Changes

# In the current version of CentOS the first time you boot your system a licence prompt comes up. To save you some stress, here are the keys you need to press to get past it:

# Log in and check that you have access to the internet. If you don't - you need to get the network interface to come up on boot. Edit '''/etc/sysconfig/network-scripts/ifcfg-eno1''' (the name of the interface may be different) and make change '''onboot''' to '''yes'''.

#* Then you can use '''ifup'''/'''ifdown''' commands to reset your network configuration or you can just reboot.

# '''Disable SELinux''' or else you may run into unnecessary problems during the course. SELinux is an important technology but we won't have time to cover it in this course. To disable it edit the '''/etc/selinux/config''' file and follow the instructions inside.

===Using iptables===

At this point you have a basic Centos system installed and updated. This will serve as a host for the virtual machines where you will do the majority of the work in this course. All the rest of our labs will assume you have this basic system running. If, for any reason, your system becomes corrupted during the semester, you'll have to redo this lab to be able to continue with the remaining uncompleted labs. You are responsible for YOUR system. If you do not perform back-ups you have taken this risk on yourself. Poor planning on your part does not constitute an emergency for anyone else.

==Part B: Virtual Machine Installation ==