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that will grow as they fill up. It makes sense for administrators to monitor the level of these directories constantly with the use of a monitoring solution like Nagios, for example.
Performance Tuning
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NAS offers are UFS, ZFS, ext2/3, FAT, NTFSm, and RAID-Z. You can monitor the server with SMART or via the logfiles, email, and SNMP. Again, management mainly relies on the web interface (Figure 1
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to monitor, but not become actively involved with, the client-server connection, even if individual rules are configured to let it do so. This setting is useful for testing the module and your own rules
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to set up an HA cluster, which could serve as a fail-safe web or mail server system. Instead of making individual services highly available, cluster managers create and monitor the complete virtual machine
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teaches performance analysis and tuning for various training service providers. Thanks to Jens Axboe for answering many questions and to Teamix for providing the test laptop.
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.crt files on the OpenVPN server. On the client side (a laptop in this case) you only need the CA.crt and tls-auth.key files. The client.pem file belongs on the e-token. The lower part of the figure shows
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Quagga to a monitoring system via SNMP traps or to analyze the details of the Zebra protocol [11].
Infos
Quagga project: http://www.nongnu.org/quagga/
Zebra routing daemon: http
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systems must be scaled up, monitoring must keep up with an ever increasing number of checks and metrics, and the admin might have a long-hedged wish to introduce a configuration management utility like
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is the IP Address Management (IPAM) server, which monitors and centrally manages the DHCP and DNS services. Installation is done as a server role.
Remote Management
Administrators can access servers
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a RADOS cluster: the MONmap, which is a list of all monitoring servers; the OSDmap, in which all physical Object Storage Devices (OSDs) are found; and the Crush map. OSDs themselves contain the binary
