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18%

Roll out hybrid clouds with Ansible automation

14.03.2018

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

key_material: "{{ item }}" 09 state: present 10 region: "{{ region }}" 11 with_file: /home/user/.ssh/id_rsa.pub 12 register: sshkey 13 tags: sshkey 14 15 - name: Create VPC INT 16 ec2

18%

Protecting your web application infrastructure with the Nginx Naxsi firewall

18.07.2013

Home » Archive » 2013 » Issue 15: What’... »

backend3.example.com server; 05 backend4.example.com server down; 06 backend5.example.com backup server; 07 } 08 09 upstream fallback { 10 fallback1.example.com server: 8081; 11 } 12 13 14 server { 15 % 16

18%

Setting up SELinux policies

12.09.2013

Home » Archive » 2013 » Issue 16: Docker »

see that the base module is by far the largest, weighing in at more than 200KB. When a module is loaded, it is copied to /etc/selinux/targeted/modules/active/modules/. When the system is rebooted

18%

Program GUIs in Go with Fyne

28.11.2021

Home » Archive » 2021 » Issue 66: Inci... »

" 06 "fyne.io/fyne/v2/widget" 07 ) 08 09 func main() { 10 a := app.New() 11 w := a.NewWindow("") <b>12</b> w.Resize(fyne.NewSize(<b>200</b>, <b>200</b>)) 13 w.SetContent(widget.NewLabel("Hello World!")) 14</div> <div class="clear"></div> </div> <div class="view"> <div class="percent">18%</div> <div class="title"><a href="/Archive/2013/17/Error-correcting-code-memory-keeps-single-bit-errors-at-bay/(language)/eng-US">Error-correcting code memory keeps single-bit errors at bay</a></div> <div class="clear"></div> <div class="date">14.11.2013</div> <div class="breadcrumb_only" itemscope itemtype="http://data-vocabulary.org/Breadcrumb"> Home <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Archive', 'text-link'])" href="/Archive">Archive</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '2013', 'text-link'])" href="/Archive/2013">2013</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Issue 17: Cloud Tools', 'text-link'])" href="/Archive/2013/17">Issue 17: Cloud...</a> </span> </span> <span class="separator">»</span> <span class="path" itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '', 'text-link'])" href="/Archive/2013/17/Error-correcting-code-memory-keeps-single-bit-errors-at-bay"></a> </span> </span> </div> <div class="clear"></div> <div class="attribute-image"><a href="/Archive/2013/17/Error-correcting-code-memory-keeps-single-bit-errors-at-bay/(language)/eng-US"> <img src="/var/ezflow_site/storage/images/archive/2013/17/error-correcting-code-memory-keeps-single-bit-errors-at-bay/123rf_16383358_umbrellas_igorstevanovic_resized.png/98557-1-eng-US/123RF_16383358_umbrellas_IgorStevanovic_resized.png_small.png" itemprop="image" alt="Lead Image © Igor Stevanovic, 123RF.com" title="Lead Image © Igor Stevanovic, 123RF.com"> </a></div> <div class="text"> A study [<b>3</b>] of real memory errors took place at Google. During their investigations they found that one third of the machines and more than eight percent of the DIMMs saw correctable errors per year</div> <div class="clear"></div> </div> <div class="view"> <div class="percent">18%</div> <div class="title"><a href="/Archive/2021/61/Automate-CentOS-and-RHEL-installation-with-PXE/(language)/eng-US">Automate CentOS and RHEL installation with PXE</a></div> <div class="clear"></div> <div class="date">02.02.2021</div> <div class="breadcrumb_only" itemscope itemtype="http://data-vocabulary.org/Breadcrumb"> Home <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Archive', 'text-link'])" href="/Archive">Archive</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '2021', 'text-link'])" href="/Archive/2021">2021</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Issue 61: Secure Containers', 'text-link'])" href="/Archive/2021/61">Issue 61: Secur...</a> </span> </span> <span class="separator">»</span> <span class="path" itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '', 'text-link'])" href="/Archive/2021/61/Automate-CentOS-and-RHEL-installation-with-PXE"></a> </span> </span> </div> <div class="clear"></div> <div class="attribute-image"><a href="/Archive/2021/61/Automate-CentOS-and-RHEL-installation-with-PXE/(language)/eng-US"> <img src="/var/ezflow_site/storage/images/archive/2021/61/automate-centos-and-rhel-installation-with-pxe/po-20441-fotolia-michael_kempf_fotolia-tastatur_resized.png/180445-1-eng-US/PO-20441-Fotolia-Michael_Kempf_Fotolia-Tastatur_resized.png_small.png" itemprop="image" alt="Lead Image © Michael Kempf, Fotolia.com" title="Lead Image © Michael Kempf, Fotolia.com"> </a></div> <div class="text"> 08 # Network information <b>09</b> network --device=bond0 --bondslaves=ens1f0,ens1f1 --bondopts=mode=802.<b>3</b>ad,miimon-100 --bootproto=dhcp --activate 10 network --hostname=server.cloud.internal 11 network</div> <div class="clear"></div> </div> <div class="view"> <div class="percent">18%</div> <div class="title"><a href="/Archive/2019/53/OCI-containers-with-Podman/(language)/eng-US">OCI containers with Podman</a></div> <div class="clear"></div> <div class="date">06.10.2019</div> <div class="breadcrumb_only" itemscope itemtype="http://data-vocabulary.org/Breadcrumb"> Home <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Archive', 'text-link'])" href="/Archive">Archive</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '2019', 'text-link'])" href="/Archive/2019">2019</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Issue 53: Security Strategies', 'text-link'])" href="/Archive/2019/53">Issue 53: Secur...</a> </span> </span> <span class="separator">»</span> <span class="path" itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '', 'text-link'])" href="/Archive/2019/53/OCI-containers-with-Podman"></a> </span> </span> </div> <div class="clear"></div> <div class="attribute-image"><a href="/Archive/2019/53/OCI-containers-with-Podman/(language)/eng-US"> <img src="/var/ezflow_site/storage/images/archive/2019/53/oci-containers-with-podman/photobyrayaucottonunsplash_fish.png/166613-1-eng-US/PhotobyRayAucottonUnsplash_Fish.png_small.png" itemprop="image" alt="Photo by Ray Aucott on Unsplash" title="Photo by Ray Aucott on Unsplash"> </a></div> <div class="text"> # The only valid categories are: 'registries.search', 'registries.insecure', <b>09</b> # and 'registries.block'. 10 11 [registries.search] <b>12</b> registries = ['docker.io', 'registry.fedoraproject.org', 'quay</div> <div class="clear"></div> </div> <div class="view"> <div class="percent">18%</div> <div class="title"><a href="/Archive/2020/56/Serverless-run-times-with-custom-Bash-AWS-Lambda-layers/(language)/eng-US">Serverless run times with custom Bash AWS Lambda layers</a></div> <div class="clear"></div> <div class="date">25.03.2020</div> <div class="breadcrumb_only" itemscope itemtype="http://data-vocabulary.org/Breadcrumb"> Home <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Archive', 'text-link'])" href="/Archive">Archive</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '2020', 'text-link'])" href="/Archive/2020">2020</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Issue 56: Secure DNS', 'text-link'])" href="/Archive/2020/56">Issue 56: Secur...</a> </span> </span> <span class="separator">»</span> <span class="path" itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '', 'text-link'])" href="/Archive/2020/56/Serverless-run-times-with-custom-Bash-AWS-Lambda-layers"></a> </span> </span> </div> <div class="clear"></div> <div class="attribute-image"><a href="/Archive/2020/56/Serverless-run-times-with-custom-Bash-AWS-Lambda-layers/(language)/eng-US"> <img src="/var/ezflow_site/storage/images/archive/2020/56/serverless-run-times-with-custom-bash-aws-lambda-layers/eric_gevaert_123rf-party.png/171476-1-eng-US/Eric_Gevaert_123RF-Party.png_small.png" itemprop="image" alt="Lead Image © Eric Gevaert, 123RF.com" title="Lead Image © Eric Gevaert, 123RF.com"> </a></div> <div class="text">_DATA=$1 06 07 # This is the Event Data 08 echo $EVENT_DATA <b>09</b> 10 # Example of command usage 11 EVENT_JSON=$(echo $EVENT_DATA | jq .) <b>12</b> 13 # Example of AWS command that's output will show up</div> <div class="clear"></div> </div> <div class="view"> <div class="percent">18%</div> <div class="title"><a href="/Archive/2019/49/Validating-Docker-containers/(language)/eng-US">Validating Docker containers</a></div> <div class="clear"></div> <div class="date">05.02.2019</div> <div class="breadcrumb_only" itemscope itemtype="http://data-vocabulary.org/Breadcrumb"> Home <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Archive', 'text-link'])" href="/Archive">Archive</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '2019', 'text-link'])" href="/Archive/2019">2019</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Issue 49: Anatomy of an Attack', 'text-link'])" href="/Archive/2019/49">Issue 49: Anato...</a> </span> </span> <span class="separator">»</span> <span class="path" itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '', 'text-link'])" href="/Archive/2019/49/Validating-Docker-containers"></a> </span> </span> </div> <div class="clear"></div> <div class="attribute-image"><a href="/Archive/2019/49/Validating-Docker-containers/(language)/eng-US"> <img src="/var/ezflow_site/storage/images/archive/2019/49/validating-docker-containers/po-24760-123rf-36clicks_123rf_-hafenarbeiter__resized.png/160050-1-eng-US/PO-24760-123RF-36clicks_123RF_-Hafenarbeiter__resized.png_small.png" itemprop="image" alt="Lead Image © 36clicks, 123RF.com" title="Lead Image © 36clicks, 123RF.com"> </a></div> <div class="text">Version: "<b>2.0.0</b>" 02 03 globalEnvVars: 04 - key: "MYSQL_USER" 05 value: "dev" 06 - key: "MYSQL_PASSWORD" 07 value: "123456" 08 <b>09</b> commandTests: 10 11 # Is the MySQL package installed? <b>12</b> - name: "MySQL package</div> <div class="clear"></div> </div> <div class="view"> <div class="percent">18%</div> <div class="title"><a href="/Archive/2015/30/Using-the-MQTT-IoT-protocol-for-unusual-but-useful-purposes/(language)/eng-US">Using the MQTT IoT protocol for unusual but useful purposes</a></div> <div class="clear"></div> <div class="date">03.12.2015</div> <div class="breadcrumb_only" itemscope itemtype="http://data-vocabulary.org/Breadcrumb"> Home <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Archive', 'text-link'])" href="/Archive">Archive</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '2015', 'text-link'])" href="/Archive/2015">2015</a> </span> </span> <span class="separator">»</span> <span itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', 'Issue 30: OpenDaylight', 'text-link'])" href="/Archive/2015/30">Issue 30: OpenD...</a> </span> </span> <span class="separator">»</span> <span class="path" itemprop="url"> <span itemprop="title"> <a onclick="_gaq.push(['_trackEvent', '', '', 'text-link'])" href="/Archive/2015/30/Using-the-MQTT-IoT-protocol-for-unusual-but-useful-purposes"></a> </span> </span> </div> <div class="clear"></div> <div class="attribute-image"><a href="/Archive/2015/30/Using-the-MQTT-IoT-protocol-for-unusual-but-useful-purposes/(language)/eng-US"> <img src="/var/ezflow_site/storage/images/archive/2015/30/using-the-mqtt-iot-protocol-for-unusual-but-useful-purposes/po-25323-123rf-heiko_kuverling_resized.png/119487-1-eng-US/PO-25323-123RF-Heiko_Kuverling_resized.png_small.png" itemprop="image" alt="Lead Image © Heiko Küverling, 123RF.com" title="Lead Image © Heiko Küverling, 123RF.com"> </a></div> <div class="text">(msg.payload)) 07 08 mqtt = paho.Client() <b>09</b> mqtt.on_message = on_message 10 11 mqtt.connect("localhost", 1883, 60) <b>12</b> 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