Master Linux server administration: secure connections, file system mastery, user permissions, software management, and more. Become a full-stack operator.
Secure your server by updating software, hardening SSH, configuring a firewall, and minimizing services. This reduces vulnerabilities and strengthens your defenses.
Master Linux server troubleshooting with this systematic guide. Learn to identify root causes, using commands and logs to restore order. Stay calm, collect data, and solve problems efficiently.
Learn essential backup strategies using `tar` and `rsync` to protect your application data from loss. Off-site backups are crucial! Test your restores regularly.
Automate server tasks with Bash scripting and cron jobs. Learn to create scripts for updates, backups, and health checks, scheduling them for efficient server management.
Secure your server by understanding IP addresses, ports, and firewalls. Use `netstat`, `ping`, and `ufw` to monitor and control network access. Minimize open ports for enhanced security.
Master Linux process management with `ps`, `top`, `htop`, `kill`, `pkill`, and `systemctl`. Learn to monitor, control, and ensure application persistence.