[Updated 2020-12-04] This post explains how to set up robust security headers in NGINX to protect your web application from malicious payloads and other forms of attacks. Choose your HTTP(S) headers wisely.
Here is one nifty service that can dig up useful information about a website, a domain or an IP address and it doesn’t cost a dime.
Most of us have a love-hate relationship with SELinux.
Good ol’ fashioned cron can greatly simplify system maintenance.
Who wants to issue certificates manually if they can take Letsencrypt’s Certbot to the task.