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47%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
is that it only provides a short-term view of system behavior (Figure 2). Looking out the window provides the longer range view, but the further away things are, the more difficult it is to discern their importance
47%
Using Expect scripts to automate tasks
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Kheng Ho Toh, 123RF.com
to your command. When you receive the expected response, you enter another command and so on. Expect works in the same way, except you have to provide the script with commands and expected responses
47%
Creating and evaluating kernel crash dumps
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Giuseppe Ramos, 123RF.com
provides the vmss2core command for this, but only with the workstation product in versions for Windows and Linux [9]. ESX admins do not have this option. Basically, vmss2core will also work outside
47%
The RADOS object store and Ceph filesystem: Part 2
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Kateryna Pruchkovska, 123RF.com
Name removes it. Inside RADOS One of the explicit design goals for RADOS is to provide seamlessly scalable storage. Admins should be able to add any number of storage nodes to a RADOS object store
47%
Effective honeypots with sensors on production systems
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© monophoto, 123RF.com
the honeypot in center stage. On the downside, because ordinary, low-interaction honeypots in particular often provide a characteristic set of simulated services, they can be identified as honeypots
47%
Managing SSH and other remote connections with PAC
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Ivan Datskov, 123RF.com
unusual layout. In the large panel on the top right, you will see the separate tabs for each of your active SSH and Telnet connections. The remaining buttons at the bottom right provide basic
47%
Exploring the differences between MariaDB and MySQL
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© iofoto, Fotolia.com
a version you have installed is of stable, beta, or other quality. The INFORMATION_SCHEMA.PROCESSLIST table has been given a new column, TIME_MS. This column provides the same information as the column TIME
47%
Filtering email with Sieve
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© radist777, 123RF.com
Ubuntu 10.04 provides as a package. By default, all of the Sieve control files reside in the user's home directory. For an initial test, you might want to use a dedicated user to avoid impacting your
47%
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
47%
Free backup tool for data centers
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© andresr, fotolia.com
attention to create a consistent backup and provide proprietary interfaces for the purpose. To address an interface of this kind, the Bacula file daemon has the ability to integrate backup plugins

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