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, cluster monitoring tool, and web-based cluster configuration tool.
The Piranha monitoring tool performs two main functions:
Heartbeating between active and backup load balancers.
Checking
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to the Qemu Monitor (Figure 6). A special command line lets you tinker with your virtual hardware and retrieve status information.
Figure 6: The Qemu Monitor
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/2008 R2 and Windows Vista/7, although it can also be used with Windows Server 2003 R2 or XP SP3.
In contrast to Windows' own performance monitor, the tool doesn't work with indicators that you have
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that they should be learned when just getting started with Linux, and the same goes for HPC-specific situations.
The ssh
command is a grand HPC command that you use as part of setting up, using, and monitoring HPC
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interval="0" timeout="60"
06 op stop interval="0" timeout="60"
07 op monitor start-delay="0" interval="1200"
08 meta resource-stickiness="0" failure-timeout="180"
Listing 2
STONITH
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includes tools such as dsniff, filesnarf, mailsnarf, msgsnarf, urlsnarf, and webspy, which passively monitor networks for data of interest. The arpspoof, dnsspoof, and macof tools help intercept network
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, such as plugging in or replacing a hard disk at run time. It also will monitor the processes it launches, if desired, and restart them in the case of a crash. To do all this, Upstart completely breaks
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/prerm.
With these scripts, you can install software, start services, and call a monitoring system to tell it exactly what's going on with the new instance.
For example, open ./DEBIAN/postinst and add something like:
curl
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intelligence bot that monitors a person's actions and prevents them from clicking, answering questions, responding to bogus surveys, or picking up the phone and carrying on a conversation. This fact doesn't mean
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, essentially creating a full-blown monitoring system that is scalable, versatile, and more informational.
For more information, see: https
