If you are upgrading an existing system with EasyAache 3 to EasyApache 4, you may run into an error where Apache won't start because EasyApache is missing the ModSecurity config. EA3 compiled modsecurity from scratch whereas EA4 finally supports software packages, running the ASL installer again will install the correct packages. Just follow the instructions below and you'll be all set:
Run the Automated ASL installer
Become root on your system. To become root run this command:
then enter your root password.
Cut and paste the command below, and run this command as root:
wget -q -O - https://updates.atomicorp.com/installers/asl |sh
Follow the instructions in the installer being sure to answer the configuration questions appropriately for your system.
Note: You must have a version of wget installed that supports HTTPS to install ASL, as described on the ASL prerequisites page.
If you do not get any output from the installation command it is likely wget on your system was replaced with a crippled version that does not support SSL. Please see this article to test if your wget supports SSL if you are unsure:
See the unattended installs article for advanced instructions for unattended installations.