Add an Active Directory (AD) Domain Account to sudo on Centrify Express for CentOS 6


Adding a Active Directory (AD) Domain Account to /etc/sudo is fairly easy on Centrify Express for CentOS 6. Suppose you have an AD Group called “Sys_Admin”, just add it to the

.....
## Allow root to run any commands anywhere
root    ALL=(ALL)       ALL
%System_Admin ALL=(ALL)       ALL
.....

If it is an individual user, just get the userid from Active Directory

# getent passwd myuserid
user1:x:122:122:User1 Name:/home/user1:/bin/centrifyda

Update /etc/sudoers

.....
## Allow root to run any commands anywhere
root    ALL=(ALL)       ALL
%user1 ALL=(ALL)       ALL
.....

Do a final check on whether the sudo is working fine by doing

# sudo -l

Matching Defaults entries for user1 on this host:
requiretty, !visiblepw, always_set_home, env_reset, env_keep="COLORS
DISPLAY HOSTNAME HISTSIZE INPUTRC KDEDIR LS_COLORS", env_keep+="MAIL PS1
PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE
LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES", env_keep+="LC_MONETARY
LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL
LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY",
secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin

User user1 may run the following commands on this host:
(ALL) ALL
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