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. Kindest regards, Bruce
