Credentials from
Internet Society DirectoryJul 11, 2025
Jul 11, 2025
Advanced Network Operations 2.0 
Advanced Network Operations 2.0
- Advanced DNS
- Introduction to email
- Introduction to secure web
- Introduction to Network Monitoring.
May 8, 2025
May 8, 2025
Introduction to Network Operations 
Introduction to Network Operations
- Introduction to Linux and UNIX operating systems
- How DNS Works
- debugging DNS and how to run a caching DNS server using open source software
May 6, 2025
May 6, 2025
Overview of Networking, IPv4, and IPv6 
Overview of Networking, IPv4, and IPv6
- IPv4
- IPv6
- Subnetting
- Routing in UNIX and Linux
- Default gateways
May 6, 2025
May 6, 2025
Introduction to UNIX/Linux and Virtualization 
Introduction to UNIX/Linux and Virtualization
- Introduction to Linux and UNIX operating systems
May 6, 2025
May 6, 2025
Working With the UNIX/Linux Shell 
Working With the UNIX/Linux Shell
- UNIX/Linux shells
- Bash
- Shell commands
- Changing file ownership and file permissions on the command line
May 6, 2025
May 6, 2025
Using a Package Manager to Install Third Party Apps 
Using a Package Manager to Install Third Party Apps
- Installing third-party apps on Linux and UNIX FreeBSD’s package manager FreeBSD’s Ports system
- FreeBSD’s package manager
- FreeBSD’s Ports system
May 6, 2025
May 6, 2025
How a Caching DNS Server Works 
How a Caching DNS Server Works
- DNS root servers
- Debugging DNS
- BIND DNS server
- UnBound DNS server