 for hv_host in hv: 09 10 uri = "qemu+ssh://virtuser@" + hv_host + "/system" 11 conn = libvirt.openReadOnly(uri) 12 13 hypervisor_name = conn
18%
Static code analysis finds avoidable errors
06.10.2019
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Lead Image © Andrey KOTKO, 123RF.com
* argv []) 06 /*@requires maxRead(argv) >= 1 @*/ 07 /*@-modfilesys@*/ 08 { 09 /*@-initallelements@*/ 10 char buffer [BUFSIZE] = {'\0'}; 11 /*@+initallelements@*/ 12 if ( ( argc
18%
Automating development environments and deployment with Otto
11.02.2016
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prompts you for your access and secret key (Figure 6). As an Amazon user, you are given both on registering with the service [12]. Next, click on your own name in the top right corner, select Security
18%
Jenkins Configuration as Code
07.06.2019
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-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
18%
Haskell framework for the web
22.12.2017
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Photo by Aidas Ciziunas, Unsplash.com
09 mysettings' <- newSettings maxFiles 10 -- make "myMax" version available globally 11 let mkFoundation appConnPool = App mysettings' 12 [...] Listing 6
18%
Look for file changes and kick off actions with Watchman
10.04.2015
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for changed files from the command line). Listing 1 Configuration File 01 { 02 "version": "3.0.0", 03 "watched": [ 04 { 05 "path": "/opt/repos", 06 "triggers": [] 07 } 08
18%
OCI containers with Podman
06.10.2019
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used the example configuration file from the installation help page [6] (Listing 1). As you can see in line 12, the following container image registries are to be searched: docker.io registry
18%
TCP Stealth hides open ports
10.04.2015
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is then establishment of a totally normal connection. If you want to try this out yourself, you can check out previous articles in Linux Magazine [4]-[6]. Alternatively, you can start with the Knockd [7] project

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