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New to linux, after doing this: http://ubuntuforums.org/showthread.php?t=2092934

I got my wifi up and running, ignorantly, i clicked to update my computer and it came with a new kernel, but it killed my wifi.

Doing it over again is not a problem, but i would like it done automatically in future, DKMS or something? And also, where/how do i delete old kernels once i'm not using them anymore?.

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Thanks to tim_phillips in the same post he offered an .deb package that will install the DKMS modules:

The vendor drivers for the RealTek 8188cus chip, in the Edimax EW-7811Un for example, do not compile on ubuntu 13.04, kernels 3.8 or 3.9.

There are errors with implicit declarations of functions (daemonize), and unknown symbols in modules.

RTL8188CUS

the deb contains patched versions of the driver source code from RTL8192xC_USB_linux_v3.4.4_4749.20121105.zip available at Realtek site which on its own doesn't compile on ubuntu 13.04 kernel 3.8 or 3.9

this deb package will compile, install the 8192cu.ko driver, and insert a DKMS module so that it is done on each kernel upgrade.

don't forget to blacklist the native drivers: put a file in to /etc/modprobe.d/ with this in it

# Blacklist native RealTek 8188CUs drivers
blacklist rtl8192cu
blacklist rtl8192c_common
blacklist rtlwifi

(source)

You can download the package here and install it:

wget "https://code.google.com/p/realtek-8188cus-wireless-drivers-3444749-ubuntu-1304/downloads/detail?name=rtl8192cu-tjp-dkms_1.6_all.deb&can=2&q="
sudo dpkg -i rtl8192cu-tjp-dkms_1.6_all.deb

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