This Virtualbox tutorial will show you how to take a snapshot on Virtualbox. First you will see how to take a snapshot of a running virtual machine. You will then see how to restore the snapshot. Snapshots allow you to save the state of a virtual machine; this can be useful when you want to test something, or you’re about to make a change to that virtual machine, and you need to be able to roll back to a working instance. Snapshots have saved me on numerous occasions and are an excellent feature!
This Video will show you how to solve the error: unable to open primary script permission denied on Centos 8.
In this video i was trying to install moodle and when i went to access the site, I kept getting an error. In the Apache logs i could see the error: unable to open primary script: ‘Unable to open primary script varwwwhtmlmoodleindex.php (Permission denied)
When i delved into the error i could see that it was selinux was causing the issue.
You can disable selinux on the fly by entering: sudo setenforce 0
but to permanently disable you should edit the/etc/selinux/config file and