описание групп в Linux

Группы в LINUX

Чаще всего на рабочих станциях и домашних компьютерах добавляют не-root пользователей в ниже указанные группы, чтобы дать доступ к оборудованию или функциям системного администрирования:

  • audio
  • floppy
  • lp
  • network
  • optical
  • power
  • storage
  • video
  • wheel
Список групп и их функции (отсортированно по алфавиту)
Группа Affected files Назначение
adm
/var/log/*
доступ на чтение к log файлам.
audio
/dev/audio

,

/dev/snd/*

,

/dev/rtc0
Доступ к звуковому оборудованию.
avahi
bin
/usr/bin/*
Right to modify binaries only by root, but right to read or executed by anyone. (Please modify this for better understanding…)
camera доступ к цифровым камерам Digital Cameras.
clamav
/var/lib/clamav/*

,

/var/log/clamav/*
И Clam AntiVirus.
daemon
dbus
/var/run/dbus/*
disk
/dev/sda[1-9]

,

/dev/sdb[1-9]
Access to block devices not affected by other groups such as optical, floppy, and storage.
floppy
/dev/fd[0-9]
Access to floppy drives.
ftp
/srv/ftp
games
/var/games
Access to some game software.
gdm
hal
/var/run/hald

,

/var/cache/hald
http
kmem
/dev/port

,

/dev/mem

,

/dev/kmem
locate
/usr/bin/locate

,

/var/lib/locate

,

/var/lib/mlocate

,

/var/lib/slocate
Right to use
updatedb

command.

log
/var/log/*
Access to log files in
/var/log

,

lp
/etc/cups

,

/var/log/cups

,

/var/cache/cups

,

/var/spool/cups
Access to printer hardware; enables the user to manage print jobs.
mem
mail
/usr/bin/mail
network Right to change network settings such as when using NetworkManager.
networkmanager Requirement for your user to connect wirelessly with NetworkManager. This group is not included with Arch by default so it must be added manually.
nobody Unprivileged group.
ntp
optical
/dev/sr[0-9]

,

/dev/sg[0-9]
Access to optical devices such as CD and DVD drives.
policykit
power Right to use suspend utilities and power management controls.
rfkill
root
/*
Complete system administration and control (root, admin).
scanner
/var/lock/sane
Access to scanner hardware.
smmsp
sendmail

group

storage Access to removable drives such as USB hard drives, flash/jump drives, MP3 players; enables the user to mount storage devices through HAL and D-Bus.
stb-admin
sys Right to admin printers in CUPS.
thinkpad
/dev/misc/nvram
Used by ThinkPad users for access to tools such as tpb.
tty
/dev/tty

,

/dev/vcc

,

/dev/vc

,

/dev/ptmx
Eg. to acces /dev/ACMx
users Standard users group.
uucp
/dev/ttyS[0-9]

,

/dev/tts/[0-9]
Serial and USB devices such as modems, handhelds, RS-232/serial ports.
vboxusers
/dev/vboxdrv
Right to use VirtualBox software.
video
/dev/fb/0

,

/dev/misc/agpgart
Access to video capture devices, DRI/3D hardware acceleration (X can be used without belonging to this group).
vmware Right to use VMware software.
wheel Right to use sudo (setup with
visudo

), also affected by PAM.

При подготовке использован материал с сайта Archlinux.org

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