Raspberry Pi A Uživatelský manuál stáhnout pdf

RaspberryPiwirelessadapter

Hardware

ThisguideisaboutinstallingtheEdimaxEW‐7811Un

nanowirelessadapteronaRaspberryPiwitha

wirelessroutersupportingDHCPandconfiguredtouseWPA2‐PSK.Theguidemaybeusefulfor

installingotherwirelessadaptersaswellandforconfiguringWPA‐PSK.

Software

ThesoftwareusedwastheDebiansqueezepackage

debian6-19-04-2012.imgplusa

replacementdrivermodule(

8192cu.ko)availablefromhere.Thedriverisatar.gzfileandneeds

tobeunpackedtwice.Noothermodificationsweremadetothesoftware.

Powersupply

Therehavebeenreportsthatwirelessadapterstakealotofpower,buttheRaspberryPiwithan

EW‐7811UnadapterrunsonaSamsungMicroUSBmainscharger,astandardKindlepower

supply

andeventheKindleleadattachedtoaUSBhubonalaptoprunningonbatterypower.

AccessingRPi

Itispossibletoconfiguretheadapterusing

sshoverEthernet,butitisaloteasiertoseeerror

messagesifadisplayscreenisdirectlyattached.

Configuration

Allofthisconfigurationneedstobedoneasaprivilegeduser,soyoucanprefixalltheediting

commandswith

sudoorjustrun“sudo su”toturnyourselfintoanadministrator.

/etc/udev/rules.d/70‐persistent‐net.rules

Deleteanythinginthisfileaboutwlan0orwlan1.Thisfileisusedtorememberthephysical

characteristicsofUSBadaptersandmaywellcontainincorrectormisleadinginformation,and

shouldbeemptyapartfromcommentsunless youhaveaddedother

USBdevices.

/etc/network/interfaces

Updatethisfiletoaddthewlan0section,sothatitlookslikethis.

# Used by ifup(8) and ifdown(8). See the interfaces(5) manpage or

# /usr/share/doc/ifupdown/examples for more information.

auto lo

iface lo inet loopback

iface eth0 inet dhcp

auto wlan0

iface wlan0 inet dhcp

pre-up wpa_supplicant -Dwext -i wlan0 -c /etc/wpa_supplicant.conf -B



1 2 3

Shrnutí obsahu

Strany 1

RaspberryPiwirelessadapterHardwareThisguideisaboutinstallingtheEdimaxEW‐7811UnnanowirelessadapteronaRaspberryPiwithawirelessrou

Strany 2

/etc/wpa_supplicant.confCreatethisfilelookinglikethefollowing.ctrl_interface=/var/run/wpa_supplicant ctrl_interface_group=0 ap_scan=2 network=

Strany 3

1. Ifthebluelightontheadaptercomeson,buttheadapterdoesnotacquireanIPaddress,theproblemisinwpa_supplicant.conf.ifconfigwills

Komentáře k této Příručce

Žádné komentáře

Raspberry Pi A Uživatelský manuál

Procházejte online nebo si stáhněte Uživatelský manuál pro Základní desky Raspberry Pi A. Raspberry Pi wireless adapter Hardware This guide is Uživatelská příručka

Shrnutí obsahu

Komentáře k této Příručce