Solution for SSH connection on Ubuntu system within LAN or over internet. The Linux must be listening to the port SSH and should keep firewall open.
sudo apt update sudo apt install openssh-server sudo systemctl status ssh sudo ufw allow ssh
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Gokul Deepak is a DevOps engineer focused on building reliable cloud systems through automation, observability, and disciplined infrastructure design. He shares practical insights from real-world production environments, helping engineers build systems that scale with clarity and confidence.