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) or even be booted in a virtual environment. This virtual boot function is perfect for smaller companies. It lets administrators boot a ShadowProtect image directly in the free VirtualBox [3] environment
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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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topology has two or more Satellite Servers that are connected to RHN through the Internet (see Figure 3). Each Satellite Server is synced with the others. This topology enables each subnet or project office
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, POP3, or DNS. Thanks to its integrated SNMP trap and Syslog receiver, OpenNMS is capable of implementing centralized logging. Performance data can be collected via SNMP, WMI, HTTP, JMX, JDBC
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Protocol (CARP) is used in the background [3]. If needed, a pfSense installation can transfer its configuration to all other firewalls and then run pfsync to keep the state tables of all the active firewalls
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Scenarios:
21 cucumber /usr/lib/nagios/plugins/cucumber-nagios/checks/features/www.xing.com/startpage.feature:4 # Scenario: Visiting home page
22
23 1 scenario (1 failed)
24 4 steps (1 failed, 3 skipped)
25 0 ... 3
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ID.
Version 3.0 of the cluster suite (in RHEL 6 and Fedora 10 or later), replaces OpenAIS with Corosync [3]. Viewed superficially, not too many changes are seen between the two cluster managers ... 3
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then select Capture | Stop
to stop recording, and Wireshark will display all of the packets it has captured (Figure 3).
Figure 3: Launching Wireshark without
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cluster nodes, and the ext3 driver on node A wouldn't have the option of querying the state of the same DRBD resources on node B if it wanted to write to the medium.
In the worst case, a write to the DRBD
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. This prevents the sender from filling up the cache too quickly.
Port Scanners
Nmap [3], which recently went to version 5.0, is the Swiss army knife of port scanners. Portbunny [4] is a relatively new tool
