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18%
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
on the broker (see Listing 2). Listing 2 Example Script 01 #!/bin/sh 02 03 source mqttfuncs.sh 04 05 mqtt Start 06 07 # for ... # long loop 08 mqtt "process now xyz `date`" 09 # done 10 11 mqtt "So
18%
Monitor your network infrastructure with SNMP
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © lightwise, 123RF.com
can query available and used memory using OIDs 1.3.6.1.2.1.25.2.3.1.5.101 and 1.3.6.1.2.1.25.2.3.1.6.101 ; you can see the average CPU load of the last 15 minutes with the OID 1.3.6.1.4.1.2021.10.1.5.3
18%
Developing RESTful APIs
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © bowie15, 123RF.com
-Agent: curl/7.51.0 08 > Accept: */* 09 > 10 < HTTP/1.1 200 OK 11 < Content-Type: application/json 12 < Content-Length: 382 13 < X-Content-Type-Options: nosniff 14 < Server: WEBrick/1.3.1 (Ruby/2.3.3
18%
A self-healing VM system
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © THISSATAN KOTIRAT , 123RF.com
_username }}" 05 password: "{{ Vv_password }}" 06 name: "{{ vm_name }}" 07 datacenter: "{{ Vv_datacent }}" 08 folder: "{{ Vv_folder }}" 09 state: poweredoff 10 when: vm
18%
Best practices for KVM on NUMA servers
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Joe Belanger, 123RF.com
Viewing Server Topology 01 # numactl --hardware available: 8 nodes (0-7) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 node 0 size: 16373 MB node 0 free: 15837 MB node 1 cpus: 10 11 12 13 14 15 16 17 18 19 node 1
18%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
if (setsockopt(sock, IPPROTO_TCP, TCP_STEALTH, secret, sizeof(secret))) { 08 printf("setsockopt() failed, %s\n", strerror(errno)); 09 return 1; 10 } 11
18%
Blending Java with other programming languages
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Ivan Mikhaylov, 123RF.com
import java.io.*; 04 import java.util.*; 05 06 public class Readline { 07 08 [...] 09 10 public static final void load(ReadlineLibrary lib) throws UnsatisfiedLinkError { 11 [...] 12 System
18%
CI/CD deliverables pipeline
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image by serhat-beyazkaya, Unsplash.com
@eisfair.org> 03 04 # Install git, show Go version and install github-release 05 RUN apk add git \ 06 && go version \ 07 && go get github.com/aktau/github-release 08 09 # Create mountpoint for file to upload 10
18%
Security data analytics and visualization with R
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Rancz Andrei, 123RF.com
(plyr) 06 library(ggplot2) 07 08 setwd("~/R/RFI") 09 rfi <- read.csv("rfi-extract-July2011.log",header=TRUE, sep=",") 10 11 ## read in data to frame 12 data <- data.table(rfi) 13 ct <- count
18%
Environment Modules
23.02.2012
Home »  HPC  »  Articles  » 
------------------------------------------- /opt/apps/intel11_1/modulefiles ------------------------------------------- fftw3/3.2.2 gotoblas2/1.08 hdf5/1.8.4 mkl/10.2.4.032 mvapich2/1.4 netcdf/4.0.1 openmpi/1

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