DNS & System Administration Blog
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- Ubuntu Unattended Upgrades with Mailtrap Email NotificationsSet up automatic security updates on Ubuntu with email notifications via Mailtrap API. Bypass SMTP port blocks on cloud providers like DigitalOcean.
- Ubuntu
- Security
- Automation
- DevOps
- Multiple GitHub Accounts with SSH Keys Setup GuideConfigure multiple GitHub accounts on one machine with SSH keys and automatic Git identity switching. Separate work and personal projects easily.
- Git
- GitHub
- DevOps
- Linux
- Auto-Update UFW with Cloudflare IPs - Bash ScriptAutomatically update UFW firewall with Cloudflare IP ranges. Protect your origin server from DDoS attacks with this bash script and cron job.
- Cloudflare
- Linux
- Security
- Automation
- Install n8n with Docker Compose and Nginx on Ubuntu VPSDeploy n8n workflow automation on Ubuntu VPS with Docker Compose and Nginx. Includes SSL setup, authentication, and production best practices.
- Docker
- Nginx
- Ubuntu
- Self-Hosted