239 Debugging courses delivered Online

Perl training course description A hands on introduction to programming in Perl. What will you learn Write Perl programs. Use Perl modules. Debug Perl programs. Examine existing code and determine its function. Perl training course details Who will benefit: Anyone wishing to learn Perl. Prerequisites: None although experience in another high level language would be useful. Duration 5 days Perl training course contents Introduction to Perl What is Perl? When to use Perl, downloading Perl, installing Perl, documentation, perldoc, running Perl, the Perl environment. Perl under UNIX, Perl under Windows. "Hello world". Variables Scalars, data types, $_, strings and numbers, assignment, constants, strict, scope, STDIN. Operators Number operators, string operators, precedence and associativity, converting numbers and strings, shortcut operators. Flow control Blocks, if, else, elseif, unless, foreach, while, for do, until. Regular expressions What are regular expressions? Pattern matching, Perl as a filter, file editing. Strings Comparing strings, concatenating, substrings, chomp, chop, formatting, string manipulation. Subroutines Comparing strings, concatenating, substrings, chomp, chop, formatting, string manipulation. Arrays and hashes Working with arrays, element access, push(), pop(), shift(), unshift(), <STDIN> as an array, associative arrays, hashes of arrays, hash references, arrays of hashes, hashes of hashes. Files Simple file handling, open, close, <FILEHANDLE>, <>, file tests, directory access, directory handles, database access, packing and packing binary data. I/O STDIN, STDOUT and STDERR, Command line arguments,@ARGV. Perl debugging The built in debugger, running the debugger, debugger commands, graphical debuggers. Script syntax errors, single stepping, breakpoints, watches. Packages and modules CPAN, Finding modules, installing modules, using modules, scope. Report formatting Formats, defining a format, invoking a format, field holders. Process management System interaction, system(), exec(), signals. Security issues.

Java training course description A comprehensive introduction of the Java language and environment. It is important to note that the course will assume that the delegates are already familiar with the C language as this enables more advanced features of the Java language to be covered in the course. The course will also give an overview of areas related to programming in Java. What will you learn Describe the Java architecture. Write Java applets and applications. Debug Java programs. Examine existing code and determine its function. Use multimedia extensions, the awt, multithreading, exceptions within Java Java training course details Who will benefit: Those wishing to program in Java. Prerequisites: Complete C programming Duration 5 days Java training course contents Review of UNIX fundamentals What is Java? What Java is, history of Java, reasons for success. The Java Virtual Machine, Bytecodes, getting up and running with Java, Java resources. Simple Java applications. C features in Java Java data structures, Java flow control, differences from C, arrays, strings and packages. OO features in Java Java classes and objects, inheritance, overloading, packages. Differences from C++. Java applets Applications vs. applets, HTML, the applet tag, applet methods, life cycle, testing and debugging. Multimedia applets Images, sounds, fonts, colours and animation. Java products The JDK in detail, other development environments. Javabeans and JDBC overviews. Abstract Window Toolkit JFC and Swing versus AWT. Event handling (JDK 1.1), GUIs, panels, buttons, lists, scrollbars, text areas, frames… Exception handling and multithreading Handling exceptions. Starting, pausing, stopping threads, producers, consumers, monitoring. More standard classes Java file I/O, Streams, The system class. The networking model, java.net classes. Security and Java Types of attack, the security manager, craplets, securing the network. Integrating legacy code with Java

Advanced Asterisk training course description This 2 day hands-on Asterisk training course covers advanced Asterisk configuration including fault tolerant clusters, upgrading and patching Asterisk servers, firewall and NAT transversal, using databases to store Asterisk data. Practical sessions follow each major section to reinforce the theory. What will you learn Configure advanced Asterisk features. Utilise databases from Asterisk Integrate Asterisk with SIP servers. Build High Availability Asterisk clusters. Maintain and secure Asterisk servers. Advanced Asterisk training course details Who will benefit: Technical staff working with or evaluating Asterisk. Prerequisites: Definitive Asterisk for engineers Duration 2 days Advanced Asterisk training course contents Best Practice Review of basics, Channel best practice, dial plan best practise. Call Centre Features GUI, Asterisk Manager Interface, billing, CDR, advanced IVR, ACD, Vici Dial. Hands on Install Vici-Dial Asterisk and Databases MySQL, LDAP, ODBC, dial plan from a Database, storing CDR in a Database, Hands on Dial plan in MySQL, CDR in MySQL. TDM over Ethernet What is TDMoE, Asterisk to Asterisk TDMoE, Phone Bridge. Hands on * 2 * via TDMoE. High Availability Asterisk HA Linux - Virtual Servers, Fail-over steps, setting up HA Linux, configuring Asterisk for fail-over on HA Linux, Hands on Configure Asterisk HA. Advanced Dial plans Asterisk Gateway Interface, AGI IVR applications, Multiple switches sharing Dial plans, ENUM, DUNDI. Hands on Configure DUNDI. Integration Legacy PBX, SIP Proxys, OpenSER. Hands on Configure SER to work with Asterisk. Asterisk Maintenance Asterisk upgrades, implementing patches, advanced debugging, Security Firewalls, NAT, Asterisk security issues. Hands on Configure Asterisk to work through a Firewall and NAT.

Kerberos for engineers training course description This hands on course covers the details of Kerberos, from installation and administration through to how it all works including the protocols. What will you learn Describe what Kerberos is. Explain how Kerberos works. Install Kerberos. Configure Kerberos. Troubleshoot Kerberos. Kerberos for engineers training course details Who will benefit: Engineers interested in security. Prerequisites: TCP/IP foundation for engineers Duration 2 days Kerberos for engineers training course contents What is Kerberos? Single Sign On, The protocol, the standard, history, v4, v5, RFCs, Linux, Windows. Kerberos concepts and technology AAA, Authentication, Authorization, Accounting. Kerberos vs LDAP and directories. Privacy, integrity. Kerberos realms, principles, instances. Keys, salts, passwords. Key Distribution Centre, Authentication server, ticket granting server. Tickets. Installation and administration of Kerberos Installing Kerberos, creating realms, testing. DNS and Kerberos, Kerberos clients. Hands on Windows and Linux Kerberos. Kerberos protocols The Needham-Schroeder protocol, Kerberos v4. Authentication server, ticket granting server, Kerberos v5, encryption options, ticket options, other protocol features and extensions. Related protocols: GSSAPI, SPNEGO. Hands on Using Wireshark to 'see' Kerberos. Troubleshooting Kerberos Approach, debugging tools, errors and solutions. Hands on Kerberos troubleshooting. Kerberos security concerns Kerberos attacks, protocol security issues. Dictionary attacks, brute force attacks, replay attacks, MITM attacks, security solutions, protecting the KDC, firewalls, NAT and Kerberos. Hands on Kerberos logging. Software which uses Kerberos Kerberos logins, Kerberos and web based applications, Directory services. Advanced Kerberos issues Cross realm authentication, Windows issues, Windows and UNIX interoperability, Hands on Using a Windows DC for UNIX clients.

Linux shell scripting training course description A practical introduction to writing scripts using the Bourne shell under any Linux operating system. Applicable for those using the Korn shell as well. What will you learn Read shell scripts. Write shell scripts. Use different types of quotes. Recognise the role of shell scripts within the Linux system. Linux shell scripting training course details Who will benefit: Programmers developing programs under UNIX. Administrators / support personnel who wish to find out more about the workings of Linux or write simple utility programs. Prerequisites: Linux Fundamentals Duration 2 days Linux shell scripting training course contents Review of Linux fundamentals Basic shell scripts What does the shell do? How are commands executed? Different shells. what is a shell script? Comments, creating shell scripts. Variables Setting variables, using variables, set, scope, export, sourcing, environmental variables, read. Positional parameters $0 to $9, $#, $* and others. shift parameter substitution. Control statements The test command The if statement while loops for loops The case statement. Special characters Redirection of errors, here documents, quoting. Arithmetic in shell scripts The expr command. System shell scripts Screen handling The terminfo database, The tput command. Advanced issues (optional session) Shell functions, getopts, xargs, debugging shell scripts, portability issues. Extras in the Korn shell. Optimising shell scripts The time command, performance tips.

UNIX shell programming training course description This course has been designed as a follow on course for the XML primer course. The course looks at the use of XSLT in the transforming and styling XML documents. What will you learn Read shell scripts. Write shell scripts. Use different types of quotes. Recognise the role of shell scripts within the UNIX system. UNIX shell programming training course details Who will benefit: Programmers developing programs under UNIX. Anyone working with XML. Administrators Support personnel who wish to find out more about the workings of UNIX or write simple utility programs. Prerequisites: UNIX fundamentals Some programming experience would be useful although not essential. Duration 2 days UNIX shell programming training course contents Review of UNIX fundamentals Basic shell scripts What does the shell do? How are commands executed? Different shells. What is a shell script? Comments, creating shell scripts. Variables Setting variables, using variables, set, scope, export, sourcing, environmental variables, read. Positional parameters 0 to $9, $#, $* and others. shift parameter substitution. Control statements The test command, The if statement, while loops, for loops, The case statement, Special characters, Redirection of errors, here documents, quoting. Arithmetic in shell scripts The expr command. System shell scripts Screen handling The terminfo database The tput comand Avanced issues (optional session) Shell functions, getopts, xargs, debugging shell scripts, portability issues. Extras in the Korn shell. Optimising shell scripts The time command, performance tips.

Complete VBA programming training course description This course helps you extend the capabilities of the entire Office suite using Visual Basic for Applications (VBA). Even if you have no programming experience, you'll be automating routine computing processes quickly using the simple, yet powerful VBA programming language. We start at the beginning to get you acquainted with VBA so you can start recording macros right away. You'll then build upon that foundation to utilize the full capabilities of the language in Word, Excel, Outlook, and PowerPoint. What will you learn Record, write and run macros. Work with VBA Editor. Use the huge library of built-in functions. Create simple dialog boxes and complex forms. Customize Word, Excel, PowerPoint, Outlook, and Access. Program the Office 2016 ribbon. Complete VBA programming training course details Who will benefit: Anyone looking to extend the capabilities of the entire Office suite using VBA. Prerequisites: None. Duration 5 days Complete VBA programming training course contents Macros and getting started in VBA VBA syntax, variables, constants, and enumerations, array variables, finding objects, methods, and properties. Working with VBA 1 VBA syntax, variables, constants, and enumerations, array variables, finding objects, methods, and properties. Decisions, loops and functions Built-in functions, creating your own functions, making decisions in your code, using loops to repeat actions. Using message boxes, input boxes, and dialog boxes Getting user input with message boxes and input boxes, creating simple custom dialog boxes, creating complex forms. Creating effective code Building modular code and using classes, debugging your code and handling errors, building well-behaved code, exploring VBA's security features. Programming the Office applications The Word object model and key objects, working with widely used objects in Word, the Excel object model and key objects, working with widely used objects in Excel, the PowerPoint object, model and key objects, working with shapes and running slide shows, the Outlook object model and key objects, working with events in Outlook, the Access object model and key objects, manipulating the data in an Access database via VBA, accessing one application from another application, programming the Office 2016 ribbon.

Docker for engineers training course description Docker is the container platform of choice. This course covers how to use Docker to package your applications with all of their dependencies and then test, deploy, scale and support your containers. Hands on sessions follow all the major sessions. What will you learn Work with Docker images, containers and command line tools. Deploy and test Docker containers. Debug Docker containers. Describe Docker networking, deployment tools, orchestration and security. Docker for engineers training course details Who will benefit: Anyone working with Docker. Prerequisites: Introduction to virtualization. Duration 2 days Docker for engineers training course contents Introduction The birth of Docker, the promise of Docker, what Docker isn't. Docker at a glance Process simplification, broad support and adoption, architecture, getting the most from Docker, the Docker workflow. Installing Docker Important terminology, Docker client, Docker server, test the setup. Working with Docker images Anatomy of a Dockerfile, building an image, running your image, custom base images, storing images. Working with Docker containers What are containers? creating a container, starting a container, auto-restarting a container, stopping a container, killing a container, pausing and unpausing a container, cleaning up containers and images, next steps. Exploring Docker Printing the Docker version, server information, downloading image updates, inspecting a container, getting inside a running container, exploring the shell, returning a result, docker logs, monitoring Docker, exploration. The path to production containers Deploying, testing containers. Debugging containers Process output, process inspection, controlling processes, network inspection, image history, inspecting a container, filesystem inspection, moving along. Docker at scale Docker swarm, centurion, amazon EC2 container service. Advanced topics Pluggable backends, containers in detail, security, networking. Designing your production container platform The twelve-factor app, the reactive manifesto. Conclusion The challenges, the Docker workflow, minimizing deployment artifacts, optimizing storage and retrieval, the payoff, the final word.

Complete VB.Net training course description A hands on introduction to programming in Visual BASIC .Net. What will you learn Build Visual BASIC applications. Build simple components Debug Visual BASIC programs. Examine existing code and determine its function. Complete VB.Net training course details Who will benefit: Anyone wishing to program in Visual BASIC. Anyone wishing to build Windows based applications. Prerequisites: None although experience in another high level language would be useful. Duration 5 days Complete VB.Net training course contents Writing your first program Visual Studio, forms designer, running VB programs, the UI, properties, writing the code. Toolbox Controls Basic use, input controls, ActiveX controls. Menus and Dialog Boxes Menus, Dialog Box controls, event procedures. Visual Basic .NET variables and operators Variables, I/O, data types, constants, operators, Math Methods, precedence. Decision Structures and Loops and Timers Event-Driven programming, If…Then, Select Case, For…Next Loops, Timer Control. Debugging Visual Basic .NET Programs Break Mode, watch & command windows. Structured Error Handling Try...Catch, Finally, Err Object, retry periods. Modules and Procedures Standard modules, public variables, procedures. Arrays and Collections to Manage Data Fixed-Size & dynamic Arrays, ReDim Preserve, object collections, Controls Collection. Text Files and String Processing Text Box object, Text String methods, sorting. Automating Office Applications Application objects, automation in VB, the Object Browser, the Process Component. Deploying Visual Basic .NET Applications Planning a deployment, ways to deploy an application, deployment projects, options. Managing Windows Forms Forms, positioning, manipulation, adding controls, organizing controls, Startup Object. Adding Graphics and Animation Effects System.Drawing namespace, coordinates, SystemPaint Event, animation, transparency. Inheriting Forms and Creating Base Classes Inheriting forms, inheritance picker, base classes and inheritance, classes in projects. Working with Printers PrintDocument class, Text Box object, Print Preview and Page Setup Dialog Boxes. Database programming with ADO.NET Databases, ADO.NET, Data Adapters, Datasets, Bound & Navigation Controls. Displaying database records, formatting DataGrid cells, updating the database. Displaying HTML Documents Using IE IE Object, Internet Controls, IE Events. Web Forms for Interactive Web Applications ASP.NET, Web Forms vs. Windows Forms, HTML controls, web applications, event procedures for web forms controls.

Kubernetes for engineers training course description This course covers how Kubernetes addresses the challenges of distributed systems. Hands on sessions follow all the major theory chapters. What will you learn Explain what Kubernetes is and how it works. Create and run containers on Kubernetes using the Docker image format and container runtime. Kubernetes for engineers training course details Who will benefit: Anyone working with Docker or Kubernetes. Prerequisites: Definitive Docker for engineers. Duration 2 days Kubernetes for engineers training course contents Introduction Velocity, Scaling your service and your teams, Abstracting your infrastructure. Creating and running containers Container images, Building application images with Docker, Storing images in a remote registry, The Docker container runtime. Deploying a Kubernetes cluster Installing Kubernetes on a public cloud provider, Installing Kubernetes locally using minikube, Running Kubernetes on Raspberry Pi, The Kubernetes client, Cluster components. Common kubectl Commands Namespaces, Contexts, Viewing Kubernetes API objects, Creating, Updating, and Destroying Kubernetes objects, Labelling and annotating objects, Debugging commands. Pods Pods in Kubernetes, Thinking with pods, The pod manifest, Running pods, Accessing your pod, Health checks, Resource management, Persisting data with volumes, Putting It all together. Labels and Annotations Labels, Annotations. Service Discovery What Is Service discovery? The service object, Looking beyond the cluster, Cloud integration, Advanced details. ReplicaSets Reconciliation loops, Relating pods and ReplicaSets, Designing with ReplicaSets, ReplicaSet Spec, Creating a ReplicaSet, Inspecting a ReplicaSet, Scaling ReplicaSets, Deleting ReplicaSets. DaemonSets DaemonSet scheduler, Creating DaemonSets, Limiting DaemonSets to specific nodes, Updating a DaemonSet, Deleting a DaemonSet. Jobs The job object, Job patterns. ConfigMaps and secrets ConfigMaps, Secrets, Naming constraints, Managing ConfigMaps and secrets. Deployments Your first deployment, Creating deployments, Managing deployments, Updating deployments, Deployment strategies, Deleting a deployment. Integrating storage solutions and Kubernetes Importing external services, Running reliable singletons, Kubernetes-native storage with StatefulSets. Deploying real-world applications Parse, Ghost, Redis.