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Network configuration, troubleshooting

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Here are common problems with setting up the network, and solutions.
 
  
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==etc/==
 
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Except for a few exceptions, be sure that custom ''[[etc/]]'' settings are located under ''/usr/local/etc/''. /etc configurations can be updated by running processes. This explains why functionality can break, and may have to be updated if only relying on network configuration files in ''/etc'' .
 
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===rc.conf===
 
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''[[rc.conf]] is an exception and it belongs in ''/etc'' to be customized by the user.
 
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Be sure to have the lines:
 
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defaultrouter="192.168.[your gateway ip address here]"
 
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hostname="[your computer's host name]"
 
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To check your hostname, you may type at the command line:
 
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# uname -a
 
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These are common settings used for a wireless card; [[WPA Supplicant]] is used here:
 
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wlans_ath0="wlan0"
 
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ifconfig_wlan0="WPA DHCP"
 
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===hosts===
 
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Edit the file at /usr/local/etc/hosts
 
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The commented out line in ''[[hosts]]'' is artificially added here for explanation:
 
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#gateway ip    localhost    localhost.namedgateway
 
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192.168.x.x    localhost    localhost.yourgatewayname.com
 
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#the localhost variable can optionally be replaced with the name of your computer
 
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===resolv.conf===
 
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Edit the file /usr/local/etc/[[resolv.conf]] . A line containing "DNS" may have to be commented out from it, depending on your hardware.
 
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resolv.conf should look something like this:
 
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search gateway.yourgateway.com    # search + gateway. and the word name of your gateway ("gateway" is its localhost)
 
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nameserver 192.168.x.x            # nameserver + numerical ip of gateway
 
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==See also==
 
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* [[Gateway]]
 
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* [[Network Configuration (basic)]]
 
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* [[Network Configuration (manual)]]
 
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* [[Network Configuration (Advanced)]]
 
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* [[Network Address Translation]]
 
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==References==
 
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* Thanks to those who both ask and help answer relevant questions at FreeBSD related forums.
 
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[[Category:Configuring FreeBSD]]
 
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[[Category:FreeBSD for Servers]]
 
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[[Category:Important Config Files]]
 

Revision as of 10:18, 22 December 2014

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