Which two statements are true about administering the use of the Sudo command in Oracle
Linux?
A.
Multiple administrators may edit the /etc/sudoers file simultaneously using vi but only one
may save the edited result.
B.
Multiple administrators may edit the /etc/sudoers file simultaneously using visudo but only
one may save the edited result.
C.
visudo will never save the /etc/sudoers file if there are syntax errors in the file after
editing.
D.
visudo prompts for an action if there are syntax errors in the /etc/sudoers file after editing.
E.
Using vi to edit /etc/sudoers opens the file read only.
Explanation:
D & E
Examples:
D. See below. visudo prompt when syntax errors are found, but will still allow you to save.
visudo: >>> /etc/sudoers: syntax error near line 112 <<<
What now?
Options are:
(e)dit sudoers file again
e(x)it without saving changes to sudoers file
(Q)uit and save changes to sudoers file (DANGER!)
E. See below when opening /etc/sudoers in vi
"/etc/sudoers" [readonly] 111L, 3728C
References:
https://docs.oracle.com/cd/E37670_01/E36387/html/ol_clcuaap_sec.html
https://www.sudo.ws/sudo/man/1.7.10/visudo.man.html
D&E