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16%
The Lua Scripting Language
28.01.2014
Home »  HPC  »  Articles  » 
edition, which was published early last year. The first edition, available online refers to Lua 5.0. The language has now moved to version 5.2, but the online book is still up to date to a large extent
16%
Getting started with the OpenStack cloud computing framework
28.06.2011
Home »  CloudAge  »  Articles  » 
 
-Manage: novammanage user admin rwartala This process creates an access key and a security key: export EC2_ACCESS_KEY=713211a477a154470fUU ae543346b52e30a0e export EC2_SECRET_KEY=244de6a188aa344e12UU 9521003ac756abbdf
16%
Neglected IPv6 Features
06.08.2012
Home »  Articles  » 
 
by sending a router advertisement (RA) to the link-local multicast address FF02::1 (all nodes; Figure 3). Figure 3: Normally, a regular router responds
16%
Automation with PXE Boot
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Sergey Jarochkin, 123RF.com
File default menu.c32 prompt 0 timeout 100 ontimeout local menu title *** PXE Menu *** label 1 menu label ^1) Install CentOS x64 Edition kernel x64/vmlinuz append initrd=x64/initrd.img ks=http://192.168.0.52
16%
Using a Bash script to mirror external monitors
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © bowie15, 123RF.com
\ \([0-9]\+\)x\([0-9]\+\).*$/\1 \2 \3 \4 \5/p' )" 46 : connected_displays: ${connected_displays[@]} 47 : display_list: "$display_list" 48 49 if [[ -z "$display_list" ]] ; then 50 die "Could not find
16%
PowerDNS Authoritative server high availability with MariaDB Galera
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Sergey Nivens, 123RF.com
A quick edit of your pristine MariaDB server's configuration file /etc/my.cnf.d/server.cnf (1) binds the MariaDB service to the localhost and (2) connects and (3) creates the database: Bind-address = 127.0.0
16%
Better compression of web pages
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
and Brotli Comparison 01 -rw-r--r-- 1 sw sw 124 8 Sep 16:52 hello-world.html 02 -rw-r--r-- 1 sw sw 77 8 Sep 16:53 hello-world.html.br 03 -rw-r--r-- 1 sw sw 113 8 Sep 16:53 hello
16%
First steps in IT automation by Rex
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Konstantin Chagin , 123RF.com
architecture => 'i686' 10 kernel => 'Linux' 11 kernelrelease => '3.11.0-15-generic' 12 } 13 $hostname = 'sugar' 14 $operating_system = 'Ubuntu' 15 $operatingsystem = 'Ubuntu' 16 $operating
16%
Getting the most from your cores
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © ktsdesign, 123RF.com
_percent_local=psutil.cpu_percent(interval=interv,percpu=True); 52 cpu_percent.append(cpu_percent_local); 53 # end for 54 55 # Normalize epoch to beginning 56 epoch_list[:] = [x - epoch_list[0] for x in epoch_list]; 57 58 # Plots 59 60
16%
Udev with virtual machines
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © orangeline, 123RF.com
kernel ordinal number (%n). Listing 3 70-persistent-net.rules Rules for KVM: SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="52:54:00:*", KERNEL=="eth*", NAME="eth%n" Rules

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