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  • [x] Creation time: Last year
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  • Article (Print) (134)
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17%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
s 04 4> JOIN employees e ON (s.employee_id = e.employee_id) 05 5> WHERE s.sale_date > trunc(sysdate) - INTERVAL '6' MONTH 06 6> AND s.eur_value >= 10; 07 Explained. 08 09 SQL> select * from table
17%
Using Expect scripts to automate tasks
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Kheng Ho Toh, 123RF.com
conservatively originally 21 if {$force_conservative} { 22 set send_slow {1 .1} 23 proc send {ignore arg} { 24 sleep .1 25 exp_send -s -- $arg 26 } 27 } 28
17%
Server virtualization with VirtualBox
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Federico Caputo, 123RF.com
also starts automatically after a reboot. Next, install the packages required for running phpVirtualBox: sudo apt-get install apache2-mpm-prefork apache2-utils apache2.2-bin apache2.2-common apache2
17%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
under the 18 # following copyright: 19 # 20 # (c) 2002-2005 International Business Machines, Inc. 21 # 2005-2010 Linux-HA contributors 22 # 23 # See usage() function below for more details ... 24 # 25
17%
More than password protection, htaccess has you covered
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Dmitry Bruskov, 123RF.com
on the Internet, comfortably surpassing the mark of 100 million websites some time ago, so I hope you'll find that these examples are applicable to a multitude of scenarios. Myths and Folklore A common
17%
Bundle your custom apps in a Debian package
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Cathy Yeulet, 123RF.com
should fail nicely, so if you start 10 instances when your app gets 6 million tweets, you at least want them to deliver a nice page before they're ready to do business. To begin, Create a directory
17%
Service management by the book
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Michael Flippo, Fotolia.com
, RequestTracker (RT) [6] is definitely on the low end, although it does have a better "look and feel" than OTRS and some other tools (Figure 3). I would categorize it as low to mid-range, because it provides
17%
Windows Performance Toolkit and System State Analyzer
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Ewa Walicka, fotolia.com
(WSSA) belongs to the Software Certification Toolkit and is available in 32-bit and 64-bit versions [6] [7]. Before you can use the tool for test purposes, you first need to create a snapshot; then you
17%
Modern network diagnostics on Windows and Linux
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Photo by Nk Ni on Unsplash
refined by the -4 or -6 options to limit the results to IPv4 or IPv6 connections. The -f flag lets users specify an address family (e.g., inet for IPv4 and IPv6 or unix for Unix domain sockets), providing
17%
Boost performance of your Python programs
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Eric Isselée, 123RF
Python code designed with threading is to use the built-in multiprocessing package included in Python from version 2.6 on. This package provides an API similar to the threading Python module. Although

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