Gps tracking software linux server jobs

I urgently need an expert in Linux and Nginx who can help me: - Configure my Nginx server - Optimize server The ideal candidate should have: - Extensive experience with Nginx and Linux - Excellent troubleshooting and problem-solving Time is of the essence, so please get in touch if you can jump straight into action. Ubuntu Nginx

...the following features: - Online booking system: Users should be able to book laundry services through the app. - Order tracking: The app should have a tracking mechanism that allows users to monitor the progress of their laundry orders. - Payment integration: Users should be able to pay for their services / subscriptions within the app. - Manage multiple laundries: The app should support multiple laundries, each with their own booking, tracking, and payment system. Ideal candidates for this job would have: - Proficiency in developing cross-platform apps, particularly for e-commerce and service-based operations. - Experience in building apps with online booking, tracking, and payment capabilities. - Knowledge of how to manage multiple locations or service pr...

As a business with diverse inventory, I am in need of an application to generate unique SKUs, track their usage, and store pertinent SKU information. A distinctive facet of the project will be the creation of a custom format SKU algorithm incorporating department codes, which will ensure efficient identification and organization on our part. As such, a freelancer with a background in invent...management systems or similar projects would be advantageous. This job will require: We have a convention to follow for creation of the SKU IDS. Furthermore I want the ability to add product images at the time of generating the SKU. - Strong knowledge in application development. - Experience with custom format algorithms. - Understanding of department code incorporation. - Skills in SKU usage tra...

...nor tens of thousands, nor even thousands of websites each day. I plan to use your scripts on a relatively small scale of not more than one hundred websites each day. ******* TESTING ******* You must test your script on Linux Mint 21.3 Cinnamon Edition to ensure that it runs properly on Python 3.10.12, on the current stable version of Google Chrome, on Linux Mint 21.3 Cinnamon Edition. I do not care if your script runs on any other operating systems or any other browsers. If you typically use Microsoft Windows, please consider setting up a virtual machine to install Linux Mint 21.3 Cinnamon Edition so you can test your code properly. In particular, if I were to send you a bug report, I would not like to receive a reply from you like, “The script works 100...

I'm in need of a skilled software engineer to work on a swim software project. This project involves integrating the new swim software with an existing software A. Here are some key aspects of the project: - Registration System: The new swim software should include a comprehensive registration system with the following functionalities: - User Account Creation: Users should be able to easily create a new account on the platform. - Event Sign-up: An easy-to-use system for users to sign up for various events. - Membership Renewal: A feature to facilitate the renewal of membership for users. - Load Times: I need the system to have quick load times for a smooth user experience. - Additional Options: I'm also looking to add some extra featur...

...a project regarding my website. I have Google Analytics installed on my WordPress site, but I want to rebuild it to better focus on tracking website traffic. I would also like to integrate a Consent Management Platform (CMP) via Google Site Kit to ensure I'm compliant with various privacy regulations. Key tasks may include: - Rebuilding Google Analytics to focus on tracking website traffic - Integrating a Consent Management Platform (CMP) via Google Site Kit Ideal skills for this project include: - Strong understanding of Google Analytics - Expertise in WordPress - Experience with integrating and configuring a CMP - Proficiency in setting up Event tracking in Google Analytics - A fully operational Google Analytics setup via Google Site Kit on WordPress. Yo...

I am in need of a custom HR Applicant Tracking System with key features including applicant tracking, interview scheduling, and a complete onboarding process. Ideal candidates will have experience in: - Developing HR software with a focus on applicant tracking - Implementing features such as interview scheduling and onboarding - Understanding of workflows and fields customization - Creating user-friendly systems for HR managers The system should be easy to use while meeting the needs of HR professionals. Please consider adding in your proposal any relevant experience you have in this field. Thank you.

More details: What platforms would you like the auto-rickshaw booking app to be developed for? Both What specific features should be included in the app? Real-time tracking, Integrated payment system, User rating system Do you have any design preferences for the app? Minimalistic and clean We can book auto using mobile phone, online through web portal and kiosk in the exhibition.

I'm looking for a proficient programmer or web developer with experience in creating Chrome extensions for social media platforms. The main requirement is to generate tailored content for Instagram. - You should create a Chrome extension with the following features: - Template-based content generation: It should support text templates and also have the capability to overlay different texts over one video. - Text overlays: This feature is to add text over images or videos. - Mass production/download: This tool should generate content in bulk and allow for mass downloads. The ideal candidate for this project would have a strong command over JavaScript (for Chrome extension development) and experience dealing with various social media APIs. A strong understanding of content creatio...

...grant funding prospects to match our businesses priorities; * Generates high-quality proposals, narratives, applications and supporting documents and the requirements and guidelines of the funding agencies; * Generates revenues for GC programs through timely submission of well-researched, well written and well-documented grant proposals. * Maintains primary responsibility for grant schedules and tracking grants; * Serves as a liaison to all funding agencies and organizations; * Works with appropriate personnel to research, develop, write and submit letters of inquiry, concept papers and grant proposals; * Coordinates and follows-up on the progress of submitted proposals; Institutional Effectiveness; • Develops and maintains a master file on pending grants and contracts; &bu...

...that allows for efficient tracking and management of customer orders, inventory, and shipping. Key Features: 1. Customer Management - Store customer information including name, address, email, and phone number. - Track customer order history. - Customer feedback and preferences. 2. Inventory Management - Maintain a detailed list of products, including product ID, name, description, quantity in stock, and reorder levels. - Automated alerts for low stock levels. 3. Order Management - Enable creation of new orders with customer information, order details (product, quantity, price), and shipping method. - Track order status (received, processing, shipped, delivered). - Generate invoices and receipts for orders. 4. Shipping and Delivery Tracking - Rec...

I require a data report which focuses primarily on the tracking of conversion actions on a monthly and yearly basis. In particular, the report should include: - Detailed analysis of our conversion tracking data - Breakdown of the converted actions recorded throughout each period To take on this project, you must: - Have experience in analyzing conversion data - Have an understanding of key performance indicators (KPIs) - Be proficient at creating detailed, clear, and action-oriented reports Ultimately, I'm aiming to examine and understand the sequences leading up to conversion actions, in hopes of enhancing strategies to further boost conversions.

As the name suggests, i am looking for somebody who could potentially make me some software that can scan the DVSA government website automatically and be able to find me any test cancellation dates. However, this wouldn't be on the public dvsa website, but for the driving instructor portal (only accessible with a valid government gateway ID [which i will provide]). Further details will be ironed out.

As a client, I am in search of a skillful full-stack software developer. The task at hand involves improving an already existing project with freshly integrated functionalities. An overview of the project's main requirements include: * Integrating the application with Stripe for online payment * Creating Telegram and WhatsApp bots (API) * Incorporating existing text into the translation module of React The primary aim of this project is to facilitate effortless yet functional implementation. Also, the urgency of the tasks varies, with the addition of existing text to the translation module of React taking top priority. Your experience with APIs, Stripe integration, and React translation modules will be key to the success of this project. The project will take place in a cont...

...capabilities in high quality. - A Video-on-demand library should be integrated to provide a variety of content for viewers. The panel should come with the following functionalities for user management: - User subscriptions management: allowing the administration of user accounts and subscriptions. - Multi-user access control: enabling different levels of access for various users. - User activity tracking: to monitor and analyze user engagement with the platform. Ideal candidates for this project should have experience in: - Developing Android applications, particularly in the field of IPTV. - Building user-friendly interfaces and ensuring smooth user experiences. - Implementing live streaming capabilities and managing video-on-demand libraries. - Creating web panels for user ma...

...requirements: - Sales Tracking: I need a system that allows me to monitor sales performance and forecast future sales. - Task Management: The CRM should have a task management feature to help me organize and prioritize my daily activities. Additional details: - The system will be used by a small team of 1-10 users, so it needs to be user-friendly and easy to navigate. - No integration with other software or platforms is needed at this time, so the focus will be solely on creating a robust, efficient Excel-based CRM. Ideal skills and experience for this job would include: - Proficiency in Excel, with a clear understanding of how to create complex formulas and visual representations of data. - Previous experience in developing CRM systems, particularly with a focus on sale...

We are seeking an experienced software developer to join our team and work on developing a secure and scalable VPN/Internet gateway solution. This project involves building server software capable of authenticating client connections and providing access to the internet. Requirements: Master's degree or PhD in Computer Science, Cybersecurity, or a related field Extensive experience in internet security, privacy, and VPN technologies Strong proficiency in server-side software development Familiarity with OpenWrt and router firmware development (preferred) Passion for internet security and privacy Responsibilities: Develop robust Wireguard exit nodes and VPN server software Ensure seamless integration with existing client software...

I need an experienced web designer to create a blog site fo...requirements: - Web design experience, particularly with blog sites - Proficiency in using analytics tools for website optimization - Understanding of SEO and conversion tracking - Ability to tailor the site for a general public audience Your main tasks will be: - Setting up the blog site to be visually appealing, user-friendly, and aligned with our brand - Implementing visitor tracking analytics to monitor user behavior and engagement - Suggesting and implementing website optimization strategies based on analytics data - Ensuring the blog site is optimized for search engine visibility and conversion tracking Experience with promoting products and services via a blog site for a general public ...

I'm looking for a skilled software developer who can create a custom, user-friendly test taking software for my extensive question bank. Key Features: - The software should support multiple choice questions only. - I need the software to have the flexibility to set both strict and flexible time limits for each test. - The results should be displayed in a detailed breakdown by question. Ideal Skills and Experience: - Proficient in software development, specifically in creating educational software. - Experience with creating user-friendly interfaces and interactive features. - Strong understanding of database management to handle a large question bank. - Familiarity with constructing detailed result summaries based on user performance. P...

...*** I'm facing significant challenges with my WooCommerce website's performance. Here's what I'm experiencing: - Slow page loading - High server load - Database query delays Although I’m already employing caching plugins and techniques for performance optimization, the difficulties persist. My WooCommerce site is hosted on a VPS/Dedicated hosting package. I'm in need of a WooCommerce expert who has significant experience in performance optimization, handling high server loads, and reducing database query delays. The ideal candidate should have: - Proven experience in troubleshooting and improving WooCommerce site performance - Strong knowledge of server management, particularly VPS/Dedicated hosting - Expertise in database managem...

...focusing on performance, engagement, accessibility, and best practices. 4. Integration and Testing: • Integrate WooCommerce with Klaviyo for seamless email marketing automation, ensuring a cohesive customer experience across all touchpoints. • Transfer settings and configurations from Google Analytics, Google Search Console, and Google Tag Manager to the new WordPress/WooCommerce site for accurate tracking and analytics. • Perform thorough testing of all site functionalities, including Google Merchant Feed file integration, to ensure smooth operation and minimal downtime. 5. Content Migration and Optimization: • Ensure that no content, internal links, or references are pointing to the staging domain, and update all references to the live domain. • Address...

• Experience with Testing tools Experienced using SQL Advanced experience developing test metrics and reports Experience with Automated Testing Five (5) • years of Testing experience in a Software Development Lifecycle environment Five (5) • SQL and PLSQL Programming in SQL Server ETL and Data warehouse process Informatica 10 • 20 Informatica Data Quality Profiles , Score Cards SQL Server RDBMS SQL Server Analytics Services SSAS SQL Server Reporting Services SSRS Tableau Reporting BMC Control M Scheduler Tool Data Analysis Data Profiling Application Life Cycle Management Complete Testing process SDLC, Agile Process, SAFE and Kanban methodologies, TFS Tool Good Communication Skills and Quick Learner Selenium Automation Unix Finance Doma...

Google Ads Conversion Tracking

I'm in immediate need of a cloud-based stock management software with barcode generation, scanning, stock quantity tracking, and weight measurement functions. The system should enable me to: - Generate and scan barcodes for every product in my stock - Track the quantity of each item I have in stock - Measure the weight of my stock in grams I prefer a cloud-based solution that can be accessed and updated from any internet-connected device. The software should have an easy to use interface and be able to: - Enable manual entry of stock data - Support updating stock information by scanning barcodes - Automatically update stock data from my sales records The software could be developed in Excel, as long as it's accessible online. As a freelancer, you s...

...js application. These include improper error handling, server banner disclosure, and misconfigured CORS. Requirements: - Identify and rectify improper error handling, ensuring that user-friendly error messages are displayed and errors are logged for debugging purposes. - Address server banner disclosure, to enhance the security of the application. - Modify CORS configuration to prevent misconfigurations and enhance security measures. I am looking for an expert who is well-versed in AWS, particularly in working with applications. The ideal freelancer for this job should have: - A thorough understanding of AWS services and its integration with Next.js. - Proficiency in addressing security vulnerabilities, in particular server banner disclosure and CORS misconfig...

I'm looking for a skilled developer to create a comprehensive, easy-to-use ERP software tailored to the gold and diamond jewellery industry. This system will be integrated with e-commerce and feature several additional modules. Key features required: - Inventory Management: The system should efficiently track our jewellery stock levels. - Sales Tracking: Real-time data on our sales performance. - Customer Management: To maintain a customer database. - Credit Management: Tracking outstanding credit and sending payment reminders. - Finance Management: Tracking income and generating financial reports. - CRM: To maintain good relationships with our customers. - E-commerce Integration: Development of a functional e-commerce website and application. - POS: A poi...

Task Requirements 1- You have to visit the place and get the verification form filled and sign stamped. 2- Take 4 to 5 geotagged photos with GPS MAP CAMERA APP with the name board visible in photos 3- In case of refusal ask them to give you written refusal statment with stamp. 4- Most important get the details of HR person or verifier ( Name, Designation, Department and contact email) If all above requirements fulfilled than task will be considered complete.

...Windows and Mac operating systems. Key Features: - Inventory Management: A robust tool to manage my stock of jewellery items, including tracking and updating inventory levels in real-time. - Sales and Order Management: A seamless system to handle the processing of orders and managing sales records effortlessly. - Customer Relationship Management (CRM): A centralized platform to store and manage customer information, with a focus on providing personalized and exceptional customer service. - POS & Credit Management: An integrated point of sale system that also incorporates credit management functionalities. - Finance Management: A module dedicated to tracking financial transactions, generating reports, and managing financial records. Additionally, I'm interested i...

...comprehensive tool to streamline various HR processes and enhance efficiency across our clients' organizations. Requirements: The freelancer is required to develop a single platform capable of providing web and aap based services for product owner and client user interface, with the following functionalities: 1. Recruitment and Applicant Tracking: Streamline the recruitment process, from job posting to candidate selection, with robust applicant tracking capabilities. 2. Employee Onboarding and Offboarding: Simplify the onboarding and offboarding processes for new and departing employees, ensuring a seamless transition. 3. LLM-Based AI Automation System: Develop an AI-powered system to schedule and conduct initial screening phone calls and first-round interviews with ...

I'm seeking an experienced advertiser who can create and implement an effective Telegram ad campaign to rapidly increase our channel subscribers. Key Requirem...goal of this campaign is to significantly boost our subscriber numbers. - **ASAP Delivery:** The project needs to be completed as soon as possible. Ideal skills for this project include: - **Telegram Marketing Expertise:** Proven experience in successful Telegram ad campaigns. - **Audience Targeting:** Ability to identify and reach the right audience. - **Performance Analytics:** Skills in tracking and measuring the effectiveness of the campaign would be a plus. This is an urgent project, so timely and efficient delivery is a top priority. I'm looking forward to working with a professional who can deliver gr...

...Functionality: User registration and login features with secure data collection (Name, email, phone number) for marketing purposes. User consent for data collection and Terms & Use agreement mandatory. Social media login options (Google/Facebook) for simplified registration (optional). Data plan selection and eSIM activation within the app. Integration of payment gateways for transactions. Data Usage Tracking: The app should display users' data consumption and remaining data allowance. Multi-Language Support: The app should be available in English and Arabic, with the ability to adapt to the user's device language (optional). Data Usage Alerts: Implement notifications or alerts to warn users when they approach their data limits. Push Notifications: Enable sending p...

I'm in need of a savvy, adaptable assistant to help with various data entry tasks, project management, and miscellaneous admin duties. Responsibilities: - Data Entry: You will be tasked with cleaning and organizing data, as well as inputting and validating data. - Project Management: Your role will involve task scheduling, tracking, and ensuring smooth communication with team members. - Ad Hoc Administrative Duties: In addition, I'll need you to assist with document formatting and editing, as well as internet research. To excel in this role, you should have: - Proficiency in data handling and management tools - Strong organizational and multitasking skills - Excellent communication abilities for team coordination - A keen eye for detail when performing administrative t...

...dependencies for Linux (still in the environment) - sudo wget -qO- | bash 5. Then I installed depthai (still in the environment) - python3 -m pip install depthai 6. Then I cloned the "depthai-python" git hub repository 7. Then I ran the install requirements (still in the environment) - python3 Finally, I tried to run the example code ColorCamera/rgb_preview.py. However, I would run into the error, "RunTimeError: No avaible devices." Originally, I thought this was a watchdog error since the it said "RunTimeError" but the watchdog timer only activates after 15 seconds and the terminal returns this error in less than 5 seconds. On Luxinos's documentation I noticed that if the camera is unable to connect to the DHCP server it has

...dependencies for Linux (still in the environment) - sudo wget -qO- | bash 5. Then I installed depthai (still in the environment) - python3 -m pip install depthai 6. Then I cloned the "depthai-python" git hub repository 7. Then I ran the install requirements (still in the environment) - python3 Finally, I tried to run the example code ColorCamera/rgb_preview.py. However, I would run into the error, "RunTimeError: No avaible devices." Originally, I thought this was a watchdog error since the it said "RunTimeError" but the watchdog timer only activates after 15 seconds and the terminal returns this error in less than 5 seconds. On Luxinos's documentation I noticed that if the camera is unable to connect to the DHCP server it has

...AI-based Android app meant to perform tasks such as image classification and face recognition. An integral requirement for this role is proficiency in the integration of JNI C++ libraries. The foundations of the project include: - Development of an app compatible with Android phones - Integration and enhancement of machine learning algorithms into the app - The app must process object detection & tracking tasks using machine learning The ideal candidate should have: - Prior experience in Android app development - Strong knowledge of machine learning - Proficiency in the integration of JNI C++ libraries Integral to success in this project is a developer's ability to balance technical machine-learning objectives with user-centered design principles. This role is idea...

I am in need of a skilled Linux and Bash Script expert to help me with my current project. Although I haven't specified exact tasks or goals, I am seeking assistance in the following areas: - Linux installation and configuration - Bash scripting and automation - Troubleshooting and debugging I expect the successful freelancer to have a deep understanding of Linux systems and be proficient in Bash scripting. Your past work and experience in similar projects will be valuable. Please detail how you can assist and your approach in your application. Thank you.

I'm looking for an experienced C++ developer to help me in developing new features for a desktop application. The application should be compatible with Windows OS. Key Responsibilities: - Develop new features for the existing desktop application - Write high-quality, efficient, and maintainable C++ code - Ensure the new features seamlessly integrate with the current application Ideal Skills and Experience: - Proficient in C++ programming language - Previous experience in developing desktop applications - Familiarity with Windows OS - Strong problem-solving and debugging skills - Ability to write efficient and clean code If you're a C++ developer with a keen eye for detail and a passion for creating top-notch desktop applications, I'd love to hear from you.

I am looking for an experienced developer that have worked on the signal messenger app to rebrand the app change icons and colours. We need installation on our amazon instance signal server and included all required backed services database etc. and publish application with custom icon colours and icons markets google and apple. you can look signal application

I'm searching for a seasoned full stack mobile application developer to c...functional mobile app. This application will be developed for both Android and iOS platforms. Key Features: - User Application: This will allow users to register and scan QR codes to obtain queue numbers. - Admin Application: This console will be used to call customers and manage respective details. Additional Attributes: - The user app will need integration for Push notifications, Location tracking, and Social media platforms. Ideal Skills: - Full Stack Mobile App Development - QR Code Integration - Real-Time Notifications Integration - Strong knowledge in Geo-Location features - Social Media APIs Experience with these features, particularly within queue-management systems, will be highl...

We are currently struggling with our WordPress site which is plagued by slow loading times, frequent server crashes and persistent error messages. Given the criticality of the platform, We need an expert who is adept in Internet Information Services (IIS) server management running WordPress environment and troubleshooting it at server level. To be successful in this role, you should demonstrate the following: - In-depth knowledge of IIS servers and WordPress operations - Proven experience in diagnosing and resolving server and website errors - Proficiency in optimizing WordPress sites for enhanced performance Please note, no recent changes or updates have been made to the website or server configuration that could be contributing to these issue. I...

I'm in need of an expert developer with a keen understanding of PHP, Heroku, and Shopify. This project entails the deployment of a Heroku server where my API key will be secure and stored in an environment variable. You'll also need to utilize this Heroku-based API key on my Shopify platform to access and display user data through API calls. Ideal Skillset and Experience Required: - Proficiency in PHP - Expertise in deploying and managing Heroku servers - Understands how to secure API keys on Heroku - Experience with Shopify API integration and displaying data.

Productbrochure / Productcatalog Hello, we have technical Prod...search a solution for 2 Catalogs. First Catalog with small products and easy products with photos, details, part number, price for automatic publishing via a Excel File and the second Version is a Catalog which i must make with a software manuell/self, because very strong products, which are not possible to create via excel, only a catalog as information and .... have you a easy and good solution for us, that we can change weekly the products because we add every week 10-50 new products in our excel / erp / website and in the brochure than. But we need a easy software which we can edit self very easy, but with high quality design and for printing as PDF and for Printing with Printer in high quality. All wit...

...functional testing. I'm seeking new opportunities to collaborate and enhance software quality. Key Points: - Proficient in test case creation, execution, and defect tracking - Prior experience in testing software web applications - Skilled in testing on various web browsers like Chrome, Safari, and Edge Ideal skills and experience for this job: - Proficient in functional testing methodologies - Capable of creating comprehensive test cases - Expert in defect tracking tools - Experience in testing software web applications - Familiarity with different web browsers such as Chrome, Safari, and Edge If you have experience in these areas, I'd love to hear from you. Let's work together to ensure the quality of our software....

More details: What platforms do you want the app to be developed for? Android, Both Will the app require user authentication? Not sure Which functionalities do you want for your web portal? User management, Real-time updates

Hi, I need assistance with installing a Public SSH key on my Linux server. The task focus on a single user who will need to access a specific folder located on the server. Key tasks to be completed include: - Enabling both write and read permissions for this user to that specific folder using its Public SSH Key authentification (without password). - The user should not have "execute" permissions or access to any other folders or areas. - Create a cron that will copy the content from this folder to another every 5min. The ideal freelancer for this job would have extensive understanding and experience with Linux command line, SSH configurations, permissions settings and security principles. Best regards.

I'm looking for a skilled developer who can help me fortify my C# WPF software. The main focus is preventing unauthorized access through a robust license key validation system. The ideal system will be capable of supporting both time-limited access (subscriptions) and permanent licenses. The successful freelancer should have: - Strong proficiency in C# and WPF - Proven experience in developing software protection systems - Expertise in implementing license key validation systems - Familiarity with both time-limited and permanent license structures - A good understanding of software security best practices Your role will involve: - Designing and implementing a license key validation system - Ensuring the system can handle both time-limited and permanent licenses ...

I'm looking for a developer who already has pre-built car rental software. The software should have the following features: - Vehicle inventory management - Online booking system - Payment gateway integration I need to customize this software to cater to the needs of tourists. This includes making the booking system user-friendly and ensuring that the payment gateway is secure and internationally accessible. Ideal candidate will have experience in: - PHP development - Software customization - Familiarity with car rental industry Your understanding of both PHP and the challenges of tourism will be a huge plus. The project requires someone who can hit the ground running and deliver a high-quality, user-friendly solution.

Budget Tracker: Develop an app to help users manage their finances by tracking income, expenses, and savings goals. Include features like expense categorization, budgeting tools, and customizable reports.

...page speed report before and after. - Improme to should be consistent and long term, not any trick that speeds it up temporarily and then it returns to slowness. - I have already added server side compression and 2 caching plugins. Ideal Skills: - Proficiency in web design and development specifically in Divi theme design. - Experience with UI/UX design and responsive web development - Strong attention to detail and design aesthetics - Good understanding of user experience and user interface design - Ability to enhance website usability and readability - Proven page speed improvement results - Strong tracking and reporting of work steps completed. If you have the right skills and experience, please bid with your best hourly rate for these tasks and include an estima...

I'm in need of a skilled web developer to construct a multi-faceted habit-building website for a broad audience (students, professionals, and the general...Visualization: Implement appealing graphics and infographics to illustrate user's habit progression and achievements. - Special Section: Design a unique area focused on combating social media addiction, a function unknown to most habit-building platforms. Ideal Skills: - Strong familiarity with coding and web development, particularly for multifunctional platforms. - Previous experience designing habit tracking or goal management tools. - Demonstrated ability in rendering complex data into visually appealing, understandable graphics. - Experience or interest in psychology/cognitive science may be a bonus for understand...