Sergio Peris (sertxu.dev) — Full-Stack Developer & SysAdmin

Blog

Thoughts on development, infrastructure, and the tools I use.

Oct 31, 2024

Disable password expiration in Windows

Windows Security

Oct 21, 2024

Reset unknown Windows' administrator password

Windows Tutorial Security

Oct 10, 2024

Solve "WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!”

Tutorial Security Open SSH Linux

Oct 09, 2024

Create a self-signed certificate with your own root CA

Tutorial Security SSL

Oct 02, 2024

Request Let's Encrypt wildcard certificate

Tutorial Security Ubuntu Let's Encrypt SSL

Oct 01, 2024

Using Let's Encrypt with Cloudflare DNS

Tutorial Security Ubuntu Let's Encrypt SSL Cloudflare

Sep 25, 2024

Change the Network Profile to Public or Private on Windows

Windows Tutorial Networking Firewall Security