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24%
OrientDB document and graph database
09.08.2015
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Lead Image © Victoria, Fotolia.com
database remote:localhost/discworld root plocal 03 04 create class Person extends V; 05 create property Person.birthday date; 06 07 create class Book extends V; 08 create property Book
24%
GNU Parallel: Multicore at the Command Line with GNU Parallel
04.11.2011
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. Listing 1: Running Many Commands at Once 01 $ cat commands 02 date 03 hostname 04 echo foo | md5sum 05  06 $ cat commands | parallel 07 Thu Jul  8 10:37:20 EST 2010 08 desktop‑machine 09 d3b07384d113edec49
24%
Getting started with Prometheus
28.11.2021
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Photo by Clay LeConey on Unsplash
_filesystem_avail_bytes{device="/dev/nvme0n1p1",fstype="vfat",mountpoint="/"} 7.7317074944e+11 node_filesystem_avail_bytes{device="tmpfs",fstype="tmpfs",mountpoint="/tmp"} 1.6456810496e+10 # HELP node_cpu_seconds_total Seconds the CPUs spent
24%
Failure to Scale
03.07.2013
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of Amdahl’s Law. For my theoretical application with p = 0.8, this works out to 5, just as the computations indicated. For p = 1, or perfectly scalable, a goes to infinity as n goes to infinity
24%
OpenLDAP Workshop
11.06.2014
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Lead Image © tiero, 123RF.com
of output provide information about the search and the type of output: # extended LDIF # LDAPv3 # base with scope subtree # filter: (objectClass=olcDatabaseConfig) # requesting: olc
24%
Serverless run times with custom Bash AWS Lambda layers
25.03.2020
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Lead Image © Eric Gevaert, 123RF.com
. In this article, I explore a relatively new addition to Lambda functions in AWS called "layers" and, with the use of a Bash layer provided on the GitHub page by author Graham Krizek [3], I run a Bash script
24%
Best practices for KVM on NUMA servers
20.05.2014
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Lead Image © Joe Belanger, 123RF.com
echo "${DOMAIN}: $DOM_STATE" 07 virsh numatune $DOMAIN 08 virsh vcpuinfo $DOMAIN | awk '/VCPU:/ {printf "VCPU" $NF } 09 /^CPU:/ {printf "%s %d %s %d %s\n", " on pCPU:", $NF, " ( part
24%
OpenStack installation with the Packstack installer
16.08.2018
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Lead Image © Tom Wang, Fotolia.com
, Packstack [1] is used for quickly setting up development or demonstration cloud environments. In this article, I present an example of an IaaS-type RDO [2] OpenStack Pike [3] installation using the Packstack
24%
Zuul 3, a modern solution for CI/CD
05.12.2019
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Lead Image © lightwise, 123RF.com
Zuul 3 brings a new approach to the DevOps challenge. (For more on these important DevOps concepts, see the "CI and CD" box.) Whereas other CI/CD tools like Jenkins, Bamboo, or TeamCity focus ... The Zuul 3 gating system is a free and flexible solution for continuous integration, delivery, and deployment. ... Zuul 3 ... Zuul 3, a modern solution for CI/CD
24%
Validating Docker containers
05.02.2019
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Lead Image © 36clicks, 123RF.com
Version: "2.0.0" 02 03 globalEnvVars: 04 - key: "MYSQL_USER" 05 value: "dev" 06 - key: "MYSQL_PASSWORD" 07 value: "123456" 08 09 commandTests: 10 11 # Is the MySQL package installed? 12 - name: "MySQL package

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