/etc/udev/rules.d/40-basic-permissions.rules
# This file establishes permissions and ownership of devices according
# to Ubuntu policy. See udev(7) for syntax.
#
# The names of the devices must not be set here, but in 20-names.rules;
# user-friendly symlinks (which need no permissions or ownership) should
# be set in 60-symlinks.rules.
# USB devices (usbfs replacement)
SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", MODE="0664"
SUBSYSTEM=="usb_device", MODE="0664"
# vc (virtual console) devices
SUBSYSTEM!="tty", GOTO="vc_end"
KERNEL=="console", MODE="0600"
KERNEL=="ptmx", MODE="0666"
KERNEL=="tty", MODE="0666"
LABEL="vc_end"
# Miscellaneous devices
KERNEL=="null", MODE="0666"
KERNEL=="zero", MODE="0666"
KERNEL=="full", MODE="0666"
KERNEL=="random", MODE="0666"
KERNEL=="urandom", MODE="0666"
KERNEL=="inotify", MODE="0666"
/etc/udev/rules.d/40-permissions.rules
# This file establishes permissions and ownership of devices according
# to Ubuntu policy. See udev(7) for syntax.
#
# The names of the devices must not be set here, but in 20-names.rules;
# user-friendly symlinks (which need no permissions or ownership) should
# be set in 60-symlinks.rules.
# Block devices
SUBSYSTEM!="block", GOTO="block_end"
ATTRS{removable}!="1", GROUP="disk"
ATTRS{removable}=="1", GROUP="floppy"
SUBSYSTEMS=="usb", GROUP="plugdev"
SUBSYSTEMS=="ieee1394", GROUP="plugdev"
SUBSYSTEMS=="mmc", GROUP="plugdev"
SUBSYSTEMS=="pcmcia", GROUP="plugdev"
LABEL="block_end"
# IDE devices
ENV{ID_CDROM}=="?*", GROUP="cdrom"
KERNEL=="ht[0-9]*", GROUP="tape"
KERNEL=="nht[0-9]*", GROUP="tape"
# IEEE1394 (firewire) devices
# Please note that raw1394 gives unrestricted, raw access to every single
# device on the bus and those devices may do anything as root on your system.
# Yes, I know it also happens to be the only way to rewind your video camera,
# but it's not going to be group "video", okay?
KERNEL=="raw1394", GROUP="disk"
KERNEL=="dv1394*", GROUP="video"
KERNEL=="video1394*", GROUP="video"
# Packet CD devices, group under /dev/pktcdvd
KERNEL=="pktcdvd", MODE="0644"
KERNEL=="pktcdvd[0-9]*", GROUP="cdrom"
# Printers and Parallel devices
SUBSYSTEM=="printer", GROUP="lp"
SUBSYSTEM=="ppdev", GROUP="lp"
SUBSYSTEM=="usb", KERNEL=="lp[0-9]*", GROUP="lp"
KERNEL=="pt[0-9]*", GROUP="tape"
KERNEL=="pht[0-9]*", GROUP="tape"
# SCSI devices
SUBSYSTEMS=="scsi", GOTO="scsi_start"
GOTO="scsi_end"
LABEL="scsi_start"
ATTRS{type}=="0", GROUP="disk"
ATTRS{type}=="1", GROUP="tape"
ATTRS{type}=="4", GROUP="cdrom"
ATTRS{type}=="5", GROUP="cdrom"
ATTRS{type}=="6", GROUP="scanner"
ATTRS{type}=="8", GROUP="tape"
ATTRS{type}=="3", ATTRS{vendor}=="HP", GROUP="scanner"
ATTRS{type}=="3", ATTRS{vendor}=="Epson", GROUP="scanner"
ATTRS{type}=="3", ATTRS{vendor}=="EPSON", GROUP="scanner"
LABEL="scsi_end"
# Serial devices
SUBSYSTEM=="tty", GROUP="dialout"
SUBSYSTEM=="capi", GROUP="dialout"
SUBSYSTEM=="slamr", GROUP="dialout"
SUBSYSTEM=="zaptel", GROUP="dialout"
KERNEL=="ttyLTM[0-9]*", GROUP="dialout", MODE="0660"
# USB serial converters
SUBSYSTEM=="usb_device", GOTO="usb_serial_start"
SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", GOTO="usb_serial_start"
GOTO="usb_serial_end"
LABEL="usb_serial_start"
ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", \
MODE="0660", GROUP="dialout"
LABEL="usb_serial_end"
# Sound devices
SUBSYSTEM=="sound", GROUP="audio"
# pty devices
SUBSYSTEM=="tty", KERNEL=="pty*", GROUP="tty", MODE="0666"
# Video devices
SUBSYSTEM=="drm", GROUP="video"
SUBSYSTEM=="dvb", GROUP="video"
SUBSYSTEM=="graphics", GROUP="video"
SUBSYSTEM=="video4linux", GROUP="video"
KERNEL=="agpgart", GROUP="video"
KERNEL=="nvidia*", GROUP="video"
# Other devices, by name
KERNEL=="mem", GROUP="kmem", MODE="0640"
KERNEL=="kmem", GROUP="kmem", MODE="0640"
KERNEL=="port", GROUP="kmem", MODE="0640"
KERNEL=="nvram", GROUP="nvram"
KERNEL=="rtc", GROUP="audio"
KERNEL=="js[0-9]*", GROUP="plugdev"
Попринцип всичко трябва да си е по default, нищо не съм бъркал в тези файлове ,( незнам дали някоя от програмите който съм слагал не е променяла нещо там)