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17%
Improved Performance with Parallel I/O
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Ying Feng Johansson, 123RF.com
. The speed-up increases from 1.00 with one process to 4.71 using 64 processes. Of course, the wall clock time for the serial portion of the application does not change; it stays at 200 seconds regardless
17%
Apache Storm
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Sergei Tryapitsyn, 123RF.com
-cluster on which ZooKeeper and the different Storm components can be run side by side. Storm requires the use of ZooKeeper from version 3.3.x onward. You can install the latest version 3.4.6 using the following
17%
Programming with Node.js and JavaScript
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © lightwise 123rf.com
that Node is no longer limited to web applications but is even used for classic system tools. Thus, the administration tools in SmartOS [4] are based on Node – which is perhaps less surprising if you know
17%
Documentation Tools for Admins
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
Lead Image © Sorin Colac, 123RF.com
contributors [4]. Currently, MediaWiki presupposes an installed PHP server version 5.3.2 or later, with a MySQL, PostgreSQL, or SQLite database tied in. Using an LDAP extension [5], administrators can ensure
17%
Secrets and certificate management
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © phive2015, 123rf.com
-value secrets engine as its default [4]. HashiCorp has more information on getting started with secrets engines on their website [5]. Think of a secrets engine in Vault as a type of virtual filesystem
17%
Tools that extend Bash scripting
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Laschon Maximilian, 123RF.com
. In essence, you can use tput for creating ASCII interfaces without having to use curses [4] or another tool. Using the tput command is pretty darn simple. The man pages don't give you a great deal of detail
17%
Efficiently planning and expanding the capacities of a cloud
02.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © digifuture, 123RF.com
. For example, if you commit a virtual CPU, you have to add at least 4GB of RAM, because it is the smallest available option. Cloud providers have not switched to this system because they want to annoy
17%
Software-defined networking in OpenStack with the Neutron module
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Michael Roder, Fotolia.com
forwards announcements to the border gateway for those IPv4 addresses that are actually used in the cloud. A BGP-based solution offers more possibilities, but of course, it is also clearly more complex
17%
Build storage pools with GlusterFS
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © jala, Fotolia.com
Volume ID: 4f8d25a9-bbee-4e8c-a922-15a7f5a7673d Status: Started Number of Bricks: 1 x 2 = 2 Transport-type: tcp Bricks: Brick1: gluster1:/storage/brick1/gv0 Brick2: gluster2:/storage/brick1/gv0 Options
17%
Your own AWS-compatible cloud with Eucalyptus
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Author, 123RF.com
]. The computers should have at least 4GB of RAM and a 250GB hard disk – the more memory, the more virtual machines can be started in the cloud. Additionally, you need an extra set of free IP addresses

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