Configuring network access with Cisco ASA

Deploy Java Spring boot project as systemd service

Increase VPS server's security

Fix Python HTTP requests SSL verification error

Install and configure PostgreSQL

Install and configure OpenVPN server on Debian

Hack WPA2-PSK using Aircrack-ng

Install letsencrypt in Debian

Deploy Django project with Gunicorn, PostgreSQL, Nginx

Configure Cisco firewall in Linux