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16%
Prepare, analyze, and visualize data with R
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Buchachon Petthanya, 123RF.com
(version 0.8) and dplyr (version 0.8) packages. The example in Listing 4 creates a small data frame with the columns a, b, and colour. R then computes the c and sum columns with the R base and dplyr
16%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
use generic-host 03 host_name ubuntusrv 04 alias server2 05 address 192.168.7.51 06 } 07 define service{ 08 use generic-service 09 host_name ubuntusrv 10
16%
The AWS CDK for software-defined deployments
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © krisckam, 123RF.com
class HelloCdkBase extends cdk.Stack { 05 public readonly vpc: ec2.VpcNetworkRefProps; 06 07 constructor(parent: cdk.App, name: string, props?: cdk.StackProps, env?: string) { 08 super
16%
A Distributed SQL Database
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Sonika Agarwal on Unsplash
, author, publication_date, price) VALUES ('1984', 'George Orwell', '1949-06-08', 14.99); SELECT * FROM books; As long as a majority of the replicas (in this case, at least two out of three) are operational
16%
SmartOS as a virtualization platform
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Paulus NR, 123RF.com
": 2048, 07 "resolvers": ["192.168.111.254"], 08 "disks": [ 09 { 10 "image_uuid": "1fc068b0-13b0-11e2-9f4e-2f3f6a96d9bc", 11 "boot": true, 12 "model": "virtio" 13 } 14 ], 15
16%
Network backups with Amanda
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Tommaso Lizzul, 123RF.com
/state/log" 05 dumpuser "amanda" 06 labelstr "MyData[0-9][0-9]" 07 autolabel "MyData%%" EMPTY VOLUME_ERROR 08 tpchanger "chg-disk:/amanda/vtapes" 09 tapecycle 4 10 dumpcycle 3 days 11 amrecover_changer "changer
16%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
B/s ( 2.2 Gbit/s) 128 KiB blocks: 2176.5 IO/s, 272.1 MiB/s ( 2.3 Gbit/s) 256 KiB blocks: 751.2 IO/s, 187.8 MiB/s ( 1.6 Gbit/s) 512 KiB blocks: 448.7 IO/s, 224.3 MiB/s ( 1.9 Gbit/s) 1 MiB blocks
16%
Microsoft Exchange replacement
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Photo by Gabriel Crismariu on Unsplash
-chat Version 2021.08.1 introduced a menu for the setup routine, from which admins can select or deselect modules. Grommunio claims that the choice of clients for the basic feature set is almost unrestricted
16%
Monitor your network infrastructure with SNMP
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © lightwise, 123RF.com
/bin/rpi-update \ https://raw.githubusercontent.com/Hexxeh/rpi-update/master/rpi-update && \ chmod +x /usr/bin/rpi-update 08 $ sudo rpi-update 09 $ sudo reboot I enabled SNMP agents on all the access points used
16%
Automatic build and deploy with OpenShift and GitLab CI
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Photo by Jantine Doornbos on Unsplash
: ebits/openshift-client 02 03 stages: 04 - deployToOpenShift 05 06 variables: 07 OPENSHIFT_SERVER: https://openshift.ext.cetic.be:8443 08 OPENSHIFT_DOMAIN: openshift.ext.cetic.be 09 # Configure

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