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20%
Protecting the production environment
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Photo by Intricate Explorer on Unsplash
_name, 03 Stdlib::Absolutepath $config_file, 04 String $service_name, 05 Stdlib::Ensure::Service $ensure = 'running', 06 Boolean $enable = true, 07 ) { 08 package { $package_name: 09
20%
Bare metal deployment with OpenStack
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Photo by Anatolii Nesterov on Unsplash
_httpboot 03 local bifrost_ironic 04 local bifrost_mariadb 05 local bifrost_tftpboot 06 07 # ll -h /var/lib/docker/volumes/bifrost_httpboot/_data/ 08 [...] 09 -rw-r--r-- 1 42422 42422 6.1G Mar 2 10
20%
Time-series-based monitoring with Prometheus
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
('request_processing_seconds', 'Time spent processing request') 07 08 # Decorate function with metric. 09 @REQUEST_TIME.time() 10 def process_request(t): 11 """A dummy function that takes some time.""" 12 time.sleep(t) 13 14
20%
Security in the AWS cloud with GuardDuty
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © xcfoto, 123RF.com
"guardduty:*" 08 ], 09 "Resource": "*" 10 }, 11 { 12 "Effect": "Allow", 13 "Action": [ 14 "iam:CreateServiceLinkedRole" 15 ], 16 "Resource": "arn:aws:iam
20%
Exploring Kubernetes with Minikube
11.09.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
: 2 09 template: 10 metadata: 11 labels: 12 run: nginx-dep 13 spec: 14 containers: 15 - name: nginx-dep 16 image: nginx17 ports: 18
20%
Using the MQTT IoT protocol for unusual but useful purposes
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
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
20%
OrientDB document and graph database
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Victoria, Fotolia.com
.translation embeddedmap; 09 10 create class Relation extends E; 11 create property Relation.from date; 12 13 create class Appear extends E; 14 create property Appear.chapter embeddedlist integer 15 16 insert into Person
20%
Automate your VMware configuration with Puppet
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © astragal, 123RF.com
a public key with hash 31452e1f896 f71542b6b9198188de1b5e59f5af62ffcefdc261df324636c90c7 but we're expecting a hash of XXX. If you are sure the remote system is authentic set
20%
Improving performance with environment variables
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © sgame, fotolia.com
,048 0.776039 22.137891 1.612694 10.652902 0.199173 86.256026 0.455025 37.755903 4,096 5.855209 23.472936 12.275261 11
20%
Graph database Neo4j discovers fake reviews on Amazon
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Image by Gerd Altmann from Pixabay
/ioutil" 09 "log" 10 ) 11 12 type Config struct { 13 Reviews map[string][]string 14 } 15 16 func main() { 17 yamlFile := "reviews.yaml" 18 data, err := ioutil.ReadFile(yamlFile) 19 if err != nil { 20

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