E.1. 55-lfs.rules



# /etc/udev/rules.d/55-lfs.rules: Rule definitions for LFS.





# Core kernel devices





# override both of these


KERNEL=="random",   MODE="0444"


KERNEL=="urandom",  MODE="0444"





KERNEL=="aio",      MODE="0444"


KERNEL=="kmsg",     MODE="0600"


KERNEL=="rtc",      MODE="0666"





# Comms devices





KERNEL=="rfcomm[0-9]*",     GROUP="uucp"


KERNEL=="ippp[0-9]*",       GROUP="uucp"


KERNEL=="isdn[0-9]*",       GROUP="uucp"


KERNEL=="isdnctrl[0-9]*",   GROUP="uucp"


KERNEL=="capi",             NAME="capi20",  SYMLINK+="isdn/capi20"


KERNEL=="capi?*",           NAME="capi/%n", GROUP="uucp"


KERNEL=="dcbri[0-9]*",      GROUP="uucp"





# ALSA devices go in their own subdirectory





KERNEL=="controlC[0-9]*",        GROUP="audio",  NAME="snd/%k"


KERNEL=="hwC[0-9]*D[0-9]*",      GROUP="audio",  NAME="snd/%k"


KERNEL=="pcmC[0-9]*D[0-9]*[cp]", GROUP="audio",  NAME="snd/%k"


KERNEL=="midiC[0-9]*D[0-9]*",    GROUP="audio",  NAME="snd/%k"


KERNEL=="timer",                 GROUP="audio",  NAME="snd/%k"


KERNEL=="seq",                   GROUP="audio",  NAME="snd/%k"





# Sound devices





KERNEL=="admmidi*",     GROUP="audio"


KERNEL=="adsp*",        GROUP="audio"


KERNEL=="aload*",       GROUP="audio"


KERNEL=="amidi*",       GROUP="audio"


KERNEL=="amixer*",      GROUP="audio"


KERNEL=="audio*",       GROUP="audio"


KERNEL=="dmfm*",        GROUP="audio"


KERNEL=="dmmidi*",      GROUP="audio"


KERNEL=="dsp*",         GROUP="audio"


KERNEL=="midi*",        GROUP="audio"


KERNEL=="mixer*",       GROUP="audio"


KERNEL=="music",        GROUP="audio"


KERNEL=="sequencer*",   GROUP="audio"





# Input devices





# override MODE on these four


KERNEL=="mice",     MODE="0644",    SYMLINK+="mouse"


KERNEL=="mouse*",   MODE="0644"


KERNEL=="event*",   MODE="0644"


KERNEL=="ts*",      MODE="0644"





KERNEL=="psaux",    MODE="0644"


KERNEL=="js",       MODE="0644"


KERNEL=="djs",      MODE="0644"





# USB devices go in their own subdirectory





KERNEL=="hiddev*",          NAME="usb/%k"


KERNEL=="legousbtower*",    NAME="usb/%k"


KERNEL=="dabusb*",          NAME="usb/%k"


SUBSYSTEMS=="usb", KERNEL=="lp[0-9]*", NAME="usb/%k"





# DRI devices are managed by the X server, so prevent udev from creating them





KERNEL=="card*",    OPTIONS+="ignore_device"





# Video devices





KERNEL=="fb[0-9]*",     GROUP="video"


KERNEL=="video[0-9]*",  GROUP="video"


KERNEL=="radio[0-9]*",  GROUP="video"


KERNEL=="vbi[0-9]*",    GROUP="video"


KERNEL=="vtx[0-9]*",    GROUP="video"





# DVB devices





SUBSYSTEM=="dvb", GROUP="video"





# Storage/memory devices





# override: make group-writable


SUBSYSTEM=="block", MODE="0660"





# dmsetup and lvm2 related programs create devicemapper devices so we prevent


# udev from creating them





KERNEL=="dm-*",             OPTIONS+="ignore_device"





# Tape devices





# override all these


KERNEL=="ht[0-9]*",     GROUP="tape"


KERNEL=="nht[0-9]*",    GROUP="tape"


KERNEL=="pt[0-9]*",     GROUP="tape"


KERNEL=="npt[0-9]*",    GROUP="tape"


KERNEL=="st[0-9]*",     GROUP="tape"


KERNEL=="nst[0-9]*",    GROUP="tape"





# Override floppy devices


KERNEL=="fd[0-9]",    GROUP="floppy"


KERNEL=="fd[0-9]", ACTION=="add", ATTRS{cmos}=="?*", RUN+="create_floppy_devices -c -t $attr{cmos} -m %M -M 0660 -G floppy $root/%k"



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