Script Debugger and Session Log Session Debug Debugging Applications Debugging Business Rules Debugging Classifications Field Watcher Writing to the Debug Log JavaScript Debug Window JS Code Coverage Debug

Using Flow Designer Objectives About This Learning Module Exercise : Fork Repository and Import Application for the Using Flow Designer Module Exercise : Create a Branch for the Using Flow Designer Module Introduction to Flow Designer What is a Flow? Flow Designer User Interface Opening Flows Exercise : View a Flow Deleting Flows Creating Flows Flow Structure and Triggers Flow Tab Anatomy Triggering Flows Record Triggers Date Triggers Application Triggers Adding Actions to a Flow Saving Flows Flow Design and Testing Using Flow Variables Using Error Handler Exercise : Create a Flow Testing Flows Viewing Flow Execution Details Activating Flows Running Flows with Alternate Permissions Exercise : Test a Flow Exercise : Activate a Flow Approval Actions in Flow Designer Configuring the Ask for Approval Action Exercise : Add Approval Flow Logic Adding If Branches Adding For Each Branches Adding Do the Following Until Branches Adding Do the Following in Parallel Branches Adding Non-Branching Flow Logic Exercise : Add Flow Logic Exercise : Save Your Using Flow Designer Work (Optional) Review and Knowledge Check Test Your Using Flow Designer Knowledge Flow Designer Recap

Advanced Service Now Scripting

Teacher

Pradnya Mane

Free

WhatsApp Image 2025-05-09 at 6.05.32 PM (3)

The Syllabus

Curriculum Designed by Experts

Introduction to Advance SNOW Scripting Objectives

Introduction to Advance Scripting Objectives

About This Learning Module
Introduction to ServiceNow Scripting
ServiceNow APIs
ServiceNow Script Editor
Background Scripts
Fix Scripts
Script Actions
System Properties

Client-Side Scripting

Client-Side Scripting Objectives

About This Learning Module
Introduction to Client-side Scripting
The GlideForm (g_form) Class
The GlideUser (g_user) Class
UI Scripts
UI Actions
Mobile Client GlideForm (g_form) Scripting and Migration
AJAX
Catalog Client Scripts

Client-Side Scripting Design and Processing

Client Scripts: Enhance user experience by reducing form completion time.
Form Load: Ensure proper client-side processing by loading forms first.
Field Control: Use methods like disabling list editing, business rules, and data policies to manage field values.
Minimize Server Lookups: Utilize g_scratchpad for efficient data transfer from server to client, avoiding performance-heavy methods like GlideRecord.
Asynchronous GlideAjax: Dynamically request server data to improve performance.
Use setValue() Correctly: Include the display value to prevent unnecessary server calls.
Prefer UI Policies: They offer better control and do not require scripting.
Input Validation: Use client scripts to validate user input before submission.
Script Order: Control execution order to prevent conflicts.
Avoid DOM Manipulation: Use GlideForm API for maintainability.
Global Client Scripts: Limit their use to avoid performance issues.
Encapsulate Code: Wrap code in functions to manage variable scope.
Run Necessary Scripts: Optimize scripts to execute only when needed, using flags like isLoading and newValue checks.

Server-Side Scripting

Glide Server APIs
Classic Business Rules
Script Includes
Processors
Scripts – Background Module
Installation Settings
Using DurationCalculator: Calculate a due date.
Querying Tables in Script

Server-Side Scripting Processes

Running Order Guides Automatically
Scriptable Assignment of Execution Plans
Using Regular Expressions in Server-Side Scripts
Scriptable Service Catalog Variables
Setting a GlideRecord Variable to Null
Schedule Pages
XMLDocument Script Object
Background Script Module

UI Pages and Macros

UI Pages
UI Macros

Debugging Scripts

Script Debugger and Session Log
Session Debug
Debugging Applications
Debugging Business Rules
Debugging Classifications
Field Watcher
Writing to the Debug Log
JavaScript Debug Window
JS Code Coverage Debug

Scheduled Script Executions and Events

What is a Scheduled Script Execution?
Creating a Scheduled Script Execution
Scheduled Script Execution Scripts
What is on the Schedule?
What are Events?
Event Registry
Generating Events
Checking for Events
Responding to Events
Using Custom Queues – Advanced Topic

Debugging Scripts (Continued)

Script Debugger and Session Log
Session Debug
Debugging Applications
Debugging Business Rules
Debugging Classifications
Field Watcher
Writing to the Debug Log
JavaScript Debug Window
JS Code Coverage Debug
Client-Side Scripting Best Practices
Server Side Scripting Best Practices

Using Flow Designer

Using Flow Designer Objectives

About This Learning Module
Exercise: Fork Repository and Import Application for the Using Flow Designer Module
Exercise: Create a Branch for the Using Flow Designer Module

Introduction to Flow Designer

What is a Flow?
Flow Designer User Interface
Opening Flows
Exercise: View a Flow
Deleting Flows
Creating Flows

Flow Structure and Triggers

Flow Tab Anatomy
Triggering Flows
- Record Triggers
- Date Triggers
- Application Triggers
Adding Actions to a Flow
Saving Flows

Flow Design and Testing

Using Flow Variables
Using Error Handler
Exercise: Create a Flow
Testing Flows
Viewing Flow Execution Details
Activating Flows
Running Flows with Alternate Permissions
Exercise: Test a Flow
Exercise: Activate a Flow

Approval Actions in Flow Designer

Configuring the Ask for Approval Action
Exercise: Add Approval

Flow Logic

Adding If Branches
Adding For Each Branches
Adding Do the Following Until Branches
Adding Do the Following in Parallel Branches
Adding Non-Branching Flow Logic
Exercise: Add Flow Logic
Exercise: Save Your Using Flow Designer Work (Optional)

Review and Knowledge Check

Test Your Using Flow Designer Knowledge
Flow Designer Recap

Developing for Flow Designer

Developing for Flow Designer Objectives

About This Learning Module
Exercise: Fork Repository and Import Application for the Developing for Flow Designer Module
Exercise: Create a Branch for the Developing for Flow Designer Module

Creating and Configuring Actions

Working with Spokes
Action Anatomy
Creating Actions
- Adding Steps
- Configuring Script Steps
- Testing Actions
- Exercise: Create an Action
- Adding Action Inputs
- Adding Action Outputs
- Publishing Actions
- Exercise: Add Action Inputs and Outputs

Working with Subflows

What is a Subflow?
Subflows Versus Actions
Creating Subflows
- Adding Subflow Inputs
- Adding Subflow Outputs
- Assigning Subflow Outputs
- Testing Subflows
- Publishing Subflows
- Using Subflows
- Exercise: Create and Test a Subflow
- Exercise: Use a Subflow

Advanced Flow Scripting

Challenge: Create Scheduled Flow to Update Overdue NeedIt Tasks
Scripting with Flows, Subflows, and Actions
Exercise: Create and Use Code Snippets
Exercise: Save Your Developing for Flow Designer Work (Optional)

Review and Knowledge Check

Test Your Developing for Flow Designer Knowledge
Developing for Flow Designer Recap

Notifications in Flow Designer

Notifications in Flow Designer Objectives

About This Learning Module
Exercise: Fork Repository and Import Application for the Notifications in Flow Designer Module
Exercise: Create a Branch for Notifications in Flow Designer

Notifying Users from a Flow

Outbound Communication Actions
Exercise: Get a Temporary Email Address
Exercise: Send a Notification

Outbound and Inbound Email Configuration

Outbound Email Configuration
- Exercise: Outbound Email Configuration
- Exercise: Receive an Email
Inbound Email and Flows
- Parsing Inbound Email Details for a Flow
- Identifying the Sender
- Creating Inbound Email Flows
- Exercise: Inbound Email Configuration
- Exercise: Create Inbound Email Flow

Review and Save

Exercise: Save Your Notifications in Flow Designer Work (Optional)
Notifications in Flow Designer Module Recap

Introduction to JavaScript

JavaScript Syntax Editor

JavaScript syntax editor
Syntax editor plugin
Context menu in the syntax editor
Script syntax error checking
Searching for errors by line

JavaScript on the Platform

JavaScript engine on the platform
JavaScript modes
JavaScript engine feature support
JavaScript API Context-sensitive help

JavaScript Functions and Arrays

Functions
try/catch/finally statements
ServiceNow GlideRecord
Introduction to arrays
- Array forEach
- Common array methods
- ServiceNow ArrayUtil
Functions and arrays
Functions with multiple parameters

JavaScript Objects and Advanced Topics

Introduction to objects
Checking if an object has a property
Finding all properties in an object
Arrays of Objects
JSON Stringify and Parse
More string methods
Recursion
Classes

Advanced JavaScript Concepts

Passing objects to functions
Class Inheritance
Scripted REST APIs
- Exercise: Build a scripted REST API
- Build a script include
- Helpful resources

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Advanced JavaScript Basics

Section 2 Introduction
The for…in loop
- Exercise: The for…in loop
Understanding “this”
- Exercise: Understanding “this”
More on scope
Lesson 4 – Hoisting
- Exercise: Hoisting

JavaScript for ServiceNow

Date and Time
- Exercise: Date and Time
Regular Expressions (RegEx)
- Exercise: Regular Expressions (RegEx)
The practice of Namespacing
- Exercise: The practice of Namespacing
GlideSystem (more than just gs.info)
GlideAggregate
- Exercise: GlideAggregate

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GlideDateTime
GlideUser
GlideAjax
GlideForm (g_form)
- Exercise: GlideForm (g_form)
GlideQuery
- Exercise: GlideQuery

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String Enhancements

Template literals
String padding
New string methods
- startsWith(), endsWith(), trimStart(), and trimEnd()
- Additional string methods: matchAll(), includes()

Function Enhancements

Arrow functions
Default Parameters
Rest and Spread Operators
Name property for functions
Trailing commas in function syntax

Object Enhancements

Object Literal Enhancements
Classes (Advanced)
Symbols
Optional chaining
New methods for objects:
- Object.entries(), Object.values(), Object.fromEntries(), Object.getOwnPropertyDescriptors()

Array Enhancements

The for..of Loop
Maps and Sets
Utility functions for arrays
- .from(), .of()
New methods for arrays:
- flatMap(), flat()

Service Portal Introduction

Introduction Objectives

About This Learning Module
What is a Portal?
Portal Anatomy
Exercise: Explore a Portal

Service Portal Framework

Create a Portal
- Exercise: Create a Portal
Portal Pages
- Create a Page
- Page Layout
- Configure Container Properties
- Exercise: Create a Page

Widgets in Service Portal

Add Widgets to a Page
Widget Options
- Exercise: Add Widgets and Set Options
- Exercise: Set Options for the Icon Link Widgets
- Exercise: Set Options for the Simple List Widget
- Exercise: Cool Clock and the Other Widgets
- Exercise: Set Portal Homepage

Responsive Page Design

Fixed vs. Fluid Containers
Showing and Hiding Containers
- Exercise: Hiding and Showing Containers

Page Editor and Roles

Page Editor
- Exercise: Add a Role to a Widget

Branding a Service Portal

Exercise: Change Portal Branding
Challenge: Create a 404 Page

Creating Custom Widgets

Custom Widget Objectives

About This Learning Module
What Are Widgets?
Widget Components
Widget Editor
- Cloning Widgets
- Previewing Widgets
- Exercise: Widget Editor Basics

Working with Widget Scripts and Global Objects

Widget Global Objects and Functions
- Exercise: My Hello World Widget Scripts
- Exercise: Fork Repository and Import Application for the Creating Custom Widgets Module
- Exercise: Create a Branch for Creating Custom Widgets

Studio and Service Portal Integration

Exercise: Explore the CreateNotes Application
Exercise: Create Two Widgets

Using the Widget API

Debugging Widgets
- Exercise: Populate the Notes List Widget
Using AngularJS Events with Widgets
- Exercise: Emit and Respond to Events
- Exercise: Update Notes
Using the Client-side Widget API
- Exercise: Confirm Delete Modal

Widget Options and Schema

What are Widget Options?
Widget Option Schema
- Exercise: Create Widget Option Schema

Advanced Angular Directives

Directives
- Angular Provider Relationship
- Exercise: Create a Directive

Real-time Data with recordWatch

recordWatch()
- Exercise: Use Record Watch to Detect Notes Record Changes
- Exercise: Save Your Creating Custom Widgets Work (Optional)

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Mock test interview preparation
Migration strategy
Server Hardening
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Covers each topics with Real Time Examples . Covers More than 250+ Real Time Scenarios which is divided into L1 ( Basic ) + L2 ( Intermediate) and L3 ( Advanced ) . Trainer from Real Time Industry .This is completely hands-on training , which covers 90% Practical And 10% Theory

We give Combo Pack of RHEL 6 with RHEL 7 , to make sure all the candidate will get at least 5+ Year experience knowledge in Redhat Linux after attending this course.Covers SA1 + SA2 + SA3 topics in Details from the very basic to advanced level .

Complete RHCSA and RHCE Exam Preparations.Appear for Redhat Global Certification Exam At any time After the course – No need to wait to get schedule from Redhat .At your convenient time , you can book and appear for exam using our Individual Exam Delivery System called KOALA

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Red Hat Linux Course Projects

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And Configuration Management

Implementing automated infrastructure provisioning and configuration management using Ansible. This may include setting up servers, networking devices, and other infrastructure components using playbooks and roles.

Applications Deployment

And Orchestration

Automating the deployment and orchestration of applications across development, testing, and production environments. This could involve deploying web servers, databases. middleware, and other application components using Ansible

Continuous Integration

And Continuous Deployment

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Red Hat Linux FAQs

What is the Redhat Linux Course offered at Radical Technologies in Bangalore?

The Redhat Linux Course at Radical Technologies in Bangalore is a comprehensive program that covers all essential aspects of Linux RHEL 8, from basic to advanced levels, preparing students for the industry-recognized Linux RHEL 8 Certification.

What topics are covered in the Linux RHEL 8 Course in Bangalore?

The Linux RHEL 8 Course in Bangalore covers system administration, networking, security, shell scripting, and more, ensuring students gain practical and theoretical knowledge necessary for the Linux RHEL 8 Certification.

How can I enroll in the Linux RHEL 8 Training in Bangalore?

You can enroll in the Linux RHEL 8 Training in Bangalore by visiting the Radical Technologies website, contacting our admissions team, or visiting our institute in person.

Is the Linux RHEL 8 Certification in Bangalore recognized globally?

Yes, the Linux RHEL 8 Certification in Bangalore from Radical Technologies is recognized globally, making it a valuable addition to your professional credentials.

Are the Linux RHEL 8 Classes in Bangalore suitable for beginners?

Yes, the Linux RHEL 8 Classes in Bangalore at Radical Technologies are designed for both beginners and experienced professionals, ensuring everyone can benefit from the training.

What is the duration of the Linux RHEL 8 Course in Bangalore?

The duration of the Linux RHEL 8 Course in Bangalore varies depending on the chosen program, typically ranging from a few weeks to a few months.

Does Radical Technologies offer Red Hat Linux Online Training?

Yes, Radical Technologies offers Red Hat Linux Online Training, allowing students to learn from anywhere and at their own pace.

What are the prerequisites for the Linux RHEL 8 Training in Bangalore?

There are no strict prerequisites for the Linux RHEL 8 Training in Bangalore, but basic knowledge of computer systems and networking can be beneficial.

What is the cost of the Redhat Linux Course in Bangalore?

The cost of the Redhat Linux Course in Bangalore varies depending on the specific program and duration. Please contact Radical Technologies for detailed pricing information.

Does Radical Technologies provide placement assistance after completing the Linux RHEL 8 Certification in Bangalore?

Yes, Radical Technologies provides placement assistance to students who complete the Linux RHEL 8 Certification in Bangalore, helping them secure jobs in the IT industry.

What is the format of the Linux RHEL 8 Classes in Bangalore?

The Linux RHEL 8 Classes in Bangalore include a mix of lectures, hands-on labs, and real-world projects to ensure comprehensive learning.

Can I get RHCSA Training in Bangalore at Radical Technologies?

Yes, Radical Technologies offers RHCSA Training in Bangalore as part of its comprehensive Linux RHEL 8 Course, preparing students for the RHCSA certification exam.

What resources are available for students during the Linux RHEL 8 Training in Bangalore?

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Red Hat Linux Interview Questions

Can you explain the process of troubleshooting a server that is not booting up on Red Hat Linux? What steps would you take to identify and resolve the issue?
How do you manage and configure SELinux in a Red Hat environment? Can you provide an example of a situation where you had to modify SELinux policies to enable a service?
Describe the process of patch management in Red Hat Linux. How do you ensure that your systems are up to date and secure without causing disruptions to services?
What are the key differences between ext4 and XFS file systems in Red Hat Linux? In what scenarios would you choose one over the other?
How do you set up and manage logical volume management (LVM) in Red Hat Linux? Can you walk us through the process of extending a logical volume without downtime?

How do you automate repetitive tasks in Red Hat Linux? Can you provide examples of scripts or tools you have used to streamline system administration tasks?
Can you describe a scenario where you had to configure a high-availability cluster using Red Hat Cluster Suite? What challenges did you face, and how did you overcome them?
How do you secure a Red Hat Linux server? Discuss the various security measures and best practices you follow, including firewall configuration and user management.
Explain the process of creating and managing network bonds in Red Hat Linux. What are the advantages of using network bonding, and how do you troubleshoot bonding issues?
Explain the role of systemd in Red Hat Linux. How do you troubleshoot and manage services using systemd?

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About Red Hat Linux Certification

Red Hat Linux Certification is a prestigious credential recognized globally for its emphasis on practical skills and knowledge in Linux system administration and related technologies. This certification validates an individual’s proficiency in managing and troubleshooting Red Hat Enterprise Linux (RHEL) environments, making it a valuable asset for IT professionals aiming to excel in the open-source ecosystem.

Why Red Hat Linux Certification?

Industry Recognition: Red Hat certifications are highly respected in the IT industry. Employers worldwide recognize the rigorous standards of Red Hat’s certification exams, which ensures that certified professionals have the skills needed to handle real-world challenges in Linux system administration.
Practical Skills Focus: Unlike many other certifications that rely heavily on theoretical knowledge, Red Hat’s exams are performance-based. This means candidates must demonstrate their abilities in practical scenarios, ensuring they are well-prepared for the demands of the workplace.
Career Advancement: Holding a Red Hat certification can significantly enhance your career prospects. Certified professionals are often considered for higher-level positions and have better earning potential. It opens doors to roles such as system administrator, DevOps engineer, and cloud administrator.

Key Red Hat Certifications

Red Hat Certified System Administrator (RHCSA): This is the entry-level certification that covers essential system administration tasks needed to manage RHEL environments. It includes managing users and groups, working with files and directories, and basic networking configurations.
Red Hat Certified Engineer (RHCE): Building on the RHCSA, the RHCE certification focuses on more advanced administration tasks. This includes automating tasks using scripting, managing network services, and securing systems.
Red Hat Certified Architect (RHCA): This is the highest level of certification, designed for senior-level professionals. The RHCA encompasses a range of specialized skills, including cloud management, containerization, and enterprise automation, offering a comprehensive mastery over Red Hat technologies.

Preparation for Red Hat Certification

Official Training Courses: Radical Technologies offers Red Hat Linux courses that align with certification exams. These courses are designed to provide hands-on experience and are taught by certified instructors who are experts in the field.
Practice Labs: Utilizing practice labs and virtual environments can significantly enhance your learning experience. These labs allow you to experiment with different configurations and troubleshoot issues in a safe, controlled setting.
Study Resources: Numerous study guides, books, and online resources are available to help candidates prepare for the exams. Red Hat’s own documentation and tutorials are excellent resources to deepen your understanding of RHEL systems.

Benefits of Red Hat Certification

Validation of Expertise: Achieving Red Hat certification is a clear indicator of your expertise and commitment to excellence in Linux system administration. It sets you apart from your peers and demonstrates your ability to manage complex IT environments.
Access to Red Hat’s Knowledge Base: Certified professionals gain access to Red Hat’s extensive knowledge base and resources. This includes technical content, product documentation, and access to Red Hat’s support community.
Professional Network: Being part of the Red Hat certified community allows you to connect with other professionals and experts in the field. This network can provide valuable support, insights, and opportunities for collaboration.

Applications of Red Hat Linux

Red Hat Linux, particularly Red Hat Enterprise Linux (RHEL), is renowned for its stability, security, and performance in enterprise environments. Its versatility allows it to be used in various applications across different industries. Here are some of the key applications of Red Hat Linux:

1.Server Operating System

Web Servers: RHEL is commonly used to host web servers, including Apache and Nginx, due to its robust performance and security features.
Database Servers: It is widely used to run database management systems like MySQL, PostgreSQL, and Oracle, providing a reliable platform for data storage and management.
Application Servers: RHEL supports various application servers, including JBoss, Tomcat, and WildFly, making it ideal for deploying enterprise applications.

2. Cloud Computing

Private Clouds: RHEL is a popular choice for building private cloud environments using platforms like OpenStack and Red Hat Virtualization.
Public Clouds: It is available on major public cloud providers like AWS, Microsoft Azure, and Google Cloud, offering scalability and flexibility for cloud-based applications.
Hybrid Clouds: RHEL enables seamless integration between on-premises infrastructure and cloud environments, supporting hybrid cloud strategies.

3. Virtualization

KVM (Kernel-based Virtual Machine): RHEL includes KVM for virtualization, allowing multiple virtual machines to run on a single physical host.
Red Hat Virtualization (RHV): RHV is a comprehensive virtualization solution for managing virtual servers and desktops, based on RHEL.

4. Containerization

Docker: RHEL supports Docker for containerizing applications, providing a consistent runtime environment across different systems.
OpenShift: Red Hat OpenShift is a Kubernetes-based platform for developing, deploying, and managing containerized applications, offering advanced features for enterprise environments.

5. Development Environment

Software Development: RHEL provides a stable and secure platform for software development, supporting a wide range of programming languages and development tools.
DevOps: It integrates well with DevOps tools and practices, enabling continuous integration and continuous deployment (CI/CD) pipelines.

6. Networking

Network Services: RHEL is used to provide various network services such as DNS, DHCP, FTP, and more.
Firewall and Security: It includes robust firewall and security features, making it suitable for use as a network security appliance.

7. Big Data and Analytics

Hadoop and Spark: RHEL supports big data platforms like Hadoop and Spark, providing a reliable and scalable environment for big data processing and analytics.
Data Warehousing: It is used for data warehousing solutions, offering high performance and reliability for large-scale data storage and analysis.

8. High-Performance Computing (HPC)

Scientific Computing: RHEL is used in scientific computing environments for tasks that require significant computational power, such as simulations and data analysis.
Cluster Computing: It supports the creation of compute clusters for parallel processing and distributed computing.

9. Internet of Things (IoT)

Edge Computing: RHEL is used in edge computing scenarios, providing a reliable platform for processing data close to the source in IoT applications.
IoT Gateways: It serves as a secure and stable operating system for IoT gateways, managing data flow between IoT devices and the cloud.

10. Enterprise Applications

ERP and CRM Systems: RHEL is often used to host enterprise resource planning (ERP) and customer relationship management (CRM) systems, ensuring reliable and secure operation.
Content Management Systems: It supports various content management systems (CMS) such as Drupal, Joomla, and WordPress, providing a stable environment for managing digital content.

Red Hat Linux’s extensive capabilities and robust features make it a versatile platform suitable for a wide array of applications across different industries. Its reliability, security, and performance ensure that it continues to be a preferred choice for enterprises worldwide.

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