01-02-2003
Thanks for all the help....
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Hi,
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I am looking to take a course in Unix that is very detailed which lasts for more than 6 months in length, which is very detailed and hands on. Can someone recommend a school which can provide me with the training I am looking for in Massachusetts, either In Boston or South of Boston. I... (2 Replies)
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hi all ;
i'm abeginner in hp ux , any one has a good reference step by step ,and any of you can tell me about any simulator to work as unix server machine.
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best regards;;
kafaween :D (1 Reply)
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Txs (1 Reply)
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Dear Gurus,
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niff(7) Miscellaneous Information Manual niff(7)
NAME
niff - Network Interface Failure Finder (NIFF) introductory information.
DESCRIPTION
The Network Interface Failure Finder, NIFF, is a facility for detecting and reporting possible failures in network interface cards (NICs)
or their connections. Detection is done by monitoring device counters and attempting to generate traffic to NICs suspected of having
failed. Reporting is done using the Event Manager subsystem (EVM). NIFF does not drive failover operations; that is the responsibility of
the application that subscribes to NIFF's EVM events. Appropriate courses of action may include selecting another network interface for
communication or if it is a clustered environment, migrating an application. See nr(7) for further information.
At the heart of NIFF is the traffic monitor thread. The traffic monitor thread tracks changes in the network device's counters, and notes
if the received packet counter remains unchanged since the previous snapshot. As long as the counter continues to increase, the traffic
monitor thread assumes the NIC is functioning. See nifftmt(7) for further information.
The traffic monitor thread can monitor any network interface. The configuration utility, niffconfig, is used to activate and administer
the traffic monitor thread. See nifftmt(7) and niffconfig(8) for further information.
The Network Interface Failure Finder daemon, niffd, is a traffic generator for network interfaces that have been classified inactive by the
kernel traffic monitor thread. The purpose of niffd is to get the interface packet counters to increment, signifying the interface is still
alive and well. See niffd(8) for further information.
SEE ALSO
:
nifftmt(7), nr(7), niffconfig(8), niffd(8) delim off
niff(7)