When migrating a web service or adjusting DNS settings you may come across unexpected behavior of your site long after all errors have been fixed (or so you thought before hitting the Reload button). The hard reality is that in their quest for speed, web browsers try not to make new DNS requests they deem unnecessary. The result is much screaming&steaming from administrators who are in the middle of a job.
If you are having trouble getting your web server to work or starting services on the system, SELinux could be at fault.
Have you locked yourself out of WordPress due to some upgrade or restore mishap in combination with the lack of a valid email address to restore it to? Welcome to the Club of lucky administrators! There is a solution to this particular problem that just begs to be shouted from the rooftops: why don’t you reset your WordPress password using MySQL (or MariaDB). Let’s get right to it.
Installing PHP on the Red Hat family—Fedora, RHEL, CentOS 7—is a must for cyber security and it’s not rocket science. With a few easy steps, you too can bring your PHP based web applications to the next level.
The setup of the LEMP stack (NGINX, MariaDB or MySQL, and PHP) has many caveats which can impact both performance and security. Here is how to do it right.