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services:wifi:lin:linux [2011/05/25 13:48]
marina created 		services:wifi:lin:linux [2011/05/26 16:28]
radeka
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-====== ​ Linux configuration guide ======+======  ​SISSA-WiFi ​Linux configuration guide ======
  
 Configuration guide to the **SISSA-WiFi** Wireless Network, using the default tools and drivers of generic Linux distribution.\\ Configuration guide to the **SISSA-WiFi** Wireless Network, using the default tools and drivers of generic Linux distribution.\\
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 \\ \\
 a) Operating as **root**, open a terminal window;\\ a) Operating as **root**, open a terminal window;\\
-stop the network-manager service typing the command: ​\\ +  * stop the network-manager service typing the command: **service network-manager stop** 
-**service network-manager stop**\\ +  ​* ​and verify that your wireless network interface card is properly installed, using the command: **iwconfig**
-and verify that your wireless network interface card is properly installed, using the command:\\ +
-**iwconfig**\\+
 If as the result of the previous command are present only " no wireless extensions ", you have to install the driver for your wireless card before continuing with this guide.\\ If as the result of the previous command are present only " no wireless extensions ", you have to install the driver for your wireless card before continuing with this guide.\\
 If on the contrary, you can see complete information about your wireless network interface card. In the following example the wireless network interface card is // eth1//, but yours could be //wlan0, ath0//... \\ If on the contrary, you can see complete information about your wireless network interface card. In the following example the wireless network interface card is // eth1//, but yours could be //wlan0, ath0//... \\
  
-**Please note:** <color teal>in this guide in the examples it is always used </​color>​** //<color teal>​eth1</​color>//​** <color teal>as wireless network interface card.</​color>​+**Please note:** <color teal>in this guide in the examples it is always used </​color>​** //<color teal>​eth1</​color>//​** <color teal>as wireless network interface card.</​color>​\\
 \\ \\
-\\ +Example ​of **iwconfig** command output:
-example ​of **iwconfig** command output:+
 <​xterm>​ <​xterm>​
-// 
 lo        no wireless extensions. lo        no wireless extensions.
  
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           Rx invalid nwid:​0 ​ Rx invalid crypt:​0 ​ Rx invalid frag:0           Rx invalid nwid:​0 ​ Rx invalid crypt:​0 ​ Rx invalid frag:0
           Tx excessive retries:​0 ​ Invalid misc:​1 ​  ​Missed beacon:0           Tx excessive retries:​0 ​ Invalid misc:​1 ​  ​Missed beacon:0
-// 
 </​xterm>​ </​xterm>​
-\\ +
-\\+
 b) Activate your wireless network interface card, type the command:\\ b) Activate your wireless network interface card, type the command:\\
 ** ifconfig //eth1// up**\\ ** ifconfig //eth1// up**\\
-\\ 
 \\ \\
 c) Check your wireless network interface card status typing the command:\\ c) Check your wireless network interface card status typing the command:\\
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 **iwlist //eth1// scan**\\ **iwlist //eth1// scan**\\
 If you are in a SISSA access point range, you will be able to see a line with: **ESSID: " SISSA-WiFi " **\\ If you are in a SISSA access point range, you will be able to see a line with: **ESSID: " SISSA-WiFi " **\\
-\\ 
 \\ \\
 e) Using your preferred text editor, create the **/​etc/​wpa_supplicant/​SISSA-WiFi.wpa_supplicant.conf** ​ configuration file and insert the following lines:\\ e) Using your preferred text editor, create the **/​etc/​wpa_supplicant/​SISSA-WiFi.wpa_supplicant.conf** ​ configuration file and insert the following lines:\\
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 </​xterm>​ </​xterm>​
  
-Please note: insert //**your SISSA username**//​ and //**your SISSA password**// ​(the same of your SISSA webmail) ​in the //​identity//​ and //​password//​ fields.\\+Please note: insert //**your SISSA username**//​ and //**your SISSA password**//​ in the //​identity//​ and //​password//​ fields.\\
 \\ \\
-\\ + 
-f) Run the following command in order to activate the wpa_supplicant daemon:\\+f) Run the following command in order to activate the wpa_supplicant daemon ​(please note there in a " -i " after wpa_supplicant):\\
 **wpa_supplicant -i //eth1// -c /​etc/​wpa_supplicant/​SISSA-WiFi.wpa_supplicant.conf ** \\ **wpa_supplicant -i //eth1// -c /​etc/​wpa_supplicant/​SISSA-WiFi.wpa_supplicant.conf ** \\
 \\ \\
-\\+
 g) OPEN A NEW TERMINAL WINDOW. To check the correct status of wpa_supplicant daemon, run the following commands:\\ g) OPEN A NEW TERMINAL WINDOW. To check the correct status of wpa_supplicant daemon, run the following commands:\\
 **wpa_cli**\\ **wpa_cli**\\
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 EAP state=SUCCESS EAP state=SUCCESS
 </​code>​ </​code>​
-\\ 
-\\ 
 h) Maintain the wpa_cli program active (do not close this window) untill you wish to keep on SISSA-WiFi connection. h) Maintain the wpa_cli program active (do not close this window) untill you wish to keep on SISSA-WiFi connection.
 \\ \\
 \\ \\
-i) OPEN ANOTHER TERMINAL WINDOW. If all the paramenters are corrects, you have to configure, if necessary, upper layer TCP/IP protocol DHCP to lease a dinamic ​IP address using the command:\\+i) OPEN ANOTHER TERMINAL WINDOW. If all the paramenters are correct, you have to configure, if necessary, upper layer TCP/IP protocol DHCP to lease a dynamic ​IP address using the command:\\
 **dhclient //​eth1//​**\\ **dhclient //​eth1//​**\\
 Now you will be able to use SISSA-WiFi wireless connection. \\ Now you will be able to use SISSA-WiFi wireless connection. \\
-\\ 
 \\ \\
 l)  l) 
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 then in the terminal window// where wpa_cli program is active//, type: then in the terminal window// where wpa_cli program is active//, type:
 **logoff** **logoff**
-\\+
 \\ \\