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Automating system configuration with Ansible AWX
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Rungaroon taweeapiradeemunkohg, 123RF.com
. Search for the following lines in the inventory file: pg_username=awx pg_password=awxpass pg_database=awx pg_port=5432 After pg_username= and pg_password=, replace the access information for the Postgre ... 48
69%
Symbolic mathematics with Python's SymPy library
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Buchachon Petthanya, 123RF.com
and simplifying expressions; functions for symbolically solving equations and ordinary and partial differential equations; two- and three-dimensional (2D and 3D) plotting; and much more (e.g., see the Sym ... 48
69%
Assess USB performance while exploring storage caching
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
is at all a concern. (See Brendan Gregg's table of computer speed in human time [3].) The operating system itself provides the most visible manifestation of this design in Linux: Any RAM not allocated ... 48
69%
Debugging Bash scripts automatically
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Andre Zhak, 123RF.com
Eclipse ZIP archive from SourceForge [3]; while the IDE is shut down, move the two JAR files to the /home//java-oxygen/eclipse/dropins directory. Note that Eclipse tends to exhibit several bugs when ... 48
69%
Exploring SQL Server on Linux
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © yewkeo, 123RF.com
. At the time of writing, some core-based engine feature limitations remain, and only the SQL Server integration service is supported on Linux, as shown in Figure 3. Other BI modules are currently out of scope ... 48
69%
Installing and operating the Graylog SIEM solution
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
], and MongoDB 3.6 [3]. If not already present, installing Java (as root or using sudo) before Elasticsearch and MongoDB is recommended: yum install java-1.8.0-openjdk-headless.x86_64 You should remain root ... 48
69%
Workflow-based data analysis with KNIME
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Andrea De Martin, 123RF.com
Gateway Initiative (OSGI) technology. The latest version (version 3.7) is available at the project website [1], where you will also find other introductory materials, including blogs, videos, and sample ... 48
69%
Open source multipoint VPN with VyOS
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Photo by Damon Lam on Unsplash
version of Vyatta, most notably VyOS [3]. The fork was successful, because VyOS includes all the DMVPN components: dynamic routing with high availability on top. EdgeOS Another player in the Vyatta market ... 48
69%
Link aggregation with kernel bonding and the Team daemon
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Steven Cukrov, 123rf.com
, it is no problem to configure libteam with system tools, because it was invented by Red Hat (Figure 3). Figure 2: The bonding driver can be configured directly ... 48
69%
Resource Management with Slurm
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Vladislav Kochelaevs, fotolia.com
In previous articles, I examined some fundamental tools for HPC systems, including pdsh [1] (parallel shells), Lmod environment modules [2], and shared storage with NFS and SSHFS [3]. One remaining ... 48

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