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查看“UbuntuHelp:CableDialup”的源代码
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UbuntuHelp:CableDialup
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{{From|https://help.ubuntu.com/community/CableDialup}} {{Languages|UbuntuHelp:CableDialup}} This page describes how to use a cell phone and a USB cable to connect your pc to the internet. For this example I used: * Ubuntu Breezy * a Nokia 6021 cell phone * a CA-42 cable * an Italian Vodafone provider The instructions should be valid with minimal modifications also for a Bluetooth or infrared connection and for other providers. I used the packages '''wvdial''' and '''netenv''', which can be installed by <pre><nowiki> sudo apt-get install wvdial sudo apt-get install netenv </nowiki></pre> === 1. Configuring the cell phone === The cell phone is configured by chosing * Menù -> Impostazioni -> Connettività -> GPRS -> Impostazioni modem gprs * "Punto di accesso attivo": VO GPRS * "Punto di accesso gprs": web.omnitel.it (may be this is is not really necessary, but it was suggested by the Vodafone customer care and I have not tried without it). === 2. Connecting the cell phone to the pc === The cell phone is connected to the pc by the cable and a USB port. Observing the file '''/var/log/syslog''' we see that a file '''/dev/ttyACM0''' is created. It will be used to communicate with the cell phone: <pre><nowiki> $ tail -F /var/log/syslog Apr 15 12:00:28 localhost kernel: [4299673.731000] usb 3-1: new full speed USB device using uhci_hcd and address 2 Apr 15 12:00:29 localhost kernel: [4299674.411000] drivers/usb/class/cdc-acm.c: This device cannot do calls on its own. It is no modem. Apr 15 12:00:29 localhost kernel: [4299674.411000] cdc_acm 3-1:1.0: ttyACM0: USB ACM device Apr 15 12:00:29 localhost kernel: [4299674.415000] usbcore: registered new drive r cdc_acm Apr 15 12:00:29 localhost kernel: [4299674.415000] drivers/usb/class/cdc-acm.c: v0.23:USB Abstract Control Model driver for USB modems and ISDN adapters Apr 15 12:00:29 localhost usb.agent[17575]: cdc-acm: loaded successfully </nowiki></pre> === 3. Finding the modem parameters === Using the command '''wvdialconf''' the cell phone modem is recognized and the relevant parameters are written in '''/etc/wvdial.conf''': <pre><nowiki> $ sudo wvdialconf /etc/wvdial.conf Password: Scanning your serial ports for a modem. Port Scan<*1>: S0 S1 S2 S3 S4 S5 S6 S7 Port Scan<*1>: S8 S9 S10 S11 S12 S13 S14 S15 Port Scan<*1>: S16 S17 S18 S19 S20 S21 S22 S23 Port Scan<*1>: S24 S25 S26 S27 S28 S29 S30 S31 Port Scan<*1>: S32 S33 S34 S35 S36 S37 S38 S39 Port Scan<*1>: S40 S41 S42 S43 S44 S45 S46 S47 Port Scan<*1>: S48 S49 S50 S51 S52 S53 WvModem<*1>: Cannot get information for serial port. ttyACM0<*1>: ATQ0 V1 E1 -- OK ttyACM0<*1>: ATQ0 V1 E1 Z -- OK ttyACM0<*1>: ATQ0 V1 E1 S0=0 -- OK ttyACM0<*1>: ATQ0 V1 E1 S0=0 &C1 -- OK ttyACM0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 -- OK ttyACM0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 -- OK ttyACM0<*1>: Modem Identifier: ATI -- Nokia ttyACM0<*1>: Speed 4800: AT -- OK ttyACM0<*1>: Speed 9600: AT -- OK ttyACM0<*1>: Speed 19200: AT -- OK ttyACM0<*1>: Speed 38400: AT -- OK ttyACM0<*1>: Speed 57600: AT -- OK ttyACM0<*1>: Speed 115200: AT -- OK ttyACM0<*1>: Speed 230400: AT -- OK ttyACM0<*1>: Speed 460800: AT -- ttyACM0<*1>: Speed 460800: AT -- ttyACM0<*1>: Speed 460800: AT -- ttyACM0<*1>: Max speed is 230400; that should be safe. ttyACM0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 -- OK Found an USB modem on /dev/ttyACM0. Modem configuration written to /etc/wvdial.conf. ttyACM0<Info>: Speed 230400; init "ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0" </nowiki></pre> === 4. Modifying the configuration file === The file '''/etc/wvdial.conf''' has to be manually modified to add the row with the initialization string '''Init3''', the Vodafone phone number ('''*99#''') and the empty string for '''Username''' and '''Password''': <pre><nowiki> $ sudo cat /etc/wvdial.conf [Dialer Defaults] Modem = /dev/ttyACM0 Baud = 230400 Init1 = ATZ Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 Init3 = AT+CGDCONT=1,"IP","web.omnitel.it" ISDN = 0 Modem Type = USB Modem Phone = *99# Username = '' </nowiki></pre> === 5. Modifying /etc/network/interfaces === The files '''/etc/network/interfaces''' and '''/etc/resolv.conf''' should be modified as follows: <pre><nowiki> $ cat /etc/network/interfaces # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto ppp0 iface ppp0 inet wvdial </nowiki></pre> <pre><nowiki> $ cat /etc/resolv.conf nameserver 83.224.66.134 nameserver 83.224.65.134 </nowiki></pre> (modifying /etc/resolv.conf is probably unnecessary but I have not tried without it) === 6. Connecting === Connect using the command '''wvdial'''. The correct establishment of the connection can be verified by observing the file '''/var/log/syslog'''. At the moment of the connection the Nokia 6021 screen shows that a GPRS connection is being established. All recent Vodafone cell phone cards in Italy have GPRS modem connection enabled by default, just call the number 190 to know the cost. <pre><nowiki> $ sudo wvdial --> WvDial: Internet dialer version 1.54.0 --> Cannot get information for serial port. --> Initializing modem. --> Sending: ATZ ATZ OK --> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 OK --> Sending: AT+CGDCONT=1,"IP","web.omnitel.it" AT+CGDCONT=1,"IP","web.omnitel.it" OK --> Modem initialized. --> Sending: ATDT*99# --> Waiting for carrier. ATDT*99# CONNECT ~[7f]}#@!}!} } }2}#}$@#}!}$}%\}"}&} }*} } g}%~ --> Carrier detected. Waiting for prompt. ~[7f]}#@!}!} } }2}#}$@#}!}$}%\}"}&} }*} } g}%~ --> PPP negotiation detected. --> Starting pppd at Sat Apr 15 12:02:02 2006 --> pid of pppd: 18018 --> Using interface ppp0 --> local IP address 83.225.55.243 --> remote IP address 10.6.6.6 --> primary DNS address 83.224.66.134 --> secondary DNS address 83.224.65.134 </nowiki></pre> <pre><nowiki> $ tail -F /var/log/syslog Apr 15 12:02:02 localhost kernel: [4299768.004000] CSLIP: code copyright 1989 Regents of the University of California Apr 15 12:02:02 localhost kernel: [4299768.017000] PPP generic driver version 2. 4.2 Apr 15 12:02:02 localhost pppd[18018]: pppd 2.4.3 started by root, uid 0 Apr 15 12:02:02 localhost pppd[18018]: Using interface ppp0 Apr 15 12:02:02 localhost pppd[18018]: Connect: ppp0 <--> /dev/ttyACM0 Apr 15 12:02:08 localhost pppd[18018]: PAP authentication succeeded Apr 15 12:02:08 localhost kernel: [4299773.958000] PPP BSD Compression module registered Apr 15 12:02:08 localhost kernel: [4299774.038000] PPP Deflate Compression module registered Apr 15 12:02:10 localhost pppd[18018]: Cannot determine ethernet address for proxy ARP Apr 15 12:02:10 localhost pppd[18018]: local IP address 83.225.55.243 Apr 15 12:02:10 localhost pppd[18018]: remote IP address 10.6.6.6 Apr 15 12:02:10 localhost pppd[18018]: primary DNS address 83.224.66.134 Apr 15 12:02:10 localhost pppd[18018]: secondary DNS address 83.224.65.134 </nowiki></pre> === 7. Interrupting the connection === The connection can be interrupted by a '''Ctrl-C'''. The result is shown in '''/var/log/syslog''': <pre><nowiki> Caught signal #2! Attempting to exit gracefully... --> Terminating on signal 15 --> Connect time 0.3 minutes. --> Disconnecting at Sat Apr 15 12:02:28 2006 </nowiki></pre> <pre><nowiki> $ tail -F /var/log/syslog Apr 15 12:02:27 localhost pppd[18018]: Terminating on signal 15 Apr 15 12:02:27 localhost pppd[18018]: Connect time 0.3 minutes. Apr 15 12:02:27 localhost pppd[18018]: Sent 0 bytes, received 0 bytes. Apr 15 12:02:27 localhost pppd[18018]: Connection terminated. </nowiki></pre> === 8. Connecting using /etc/init.d/networking === The connection can be established and interrupted also by the following commands (if point 5 has been followed): <pre><nowiki> $ sudo /etc/init.d/networking start * Configuring network interfaces... [ ok ] $ sudo /etc/init.d/networking stop * Deconfiguring network interfaces... [ ok ] </nowiki></pre> === 9. Connecting using netenv === The '''netenv''' package can be used to select different laptop network configurations. Just copy '''/etc/network/interfaces''' and '''/etc/resolv.conf''' to '''/etc/netenv/interfaces.netenv-ppp''' and '''/etc/netenv/resolv.conf.netenv-ppp''', and create '''/etc/netenv/setup-ppp''', '''/etc/netenv/<localhost>-ppp''' in such a way that the ppp connection can be established by the command '''sudo netenv'''. Substitute '''<localhost>''' with the name of the machine you are using. (The following example is Debian specific, see netenv documentation). <pre><nowiki> $ cat setup-ppp #!/bin/sh if [ -r /etc/netenv/interfaces.netenv-ppp ]; then mv /etc/network/interfaces /etc/network/interfaces.netenv-old ln -s /etc/netenv/interfaces.netenv-ppp /etc/network/interfaces fi if [ -r /etc/netenv/resolv.conf.netenv-ppp ]; then mv /etc/resolv.conf /etc/resolv.conf.netenv-old ln -s /etc/netenv/resolv.conf.netenv-ppp /etc/resolv.conf fi </nowiki></pre> <pre><nowiki> $ cat <localhost>-ppp netenv_id=ppp </nowiki></pre> == Nokia 5500 Sport in Dapper Drake with USB == Getting it up and running was quite easy: * plug in your phone with the USB cable * select "PC Suite Mode" from you phone * the phone is autodetected * run the following commands: <pre><nowiki> # sudo apt-get install wvdial # sudo wvdial # sudo nano /etc/wvdial.conf </nowiki></pre> Note lines with * Init3 = AT+CGDCONT=1,"IP","'''internet'''" * Phone = *99# * Username = '' The name of the connection may vary according to your GPRS provider. I use DNA Finland. For Elisa in Finland the username should be ''''rl''''. <pre><nowiki> [Dialer Defaults] Init1 = ATZ Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 Init3 = AT+CGDCONT=1,"IP","internet" Modem Type = USB Modem #Baud = 460800 Baud = 230400 New PPPD = yes Modem = /dev/ttyACM0 ISDN = 0 Phone = *99# Username = '' Password = '' # sudo nano /etc/network/interfaces auto ppp0 iface ppp0 inet wvdial # sudo /etc/init.d/networking restart </nowiki></pre> Check that your connection works with ''ping www.ubuntu.fi'' [[category:UbuntuHelp]]
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