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], Fabric [3], or Capistrano [4], MCollective relies on middleware based on the publish/subscribe method to launch jobs on various nodes. The middleware supported by the framework can be any kind of STOMP
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to install RADOS and Ceph. Ceph, which is a plain vanilla filesystem driver on Linux systems (e.g., ext3 or ext4), made its way into the Linux kernel in Linux 2.6.34 and is thus available for any distribution
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but comprehensively documented [3]. It logs HTTP requests and gives administrators unrestricted access to the individual elements of a request, such as the content of a POST
request. It also identifies attacks in real
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assumes that you're familiar with the basic premise of Splunk and have heard of or used OSSEC (a host-based intrusion detection system) [2] and Snare (auditing and event-log manager) [3].
Some choices need
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can be installed on Red Hat Enterprise (RHEL) [3], Fedora [4], or CentOS [3] Linux. Note that Spacewalk does need a current Java Runtime Version 1.6.0 or newer. You can use the Open JDK for this; Fedora
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Pulp, you will find prebuilt RPM packages for Fedora, Red Hat Enterprise Linux, and CentOS [2]. You can access the source code via the Git repository [3]. After downloading the Yum repository
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the .NET framework installer to the same location.
Before installing your first agent, connect to the MMSOFT website [3] and set up your free account. Each agent installation requires you to enter
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machine. On the basis of these hardware conditions, I gradually increased the number of checks, starting with 1,000 checks, then moving up to 1,400, and finally 2,200.
Figure 3 shows how Nagios latency
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on plugins to handle STONITH commands (Figure 3); this is a separate module for the cards just referred to or the generic IPMI plugin. STONITH is then configured via Cluster CIB, (i.e., the Cluster Information
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-g blkio:/dd
The command in Listing 3 tells you which parameters are available for the Block I/O subsystem.
Listing 3
Block I/O Subsystem
01 # cgget -g blkio /dd
02 /dd:
03 blkio
