Let's know the groups that the user will be connected to in Linux
In the Groups section, let's recognize the groups that allow the users to use the features of the computer that are defined and created.
| Group | Affected Files | Duty - Authority |
|---|---|---|
| adm | /var/log/* | Reading log files |
| audio | /dev/audio,
/dev/snd/*, /dev/rtc0 | Access to sound related equipment |
| avahi | ||
| bin | /usr/bin/* | The right to change binary files is only root. This permission allows normal users to run and read bin files. |
| camera | Access to digital cameras. | |
| clamav | /var/lib/clamav/*,
/var/log/clamav/* | Clam is used by AntiVirus. |
| daemon | ||
| dbus | /var/run/dbus/* | |
| disk | /dev/sda[1-9],
/dev/sdb[1-9], /dev/hda[1-9] | Access to block data devices. It does not affect the optical, floppy, and storage groups. |
| ftp | /srv/ftp | |
| games | /var/games | Access to games |
| 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 | gives the right to use the updatedb command. |
| log | /var/log/* | Access to log files in / var / log… |
| lp | /etc/cups,
/var/log/cups, /var/cache/cups, /var/spool/cups | Allows the printer access and settings. |
| mem | ||
| /usr/bin/mail | ||
| network | NetworkManager Allows you to change the network settings. | |
| networkmanager | Required when the user wants to connect to the wireless network using the NetworkManager. Must be added manually | |
| nobody | A group that has no properties. | |
| ntp | ||
| optical | /dev/sr[0-9],
/dev/sg[0-9] | Allows access to and control of optical devices such as CDs and DVDs. |
| policykit | ||
| power | Allows the use of pm-utils (suspend, hibernate, etc.). It also gives the right to change power management. | |
| rfkill | ||
| root | /* | It gives the right to control the whole system. |
| scanner | /var/lock/sane | Allows the scanner to access. |
| smmsp | sendmail group. | |
| storage | Allows use of hardware such as USB HDDs, flash / jump devices and MP3 players. It also allows you to connect data loggers to the system using HAL and D-Bus. (Mount) | |
| stb-admin | ||
| sys | Allows you to manage printers defined in CUPS. | |
| thinkpad | /dev/misc/nvram | Allows ThinkPad users to use tools such as tpb. |
| tty | /dev/tty,
/dev/vcc, /dev/vc, /dev/ptmx | Access to / dev / ACMx directories… |
| users | Standard user group. | |
| uucp | /dev/ttyS[0-9],
/dev/tts/[0-9] | Serial and USB devices (modems, handhelds, RS-232 / serial ports) |
| vboxusers | /dev/vboxdrv | VirtualBox grants you the right to use virtualization 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 | VMware gives you the right to use virtualization software. | |
| wheel | Allows you to use sudo. (replaced with visudo). It is also affected by PAM. |
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