Security

Question 1

passwd

Answer 1

Change the current user’s password.

Question 2

sudo -i

Answer 2

Switch to the root account with root’s
environment. (Login shell.)

Question 3

sudo -s

Answer 3

Execute your current shell as root.
(Non-login shell.)

Question 4

sudo -l

Answer 4

List sudo privileges for the current user

Question 5

visudo

Answer 5

Edit the sudoers configuration file.

Question 6

getenforce

Answer 6

Display the current SELinux mode

Question 7

sestatus

Answer 7

Display SELinux details such as the current
SELinux mode, the configured mode, and the
loaded policy

Question 8

setenforce 0

Answer 8

Change the current SELinux mode to
Permissive. (Does not survive a reboot.)

Question 9

setenforce 1

Answer 9

Change the current SELinux mode to
Enforcing. (Does not survive a reboot.)

Question 10

SELINUX=enforcing

Answer 10

Set the SELinux mode to enforcing on boot
by using this setting in the
/etc/selinux/config file.

Question 11

SELINUX=permissive

Answer 11

Set the SELinux mode to permissive on boot
by using this setting in the
/etc/selinux/config file.

Question 12

SELINUX=disabled

Answer 12

Set the SELinux mode to disabled on boot by
using this setting in the
/etc/selinux/config file.