Linux系统通过手机GPRS无线上网
首先，要有一台具备GPRS且带有modem功能的手机，以下以palm treo 650为例。
650是不带modem功能，要通过软件实现，下载 USB modem软件并安装在650上。该软件支持蓝牙和usb数据线两种模式!
下面首先看系统是否能检测到modem
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sudo wvdialconf |
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Editing `/etc/wvdial.conf'.Scanning your serial ports for a modem.Modem Port Scan<*1>: S0 S1 S2 S3 WvModem<*1>: Cannot get information for serial port.ttyACM0<*1>: ATQ0 V1 E1 -- OKttyACM0<*1>: ATQ0 V1 E1 Z -- OKttyACM0<*1>: ATQ0 V1 E1 S0=0 -- OKttyACM0<*1>: ATQ0 V1 E1 S0=0 &C1 -- OKttyACM0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 -- OKttyACM0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 -- OKttyACM0<*1>: Modem Identifier: ATI -- ENZOttyACM0<*1>: Speed 4800: AT -- OKttyACM0<*1>: Speed 9600: AT -- OKttyACM0<*1>: Speed 19200: AT -- OKttyACM0<*1>: Speed 38400: AT -- OKttyACM0<*1>: Speed 57600: AT -- OKttyACM0<*1>: Speed 115200: AT -- OKttyACM0<*1>: Speed 230400: AT -- OKttyACM0<*1>: Speed 460800: AT -- OKttyACM0<*1>: Max speed is 460800; that should be safe.ttyACM0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 -- OKFound an USB modem on /dev/ttyACM0.Modem configuration written to /etc/wvdial.conf.ttyACM0: Speed 460800; init "ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0" |
如果出现以下信息则能检测modem且将配置自动写入 /etc/wvdial.conf文件。你modem的设备文件为/dev/ttyACM0
由于配置文件为普通拨号而建立，所以不适合grps拨号，要作以下修改
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[Dialer defaults]Init1 = at+cgdcont=1,"ip","cmwap"Modem Type = USB ModemISDN = 0Phone = *99***1#Modem = /dev/ttyACM0Username = anyCarrier Check = noPassword = anyBaud = 460800 |
保存后，使用wvdial拨号
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sudo wvdial |
使用超级用户操作，不然无法会提示设备忙，或更改用户权限。
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--> WvDial: Internet dialer version 1.60--> Cannot get information for serial port.--> Initializing modem.--> Sending: at+cgdcont=1,"ip","cmwap"at+cgdcont=1,"ip","cmwap"OK--> Modem initialized.--> Sending: ATDT*99***1#--> Waiting for carrier.ATDT*99***1#CONNECT~[7f]}#@!}![06]} }<}!}$}%}"}&} } } } }#}$!}![06]} }<}!}$}%}"}&} } } } }#}$@#}%}&}$^[7f]o}'}"}(}"Q}+~--> PPP negotiation detected.--> Starting pppd at Sat Jan 19 10:56:20 2008--> Pid of pppd: 6967--> Using interface ppp0--> pppd: (m[07][08]hr[07][08]--> pppd: (m[07][08]hr[07][08]--> pppd: (m[07][08]hr[07][08]--> pppd: (m[07][08]hr[07][08]--> pppd: (m[07][08]hr[07][08]--> local IP address 10.216.91.90--> pppd: (m[07][08]hr[07][08]--> remote IP address 10.216.91.0--> pppd: (m[07][08]hr[07][08] |
到如已经成功啦！我们再来看看路由表
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$ routeKernel IP routing tableDestination Gateway Genmask Flags Metric Ref Use Iface10.216.91.0 * 255.255.255.255 UH 0 0 0 ppp0192.168.0.0 * 255.255.255.0 U 0 0 0 wlan0default 192.168.0.1 0.0.0.0 UG 0 0 0 wlan0 |
因为我这里还连接到无线网络，所以默认网关是 192.168.0.1，如果只有GPRS拨号连接，则信息会是：
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$ routeKernel IP routing tableDestination Gateway Genmask Flags Metric Ref Use Iface10.216.91.0 * 255.255.255.255 UH 0 0 0 ppp0default 10.216.91.90 0.0.0.0 UG 0 0 0 ppp0 |
此时，只需设置代理即可以上网了 代理为 10.0.0.172:80
由于移动限制了浏览器，必须要将浏览器头信息更改才能正常上网。不过已经可以上Q。MSN等聊天工具啦!!
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