Udemy – Learn everything about Linux! Updated v2026! 100+hours

This course will cover everything about Linux, from the most basic configurations for beginners to advanced topics.

More than 600 on-demand classes!

In this course, we will study:

• Basic to advanced configuration of your Linux
• TCP/IP configurations, network configuration
• Firewall concepts and their configurations
• DHCP server configuration
• Creating a LAMP
• DNS server with BIND9
• FTP server
• Samba server
• NFS server
• Regular expressions
• Learn how to use Shell Script!
• Various databases!
• Docker on Linux!
• Git!
• Kubernetes
• Ansible
• VoIP with Asterisk
• Monitoring with Prometheus
• Terraform
• And more!

In the Security section, we cover:

• How to protect your Linux systems against hackers.
• Ways to prevent attackers from breaking into your systems, even when they have physical access to your machine.
• How to enforce strong password policies and control password and account aging policies on your Linux servers.
• SSH hardening practices with fail2ban.
• Network security tactics.
• Port scanning and network service detection.
• How the Linux firewall works and exactly how to configure it.
• How to protect the superuser (root) account.
• Ways to share accounts securely with an audit trail.
• File system security and encryption.
• Using and configuring sudo, and why you need it.
• Advanced Linux permissions include special modes, file attributes, and access control lists (ACLs).
• Among others! And much more!