SELinux:
- Accessing SELinux policy documentation: https://www.redhat.com/sysadmin/accessing-selinux-policy-documentation
- Using SELinux: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/using_selinux/index
- SELinux System Administration-Second Edition: https://www.packtpub.com/networking-and-servers/selinux-system-administration-second-edition
- SELinux Coloring book: https://opensource.com/business/13/11/selinux-policy-guide
AppArmor:
- Ubuntu AppArmor wiki: https://wiki.ubuntu.com/AppArmor
- How to create an AppArmor profile: https://tutorials.ubuntu.com/tutorial/beginning-apparmor-profile-development#0
- The comprehensive guide to AppArmor: https://medium.com/information-and-technology/so-what-is-apparmor-64d7ae211ed