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services:wifi:lin:linux [2011/05/25 13:48] marina created |
services:wifi:lin:linux [2011/05/27 12:24] (current) aprain |
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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.\\ | ||
| Line 7: | Line 7: | ||
| \\ | \\ | ||
| 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 by 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:\\ | + | If, as a result of the previous command, " no wireless extensions " are available, you need to install the driver for your wireless card before continuing with this guide.\\ |
| - | **iwconfig**\\ | + | Otherwise you should 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 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//... \\ | + | |
| - | **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. | ||
| Line 33: | Line 29: | ||
| 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 using the command:\\ |
| - | c) Check your wireless network interface card status typing the command:\\ | + | |
| **ifconfig //eth1//**\\ | **ifconfig //eth1//**\\ | ||
| - | In the second line output, you should see **UP** before BROADCAST. | + | In the second line output you should see **UP** before BROADCAST. |
| \\ | \\ | ||
| \\ | \\ | ||
| Line 49: | Line 42: | ||
| **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:\\ | ||
| Line 71: | Line 63: | ||
| </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**\\ | ||
| Line 90: | Line 82: | ||
| EAP state=SUCCESS | EAP state=SUCCESS | ||
| </code> | </code> | ||
| + | h) Maintain the wpa_cli program active (do not close this window) until you wish to close the 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 correct, you have to configure, if necessary, upper layer TCP/IP protocol DHCP to lease a dynamic IP address using the command:\\ |
| - | \\ | + | |
| - | \\ | + | |
| - | 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:\\ | + | |
| **dhclient //eth1//**\\ | **dhclient //eth1//**\\ | ||
| - | Now you will be able to use SISSA-WiFi wireless connection. \\ | + | Now you will be able to use the 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** | ||
| - | \\ | + | |
| \\ | \\ | ||