Installing apache mysql sshJobs

...security of the application through thorough testing and validation. Requirements: Proficiency in both front-end and back-end development technologies, such as HTML/CSS, JavaScript, Node.js, React, or Angular. Experience in interfacing with hardware devices and integrating them into web applications. Strong understanding of relational databases and experience with database management systems like MySQL or PostgreSQL. Knowledge of RESTful API design and development for seamless communication between front-end and back-end components. Excellent problem-solving skills and ability to work in a fast-paced, collaborative environment. Preferred Qualifications: Previous experience with invoice generating applications or financial management systems. Familiarity with cloud-based solutio...

I need a mobile application that works on both iOS and Android platforms. The app will primarily serve localhost purposes in its functionality. Key Features: login User Authentication to http localhost , after login, display 2 buttons, and display the name of user one button for Entrance and the second button, for stop . after login need to connect to localhost mysql database table on my local web application Please submit your proposal with relevant examples of your work. I will show more detail in chat

...should be able to design and implement API endpoints that are efficient and scalable. - Integrating SQL Databases: In this specific project, we're focusing on SQL databases - MySQL and PostgreSQL. Your expertise in database integration should be strong. You should be able to design database schemas that align with the overall structure of the project and implement effective data retrieval and storage mechanisms. The ideal candidate for this position should have: - Proven experience working with Java Spring Boot - A solid understanding of RESTful API development - Extensive experience with SQL databases, particularly MySQL and PostgreSQL - Strong communication skills, as you'll be required to assist and guide our team through the project's backend developme...

...troubleshooting issues in production as and when needed. Key Skills Required: 1) Proficient with PHP, HTML5, JavaScript, JQuery, JSON, REST API, XML, AJAX and CSS3 2) Experience working with the MVC Framework Laravel 8.0, Laravel Livewire, Tailwind CSS 3) Experience building API integration such as GupShup, WhatsApp, Telegram, Twitter, Facebook, Google maps, Instagram, etc. 4) Hands-on experience in MySQL databases 5) Experience with Amazon Web Services 6) Optimization SEO/Content/Website Speed, Web security 7) Document deliverables Desirable Skills: 1) Experience in Agile development methodology 2) Experience with GitHub and other code repositories 3) Experience with Rollbar error management 4) Experience with Trello 5) Experience Sketch, Figma or Adobe XD 6) Ex...

I'm looking for a skilled professional to install self-adhesive wallpaper on a small wall area in my home. Key Deliverables: - Precise and neat installation of self-adhesive wallpaper on a small wall (less than 100 sq ft), only installing behind the bathtub - Ensuring the wallpaper is smooth and free of air bubbles Requirements: - Experience with installing self-adhesive wallpaper - Attention to detail to ensure a clean and professional finish - Ability to work neatly and without damaging the wall or surrounding areas Please note that I will not be requiring any removal of old wallpaper for this project.

I've been experiencing a recurring problem with my Linux web hosting server. The issue essentially revolves around the Apache service, which keeps turning itself off and on sporadically. This continuous fluctuation is causing disruptions in the operation of my hosted websites. The primary goal of my project is to address and resolve this persistent Apache service problem. I need a skilled server administrator or a Linux system expert to investigate the root cause of the Apache's erratic behavior and implement a permanent fix for the issue. Key Requirements: - Proficient in Linux server administration - Expertise in Apache server configuration and troubleshooting - Experience with identifying and resolving service disruption problems - Ability to work remote...

...Creation of an exclusive membership club section for enhanced customer loyalty. - Course Pages: Setting up dedicated pages for courses, providing a comprehensive user experience. the theme we are using in stockmart Graphic Design and Shopify Setup Task: - Seeking a skilled graphics expert to design brand-new graphics for a Shopify store. - Task involves utilising a pre-made theme and installing graphics on pre-existing sections; an - Primarily a custom graphics and designing job, not major development. - Requirements and Expectations: - Need an exceptional graphics designer with a strong understanding of UX/UI. and development - Must set up all required pages, including product pages and essential ones. - Expertise in both graphics design and develop...

I'm looking for a professional with a deep understanding of SQL injection to help me identify vulnerabilities in a MySQL database. If you're experienced in this area, I'd be glad to work with you. Key Expectations: - Identify vulnerabilities: Your primary task will be to thoroughly test the database for potential vulnerabilities, considering various injection techniques. - No access: Since I don't have any access to this database, I'm looking for someone who can perform this task remotely. You'll be expected to provide a detailed report on the vulnerabilities identified, so I can address them with my database administrator. - Change database values: Additionally, I'd like you to demonstrate the ability to change database values, as a proof of con...

We have a Problem to update our shop. We got in the SSH Terminal the following Error: ! Warning: Failed to load plugins. Message: An exception occurred in the driver: could not find driver !! PHP Fatal error: Class ShopwareCoreMigrationV6_5Migration1694426018AddEntityIndexToStateMachineHistory contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (ShopwareCoreFrameworkMigrationMigrationStep::updateDestructive) in /var/www/vhosts/***-****.de/httpdocs/vendor/shopware/core/Migration/V6_5/ on line 13

As someone requiring a Linux Server Administrator with AWS expertise, I require specific support with server maintenance and updates - specifically involving an Apache environment. Your role will entail ensuring optimal performance and uptime. A diverse skill set including the following is vital: - Proficiency in Linux server administration, particularly within an Apache environment - Knowledge on server maintenance and updates - Capability to handle AWS resources management and environment We are looking for a Linux server administrator with expertise in AWS to manage our server infrastructure. The responsibilities include ensuring the smooth operation of the servers and addressing any issues that may arise within our custom-built system. We will provide comprehensive kno...

This error has been traced back to the Apache webserver, it is a PHP and WordPress error "Please check that the mysqli PHP extension is installed and enabled." Key tasks for this project include: - Identifying the root cause of the 'Internal Server Error' message - Resolving the issue promptly to restore the website's functionality Ideal Skills and Experience: - Proficiency in PHP and Apache webserver - Strong experience in debugging and resolving 'Internal Server Error' issues - Excellent problem-solving and communication skills

I am seeking to develop a multi-featured ERP system. The ideal candidate will have a strong command of Express, MySQL, , and TypeScript, and a solid understanding of the requirements of an ERP system. Main Features: - Inventory Management: This will need to include stock tracking and control, order fulfillment and shipping, and product categorization and management. - Sales and Order Management: This will need to incorporate vital functions for sales management, customer management, and suppliers management. - Financial Management: Comprehensive financial management capabilities including accounting, payroll management, and application subscriptions management. Additional Features: - Multi-company support: I require a multi-tenant system to accommodate multiple companies. - Staff ...

...PHASE 2+ - Feature development including implemention of designs already made via Figma, maintance and continue enhance the platform, optimization of performance and scalability. - SMS and WhatsApp API integration. - integrate Payment Methods like PayPal and gateways. The ideal developer needed to be with a strong proficiency in GITHUB, AWS, experienced PHP developer, experience with Laravel, MySQL (RDS), Vue.js, EC2 (Ubuntu). IMPORTANT: Thee current version needed some improvments by UX/UI and fufunctionality. Prior expercience in user interface design needed as well. ~ - Please mention recent projects you did. - Fluent English needed so we can communicate smoothly. - Responsibility for development and maintance (the goal is to continue working together over a long period of...

I'm currently experiencing several issues that strongly suggest a malware issue on my apache server. My website's performance has seriously declined, and much to my disturbance, Google has flagged my site as dangerous. I haven't taken any steps yet to resolve these issues so now I'm seeking professional help. To be successful in this project, you will need: - Expert knowledge of Apache servers - Strong experience in malware removal techniques - Excellent understanding of domain whitelisting - Safety assurance to recover my domain status on Google I'm looking forward to making my website perform faster and being flagged safe on Google and other antivirus platforms.

I'm needing an experienced web developer who c...plugin for my website, with specific functions added. The key customizations I'm looking for include: - Development of custom event tooltips: These tooltips should be able to display the basic event details such as the Event Name, Date and Time. - Integration with an existing MySQL database: The calendar events should be fetched and updated from/onto this database accurately and seamlessly. The ideal candidate for this job should exhibit: - Proficiency in FullCalendar plugin manipulation. - Excellent skills in MySQL databases. - Ability to translate user requirements into functional features. Considering the detail-oriented nature of this task, applicants who can demonstrate previous experience in handling similar ...

I am in need of an expert who can give assistance with installing OpenDevin on my windows platform. I try to follow this tutorial But I can't I have a problem with docker could not be found in this WSL2distro Project to install on Win 10 64bits

I'm looking for a developer to create a Caller ID app for both Android and iOS platforms using MySQL database. The app should have the following features: - Comprehensive Caller Identification: The app should be able to identify incoming calls and display the caller's information if available. - Anti-Spam: The app should have a feature that can help block spam calls. When a call comes in, you will check that call through the API It will give you a response with his phone number, name, photo, and address You will display that information 1. Login first app. (SERVER URL, USERNAME, PASSWORD) 2. I just need the information of the person who gave the phone from my database to show his name, photo, and address. 3. If he wants to save any ne...

I am seeking a skilled developer with solid experience in both Git and SSH to create a custom SSH protocol remote helper, a CLI to be invoked as git-remote-custom by git when commands are given to a remote url that looks like "custom::git@github:me/myrepo" To be writen as a shell script or in Golang Please note that this project does not involve specific security requirements. However, any additional measures you can suggest or implement to ensure the safety of git commands over SSH will be highly valued.

I've described the issue here: I have a streamlit app running on a specific port. I'd like to have setup a reverse proxy using apache. You will not be given ssh access to the server. I'll send you the apache config and then you can suggest changes. Thank you!

I urgently need a plumber to fix my shower head that broke inside the plaster wall while being replaced. Tasks involve: - Extracting the broken shower head from within the wall - Appropriately installing a new shower head, ensuring it functions correctly - Patching and repairing the affected part of the plaster wall Preferred Experience and Skills: - Plumbing expertise, particularly in shower installations - Experience working with plaster walls - Excellent problem-solving skills - Impeccable attention to detail to guarantee minimal disruption to my wall. Please note, the work should be completed meticulously to prevent further damage to the wall or plumbing system.

I am looking for a specialist to create an interactive UI in React Js that provides a seamless user experience. This project will require: - The creation of at le...specialist to create an interactive UI in React Js that provides a seamless user experience. This project will require: - The creation of at least two UI test cases, with a clear emphasis on user interaction tests. - Setting up and integrating Routing and Guard Components for authorization. - Developing a backend in Spring Boot. - Saving credentials in a MySQL database. Ideal candidates should have solid experience with React Js, Spring Boot, and MySQL database. Proficiency in creating user interaction tests is also a must. Once completed please provide a GitHub link for the project in .docx file with scree...

I'm in need of a skilled professional with a solid background in Apache and Linux web server management and PHP. - The task is to migrate my current Apache web server, which is running on a Linux platform, to a new and faster server. - You should have strong experience in Linux systems, Apache servers and PHP. - Experience in server migration is highly desirable. - Knowledge of best practices for optimizing web server performance is a must. There are any business Domains and any Email Accounts running on it. All this must Work again 1 to 1. Also setup cpanel with New Webserver

...continuous improvement of development processes and practices. Requirements: Bachelor's degree in Computer Science, Engineering, or a related field. Proven experience developing web applications using Angular and Node.js. Strong proficiency in JavaScript, TypeScript, HTML, and CSS. Experience with RESTful APIs and asynchronous programming. Familiarity with database technologies such as MongoDB, MySQL, or PostgreSQL. Knowledge of version control systems, preferably Git. Excellent problem-solving skills and attention to detail. Ability to work independently and collaboratively in a fast-paced environment. Strong communication and interpersonal skills. Experience with Agile methodologies is a plus. Join us at Netbugs Solutions and Services LLP, where you'll have the oppor...

I need a freelancer with experience in installing Dspace 7.6 on Ubuntu 22.04 LTS. Key Requirements: - Proficient in Ubuntu 22.04 LTS - Experience in Dspace 7.6 installation - Ability to Installing the Backend (Server API) - Ability to Installing the Frontend (User Interface) - Ability to Search Engine Optimization - Ability to Scheduled Tasks via Cron For more information read below the link https://wiki.lyrasis.org/display/DSDOC7x/Installing+DSpace

I'm looking to hire an experienced backend developer to build a REST API using Sprin...functionality to be implemented is for CRUD operations for data. Unfortunately, the type of data this API will be handling is yet to be defined, which requires the developer to be able to adapt as the requirements evolve. The API will need to interact with MySQL Database, thus familiarity with this database technology is critical. Ideal Skills: - Proficiency in Spring Boot. - Experience with MySQL. - Familiarity with CRUD operations. - Ability to adapt to changing requirements. Your task will be to create the API and ensure it interacts properly with the MySQL database. Knowledge of implementing scalable systems will be a huge plus. Being able to communicate effectively is ke...

I'm seeking a Python developer experienced with SSH to create a script that enables network configuration and system monitoring tasks. Key skills/Experience: - Proficient in Python programming - Familiarity with SSH and its operation

...loading - Google page speed check has to be 100% for both desktop and mobile - The page is image heavy, hence has to lazy load images correctly - Menu has drop down images heavy. Accordingly loading should be only on mouse over and not interfere with rest of page load. - First part of the page should load very fast. - Listing of rest of the page should re-fresh on scroll. - Listings are fetched from mysql db on aws server. - User-friendly dropdown menu design - Solid understanding of interactive elements The ideal candidate should have a strong portfolio involving Laravel development and responsive web design. Familiarity with creating interactive and user-friendly dropdown menus will also be essential. Please provide relevant experience in your proposal. Your input on possible...

I run an instant grass company in South Africa, where we work on farming, delivering, and installing Kikuyu and LM Grass. Currently, I require a professional to set up the Bigin CRM system (Zoho) for my company. It should cater to 1-5 users. Key functionalities I'm looking for include: - Customer management - Task management - Sales funnel tracking - Importing leads from online platforms In terms of online platforms, the successful freelancer should set up importing leads from Facebook Ads, Google Ads, and our website contact forms. Ideally, you'll be experienced in CRM system setups and the Zoho platform. An understanding of online marketing platforms and lead generation will also be beneficial for this project.

I've been experiencing a recurring problem with my Linux web hosting server. The issue essentially revolves around the Apache service, which keeps turning itself off and on sporadically. This continuous fluctuation is causing disruptions in the operation of my hosted websites. The primary goal of my project is to address and resolve this persistent Apache service problem. I need a skilled server administrator or a Linux system expert to investigate the root cause of the Apache's erratic behavior and implement a permanent fix for the issue. Key Requirements: - Proficient in Linux server administration - Expertise in Apache server configuration and troubleshooting - Experience with identifying and resolving service disruption problems - Ability to work remote...

I'm seeking an experienced developer to assist in optimizing database speed f...seeking an experienced developer to assist in optimizing database speed for my Node.js website. Key tasks: - Conduct initial review of current setup, hosted on a Hostinger VPS with a configuration of 16GB - Advise and implement changes to improve response time, usining knowledge of different hosting platforms such as Amazon Web Services, Google Cloud Platform or Microsoft Azure. - Familiarity with MySQL as a database management system is a must. Ideal candidate would possess keen problem-solving abilities, strong knowledge in database management and previous experience with Hostinger VPS. Experience is optimizing Node.js websites is advantageous. Please provide examples of similar assignments in...

Looking for an innovative thinker to solve the challenge of automatically filling a single-page form on a local host, where .exe files cannot be run. The database to work with can be either online or local (not the local host of the form), and the database type may vary (MySQL, SQLite, PostgreSQL, etc). Key Responsibilities: - Conceptualize and suggest potential solutions for the auto-fill issue - Design and implement a solution that does not require .exe or batch files Ideal Skills & Experience: - Expertise in form automation - Understanding of various database types - Experience with local and online database handling - Problem-solving and innovative thinking capabilities are crucial. Write strawberry in your response so I know you have read all.

I'm looking for an expert to help with uninstalling Windows Server 2016 (evaluation mode) and installing Windows 10 Pro on my laptop. Here are the specifics: - I'm seeking this migration for personal use, as I find Windows 10 Pro more suitable for my needs. - I've confirmed that there's no necessity to back up any data before the migration. Ideal Freelancer: - Proficient in Windows Server and Windows 10 Pro migrations - Can ensure a smooth transition without data loss - Able to advise on or assist in obtaining a Windows 10 Pro license, as needed.

Tengo una base de datos mysql en usbwebserver8.6, pero no me deja entrar me sale el mensaje #1130 El servidor MySQL no autorizó su ingreso, quiero poder recuperarla es esta:

...system and Apache web server. The primary task is to configure and implement a Letsencrypt SSL certificate. Key Project Deliverables: - Install and configure Letsencrypt SSL certificate on my Linux server running Apache - Implement automatic renewal for the Letsencrypt certificate - Provide guidance on manual renewal of the certificate in documentation - document on how you installed as well Note: see attached screenshot on what we did to try to install. It shows SSL is there when you go to browser and access SSL. However, when doing payment with Stripe I get error of invalid SSL. Would be good to know why. Ideal Skills and Experience: - Strong background in Linux system administration - Proficiency in configuring and managing Apache web server - Prior experien...

I'm searching for a proficient PHP developer, armed with Javascript, MySQL, and API handling talents for my project. I aspire to build a custom jobs module on a site hosted using social networking script. • Essential Competencies: 1. Comprehensive module development 2. Expertise in PHP and Javascript 3. Firm understanding of MySQL and APIs • Project Objectives: 1. Job Search Functionality: Incorporate an effective search feature powered by job title or keyword, location, and industry or department filters. 2. Resume Submission and Storage: Establishment of a user-friendly interface that allows effortless resume submission and secure storage. 3. Application Tracking System: Implementation of a reliable tracking system to manage and monitor application s...

I am on the hunt for a qualified professional to link my existing MySQL database to my Wordpress site. Required skills for the job will include: - Proven experience with both MySQL and WordPress integration. - Ability to consult and offer realistic and effective solutions for potential hurdles. - Excellent communication skills to provide progress updates and flag any potential issues promptly. .

I am seeking an expert in Python to design a basic face recognition attendance system. This project integrates a MySQL database, driven by a Python-based face recognition component. Ideal skills for the project include: - Proficiency in Python - Experience with OpenCV, TensorFlow, Dlib, or comparable libraries - Proficiency with MySQL databases Primary tasks will be: - Developing the face recognition component - Creating and integrating a MySQL database schema - Making informed suggestions regarding model training Your expertise and creative solutions will play a huge role in this project. I look forward to your ideas!

I need an experienced programmer to develop a custom-built website for a Loadshedding scheduler. The project has a high priority and needs to be completed as soon as possible Before 20 May 2024 Basics Summary: The Load shedding Scheduler System is a comprehensive solution designed to address the challenges associated with managing and implementing load shedding in an efficient and org...generation. - Understanding of e-commerce and secure online payment methods. - Ability to work under tight deadlines and deliver high-quality work. I'm looking for someone who can start immediately and commit to completing this project promptly. Please provide your relevant experience and a proposed timeline for the project. for skills required on this platform i can only put 5 but include Web Hosti...

I need an experienced programmer to develop a custom-built website for a Loadshedding scheduler. The project has a high priority and needs to be completed as soon as possible Before 20 May 2024 Basics Summary: The Load shedding Scheduler System is a comprehensive solution designed to address the challenges associated with managi...generation. - Understanding of e-commerce and secure online payment methods. - Ability to work under tight deadlines and deliver high-quality work. I'm looking for someone who can start immediately and commit to completing this project promptly. Please provide your relevant experience and a proposed timeline for the project. for skills required on this platform i can only put 5 but include Web Hosting MySQL. Anyone that i can charge the price range...

...interface should be intuitive and user-friendly for the end user. Security: The extension should not collect personal data from users without their knowledge and consent. 5. Documentation Requirements The project delivery should include: The source code of the project. Documentation on the code and project architecture. A user manual for installation and use of the extension. An archive for installing the extension in the Chrome browser. 6. Guarantees and Support Provide a warranty for a period of 5 to 6 months for fixing any arising errors and maintaining functionality. Technical support and updates during the warranty period. 7. Proposal Submission Procedure Candidates should provide: Their portfolio describing experience with the required technologies. Descriptions of succes...

I'm seeking a proficient developer to build a user authentication and authorization system using JS, Node.js, and MySQL. The core function of this project will be role-based access control. Key Features: - Role-based access control system: The system should be able to accommodate three different roles - Admin, User, and Guest, each with different permissions. Ideal Skills and Experience: - Strong proficiency with Frontend JavaScript, and Backend Node.js. - Proficient understanding of databases particularly MySQL. - Comprehensive experience in building authentication and authorization systems. - Knowledge of implementing role-based access control. 1 Registration Screen for Admin & User UserID Password Confirm Password FirstName MiddleName LastName Ema...

I'm in need of support to set up an Amazon EC2 server =. Following are the requirements: 1. Server Installation: Involves setting up a Amazon EC2 server. 2. Sendy Installation & Integration: This requires installing and setting up Sendy on the server. You'll need to integrate Sendy with Amazon SES for email functionality. 3. Domain Configuration: I already have a domain in place. Assistance will be required to configure this existing domain for Sendy. Ideal skills include server management, familiarity with Amazon EC2 and Amazon SES, and experience in domain configuration. Also, past experience with Sendy is a must.

I have an Application build in last 2022 with MYSQL Database and Node.js Backend. I am looking for a developer who can administrate it in a long term. Your responsibility will be - 1) Database Architecture 2) APIs Development 3) Supporting the Front End Developer 4) Supporting The Mobile Apps Developer 5) maintain the APIs collection on the Postman 6) Maintain the APIs and Database Model Documentation My Hourly rates are (INR) 800/Hr Max (Including all taxes/Freelancer fee etc..)

Please read the attached document. There is a hidden code in the document. You must include this code when bidding. No code means bid is deleted. Skills: MySQL ReactJS HTML/CSS C#

I'm seeking an experienced fullstack web developer with proficiency in HTML/CSS, JavaScript, RESTful web services, and MySQL to create a website with a minimalist aesthetic. While no specific target audience has been identified, the successful applicant will have the ability to attract and engage a broad range of users with intuitive design and effortless functionality. Key skills and experience needed: * HTML/CSS * JavaScript * web services (REST) * MySQL * Website design with a minimalist aesthetic I am looking for a freelancer who can help me customize existing web based applications and make additions to them. The application already contains similar two forms. Preferred Programming Language: - Javascript, Jquery, Angular 1, C#,css, bootstrap Timeline: - The time...

I'm in need of a web developer skilled in Python Flask. The purpose of my project is to build a web application with specific functionalities. The deliverables for the project are: 1. Flask Backend: - User authentication - Database integration - API development 2. Bootstrap5 Theme Customization: - Layout modification - Integration with Flask backend and MySQL database Ideal candidates with robust experience in Python Flask, layout modification and database integration will provide an immense value to this project. Your expertise would facilitate a smoother workflow and better end product outcome.

I'm in need of a skilled DevOps Engineer who has experience working with Digital Ocean Managed Cluster. I require assistance in setting up the DNS and installing specific services on my cluster. Requirements: - DNS Setup: Since I use Digital Ocean as my DNS provider, I need help integrating my current domain into the system. - Service Installation, I need to install redpanda cluster, too. Even though the operating system wasn't mentioned, I expect you to be able to work with any common OS. Ideal skills required for this job: - Proficiency in DevOps and server management. - Experience with Digital Ocean and their DNS setup. - Strong knowledge of Nginx, Docker, and Kubernetes. - Proficiency in working with various operating systems. If you have the expertise to set u...

I have a php html5 flash js based game for Vesta (Centos 7) panel and a high security installation instruction for ves...game for Vesta (Centos 7) panel and a high security installation instruction for vesta. There are detailed nginx directives, I need a friend who can install / apply them in the plesk panel. So what I need is to fulfill these installation instructions in a way that is suitable for plesk centos 7 and to install the game, to take note of every installation step and adjustments made for plesk while installing the game and to create an installation instruction in accordance with plesk and share it with me. The most suitable candidate: - Expertise in CentOS and general Linux systems. - Experience in game installations on Linux. - Courteous, efficient and effective comm...

We've developed an MS Access database front end with a SQL Server back end. Now we need to install both of these with government agencies in South America whose IT people only speak Spanish. We provide written installation instructions in English. Our clients can only meet the contractor online for server installations during business hours in American time zones. This is periodic work, installing databases whenever clients request them. At present we have six clients in the queue. The applicant must guide and troubleshoot each installation online in fluent Spanish. The successful applicant will have a record of relevant database work. We're a university-based not-for-profit.

Tengo un ERP desarrollado en Vbasic 6.0, necesito un desarrollo complementario que permita tomar el xml generado por el ERP y que termine el proceso. Ademas necesito que la aplicacion pueda ser accesada por un movil android y generar Guias de Despacho, las cuales deben llegar al ERP con base de datos en MYSQL