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04-Access-Control-Files.md

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ACCESS CONTROL FILES

  • Take me to the Tutorial

  • Access Ccontrol files are stored under /etc.

  • Can be read by anyone and can be only edited by root user.

Control files

  • To get more details about one's account for example bob account, home director, uid, and shell check /etc/passwd

    [~]$ grep -i ^bob /etc/passwd
bob:x:1002:1002::/home/bob:/bin/sh
USERNAME:PASSWORD:UID:GID:GECOS:HOMEDIR:SHELL

    passwd

  • Password are stored under /etc/shadow

    [~]$ grep -i ^bob /etc/shadow
bob:$6$0h0utOtO$5JcuRxR7y72LLQk4Kdog7u09LsNFS0yZPkIC8pV9tgD0wXCHutY
cWF/7.eJ3TfGfG0lj4JF63PyuPwKC18tJS.:18188:0:99999:7:::

USERNAME:PASSWORD:LASTCHANGE:MINAGE:MAXAGE:WARN:INACTIVE:EXPDATE

    shadow

  • Check the groups bob belongs too

    [~]$ grep -i ^bob /etc/group
NAME:PASSWORD:GID:MEMBERS

    egp

HANDS-ON LABS

  • Lets start with Managing and User Accounts here