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  • Article (Print) (56)
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37%
Controlling multiple systems simultaneously with Synergy
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
©Kheng Ho Toh, 123RF.com
into the configuration file the name of the screen, its aliases, and its position relative to other devices – in both directions. Listing 1 contains an example with comments for the test case. The Synergy homepage ... 1
37%
Bundle your custom apps in a Debian package
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Cathy Yeulet, 123RF.com
the process will make you feel more comfortable about pushing changes live across your cloud. I talked to cloudy people about how to get code onto new instances, and I tried lots of different things ... 1
37%
Tracing applications with OProfile and SystemTap
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© boing, Photocase.com
1: OProfile architecture. To install OProfile, you need the kernel-debuginfo http://2 package, which provides the symbol to machine code mappings. Note that the kernel-debuginfo version must ... 1
37%
Performance testing monitoring solutions
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Kheng Ho Toh, 123RF.com
The Nagios environment [1] contains a large number of components that cooperate to provide a platform for monitoring IT systems. Starting with the Nagios core, which is responsible for running
37%
Fedora 16 dials up cloud and virtualization capabilities.
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
of the professional attention to Fedora 16 will fall on the new Linux kernel 3.1. The first thing to notice is that Fedora doesn't automatically benefit from the changes to the Btrfs filesystem, such as the modified
37%
Configuring the JBoss application server
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
HONGQI ZHANG, 123RF.com
components and services, such as transaction management, name and directory services, persistency and deployment services, and a security framework (Figure 1). A complete list is available in the Java EE
37%
Free backup tool for data centers
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© andresr, fotolia.com
system. Communication between the various Bacula daemons is handled via three ports registered with IANA (Table 1). Table 1 Bacula Ports Name Port Description bacula
37%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
you have collectl installed. You can see whether it is working by running the collectl command (Listing 1). If you see output, it is working correctly. To stop running collectl, just use Ctrl+C (^c
37%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Aleksey Mnogosmyslov, 123RF.com
compliance can save you a huge amount of trouble. Preparations Before you start writing the first line of code [1], it is a good idea to sort out a few details. You should always have the OCF standard
36%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
function (secs) = 0.255515 file: file_18597.pickle Line location in file = 5,661 The same thing can be done by analyzing the read() function output. The majority of data is read in the 1 to 10MB

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