Re: how to change wifi setting
On Tue 26 Nov 2019 at 03:51:24 (+0000), Long Wind wrote:
> haven't i made it clear enough?
No, not really. You're not specific about what software you're using
to run your networking interface.
> i rewrite below:
>
> i often change wifi setting this way:
> i open /etc/network/interfaces and change ssid and passwordthen save and reboot to make /etc/network/interfaces to take effect
> any command that i can use so that i needn't reboot?
As you mention /etc/network/interfaces, perhaps you're using ifupdown
to manage it. In which case, the sequence of commands to change settings is:
# ifdown eth0
# edit /etc/network/interfaces
# ifup eth0
(Substitute the name of your interface for eth0.)
The mistake many people make is to edit /etc/network/interfaces *before*
they down the network, which causes the ifdown command to fail.
ifdown needs the old configuration in /etc/network/interfaces to down
the network just as much as ifup needs the new configuration to
restart it.
> i've tried your command:
>
>
> service network-manager restart service network-manager restartFailed to restart network-manager.service: Unit network-manager.service failed to load: No such file or directory
>
> On Tuesday, November 26, 2019, 11:12:21 AM GMT+8, Jonas Smedegaard <jonas@jones.dk> wrote:
>
> Quoting Long Wind (2019-11-26 04:00:13)
> > i often change wifi setting: ssid and passwordi edit
> > /etc/network/interfaces and reboot to make it take effectany command
> > that i can use so that i needn't reboot?Thanks!
>
> You don't tell what is the reason you need to reboot.
>
> If your wifi device driver crashes then possibly there is no other way
> (with that device) than rebooting. But if it is Network Manager getting
> confused then maybe try restart it:
>
> sudo service network-manager restart
>
> Or maybe install a newer linux kernel.
>
> But it really is shooting in the dark - please provide more info about
> what fails.
>
>
> - Jonas
>
> --
> * Jonas Smedegaard - idealist & Internet-arkitekt
> * Tlf.: +45 40843136 Website: http://dr.jones.dk/
>
> [x] quote me freely [ ] ask before reusing [ ] keep private
Cheers,
David.
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