udevmonitor
udevtest /block/sdc/sdc1
udevcontrol log_priority=debug

udevadm monitor
udevtest /block/sdc/sdc1
udevcontrol log_priority=debug

ls -rtl /dev
find /dev -ctime -30
find /dev -type c -o -type b -printf '%TY%Tm%Td%TI%TM %p\n' | sort -n

/etc/udev/rules.d/30-net_persistent_names.rules: ( SuSE 10.1 default )

SUBSYSTEM=="net", ACTION=="add", SYSFS{address}=="00:00:f0:73:d5:5e", IMPORT="/lib/udev/rename_netiface %k eth0"

udevinfo -a -p /sys/class/net/eth0

oder

udevadm info -a -p /sys/class/net/eth0

lspci

/etc/udev/rules.d/30-net_persistent_names.rules: ( SuSE 10.2 )

SUBSYSTEMS=="pci", KERNELS=="0000:00:11.0" , IMPORT="/lib/udev/rename_netiface %k eth0"

modprobe dummy
ip link show dummy0

udevadm info -a -p /sys/class/net/dummy0

/etc/udev/rules.d/70-persistent-net.rules

ACTION=="add", SUBSYSTEM=="net", KERNEL=="dummy0", NAME="intern0"
ACTION=="add", SUBSYSTEM=="net", KERNEL=="dummy0", RUN="/bin/touch /tmp/udev-test"

ip l
ls -l /tmp/udev-test

/etc/udev/rules.d/75-show-last-usb.rules

SUBSYSTEM=="usb", SYMLINK+="last-usb-device"

ls -l /dev/last-usb-device

udevadm trigger

Welcher sysfs Pfad zum Gerät /dev/sda ?

udevadm info -q path -n /dev/sda

Welche Informationen zum Gerät /dev/sda ?

udevadm info -a -p $(udevadm info -q path -n /dev/sda)

Geräte, die immer erzeugt werden sollen:

ls /lib/udev/devices/

• http://www.reactivated.net/writing_udev_rules.html
• http://www.linux-magazin.de/heft_abo/ausgaben/2006/09/geraeteverwalter
• http://de.gentoo-wiki.com/Udev_Rules
• http://www.debianadmin.com/rename-network-interface-using-udev-in-linux.html
• http://www.novell.com/documentation/sles10/sles_admin/data/cha_udev.html