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Operating Systems Linux Red Hat Server Hang in Linux RHEL 5.5 Post 302925389 by jegaraman on Monday 17th of November 2014 02:15:14 AM
Old 11-17-2014
Server Hang in Linux RHEL 5.5

Dear All ,

One of our Oracle Database Server , which got hanged a couple of days before , so that we could not login to the Server , but it was pinging.
So we tried various options and at last we did a reboot of this server.
To find out the root cause of the Server Hang , when i checked the logs in /var/log /messages , i dont find any entry in the period it got hanged and logs are updated after the restart.

To find out the RAM , CPU Usage also , i checked sar outputs , there also i dont find any entry for the day it got hanged.

Now i want to know how to find the root cause for this.

Can any one pl help me.
 

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Net::Server::Proto::UDP(3pm)				User Contributed Perl Documentation			      Net::Server::Proto::UDP(3pm)

NAME
Net::Server::Proto::UDP - Net::Server UDP protocol. SYNOPSIS
See Net::Server::Proto. DESCRIPTION
Protocol module for Net::Server. This module implements the SOCK_DGRAM socket type under INET (also known as UDP). See Net::Server::Proto. PARAMETERS
The following paramaters may be specified in addition to normal command line parameters for a Net::Server. See Net::Server for more information on reading arguments. udp_recv_len Specifies the number of bytes to read from the UDP connection handle. Data will be read into $self->{'server'}->{'udp_data'}. Default is 4096. See IO::Socket::INET and recv. udp_recv_flags See recv. Default is 0. udp_broadcast Default is undef. QUICK PARAMETER LIST
Key Value Default ## UDP protocol parameters udp_recv_len d+ 4096 udp_recv_flags d+ 0 udp_broadcast bool undef INTERNAL METHODS
"object" Returns an object with parameters suitable for eventual creation of a IO::Socket::INET object listining on UDP. "connect" Called when actually binding the port. Handles default parameters before calling parent method. LICENCE
Distributed under the same terms as Net::Server perl v5.14.2 2012-05-29 Net::Server::Proto::UDP(3pm)
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