WLAN

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WLAN

This wiki page describes how to prepare and connect a wireless adapter for host use in Proxmox VE. Example connects to a WPA/WPA2 network

Setup

find adapter name:

 $ ip addr

bring interface down:

 # ifdown $WLAN_NIC

backup configuration:

 # cp /etc/network/interfaces /etc/network/interfaces.bak

restrict permissions:

 # chmod 0600 /etc/network/interfaces

calculate WPA PSK hash for wireless-network:

 $ wpa_passphrase $NETWORK_name $SECRET_password
  • output:
 network={
         ssid="$NETWORK_name"
         #psk="$SECRET_password"
         psk=$HASHED_password
 }
  • if no password included: you will be prompted '# reading passprhase from stdin' where you enter it there
  • use \ if $NETWORK_name has spaces
    • E.g: "My Home Network" would be "My\ Home\ Network" for $NETWORK_name

copy $HASHED_password and choose a method:


method 1

/etc/network/interfaces

  • best for desktops with WLAN modules?

add to /etc/network/interfaces:

 ...
 auto wlp3s0
 iface wlp3s0 inet dhcp
           wpa-ssid $NETWORK_name
           wpa-psk $HASHED_password
 ...


method 2

/etc/wpa_supplicant/wpa_supplicant.conf

  • best for roaming laptops?

create file /etc/wpa_supplicant/wpa_supplicant.conf:

 ctrl_interface=/var/run/wpa_supplicant
 ap_scan=1
 network={
         ## home settings
         ssid=$NETWORK_name
         key_mgmt=WPA-PSK
         psk=$HASHED_password
 }
 network={
         ssid="MyFriendsWirelessLAN"
         key_mgmt=NONE
         wep_key0="HerPasswd"
         wep_tx_idx=0
 }
 network={
         ssid="OpenHotSpotProvider"
         key_mgmt=NONE
 }
 network={
         scan_ssid=1
         key_mgmt=NONE
 }
 network={
         ssid="eduroam"
         scan_ssid=1
         key_mgmt=IEEE8021X
         eap=TTLS
         anonymous_identity="anonymous@your.school"
         identity="yourID@your.school"
         password="yourPassword"
         phase2="auth=PAP"
         ca_cert="/path/to/certificates/eduroam.der"
         priority=2
 }

references

cleaning up

manually assign IP on router

  • consult your DHCP server

change root adapter IP address:

 # ifconfig $WLAN_NIC $IP_ADDRESS netmask $NETMASK

if required, change Default Gateway:

 # route add default gw $IP_GATEWAY $WLAN_NIC

check settings on routing table:

 $ route -n

bring network adapter up:

 $ ifup $WLAN_NIC

check $IP_ADDRESS:

 $ ip addr

test:

 $ ping -c 3 $SOME_HOST


restarting network

if a connection hasn't been made consider the following commands:

 # /etc/init.d/networking restart
 
 #wpa_action $WLAN_NIC reload
 # /etc/init.d/network-manager restart
  • full reboot consistently works


references