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cwshu/netconfig_by_cli.rst

Last active August 29, 2015 14:04
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netconfig_by_cli.rst

ethernet

  • ifconfig eth0 <IP> netmask <netmask>
  • route add default gw <gateway>
  • edit /etc/resolv.conf
    • nameserver <DNS>
variable example
  • <IP> = 192.168.1.10
  • <netmask> = 255.255.255.128
  • <gateway> = 192.168.1.126
  • <DNS> = 8.8.8.8

wireless

command intro

  • ifconfig # network config
  • iwlist # scan wireless
  • iwconfig # wireless network config
  • dhclient # dhcp
  • wpa_passphrase # generate wpa.conf file, with wireless SSID and WPA Shared Key(password)
  • wpa_supplicant # connect to WPA wireless network

usage

  • ifconfig # find your NIC's interface, ex. wlan0
  • ifconfig <interface> up
  • iwlist <interface> scan

example: <interface> = wlan0

non wpa wireless

  • iwconfig <interface> essid <SSID> key s:<wireless_key>
    • s: for ascii key, default HEX key
  • dhclient <interface>

wpa wireless

  • wpa_passphrase <SSID> >> /etc/wpa_supplicant.conf
    • input SSID's WPA Pre-Shared Key(password)
  • wpa_supplicant -B -D wext -i <interface> -c /etc/wpa_supplicant.conf
    • -i <interface>
    • -c <conf_file>
    • -D <driver>: specify wireless driver, wext is the generic driver.
    • -B: run in background

reference

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