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ubuntu使用ap-hotspot建立WIFI热点

具体方法如下：使用ap-hotspot来创建WIFI热点，而不要用Ad hoc。终端里输入：
$ sudo add-apt-repository ppa:nilarimogard/webupd8
$ sudo apt-get update
$ sudo apt-get install ap-hotspot
$ sudo ap-hotspot configure//这一步会检查ubuntu的网络和WIFI接口，确定后会提示你配置热点，输入ssid和密码之类的就行了
$ sudo ap-hotspot start
好了，Android手机顺利识别并连接上了。



参数使用说明： tehero@tehero-pc:/tmp$ sudo ap-hotspot config Usage: ap-hotspot [argument]
startstart wireless hotspot//开始使用 stopstop wireless hotspot//停止使用 restartrestart wireless hotspot//重启 configureconfigure hotspot//配置使用
安装成功后配置过程如下： tehero@tehero-pc:/tmp$ sudo ap-hotspot configure Detecting configuration... Detected eth0 as the network interface connected to the Internet. Press ENTER if this is correct or enter the desired interface below (e.g.- eth0, ppp0 etc.)://默认按Enter即可
Detected wlan0 as your WiFi interface. Press ENTER if this is correct or enter the desired interface (e.g.- wlan1): //默认按Enter即可
Enter the desired Access Point name or press ENTER to use the default one (myhotspot): //Wifi名字 Enter the desired WPA Passphrase below or press ENTER to use the default one (qwerty0987): //wifi 密码
使用篇： tehero@tehero-pc:/tmp$ sudo ap-hotspot start Starting Wireless Hotspot... Wireless Hotspot active 出现如上字样即可

ubuntu14.04 问题集锦篇： 1、无法出现 Wireless Hotspot active，并一直保持 Starting Wireless Hotspot... hostapd默认版本有bug
解决方法： 移除hostapd

sudo apt-get remove hostapd

然后：
64 bit

cd /tmp wget http://old-releases.ubuntu.com/ubuntu/pool/universe/w/wpa/hostapd_1.0-3ubuntu2.1_amd64.deb sudo dpkg -i hostapd*.deb sudo apt-mark hold hostapd


32bit：

cd /tmp wget http://old-releases.ubuntu.com/ubuntu/pool/universe/w/wpa/hostapd_1.0-3ubuntu2.1_i386.deb sudo dpkg -i hostapd*.deb sudo apt-mark hold hostapd




Ubuntu下使用ap-hotspot出现“Another process is already running"问题的解决方案


问题描述：

This is the message displayed in my terminal screen when I typed
sudo ap-hotspot startAnother process is already running

Which process is running and how do I stop it?


解决方法：
【ubuntu使用ap-hotspot建立WIFI热点】
I found this solution
sudo rm /tmp/hotspot.pid

this will delete the process id created temporarily and no more the error is displayed. This worked in my case.


关键连接

http://www.webupd8.org/2013/06/how-to-set-up-wireless-hotspot-access.html


ubuntu12.04


I just fix the same problem, try this:
sudo nano /etc/NetworkManager/NetworkManager.conf

Change the line that says:
dns=dnsmasq

To:
#dns=dnsmasq

Restart Network Manager:
sudo service network-manager restart


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