MIXED

Question 1

Compare output of
fdisk-l /dev/DiskName

cat /proc/partitions

Command
partprobe /dev/DiskName

partprobe

Answer 1

How to check if
partition on new disk is added to partition table
Compare if also added to in-memory kernel partition table?

How to add new partition to kernel partition table?

How to add after extending partition?

Question 2

command

id UserName

Answer 2

Check user info including groups

Question 3

sudo useradd -a -G groupname username

-a (append)

Answer 3

Add an Existing User to a secondary Group

Question 4

ls /bin

Answer 4

see many commands on system

Question 5

vi /etc/selinux/config

SELINUX=enforcing

Answer 5

change selinux to enforcing mode

?? is it live though? other ways to do it? like the commands

Question 6

lscpu

Core(s) per socket: 4
Socket(s): 1

Answer 6

How many cpu cores in a system