Daddy <da...@happypenguincomputers.com> wrote:
> On March 11, 2012 at 5:09 AM Walter Dnes <waltd...@waltdnes.org> wrote:
>
> > This revision makes 2 changes...
> >
> > A) The removal of udev is now standard instead of optional. udev-181
> > and higher will be pulling in kmod, and anything else that kmod depends
> > on. Removing udev will avoid unnecessary cruft on your machine.
> >
> > B) Splitting up step 3) into 3a) and 3b) for greater clarity as
> > requested in user feedback.
> >
> > The usual warnings apply...
> > * this is a beta
> > * use a spare test machine
> > * if you don't follow the instructions correctly, the result might be
> > an unbootable linux
> > * even if you do follow instructions, the result might be an unbootable
> > linux
> >
> >
> > 1) Set up your kernel to support and automount a devtmpfs filesystem at
> > /dev
> >
> > * If you prefer to edit .config directly, set
> > CONFIG_DEVTMPFS=y and CONFIG_DEVTMPFS_MOUNT=y
> >
> > * If you prefer "make menuconfig", the route is as shown below. Note
> > that the "Autount devtmpfs..." option won't appear until you enable
> > "Maintain a devtmpf..." option.
> >
> > make menuconfig
> > Device Drivers --->
> > Generic Driver Options --->
> > [*] Maintain a devtmpfs filesystem to mount at /dev
> > [*] Automount devtmpfs at /dev, after the kernel mounted the
> rootfs
> >
> > Once you've made the changes, rebuild the kernel.
> >
> >
> > 2) Set up for emerging busybox. busybox requires the "mdev" flag in
> > this situation. The "static" flag is probably also a good idea. In
> > file /etc/portage/package.use add the line
> >
> > sys-apps/busybox static mdev
> >
> > Now, "emerge busybox"
> >
> >
> > 3 a) Create /sbin/linuxrc containing at least
> >
> > #!/bin/busybox ash
> > mount -t proc proc /proc
> > mount -t sysfs sysfs /sys
> > exec /sbin/init
> >
> > This should be enough for most users. If you have an unusual setup,
> > you may need additional stuff in there. Remember to
> > "chmod 744 /sbin/linuxrc" to make it executable.
> >
> > In the bootloader "append" line, include "init=/sbin/linuxrc". If
> > you're using lilo remember to re-run lilo to implement the changes. If
> > you're using another bootloader, make the equivalant initialization.
> >
> >
> > 4) Remove udev from the services list, and replace it with mdev. Type
> > the following 2 commands at the command line
> > rc-update del udev sysinit
> > rc-update add mdev sysinit
> >
> >
> > 5) reboot to your new kernel. You're now running without using udev.
> >
> >
> > 6) Remove udev as per the following instructions...
> >
> > * execute the following command at the commandline
> > emerge --unmerge sys-fs/udev
> >
> > * In file /atc/portage/package.mask, append the line
> > sys-fs/udev
> > Create the file if it doesn't already exist. You now have a totally
> > udev-free machine
> >
> > --
> > Walter Dnes <waltd...@waltdnes.org>
> >
>
> Having personally long considered Lennart Poettering a 'spawn of the devil'
> my question is ... is this your reaction to systemd?
>
> One minor typo to point out:
>
> /atc/portage/package.mask should be /etc/portage/package.mask
>
> I just joined this list last week, but might consider sacrificing some
> hardware to join your endeavor if you need more testers.
OK, I am not seeing mdev in the portage tree -- I would like to learn
more about this before I take the plunge. So where do I get it and does
it create the appropriate device nodes, etc?
--
Your life is like a penny. You're going to lose it. The question is:
How do
you spend it?
John Covici
cov...@ccs.covici.com
