Re: [gentoo-user] hotplug and coldplug for a hosted server?

["Petteri Räty" <petteri.raty@saunalahti.fi>]

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Grant wrote:
> 
> I'm a bit confused.  udev does emerge hotplug-base as a dependency. 
> But as far as hotplug itself, this document:
> 
> http://www.gentoo.org/doc/en/udev-guide.xml
> 
> says:
> 
> "You do not need to install hotplug unless you want your modules
> automatically loaded when you plug devices in. hotplug also handles
> the automated bringup of network devices and firmware downloading."
> 

Yes, this is the purpose of hotplug. I use it on my laptop to
automatically load my wlan driver when I turn on my usb wireless chip
and then automatically start net.wlan0.

> and about coldplug:
> 
> "If you want modules loaded for devices that have been plugged in
> before you boot, use the coldplug package.  Don't forget to add
> coldplug to the boot runlevel."
>

coldplug is one useful if you have tons of modules installed and don't
know what you need. Otherwise you can just use
/etc/modules.autoload.d/kernel-2.6

> 
> I'm just trying to figure out what I need for my laptop and for my
> server.  I'd rather not have useless stuff on my systems, but I don't
> want anything to break either.  Also, should hotplug be added to the
> default runlevel?  The doc doesn't mention it although it does say to
> add coldplug to the boot runlevel.
>

hotplug is not a service that you can start and coldplug is up to you.

Regards,
Petteri

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