Iptables instalation is not working during lab exercise

Linux Basics Course
#1

command : sudo apt install iptables

is not working , pls help with this

#2

Please share the link to the lab. Also please paste the output of the command.

#3

This is resolved now , thanks

#4

Below is what worked for me :

  1. ssh into devapp01 and run the sudo apt install iptables
  2. ssh into devdb01 and run the sudo apt install iptables