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47%
RAM revealed
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© KrishnaKumar Sivaraman, 123RF.com
need to support error correction for ECC; if they do not, ECC modules will run without providing ECC support. Error-correcting modules are visibly identifiable if you check the number of soldered memory
47%
Workshop: Container virtualization with LXC on Ubuntu 10.04
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Tormod Rossavik, 123RF.com
change the /lxc/conf.guest configuration file, you need to delete the existing configuration by typing lxc-destroy -n guestname and then create a new one with lxc-create. The LXC how-to [1] provides
47%
The logging module in Python
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© svl861, 123RF.com
this: import logging The module provides static functions like debug, info, and warning that let you output information at different logging levels. The principle is perhaps best known from Unix
47%
Hiding a malicious file from virus scanners
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Ozphoto, Fotolia.com
a payload that will not match the available antivirus signatures. The Metasploit [1] penetration testing framework provides a collection of tools you can use to test a network by attacking it the way
47%
Service Management Facility (SMF) in OpenSolaris
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Steve Cukrov, Fotolia.com
of service names (svcs Service ); the -l option provides more detailed information. The -xv option gives an exhaustive list of all services that are enabled but not running and, thus, possibly preventing
47%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Kheng Ho Toh, 123RF.com
(NFS) [2]. NFS is available for more or less any operating system and to all intents and purposes only asks the operating system to provide a TCP/IP stack. The setup is also fairly simple. The Andrew
47%
Script utilities in depth: grep, awk, and sed
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© jirkaejc, 123RF.com
be combined to perform a specific job. Here, grep operates as a tool that extracts the desired portions from some larger block of information, providing utility and functionality to the Bash scripting
47%
Building more efficient database applications with a graph database
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Jakub Krechowicz, 123RF.com
but is released under the AGPLv3. This license also applies to the largest Enterprise edition, which contains replications and high availability. Neoclipse is the "visual graph database tool" provided
47%
Julia: A new language for technical computing
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
, let me provide my standard "MPI is still great" disclaimer. Higher level languages often try to hide the details of low-level parallel communication. With this "feature" comes some loss of efficiency
47%
Centralized software repository management
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© 1xpert, 123RF.com
locally and updates the packages at regular intervals. Obviously, this means that you need to provide a large amount of storage space up front. That said, Pulp can shift individual repositories out

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