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18%
IPv6 Tables
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © gepard1979, 123RF.com
, you can define the following anti-spoofing rules: # Anti-spoofing ip6tables -A INPUT ! -i lo -s ::1/128 -j DROP ip6tables -A INPUT -i $WAN_IF -s FC00::/7 -j DROP ip6tables -A FORWARD -s ::1/128 -j DROP ... 20
18%
Obtain certificates with acme.sh
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Stuart Miles, 123RF.com
/.acme.sh/www.example.com/www.example.com.cer -noout -issuer -subject -dates -serial issuer= /C=US/O=Let's Encrypt/CN=R3 subject= /CN=www.example.com notBefore=Feb 21 13:00:28 2021 GMT notAfter=May 22 13:00:28 2021 GMT serial=03B46ADF0F26B94C19443669
18%
Exploring Kubernetes with Minikube
11.09.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
- containerPort: 80 19 20 --- 21 22 apiVersion: v1 23 kind: Service 24 metadata: 25 name: nginx-svc 26 labels: 27 run: nginx-svc 28 spec: 29 type: NodePort 30 ports: 31 - port: 80 32 protocol
18%
Aggregating information with Huginn
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © it Ilka Burckhardt, Fotolia.com
. The required modifications are explained in the Huginn wiki [3]. The software is based on Ruby on Rails [4] and therefore requires an installed Ruby environment; in fact, it needs version 2.2 or 2.3
18%
Safeguard and scale containers
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © cepixx, 123RF.com
), Kubernetes is written in Go and available under the Apache 2.0 license; the stable version when this issue was written was 1.3. Figure 1: Kubernetes comes
18%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
generic-service 21 host_name ubuntusrv 22 service_description Current Users 23 check_command check_nrpe!check_users!20!50 24 } 25 26 define
18%
PowerTOP
21.10.2011
Home »  Articles  » 
 
-saving functions in kernel 2.6.37. Future distributions of Ubuntu 11.04 and openSUSE 10.4 will use this version. Additionally, PowerTOP 2.0 accesses the kernel’s “perf” infrastructure to retrieve more precise data
18%
A new approach to more attractive histograms in Prometheus
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Markus Winkler on Unsplash
.HistogramOpts{ Name: "prometheus_http_request_duration_seconds", Help: "Histogram of latencies for HTTP requests.", - Buckets: []float64{.1, .2, .4, 1, 3, 8, 20, 60, 120}, + NativeHistogramBucketFactor: 1
18%
Improved Performance with Parallel I/O
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Ying Feng Johansson, 123RF.com
% parallelizable (20% is serial, primarily because of I/O). For one process, the wall clock time is assumed to be 1,000 seconds, which means that 200 seconds is the serial portion of the application. By varying
18%
Automating development environments and deployment with Otto
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © baloncici, 123RF.com
of continuous integration [2] or continuous delivery [3], allowing developers to extend their projects quickly, add new features, and deliver the goods. Because they handle classical administrative tasks

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