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18%
Time-series-based monitoring with Prometheus
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
a Python application for Prometheus [22]. After you launch the demo application, you check out the generated metrics at http://localhost:8000 . Listing 2 Instrumenting a Python Application 01
18%
Monitoring container clusters with Prometheus
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Guido Vrola, 123RF.com
more. One interesting Kubernetes subproject named kube-state-metrics [22] retrieves information relating to existing objects from the Kubernetes API and generates new metrics: kubectl create -f 08-kube
18%
Correctly integrating containers
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Beboy, Fotolia.com
16 - podSelector: 17 matchLabels: 18 role: frontend 19 ports: 20 - protocol: tcp 21 port: 6379 22 [...] If the network layer receives a change in the container
18%
Puppet Bolt orchestration tool
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Photo by lee junda on Unsplash
docker-compose.yaml version: '3' services: target1: build: . ports: - '3000:80' - '2000:22' container_name: target1 target2: build
18%
Policy rulesets in cloud-native environments
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Lead Image © bloomua, 123RF.com
": [ 16 { 17 "GroupName": "RND-Admins" 18 } 19 ] 20 }, 21 { 22 "Path": "/", 23 "UserName": "guido", 24 "Arn": "arn:aws:iam::123456789:user/guido", 25
18%
Harden your Apache web server
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
sensible defaults (e.g., in version 2.2, RequestReadTimeout was still set to  ). LimitRequestBody also has a value of zero in the current Apache version, which means that a client is always allowed
18%
Develop your own scripts for Nmap
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Raman Maisei, 123RF.com
, it outputs the message Hello World! . To test the script on a local web server, run the following command: # nmap --script /path/http-vuln-check local targetlhost -p 22,80,443 The output should look
18%
Jira, Confluence, and GitLab
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © Iaroslav Neliubov, 123RF.com
_python_interpreter variables ideally remain unchanged: They cause Python to connect to the host on standard SSH port 22 and to use Python 3 when calling commands on the target system. Next, check whether the devops.hosts setup
18%
Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © jeka81, 123RF.com
: $ curl http://169.254.169.254/openstack 2012-08-10 2013-04-04 2013-10-17 2015-10-15 2016-06-30 2016-10-06 2017-02-22 To retrieve a list of supported versions for the EC2-compatible metadata API, enter
18%
Documentation Tools for Admins
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Sorin Colac, 123RF.com
Tracker [22] is written in Perl and was released under the GPL. The company behind it, Best Practical Solutions, offers support. The current version is 4.2; the installation requires Apache with mod

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