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Operating Systems Linux Red Hat SSH connection drops in 5 minutes Post 302673891 by Corona688 on Wednesday 18th of July 2012 01:58:19 PM
Old 07-18-2012
Drops even when busy, or only when idle?

Putting settings into /proc/ for keepalives isn't too great an idea since it will apply to all your connections, even ones which don't need it, increasing your bandwidth a lot. Getting the right combination of settings to do what you actually want can be tricky, too.

I usually use libkeepalive when I need to connect to something with obnoxious timeouts. It can be applied to a single program, works for anything(intercepting socket calls to impose default keepalive settings when a program creates a TCP socket) and is relatively easy to configure.
 

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PCCARDCTL(8)						      System Manager's Manual						      PCCARDCTL(8)

NAME
pccardctl - PCMCIA card control utility lspcmcia - display extended PCMCIA debugging information SYNOPSIS
pccardctl [-V] [-v ...] command [socket] lspcmcia [-V] [-v ...] [socket] DESCRIPTION
pccardctl is used to monitor and control the state of PCMCIA sockets. If a socket number is specified, the command will be applied to just one socket; otherwise, all sockets will be affected. If pccardctl is executed by root, all commands are available. If it is executed by an unpriviledged user, only the informational commands are accessible. lspcmcia is an alias for pccardctl ls, provided for convenience. COMMANDS
status Display the current socket status flags. config Display the socket configuration, including power settings, interrupt and I/O window settings, and configuration registers. --not yet implemented ident Display card identification information, including product identification strings, manufacturer ID codes, and function ID codes. Not yet implemented for cardbus cards. Use lspci instead. info Much like the ident command, but its output is formatted as a series of Bourne-stype shell variable definitions for use in scripts. Not yet implemented for cardbus cards. ls Display extended debugging information about the PCMCIA sockets and devices present in the system. suspend Shut down and then disable power for a socket. resume Restore power to a socket, and re-configure for use. eject Notify all client drivers that this card will be ejected, then cut power to the socket. insert Notify all client drivers that this card has just been inserted. OPTIONS
-V Show version information and exit. -v Increase the verbosity of the ls command. Giving this option twice increases verbosity further. AUTHOR
Daniel Ritz - daniel.ritz@gmx.ch based upon the original cardctl man page by David Hinds - dahinds@users.sourceforge.net pcmciautils 2005/10/22 PCCARDCTL(8)
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