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17%
Getting started with the OpenStack cloud computing framework
28.06.2011
Home »  CloudAge  »  Articles  » 
 
) layer for the cloud, virtualizing the various hardware components and making them available through a standard API. The first OpenStack release (dubbed "Austin") became available October 22 [3]; The Open
17%
Look for file changes and kick off actions with Watchman
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © leksele, 123RF.com
Watchman is an open source tool developed by Facebook and released under the terms of Apache License 2.0. The Watchman website [1] states: "Watchman exists to watch files and record when they change
17%
Getting the most from your cores
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © ktsdesign, 123RF.com
straightforward. If a processor was operating at a fixed frequency of 2.0GHz, CPU utilization was the percentage of time the processor spent doing work. (Not doing work is idle time.) For 50% utilization
17%
Password protection with Phpass
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Michael Moeller, fotolia.com
is only defined to increase the number of potential hashes, this is not a security issue. Security Class Phpass works with PHP 3.0.18 or newer. If you want to make sure that Phpass will use Bcrypt as its
17%
Modern Fortran – Part 2
15.12.2016
Home »  HPC  »  Articles  » 
are over i = 2,n − 1 and j = 2,n −1. Here is how you can write the iteration over the domain using array notation: a(2:n-1,2:n-1) = 0.25 * &     (a(1:n-2,2:n) + a(3:n,2:n) + a(2:n,1:n-2) + a(2:n,3:n
17%
Automate macOS 12 with the Shortcuts app
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Kirsty Pargeter, 123RF.com
: https://support.apple.com/en-gb/guide/shortcuts-mac/apdf22b0444c/5.0/mac/12.0 Importing Automator workflows: https://support.apple.com/en-gb/guide/shortcuts-mac/apd02bffbaac/5.0/mac/12.0 Sharing
17%
Exploring dhcpy6d, a DHCP server for IPv6 networks
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Paul Herbert, 123RF.com
the following configuration for the widespread radvd (Linux IPv6 router advertisement daemon) [9]: interface eth0 { AdvSendAdvert on; AdvManagedFlag on; }; Radvd should not announce the prefix explicitly
17%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
runs the mknod /dev/hello c 254 0 command, execution stops, and you can inspect the variables. To continue program execution, enter the continue command. To isolate the debugger from the Linux system
17%
Data acquisition with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Dmitriy Syechin, 123RF
# If the line already exists .... 13 if [ $back -eq 0 ]; 14 then 15 echo "############### Line already exists! #############" 16 grep $keyfield $newdat 17 echo
17%
Clustering with OpenAIS and Corosync
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
brunoilfo, 123RF.com
Suite (RHCS) and use CMAN as their Cluster Manager. Depending on the version you use, the implementation will look total different. The initial variant (version 1.0) included with RHEL 4 or very old

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