Host build and harden
Install, configure and harden a Linux host to a supplied baseline, then document it.
Linux for Network Engineers
The operating system underneath the network: shell, networking stack, services, permissions and the diagnostics every infrastructure role assumes.
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- Section
- Systems
- Trained
- 3,000+
Course overview
Linux for Network Engineers is a foundation-level course from Tungabadra Networks. It covers 4 modules, is delivered classroom, online (live), corporate (on-site), and includes 3 applied projects. It is applied rather than exam-aligned.
Linux for Network Engineers covers the systems knowledge that network, security, cloud and automation roles all quietly assume. It is taught from the command line, not a GUI.
The emphasis is on the parts a network engineer actually reaches for: the networking stack, name resolution, routing on a host, services and logs, and the diagnostic commands that answer 'why can this box not reach that one'.
It is a prerequisite in practice for the automation and cloud courses, and it is where most engineers close their biggest knowledge gap.
Who this course is for
- Network engineers with little Linux exposure
- Engineers preparing for automation or cloud courses
- Support staff moving into infrastructure roles
- Anyone who has to diagnose a Linux host on a network
What you will be able to do
By the end of Linux for Network Engineers, you will be able to:
- Navigate and manage a Linux filesystem confidently from the shell
- Configure interfaces, routes and name resolution on a host
- Manage users, permissions and sudo policy correctly
- Manage services and boot behaviour with systemd
- Read logs and diagnose a failing service methodically
- Write shell scripts that automate routine work safely
Skills covered
- Bash
- File permissions
- systemd
- ip / ss / dig
- Name resolution
- SSH and keys
- firewalld / iptables
- Log analysis
- Cron and timers
- Shell scripting
Curriculum
4 modules of instruction and lab work.
Linux Essentials
5 topics
- Architecture and distributions
- CLI basics and the filesystem hierarchy
- File and directory permissions
- Bash basics
- Lab: navigating Linux
Command-Line Operations
5 topics
- sudo and privilege
- Package management
- Processes and monitoring
- grep, awk and sed
- Reading and rotating logs
Linux Networking
6 topics
- ip, netstat and ss
- tcpdump
- iptables
- DNS and DHCP on Linux
- ping and traceroute from the host
- Lab: network troubleshooting
Scripting, Server Management & Security
6 topics
- Bash scripting
- cron scheduling
- SSH configuration and key-based access
- Log parsing
- Driving Python from the shell
- Lab: securing a Linux server
Projects you will complete
Service recovery drill
Diagnose and restore a deliberately broken service using logs and systemd, with a written root-cause note.
Provisioning script
Write an idempotent shell script that provisions a host to your baseline and can be re-run safely.
Prerequisites
- Basic computer literacy
- No prior Linux experience required
Certification
Course completion certificate
Issued on completion. The certificate lists the modules completed and the skills applied. No third-party exam. The course is a practical prerequisite for the automation and cloud tracks.
Career opportunities
Roles this course is designed to prepare you for in the US job market:
Network Engineer
Diagnoses host-side problems without escalating.
Infrastructure Engineer
Runs the servers alongside the network.
NOC Engineer
Triages across both network and host layers.
Automation Engineer
Linux is where the automation runs.
Frequently asked questions
Which distribution is used?
Labs use both a Red Hat family and a Debian family distribution, because enterprises run both and the package and service differences matter in practice.
Do I need my own server?
No. Labs run in virtual machines, with lab access available around the clock.
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The bridge from CLI to code: Python, Linux, REST APIs and the automation tooling that modern network roles increasingly assume.
$655
Cloud fundamentals with a networking lens: VPC, subnets, routing, security groups and how a cloud network differs from a campus one.
$65
Questions about Linux for Network Engineers?
Tell us your background and we will confirm whether this course is the right level, or point you to a better starting point.