TN-215: Shell Programming

Course Overview:

This intensive hands-on class teaches students to develop customized UNIX™ commands, read & write Bourne, Korn & Bash Shell scripts & automate critical server functions. The course includes extensive lab exercises, including hands-on development & debugging of shell scripts, which will give students the ability to be more efficient and productive in less time. The focus of the course will be the Bash shell.

Attendees to TN-215: Shell Programming will receive TechNow approved course materials and expert instruction.

Dates/Locations:

Date/Time	Event
03/23/2026 - 03/27/2026 08:00 -16:00	TN-215: Shell Programming TechNow, Inc, San Antonio TX
06/22/2026 - 06/26/2026 08:00 -16:00	TN-215: Shell Programming TechNow, Inc, San Antonio TX
09/14/2026 - 09/18/2026 08:00 -16:00	TN-215: Shell Programming TechNow, Inc, San Antonio TX

Duration: 5 days

Course Objectives:

Shell Review
Shell Interpretation of Quotes & Backslash
The Bash Shell
Shell’s combined with UNIX utilities
Programming Basics
Data Constructs
Programming Looping
Your Environment
More on Parameters
Advanced Shell Programming

Prerequisites:

TN-125 Introduction to UNIX & Linux or equivalent knowledge

Comments

Latest comments from students

User: hnzarate

Instructor comments: Very knowledgeable.

Facilities comments: This hotel needs better water.

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Linux

Here are our Linux course offerings:

RH-245: Linux System Administration I

Course Overview:

The System Administration I for Red Hat course is designed for IT professionals working to become full-time enterprise Linux system administrators. This course gives the student direct experience with the most essential system administration tasks in the Red Hat. You will be instructed in crucial system management skills including: configuring network interfaces, client set up of network protocols, managing local disk devices, installation, package management, performing system boot procedures, grub and controlling system processes.

Attendees to RH-245: Linux System Administration I will receive TechNow approved course materials and expert instruction.

Dates/Locations:

Date/Time	Event
03/02/2026 - 03/06/2026 08:00 -16:00	RH-245: Linux System Administration I TechNow, Inc, San Antonio TX
06/01/2026 - 06/05/2026 08:00 -16:00	RH-245: Linux System Administration I TechNow, Inc, San Antonio TX
09/14/2026 - 09/18/2026 08:00 -16:00	RH-245: Linux System Administration I TechNow, Inc, San Antonio TX

Duration: 5 days

Course Objectives:

Installation
Manage File Systems and Local Disk Drives
Perform Mounts and Unmounts
Perform System Boot Procedures
Tuning and Maintaining the Kernel
Control System Processes
Perform User Administration
Installing and Managing Services
Perform Package Administration
Client Setup of SSH and Printing

Prerequisites:

TN-125: Introduction to UNIX and Linux

Comments

Latest comments from students

User: mlspence

Instructor comments: Bill was awesome! He did a fantastic job teaching the course mater to everyone in the class. He made sure everyone was able to keep up and that they understood the material before moving on. Thanks!

Facilities comments: They were great as well

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N-455: Securing Networks with ASA Fundamentals (SNAF)

Course Overview:

In this course, you will gain the knowledge and skills needed to configure, maintain, and operate Cisco ASA 5500 Series Adaptive Security Appliance.

Attendees to N-455: Securing Networks with ASA Fundamentals (SNAF) will receive TechNow approved course materials and expert instruction.

Dates/Locations:

No Events

Duration: 5 Days

Course Objectives:

Introducing Cisco Security Appliance Technology and Features
Cisco Adaptive Security Appliance and PIX Security Appliance Families
Getting Started with Cisco Security Appliances
Essential Security Appliance Configuration
Configuring Translations and Connection Limits
Using ACLS and Content Filtering
Configuring Object Grouping
Switching and Routing on Security Appliances
Configuring AAA for Cut-Through Proxy
Configuring the Cisco Modular Policy Framework
Configuring Advanced Protocol Handling
Configuring Threat Detection
Configuring Site-to-Site VPNS Using PreShared Keys
Configuring Security Appliance Remote Access VPNs
Configuring Cisco Security Appliance for SSL VPN
Configuring Transparent Firewalls Mode
Configuring Security Contexts
Configuring Failover
Managing Security Appliances

Prerequisites:

CCNA certification

Comments

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L-245: Linux System Administration I

Course Overview:

In this course students will learn to install the Linux™ operating system, to administer users and software, to use vi, basic Linux security, process control, file system maintenance, backup and recovery, including some basic networking concepts. This course insures that students have the skills to configure all desktop and client side related activity.

Attendees to L-245: Linux System Administration I will receive TechNow approved course materials and expert instruction.

Dates/Locations:

No Events

Duration: 5 days

Course Objectives:

Linux operating system installation
Hardware Issues
LILO & GRUB Configuration
Managing the Linux file system
Boot Process
Customization of setup files
System Startup
Run Levels
Network Services
User Management
Changing Passwords
Monitoring, accessing & restricting root system access
Administration Tools
Disk Management
Quotas
Process Control
Installing & removing software & patches
Network Configuration
Client side components of NFS, Samba, NTP, NIS
Printing
Backup and Recovery
Using utilities for process control, locating files & automating maintenance tasks

Prerequisites:

Students should have an understanding of all basic UNIX commands as well as variable substitution, wild card expansion, command pipes, permissions, the grep and find commands.
These prerequisites can be met through completion of TN-125: Introduction to UNIX & Linux and six month’s experience with Linux.