Restart Wireless Without Rebooting

[Kenneth Loafman]

Derek Broughton wrote:
> Kenneth Loafman wrote:
> 
>> Periodically my wireless connection dies and nothing seems to restart it
>> except the brain-dead Windows way of rebooting the whole system.  In a
>> UNIX system, you should be able to restart anything except the kernel
>> without a reboot.  I can't seem to figure out how.
>>
>> Running 64-bit Ubuntu Feisty on a Dell 1501, ndiswrapper around bcmwl5
>> driver, Network Manager, the rest pretty normal.  All up to date.
>>
>> I have tried restarting the connection through Network Manager.  No go.
>>
>> I have tried /etc/init.d/networking restart.  No go, of course.
>>
>> I have used ndiswrapper to remove and reinstall the driver.  No go.
>>
>> I have no hair to pull, or dead chicken to wave over my head while
>> standing on one leg, so what magic incantation do I need to use?
> 
> "/etc/init.d/dbus restart" should do the job - but it's only slightly less
> sledge-hammerish than rebooting (and after that, I find I have to restart
> kde-guidance-powermanager, as it's lost any idea that my laptop has a
> battery).
> 
> Does your system hibernate?  I find that hibernate/resume often kickstarts
> my wlan (same hardware as yours).  One of these days I'll check out exactly
> what it's doing and see if I can write a script...or maybe you will and
> send it to me :-)

Hmmm, that's more of a sledgehammer than my previous post
sudo /etc/dbus-1/event.d/25NetworkManager restart

I wonder what it will do to Gnome stuff.  I may just have to find out.
I quite often run long jobs and rebooting is sometimes just not at all
practical.  Besides, with Linux, I should not need to reboot.

...Ken