Linux for Network Engineers – Learn Linux Practically with GNS3! – David Bombal

It is important for you as a network engineer to learn Linux!

Why? There are many reasons including:

1) A lot of network operating systems are based on Linux, or have a Linux shell you can access, or use Linux type commands. I'll show you an example using Cisco, Arista and Cumulus Linux.

2) Network Automation tools such as Ansible don't run the command node on Windows. You are probably going to use Linux with tools such as Ansible, Netmkio, NAPALM and other network automation tools.

3) SDN controllers such as OpenDaylight, ONOS, RYU and APIC-EM run on Linux.You will find that many SDN tools require Linux.

4) DevOps tools such as git work best with Linux.

5) IoT devices typically run Linux

6) A new breed of network devices from companies like Facebook, Microsoft and Cumulus Linux use Linux.

There are even more reasons, but make sure you don't get left behind! You as a network engineer start learning Linux.

This course teaches foundational Linux knowledge without assuming that you have any Linux experience. Learn practically with GNS3!

Learn how to configure Linux networking, how to create users and assign permissions, how to install and run Linux services such as DNS and DHCP.

The course uses various GNS3 topologies with devices such as:

1) Linux Docker containers

2) Linux GNS3 QEMU virtual machines

3) Traditional Linux virtual mahcines

4) Network devices – you could use Cisco, Arista, Cumulus Linux or others

Do you want to see something else added to the course? Just let me know. I like to get your feedback on ways I can improve the course and add more content that you think is relevant.

GNS3 Academy Curriculum

Welcome

• Welcome to the course! (7:26)
• Answering your questions (1:53)

Course layout

• Need to build your own GNS3 topology?

Why should you learn Linux?

• NOS Linux shells – Cisco, Arista, Cumulus Linux (5:07)
• Linux Network Operating systems: Cisco, Arista and more (5:15)
• Cisco IOS Linux commands (Part 1) (7:03)
• Cisco IOS Linux commands (Part 2) (6:05)
• It's just a CLI (1:57)
• Rise of the machines (4:33)

GNS3 Linux Networks Part 1

• DHCP Server (3:45)
• DHCP Client (5:06)
• NAT and Internet testing (1:52)
• Static Linux Docker Container PC (3:51)
• Network Testing: DHCP, Static, DNS, Internet (2:20)
• Ubuntu Desktop QEMU VM (5:51)
• Ubuntu Server Download and VMware import (3:24)
• Ubuntu Server installation (6:44)
• Integrate Ubuntu Server Virtual Machine with GNS3 (3:42)
• Ubuntu Server: Manual IP address configuration and testing (5:48)
• Theory or Labs

Linux Fundamentals: Which Linux distro?

• Which Linux distro should you learn? (2:15)
• Red Hat, CentOS and Fedora (3:38)
• Debian, Ubuntu, Mint (4:23)

Linux Fundamentals: Text Editors

• Why Text Editors? (8:07)
• nano and vi introduction (4:10)
• vi shortcuts and why learn vi? (3:35)
• nano overview and shortcuts (3:34)
• Interactive VIM Tutorial

Linux Fundamentals

• Root = power (6:43)
• Linux Prompt Basics (3:15)
• Get Help! And Version determination (4:41)
• Fix GNS3 issue (5:18)
• ifconfig deprecated (2:27)

Linux Fundamentals: File Systems

• File Systems (4:45)
• tree and directories (9:44)
• Linux Directory Hierarchy Part 1 (6:05)
• Linux Directory Hierarchy Part 2 (4:17)
• Linux Directory Hierarchy Part 3 (1:05)

Linux Fundamentals: Files, tools, owners, permissions

• ls. help, man, grep, more and less (6:31)
• Abbreviated and long arguments, owners, groups and permissions (5:21)
• Owners, groups and basic permission example (2:12)
• Linux is about choice: cat. less, more (4:50)

Linux Fundamentals: Copy, move, delete

• Copy, move and delete part 1 (6:31)
• Copy, move and delete Part 2 (5:03)
• Never do this! (1:21)

Linux Fundamentals: Users, Groups, Passwords

• Introduction (1:06)
• Why? (3:51)
• Shells, Home Directories, Groups (3:22)
• bash, home directories and permissions (5:15)
• Add users (3:12)
• Modify users (2:17)
• Groups (5:39)
• Passwords (3:16)
• Password Settings (4:13)

Linux Fundamentals: Permissions

• Linux Permissions Part 1: Introduction (6:18)
• Permissions Part 2 (3:44)
• Permissions Part 3 (5:55)
• Permissions Part 4: Absolute Permissions (2:24)
• Permissions Part 5: Relative Permissions (4:21)

Linux Fundamentals Processes

• Linux Processes Part 1 (4:29)
• Linux Processes Part 2 (2:37)

Linux Fundamentals: Software instalaltion

• Software Install Part 1 (3:24)
• Software Install Part 2 (2:32)

Put Linux to Work: TFTP Server

• Use Linux practically (1:01)
• Find and install a TFTP server (4:32)
• Configure and test TFTP (7:05)

Put Linux to Work: DNS Server

• Dnsmasq introduction (0:46)
• Dnsmasq install and configuration (5:13)
• Testing and Wireshark captures (5:08)
• Cisco Router using dnsmasq DNS server (3:45)

Put Linux to Work: DHCP Server

• Configure and test Linux DHCP server (6:50)
• Test network with extra host (1:41)
• View address leases (1:19)

Put Linux to Work: Linux Switch

• Replace GNS3 switch with a Linux switch (4:58)

Additional Content

• Free access: Cumulus Linux Course
• Additional content

GNS3, Docker, Open vSwitch, SDN, OpenDaylight and OpenFlow

• SDN Linux networks
• Docker, Open vSwitch, SDN and OpenFlow Part 1 (7:33)
• Docker, Open vSwitch, SDN and OpenFlow Part 2 (10:21)
• Docker, Open vSwitch, SDN and OpenFlow Part 3 (15:31)
• Docker, Open vSwitch, SDN and OpenFlow Part 4 (11:28)
• Docker, Open vSwitch, SDN and OpenFlow Part 5 (7:58)
• Docker, Open vSwitch, SDN and OpenFlow Part 6 (7:04)
• Docker, Open vSwitch, SDN and OpenFlow Part 7 (3:41)
• SDN Part 1: Ubuntu Docker Container, OpenDaylight, Python (3:32)
• SDN Part 2: Ubuntu Docker Container, OpenDaylight, Python (5:49)
• SDN Part 3: Ubuntu Docker Container, OpenDaylight, Python (6:57)
• SDN Part 4: Ubuntu Docker Container, OpenDaylight, Python (6:59)
• GNS3 Talks: Create a Docker based network using OVS and Linux Containers (6:40)
• OpenFlow captures using Wireshark, Docker containers, OpenDaylight (9:18)
• OpenFlow FLOW MOD, PACKET IN, PACKET OUT & more captures using Wireshark (9:16)

GNS3 Setup

• GNS3 2.1 Install Part 1: Components and software requirements (3:32)
• GNS3 2.1 Install Part 2: GUI install (11:47)
• GNS3 2.1 Install Part 3: Troubleshooting GNS3 installation issues Windows 10 (4:37)
• GNS3 2.1 Install Part 4: Basic GNS3 Network (your first network) (9:50)
• GNS3 2.1 Install Part 5: Where do I get Cisco IOS images? (7:55)
• GNS3 2.1 Install Part 6: Cisco IOS network using Dynamips (12:13)
• GNS3 2.1 Install Part 7: GNS3 VM, VIRL and switching (8:29)
• GNS3 2.1 Install Part 8: GNS3 VM, VMware 14 issues (11:55)
• GNS3 2.1 Install Part 9: Cisco VIRL IOSv import into GNS3 (11:23)
• GNS3 2.1 Install Part 10: Cisco VIRL and Dynamips network! (7:47)
• Network Automation Container Part 1 (6:10)
• Network Automation Container Part 2 (8:34)
• Ubuntu Docker Container Part 1 (3:32)
• Ubuntu Docker Container Part 2 (5:49)
• Ubuntu Docker Container not getting DHCP IP address troubleshooting (Part 1 ) (3:42)
• Ubuntu Docker Container not getting DHCP IP address troubleshooting (Part 2) (4:44)
• Nexus 9K import and configuration (Part 1) (6:44)
• Nexus 9K import and configuration (Part 2) (5:08)
• Cumulus Linux import and configuration (Part 1) (11:41)
• Cumulus Linux import and configuration (Part 2) (10:43)
• Cumulus Linux Import and Configuration (Part 3) (8:35)
• Arista import and configuration (Part 1) (7:46)
• Arista import and configuration (Part 2) (10:41)
• Ubuntu Desktop Qemu VM appliance (11:51)
• GNS3 NAT Node (9:08)

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