树莓派自动连接无线网络脚本-网购经验网

如果第一次登陆到系统后，想要完成无线网络的连接设置，可以通过将下面脚本内容填写到一个文本文档里，然后执行就可以了。
先说说思路：
1. 首先，要检测一下网卡是否好用。所以第一步是判断wlan0是否存在。
2. 获取当前环境中的无线网络的SSID号并且列出来供用户选择。
3. 提供用户选择的交互式界面来让用户可以根据提示输入无线的SSID和密码。
4. 生成网卡配置文件，并且重新启动网络使网卡配置生效。

操作：
登陆系统后在命令行输入：

[Bash shell] 纯文本查看 复制代码

1	`[root@yoyopi ~]# vim.tiny autolink.sh`

然后输入i 进入插入模式写内容

[Bash shell] 纯文本查看 复制代码

#!/bin/bash
# Auto connect to your AP .
# Edit by yoyojacky
# date 2014-03-27
# 
WLAN=`ifconfig wlan0 |grep wlan0 | awk '{print $1}'`
SSID=`iwlist wlan0 scanning | grep -i ssid`
if [ $WLAN = "wlan0" ]; then
echo "wlan0 is ok! "
fi
echo $SSID | xargs -n1
# offer two choices for user.
#
read -p "Please input ssid that you want to login: " APID
read -p "please input $APID 's password:" APPW
#!/bin/bash
# Auto connect to your AP .
# Edit by yoyojacky
# date 2014-03-27
#
WLAN=`ifconfig wlan0 |grep wlan0 | awk '{print $1}'`
SSID=`iwlist wlan0 scanning | grep -i ssid`
if [ $WLAN = "wlan0" ]; then
echo "wlan0 is ok! "
fi
echo $SSID | xargs -n1
# offer two choices for user.
#
read -p "Please input ssid that you want to login: " APID
read -p "please input $APID 's password:" APPW
echo "Your SSID is $APID\n "
echo "Your Password is $APPW\n"
echo "Is it correct?(yes|no)"
while read ANSWER
do
case $ANSWER in
yes|y)
echo "please wait..."
wpa_passphrase $APID $APPW >> /etc/wpa_supplicant/wpa_supplicant.conf && sed
-i '/#psk/s/#//' /etc/wpa_supplicant/wpa_supplicant.conf && shutdown -r +1 &> /dev/null
echo " Your Pi will reboot in 1 minute and finish the IP address setup..."
break
;;
no|n)
echo "please try again! "
;;
*)
echo "Are you lost your mind? "
;;
esac
done