公司里的一个usb网卡，因为抓包需要所以需要一个网卡，从仓库找到了这货

驱动能自己识别是不指望了，既然是usb网卡，插入USB后，那就lsusb

看到新增加了一行Bus 001 Device 003: ID 0bda:8179 Realtek Semiconductor Corp. 

ubuntu默认是有8179的驱动的但是无线信号很弱而且经常会断线，所以在逛csdn的时候就发现了某位大神做的驱动包很吊就拿来共享下。

注意网上写的驱动目录事不对的下面我会写明

WN725N_V2

http://wikidevi.com/wiki/TP-LINK_TL-WN725N_v2

看下芯片组是

Probable Linux driver 8188eu

地址在csdn这里：(不要积分)

http://download.csdn.net/detail/rainysia/6754869

然后安装新的deb包的8188eu驱动

dpkg -i rtl8188eu-dkms_0+git20130406_all.deb

如果提示缺少dkms，那就安一个

apt-get install dkms

dpkg -i rtl8188eu-dkms_0+git20130406_all.deb  
Selecting previously unselected package rtl8188eu-dkms.  
(Reading database ... 172290 files and directories currently installed.)  
Unpacking rtl8188eu-dkms (from rtl8188eu-dkms_0+git20130406_all.deb) ...  
dpkg: dependency problems prevent configuration of rtl8188eu-dkms:  
rtl8188eu-dkms depends on dkms (>= 2.1.0.0); however:  
 Package dkms is not installed.  
 
dpkg: error processing rtl8188eu-dkms (--install):  
dependency problems - leaving unconfigured  
Errors were encountered while processing:  
rtl8188eu-dkms  
root@debian:/home/softs# apt-get install dkms  
Reading package lists... Done  
Building dependency tree        
Reading state information... Done  
The following NEW packages will be installed:  
 dkms  
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.  
1 not fully installed or removed.  
Need to get 77.4 kB of archives.  
After this operation, 196 kB of additional disk space will be used.  
Get:1 http://mirrors.163.com/debian/ wheezy/main dkms all 2.2.0.3-1.2 [77.4 kB]  
Fetched 77.4 kB in 0s (81.7 kB/s)  
Selecting previously unselected package dkms.  
(Reading database ... 172545 files and directories currently installed.)  
Unpacking dkms (from .../dkms_2.2.0.3-1.2_all.deb) ...  
Processing triggers for man-db ...  
Setting up dkms (2.2.0.3-1.2) ...  
Setting up rtl8188eu-dkms (0+git20130406) ...  
Loading new rtl8188eu-0+git20130406 DKMS files...  
First Installation: checking all kernels...  
Building only for 3.2.0-4-amd64  
Building initial module for 3.2.0-4-amd64  
Done.  

dpkg -i rtl8188eu-dkms_0+git20130406_all.deb  

Selecting previously unselected package rtl8188eu-dkms.  
(Reading database ... 172290 files and directories currently installed.)  
Unpacking rtl8188eu-dkms (from rtl8188eu-dkms_0+git20130406_all.deb) ...  
dpkg: dependency problems prevent configuration of rtl8188eu-dkms:  
rtl8188eu-dkms depends on dkms (>= 2.1.0.0); however:  
 Package dkms is not installed.  
 
dpkg: error processing rtl8188eu-dkms (--install):  
dependency problems - leaving unconfigured  
Errors were encountered while processing:  
rtl8188eu-dkms  
root@debian:/home/softs# apt-get install dkms  
Reading package lists... Done  
Building dependency tree        
Reading state information... Done  
The following NEW packages will be installed:  
 dkms  
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.  
1 not fully installed or removed.  
Need to get 77.4 kB of archives.  
After this operation, 196 kB of additional disk space will be used.  
Get:1 http://mirrors.163.com/debian/ wheezy/main dkms all 2.2.0.3-1.2 [77.4 kB]  
Fetched 77.4 kB in 0s (81.7 kB/s)  
Selecting previously unselected package dkms.  
(Reading database ... 172545 files and directories currently installed.)  
Unpacking dkms (from .../dkms_2.2.0.3-1.2_all.deb) ...  
Processing triggers for man-db ...  
Setting up dkms (2.2.0.3-1.2) ...  
Setting up rtl8188eu-dkms (0+git20130406) ...  
Loading new rtl8188eu-0+git20130406 DKMS files...  
First Installation: checking all kernels...  
Building only for 3.2.0-4-amd64  
Building initial module for 3.2.0-4-amd64  
Done.  

然后去/lib/modules/`uname -r`/kernel/net/wireless 删除掉lib8188eu.ko  （`uname -r` 这个是你的内核版本，比如我的是3.2.0.4-amd64）

//注意这里的位置有疑问，反正我这里就不一样的应该是 /lib/modules/3.2.0-68-generic-pae/extra   也就是/lib/modules/`uname -r`/extra  下会有

先看看wlan0 有没有， ifconfig 发现没有 应该是还没挂上

insmod 8188eu.ko

再ifconfig -a 发现有了wlan0