Mastering Linux Security and Hardening

Hands-on lab – creating a shared group directory

For this lab, you'll just put together everything that you've learned in this chapter to create a shared directory for a group. You can do this on either of your virtual machines:

1. On either virtual machine, create the sales group:

        sudo groupadd sales

2. Create the users Mimi, Mr. Gray, and Mommy, adding them to the sales group as you create the accounts.

On the CentOS VM, do:

        sudo useradd -G sales mimi        sudo useradd -G sales mrgray        sudo useradd -G sales mommy

On the Ubuntu VM, do:

        sudo useradd -m -d /home/mimi -s /bin/bash -G sales mimi        sudo useradd -m -d /home/mrgray -s /bin/bash -G sales mrgray        sudo useradd -m -d /home/mommy -s /bin/bash -G sales mommy

3. Assign each user a password.
4. Create ...