Security

Question 1

passwd

Answer 1

Change current user’s password

Question 2

sudo -s

Answer 2

Execute your current shell as root (Non-login shell)
What is a login shell?

Question 2

sudo -i

Answer 2

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

Question 3

sudo -l

Answer 3

List sudo privileges for the current user

Question 4

visudo

Answer 4

Edit the sudoers config file
(“vi” is for…?)

Question 5

getenforce

Answer 5

Display the current SELinux mode

Question 6

setstatus

Answer 6

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

Question 7

setenforce 0

Answer 7

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

Question 8

setenforce 1

Answer 8

Change the current SELinux mode to enforcing (Does not survive reboot)

Question 9

SELINUX=enforcing

Answer 9

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

Question 10

SELINUX=permisive

Answer 10

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

Question 11

SELINUX=disabled

Answer 11

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