1.) I installed LAMP on CentOS 7. When I did Yum update and yum Upgrade, it broke the virtual server links. What is the best way of upgrading a CentOS 7 server so I don't break Apache?
2.) What is the best way of using ACLs to layer security on CentOS? Right now everything is set to Root. I want to add a ACL for /var/www so I can backup the web sites and access them. I want to use ACL for Word Press to only have access to what it needs since it is exposed to the real world.
Michael,
I hope all is well, It comes down to planning, as so many things do. Take a look at this blog post to address your first question, as it walks you through the step by step to perform the upgrade, along with setting up and using the CodeIT Repos, which will get you around some of the issues associated with install/upgrades and ensure that you have the latest updates.
https://crosp.net/blog/administration/install-latest-apache-server-centos-7/
For Question #2, take a look here, as this is the CentOS MAN file for ACls, and has links to all of the sub items that you will want to examine. There are two types of ACLs you will have to figure out and use:
https://www.centos.org/docs/5/html/Deployment_Guide-en-US/ch-acls.html
Good Luck ... Let me know if you need anything else. 
Cheers,
Adam
My problem with Linux has always been finding good sources of information vs. all the crap out there. I want to have both a CentOS and Ubuntu server. I have two ISPs at home. I will put one server on each WAN port.
Thanks for the links.
I ran into the Ubuntu upgrade problem with sudo apt-get dist-upgrade not working on US Servers. I switched to Waterloo Canada and fixed it on 16.04.4.
CentOS 7 has been harder to find stuff on. With Wordpress exposed to the outside world, I want to lock down those directories to only those users but have /var/www available to backup from to my tape drives.
How can I do CoreIT Apache upgrade after I already installed LAMP and have Apache working with two virtual host sites.
I was looking for a more direct way of properly upgrading Apache to the newer versions. I upgraded PHP to fix a cropping issue in Wordpress. I am still trying to find a better theme that can do transparent text boxes.
I found how to upgrade PHP and create a MariaDB.Repo file to upgrade from 5.5.56 to 10.3.
Great !!! Perhaps you could share and post here so anyone else following the thread, or interested, can understand how you did it? I am sure that some members will find the information valuable.