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Network configuration 139

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the file /etc/nscd.conf and search for the line:

positive-time-to-life hosts 3600

Change the value to:

positive-time-to-life hosts 260000

This will remember the name for about three days (~a weekend).

This information is also available form the Bruker Knowledge Base item 5762:

http://www.bruker-biospin.de/shell/bkb/show_bug.cgi?id=5762

10.9 Network diagnostic commands

Here is a list of the most important network diagnostic commands as they can be

entered from the shell:

• arp - displays or modifies the IP to physical address translation tables

• hostname - displays the short name of the current host

• hostname -f - displays the full qualified name of the current host

• host IP - displays the name that is connected with this IP

• ifconfig - displays information about the current TCP/IP configuration

• netstat - displays protocol statistics and current TCP/IP connections

• ping - checks if a destination host is receiving TCP/IP packets

• route - maintains and displays routing tables

• traceroute - displays the route, packets take to a destination host

• mii-tool - list all ethernet cards and show if they work or not

For more details about commands you can enter either:

man <command>

<command> --help

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Red Hat ENTERPRISE LINUX WS 2.1 - Guia de Instalação Página 139