493 Courses in Cardiff delivered Live Online

Duration 1 Days 6 CPD hours This course is intended for This course is intended for individuals who desire to supervise others more effectively. Overview Upon successful completion of this course, students will be equipped to supervise others more effectively and efficiently, contributing to job satisfaction and productivity. In this course, students will develop the skills required to be more efficient and proficient supervisors. 1 - GETTING STARTED Icebreaker Housekeeping Items The Parking Lot Workshop Objectives 2 - SETTING EXPECTATIONS Defining the Requirements Identifying Opportunities for Improvement and Growth Setting Verbal Expectations Putting Expectations in Writing 3 - SETTING GOALS Understanding Cascading Goals The SMART Way Helping Others Set Goals 4 - ASSIGNING WORK General Principles The Dictatorial Approach The Apple-Picking Approach The Collaborative Approach 5 - DEGREES OF DELEGATION Level One: Complete Supervision Level Two: Partial Supervision Level Three: Complete Independence 6 - IMPLEMENT DELEGATION Deciding to Delegate To Whom Should You Delegate? Providing Instructions Monitoring the Results Troubleshooting Delegation 7 - PROVIDING FEEDBACK Characteristics of Good Feedback Feedback Delivery Tools Informal Feedback Formal Feedback 8 - MANAGING YOUR TIME The 80/20 Rule Prioritizing with the Urgent-Important Matrix Using a Productivity Journal Using Routines and Rituals to Simplify Your Workday 9 - RESOLVING CONFLICT Using a conflict Resolution Process Maintaining Fairness Seeking help from Within the Team Seeking Help for Outside the Team 10 - TIPS FOR SPECIAL SITUATIONS What to Do If You?ve Been Promoted from within the Team What to Do If You're Leading a Brand New Team What to Do if You're Taking on an Established Team 11 - A SURVIVAL GUIDE FOR THE NEW SUPERVISOR Ask the Right Questions of the Right People Go to Gemba Keep Learning 12 - WRAPPING UP Words from the Wise Review of Parking Lot Lessons Learned Completion of Action Plans and Evaluations

Duration 5 Days 30 CPD hours This course is intended for This course is intended for professional web developers who use Microsoft Visual Studio in an individual-based or team-based, small-sized to large development environment. Candidates for this course are interested in developing advanced web applications and want to manage the rendered HTML comprehensively. They want to create websites that separate the user interface, data access, and application logic. Overview Describe the Microsoft Web Technologies stack and select an appropriate technology to use to develop any given application. Design the architecture and implementation of a web application that will meet a set of functional requirements, user interface requirements, and address business models. Configure the pipeline of ASP.NET Core web applications using middleware, and leverage dependency injection across applications. Develop a web application that uses the ASP.NET Core routing engine to present friendly URLs and a logical navigation hierarchy to users. Create Views in an application that display and edit data and interact with Models and Controllers. Connect an ASP.NET Core application to a database using Entity Framework Core. Implement a consistent look and feel across an entire web application. Write JavaScript code that runs on the client-side and utilizes the jQuery script library to optimize the responsiveness of an web application. Add client side packages and configure Task Runners. Run unit tests and debugging tools against a web application in Visual Studio 2022. Write an application that authenticates and authorizes users to access content securely using Identity. Build an application that resists malicious attacks. Use caching to accelerate responses to user requests. Use SignalR to enable two-way communication between client and server. Describe what a Web API is and why developers might add a Web API to an application. Describe how to package and deploy an ASP.NET Core web application from a development computer to a web server. In this 5-day course, professional web developers will learn to develop advanced ASP.NET Core applications using .NET tools and technologies. The focus will be on coding activities that enhance the performance and scalability of the Web site application. Module 1: Exploring ASP.NET Core Introducing of Microsoft Web Technologies Getting Started with Razor Pages in ASP.NET Core Introducing ASP.NET Core MVC Module 2: Designing ASP.NET Core MVC Web Applications Planning in the Project Design Phase Designing Models, Controllers and Views Module 3: Configure Middleware and Services in ASP.NET Core Configuring Middlewares Configuring Services Module 4: Developing Controllers Writing Controllers and Actions Configuring Routes Writing Action Filters Module 5: Developing Views Creating Views with Razor Syntax Using HTML Helpers and Tag Helpers Reusing Code in Views Module 6: Developing Models Creating MVC Models Working with Forms Validating User Input Module 7: Using Entity Framework Core in ASP.NET Core Introduction to Entity Framework Core Working with Entity Framework Core Use Entity Framework Core to connect to Microsoft SQL Server Module 8: Using Layouts, CSS and JavaScript in ASP.NET Core Using Layouts Using CSS and JavaScript Using JavaScript Libraries Module 9: Client-Side Development Applying Styles and Responsive Design Using Task Runners Looking at ASP.NET Core Blazor Module 10: Testing and Troubleshooting Testing ASP.NET Core Applications Implementing an Exception Handling Strategy Logging ASP.NET Core Applications Module 11: Managing Security Authentication in ASP.NET Core Authorization in ASP.NET Core Defending from Common Attack Module 12: Performance and Communication Implementing a Caching Strategy Managing State Supporting Two-way Communication Module 13: Implementing Web APIs Introducing Web APIs Developing a Web API Calling a Web API Module 14: Hosting and Deployment Hosting and Deploying On-premises Deploying to Microsoft Azure Looking at Microsoft Azure Fundamentals

Duration 3 Days 18 CPD hours Overview ?The OS X Sierra troubleshooting process?How to use OS X Sierra tools and resources to troubleshoot OS X Sierra?OS X Sierra features and functionality, including how to find more information about OS X Sierra?How to prepare for Apple Certified Support Professional (ACSP) 10.12 certification In this course students will receive an in-depth exploration of troubleshooting on OS X Sierra. Installation and Configuration Install OS X Sierra Setup and Configuration OS X Recovery OS X Software Updates User Accounts User Accounts User Home Folders System Security Keychain Management File Systems File Systems and Storage FileVault 2 Permissions and Sharing File System Troubleshooting SIP Data Management Hidden Items and Shortcuts System resources Metadata and Spotlight File Archives Time Machine Applications and Processes Application Installation Document Management Application Management and Troubleshooting Network Configuration Network Essentials Advanced Network Configuration Network Troubleshooting Network Services Network Services Host Sharing and Personal Firewall System Management Peripherals and Drivers Print and Scan System Troubleshooting Additional course details: Nexus Humans Sierra 101 - OS X Support Essentials 10.12 training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the Sierra 101 - OS X Support Essentials 10.12 course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Duration 5 Days 30 CPD hours This course is intended for This section specifies the primary and secondary target audiences of this course by job roles and notes the relevance to each job role. Collaboration Engineers and Administration Primary audiences: Collaboration engineers involved in the design, implementation, and troubleshooting of Cisco collaboration core technologies. Secondary audiences: Administration involved in support and troubleshooting of Cisco collaboration technologies. Overview Upon completing this course, you will be able to meet these objectives: Describe the Cisco Expressway - C features and functionality within the collaboration architecture Configure and troubleshoot Cisco Unified Communications Manager and Cisco expressway Series integration Describe the Cisco Expressway - C additional features Configure and troubleshoot Cisco Collaboration solutions for B2B calls Describe how to secure B2B communication with Cisco Expressway Series Describe the MRA feature Describe the Cisco Expressway MRA security and integration options, including integration with Cisco Unity Connection and Cisco IM&P Configure Cisco Webex Hybrid Services This course provides students knowledge about Cisco Expressway Series solutions, such as B2B calls, Cisco Mobile and Remote Access for remote workers, authentication options, and additional Cisco Expressway Series features. Configuring and Troubleshooting the Cisco Expressway Series Cisco Expressway Series Architecture Discovery 1: Deploy virtualized Cisco Expressway Discovery 2: Perform the initial Cisco Expressway series configuration Describe SIP and H.323 in the Cisco Expressway series Describe interworking in the Cisco Expressway series Discovery 3: Register endpoints on Cisco Expressway series Zones Digital string manipulation Search rules Transforms Discovery 4: Call search history and registrations Troubleshoot call processing on Cisco Expressway series Discovery 5: Troubleshooting tools Backup and restore Rerference Configuring Cisco Expressway Additional Freatures Describe bandwidth management Hardening local endpoint registrations Discovery 6: Configure Cisco Expressway series bandwidth management and registration restrictions Discovery 7: Troubleshoot Cisco Expressway series endpoint registration and local dial plan Describe Cisco Expressway security and clustering features Discovery 8: Configure Cisco Expressway series security features Configuring and Troubleshooting Cisco Unified Communications Manager and Cisco Expressway Series Cisco unified communications manager and Cisco Expressway-C integration overview Dian plan overview Call policy Discovery 9: Configure Cisco unified communications manager to connect with Cisco Expressway-C Troubleshooting options for Cisco unified communications manager and Cisco Expressway-C intergration Discovery 10: Troubleshoot Cisco unified communications manager and Cisco Expressway series integration Discovery 11: Configure and troubleshoot Cisco unified communications manager and Cisco Expressway series integration (practice activity) References Configuring and Troubleshooting Cisco Collaboration Solutions for Bussiness-to-Bussiness Describe supported services for B2B collaboration Describe prerequisites for business to business collaboration Call flow including Cisco unified communications manager endpoints Network address translation in a collaboration environment Discovery 12: Implement a B2B Cisco collaboration solution Cisco Expressway series B2B call troubleshooting Discovery 13: Troubleshoot B2B calls on the Cisco Expressway series References Discovery 14: Troubleshoot B2B calls on the Cisco Expressway series (practice activity) Securing Business-Business Communication Firewall Traversal Secure media Secure media between Cisco unified communications manager and Cisco Expressway series Toll fraud prevention Discovery 15: Secure a B2B Cisco collaboration communication Refrences Configuring and Troubleshooting Mobile and Remote Access Describe prerequisites for mobile and remote access Describe service discovery Explore Expressway settings for MRA Certificates HTTP proxy Cisco jabber registration procedure Cisco jabber registration procedure in Hybrid deployment Cisco jabber configuration file Discovery 16: Configure MRA on the Cisco Expressway series MRA troubleshooting Discovery 17: Troubleshoot MRA on the Cisco Expressway series Integrating and Securing Mobile and Remote Access Secure Cisco unified communications integration Cisco unity connection integration Cisco MRA access control options Additional Cisco MRA features Discovery 18: Configure MRA with additional application integrations References Configuring Cisco Webex Hybrid Services Cisco Webex teams Describe Cisco Webex control hub Describe Cisco Webhex hybrid media services Describe Cisco Expressway requirements for using hybrid call service connect Explore Cisco Expressway requirements for using hybrid call service connect Describe Cisco Webex video mesh Discovery 19: Prepare for Cisco Webex teams integration Discovery 20: Configure Cisco Webex hybrid services Additional course details: Nexus Humans Cisco Implementing Cisco Collaboration Cloud and Edge Solutions v1.0 (CLCEI) training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the Cisco Implementing Cisco Collaboration Cloud and Edge Solutions v1.0 (CLCEI) course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Duration 5 Days 30 CPD hours This course is intended for This course is intended for Information Technology (IT) Professionals who have some experience working with Windows Server and are looking for a single five-day course that covers core administration components and technologies in Windows Server. This course also helps server administrators from previous Windows Server versions to update their knowledge and skills related to Windows Server. The course is also for individuals from a service desk role who wish to transition into server maintenance. This five-day instructor-led course is designed primarily for IT professionals who have some experience with Windows Server. It is designed for professionals who will be responsible for managing identity, networking, storage and compute by using Windows Server, and who need to understand the scenarios, requirements, and options that are available and applicable to Windows Server. The course teaches IT professionals the fundamental administration skills required to deploy and support Windows Server in most organizations. Module 1: Windows Server Administration Overview  Introducing Windows Server Windows Server Core Overview Windows Server administration principles and tools overview Module 2: Identity Services in Windows Server  AD DS Overview Deploying Windows Server domain controllers Azure AD overview Implementing Group Policy Active Directory Certificate Services overview Module 3: Network Infrastructure services in Windows Server  Deploying and managing DHCP Deploying and managing DNS service Deploying and managing IPAM Remote Access Services in Windows Server Module 4: File Servers and Storage management in Windows Server  Volumes and File Systems in Windows Server Implementing sharing in Windows Server Implementing Storage Spaces in Windows Server Implementing Data Deduplication Implementing iSCSI Deploying Distributed File System Module 5: Hyper-V virtualization and containers in Windows Server  Hyper-V in Windows Server Configuring VMs Securing virtualization in Windows Server Containers in Windows Server Overview of Kubernetes Module 6: High Availability in Windows Server Planning for failover clustering implementation Creating and configuring failover cluster Overview of stretch clusters High availability and disaster recovery solutions with Hyper-V VMs Module 7: Disaster recovery in Windows Server Hyper-V Replica Backup and restore infrastructure in Windows Server Module 8: Windows Server security Credentials and privileged access protection Hardening Windows Server JEA in Windows Server Securing and analyzing SMB traffic Windows Server update management Module 9: RDS in Windows Server Overview of RDS Configuring a session-based desktop deployment Overview of personal and pooled virtual desktops Module 10: Remote access and web services in Windows Server Implementing VPNs Implementing Always On VPN Implementing NPS Implementing Web Server in Windows Server Module 11: Server and performance monitoring in Windows Server  Overview of Windows Server monitoring tools Using Performance Monitor Monitoring event logs for troubleshooting Module 12: Upgrade and migration in Windows Server AD DS migration Storage Migration Service Windows Server migration tools Additional course details: Nexus Humans 55371 Windows Server Administration training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the 55371 Windows Server Administration course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Duration 3 Days 18 CPD hours This course is intended for This course is designed for help desk specialists, technical coordinators, and entrylevel system administrators who implement and maintain networks using OS X Server. Give technical coordinators and entry-level system administrators the skills, tools, and knowledge to implement and maintain a network that uses OS X Server. Learn how to install and configure OS X Server to provide network-based services. Installing and Configuring OS X Server Installation, initial configuration, server administration tools, and troubleshooting installation issues. Authenticating and Authorizing Accounts Creating and administering accounts, configuring service access controls (SACLs), configuring VPN service, and troubleshooting Using Open Directory Configuring Open Directory, single sign-on, backing up directory data, troubleshooting Open Directory. Managing Accounts Using Profile Manager to manage devices, troubleshooting Profile Manager. Implementing Deployment Solutions Configuring and troubleshooting NetBoot/Network Install to deploy OS X. Using File Sharing Configuring and troubleshooting Apple File Service, share points for Windows users, WebDAV access for mobile devices, providing Time Machine network backups. Managing Web Services Hosting multiple web sites on a single server. Using Collaborative Services Setting up and configuring wikis and blogs, providing iChat and iCal services to assist people working together, and configuring Address Book service to share contact information amongst multiple computers, providing mail services. Certification Students can take the OS X Server Essentials 10.7 exam - one of two exams required for Apple Certified Technical Coordinator (ACTC) 10.7 certification. Additional course details: Nexus Humans Apple - Mac OS X Server Essentials training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the Apple - Mac OS X Server Essentials course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Discuss past and present attitudes/experience around palliative care Holistic palliative care Discuss considerations and difficult conversat About this event Discuss past and present attitudes/experience around palliative care Holistic palliative care Discuss considerations and difficult conversations Accountability Advantages and disadvantages of using syringe driver Equipment required Documentation and Labelling syringes Monitoring patient checks Commonly used drugs Syringes Sites to use and avoid Use of drugs beyond licence Commonly used drugs Troubleshooting Give a practical demonstration of how to set up a syringe pump Practical session setting up a McKinley T34 syringe pump – you will need to the unit if an alternative machine is required.

Duration 3 Days 18 CPD hours This course is intended for Telco cloud system administrators and telco network operations engineers Professionals who work with telco or enterprise and datacenter networks Designers and operations engineers who manage telco workloads Overview By the end of the course, you should be able to meet the following objectives: List VMware Telco Cloud Platform layered architecture and deployment procedures Describe the VMware Telco Cloud Platform virtual infrastructure requirements List the use cases of VMware vSphere and VMware vCenter Server Describe the VMware Telco Cloud Platform networking and storage requirements Describe the architecture of VMware Tanzu™ Standard for Telco Configure management and workload clusters for containers as a service functionality Instantiate network services and network functions Enumerate troubleshooting concepts and Day 2 operations for VMware Telco Cloud Platform This three-day, hands-on training course provides you with the advanced knowledge, skills, and tools to achieve competency in operating and troubleshooting the VMware Telco Cloud Platform? environment. In this course, you are introduced to the VMware Telco Cloud Platform infrastructure, deployment options, and procedures. You also deploy Kubernetes clusters and understand the detailed configuration settings of management and workload clusters. You onboard and instantiate network functions and network services using hands-on lab exercises.In addition, you are presented with various types of technical problems in VMware Telco Cloud Platform, which you will identify, analyze, and solve through a systematic troubleshooting process. his three-day, hands-on training course provides you with the advanced knowledge, skills, and tools to achieve competency in operating and troubleshooting the VMware Telco Cloud Platform™ environment. In this course, you are introduced to the VMware Telco Cloud Platform infrastructure, deployment options, and procedures. You also deploy Kubernetes clusters and understand the detailed configuration settings of management and workload clusters. You onboard and instantiate network functions and network services using hands-on lab exercises. In addition, you are presented with various types of technical problems in VMware Telco Cloud Platform, which you will identify, analyze, and solve through a systematic troubleshooting process.

Duration 1 Days 6 CPD hours This course is intended for This course is designed for professionals in a variety of job roles who receive Tableau data visualizations from data analysts or from data visualization engineers. These data report recipients want to take advantage of the many Tableau features and capabilities that enable them to explore the data behind the initial analysis, perform additional analysis to ask next-level questions of the data, and to customize visualizations and dashboards to share new insights and create compelling reports. Overview Explore Tableau reports. Analyze data to get answers and insights. Sort and group data for analysis and reporting. Filter views. Prepare reports. Troubleshoot, collaborate, and share views and analysis As data acquisition, access, analysis, and reporting are interwoven with our businesses and lives, more and more data is collected about business and personal activities. This abundance of data and the computing power to analyze it has increased the use of data analysis and data visualization across a broad range of job roles. Decision makers of all types, including managers and executives, must interact with, interpret, and develop reports based on data and analysis provided to them. Tableau© software is designed for data analysis and the creation of visualizations. Data analysts prepare data, perform initial analysis, and create visualizations that are then passed on to business data-driven decision makers. These decision makers can use Tableau's tools to explore the data, perform further analysis to find new insights, make decisions, and create customized reports to share their findings. Prerequisites To ensure your success in this course, you should have experience managing data with Microsoft© Excel© or Google Sheets? Lesson 1: Exploring Tableau Reports Topic A: Data Analysis Workflow with Tableau Topic B: Explore Views Topic C: Edit Workbooks Lesson 2: Analyzing Data to Get Answers and Insights Topic A: Configure Marks with the Marks Card Topic B: Ask New Questions by Changing Aggregation Topic C: Find Answers with Calculations Topic D: Answer Questions with Table Calculations Lesson 3: Sorting and Grouping Data for Analysis and Reporting Topic A: Sort Data Topic B: Group Data Lesson 4: Filtering Views Topic A: Filter Data to Refine Analysis Topic B: Create Interactive Filters for Reports Lesson 5: Preparing Reports Topic A: Format and Annotate Views to Tell Your Story Topic B: Emphasize Data in Reports Topic C: Animate Visualizations for Clarity Lesson 6: Troubleshooting, Sharing, and Collaborating Topic A: Troubleshoot Data Issues Topic B: Collaborate in Tableau Online Topic C: Collaborate with Non-Tableau Users

About this Virtual Instructor Led Training (VILT)  This 2-half-day Virtual Instructor Led Training (VILT) course will discuss the chemical aspects of the water-steam cycle in a power plant. The VILT course will examine the different types of chemicals used in boilers, potential issues in a water-steam cycle as well as aspects of monitoring and specifications regarding target values and alarm levels. Participants will also be equipped on what to do or key action steps to take in the event of chemistry-related incidents. This course is delivered in partnership with ENGIE Laborelec. Training Objectives The VILT course will cover the following: Detailed aspects of chemistry in a water steam cycle, including types of chemicals used in boilers depending on the treatment and type of boiler Potential issues in a water-steam cycle such as corrosion and deposition Monitoring & analytical programmes and knowledge of specifications for the water steam cycle (normal values targets - alarm levels) Chemistry aspects during transition periods: start-up, shutdown and preservation Actions to be taken in the event of an alarm Examples of incidents or deviations compared to normal chemistry Target Audience The VILT course is intended for: Power plant chemists Plant operation or maintenance engineers Consultants and technical project managers Boiler engineers Course Level Basic or Foundation Training Methods The VILT course will be delivered online in 2 half-day sessions comprising 4 hours per day, with 2 x 10 minutes break per day, including time for lectures, discussion, quizzes and short classroom exercises. Course Duration: 2 half-day sessions, 4 hours per session (8 hours in total). Trainer Your expert course leader is a chemistry consultant in the energy sector. He works with operators of power plants and industrial facilities. He is active in water-steam cycle chemistry, where he provides support to increase chemistry maturity through audits, trainings or development of key performance indicators. His role also includes operational assistance in the field of chemical cleaning and troubleshooting. More recently, he expanded his field of competence towards electrical storage. In this regard, he specializes in electrochemistry and is in charge of different tests on batteries and their components within the ENGIE Batteries Lab. POST TRAINING COACHING SUPPORT (OPTIONAL) To further optimise your learning experience from our courses, we also offer individualized 'One to One' coaching support for 2 hours post training. We can help improve your competence in your chosen area of interest, based on your learning needs and available hours. This is a great opportunity to improve your capability and confidence in a particular area of expertise. It will be delivered over a secure video conference call by one of our senior trainers. They will work with you to create a tailor-made coaching program that will help you achieve your goals faster. Request for further information about post training coaching support and fees applicable for this. Accreditions And Affliations