Linux System Engineer: Networking and SSH

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Free Online Course: Linux System Engineer: Networking and SSH provided by LinkedIn Learning is a comprehensive online course, which lasts for 1-2 hours worth of material. The course is taught in English and is free of charge. Upon completion of the course, you can receive an e-certificate from LinkedIn Learning. Linux System Engineer: Networking and SSH is taught by Grant McWilliams.

Overview
  • Study to pass the RHCE exam—the benchmark certification for Red Hat Enterprise Linux. This course covers the networking and Secure Shell (SSH) topics from the exam.

Syllabus
  • Introduction

    • Demystify Linux networking and SSH
    • What you should know
    • OS installation
    • Lab setup
    • Install Guest Additions
    1. Linux Networking Overview
    • Consistent network naming with systemd
    • About NetworkManager
    2. Gather Network Information
    • Get IP address, subnet mask, and default gateway
    • Get system hostname
    • Get network information from the GUI
    3. Use Network Tools
    • Ensure connectivity with ping
    • Get network statistics with ss and ip
    • Analyze ARP table with arp and ip
    • Query DNS servers with dig
    4. Change Live Network Configuration
    • Change hostname
    • Change IP address and subnet mask
    • Change the default gateway
    • Change DNS server
    5. Change Saved Network Configuration
    • Manual network interface configuration
    • Edit system hosts file
    • Configure networking using Network Manager
    • Configure networking using the GUI
    6. Secure Shell Overview
    • SSH overview
    • Installing SSH client and server
    • Connecting to SSH from Windows
    • Connecting to SSH from macOS and Linux
    • Connecting to SSH from Android
    • Connecting to SSH from iOS
    7. Configure SSH
    • Configure SSH clients
    • Configure SSH servers
    • SSH per user client files
    8. SSH Security
    • Passwordless logins using SSH
    • Restricting root logins with SSH
    • Restricting SSH logins by user and network
    9. SSH Tips and Tricks
    • Execute commands remotely using SSH
    • Copy files across the network over SSH
    • Optimize SSH for speed
    Conclusion
    • Next steps