Sharp SL-5500 File Manager Guide Bedienungsanleitung PDF herunterladen (Seite 44)

CHAPTER 11. USE 11.3. GLOBAL NETWORKING

11.3.4.2 Commands

Commands for WiFi are supposed to be known (

iwconfig

iwlist

, . . . ), as they are universal. Here

are some basic commands for you, if you are too lazy to have a look at man pages:

• List networks:

iwlist interface scan

where scan can be replaced by scanning and where interface is often wlan0,

• Connect to network with a ESSID essidname:

iwconfig interface essid essidname

As in the other methods, you are also able to bring up the interface issuing

ifup interface

and, to bring it down,

ifdown interface

where

interface

is often

wlan0

(it can be veriﬁed using

ifconfig

). If

iwconfig

and related

commands are missing (your

$PATH

being correct, or after having tried with

/sbin/iwconfig

), be

sure to install the wireless-tools package.

For WEP/WPA/PSK, you need to edit

/etc/network/interfaces

, as explained in the following

lines.

11.3.4.3 WEP

Here is an example for WEP encryption:

iface wlan0 inet dhcp

wireless_mode managed

wireless_essid youressid

wireless_key yourwepkey

11.3.4.4 WPA

Here is an example for WPA/PSK encryption:

iface wlan0 inet dhcp

# start wpa_supplicant

wpa-conf /etc/wpa_supplicant.conf

wpa-driver hostap

If wpa_supplicant.conf does not exist in /etc, create one with

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