Wordpress issue varnish trabalhos

Preciso de um profissional em Magento 2.4 para instalar e configurar o Varnish + Nginx + SSL na minha loja.

Somos o Hub do Investidor, um app completo para os investidores de varejo. Dentro do app temos uma sessão de notícias que nesse momento precisamos dar um upgrade na velocidade de geração, conectando links de RSS dos grandes portais de notícias com o nosso app. Procuramos um desenvolvedor de Ruby (backend) para esse issue. Já contamos com um front dev (React Native), bem como as estruturas de dev ops em AWS e Heroku. Temos pressa no projeto! aguardo seu contato.

..."loadByAttribute" is not working correctly. It works for some SKU's and doesn't work for others, most of the time it is working. Some research on: shows that it may be a caching issue. 2) Magent 2 API creation of the product is creating the product in two different story views. It should create in only one. I just need to be sure that this is a API restriction or not. My budget is of 60 USD for each issue, but if issue number 2 doesn't need correction since it is the way the API works than I will pay only 10 USD for consultancy (bear in mind that I'll need explanation to accept it). For support operation I have 1000 USD for which I intent to get some hours of support. If the support is not needed

...you to enter an access code and compare it with a list of authorized codes for access to a placeholder. The code to be entered and the pre-existing ones must have 4 integers.   The program should: Have a list of 25 codes with the following information: ID, access code, username and access level; Issue the following messages: When access is not authorized, issue a message informing the non-authorization and recording the date and time of attempted access; When access is authorized, issue an authorization message and record the access date and time, ID, the user name and access level. After three failed attempts inform the user that the session will be terminated because it has exceeded the maximum number of attempts allowed. Have two levels of access, n...

Development in PhoneGap We have a delivery control application we need to improve to make it work offline and also improve the issue of displacement control (GPS) such as speed control and other improvements We need the following points: 1) Make the application work offline 2) Improve GPS shift control (speed, vehicle position with better accuracy) 3) Each driver receives several deliveries during the day We need to put a button in the APP starting the delivery day 4) We need to put a button to add events that can happen during the day, such as: Start Lunch, End of Lunch, Vehicle Repair The idea is to create a table of event types and that the driver chooses when to start / end the event 5) Workday Control. The Driver would be limited within the working hours, n...

Procuro desenvolvedor para um freela simples: Tenho um Droplet na DigitalOcean com Ubuntu 16.04 rodando com o meu servidor Apache. Esse droplet é uma API que roda Slim Framework + Doctrine para servir meu aplicativo Android. Preciso de um desenvevedor Freela para implementar o Nginx como meio de campo entre o Apache e o Varnish, já que o Varnish não funciona com HTTPS (SSL). Obrigado!

I would like a system that would have the following characteristics a back-up system (where the products wo...Automatic Backup Frente de Caixa ==> Emissão de Cupom Fiscal(ECF) e NFC-e ==> Transferência eletrônica de Fundos (TEF) ==> Compatível com várias marcas de Impressoras Fiscais ==> Entrada por Código de Barras ou Teclado ==> CPF/CNPJ do consumidor no cupom ==> Atende a Legislação vigente ==> Baixa de Estoque ==> Terminal de Consulta de Preços Boxfront ==> Fiscal Coupon Issue (ECF) and NFC-e ==> Electronic Funds Transfer (EFT) ==> Compatible with various brands of Fiscal Printers ==> Input by Bar Code or Keyboard ==> CPF / CNPJ of the cons...

...tarefas são no mínimo as seguintes: - instalar e configurar o web site migrado (em prestashop 1.6.1.11) com todos os módulos e configurações existentes, nomeadamente traduções, BD clientes e compras, etc; instalar e configurar servidor de email, zona DNS, certificado SSL "lets encript" e optimizar a base de dados existente do prestashop; - Configurar PHP 7 + apache + nginx + memcached / varnish cache + cloudflare (free account); - No prestashop: configurar multiloja para trabalhar com 2 lojas em 2 dominios diferentes; ambas as lojas terão mais do que uma língua; - Configurar todos os componenentes necessários para uma velocidade de abertura de página inferior a 3 seg. Todas ...

Tenho um sistema online ele está hosp...sistema online ele está hospedado no Jelastic da LocaWeb. A minha necessidade especifica é sobre o Varnish, o Varnish já está instalado e a navegação do meu site já está passando por ele, mas eu gostaria que ele fizesse a principal operação dele que é o cacheamento dos arquivos estáticos! Tem q configurar o arquivo e varnish. O meu site não usa https, o usuário pode fazer a navegação no site sem problemas, mas para entrar no sistema ele tem que fazer o login. Então o Varnish tem que fazer o cacheamento dos arquivos estáticos do site e do sistema. Atualmente todas as minhas paginas s&atil...

Estamos precisando ajustar algumas regras em nosso varnish para isto conto com profissionais mais experientes que possam nos auxiliar nesta tarefa.

Na verdade tenho VPS Godaddy com servidor Apache e PHP5 rodando algumas aplicações como Magento, Mail Server etc. Por tras disso, um e-commerce de roupa intima. Preciso de alguem com experiência em direcionar um servidor Nginx apenas para conteúdo Statico ou total. De preferencia alguem com conhecimento da aplicação Magento e performance em banco de dados SQL. Com cache via proxy usando Varnish. É a solução que procuro e nao tenho tempo para estudos e testes no momento. A mudança teria que ser rápida e objetiva, funcional claro. Para quem sabe, Magento é uma aplicação de uso emergente de servidor Nginx mas me aventurei num Apache e tive péssimos resultados. Aguardo candidatos. Obr...

Desarrolladores symfony con experiencia en frontend y backend y conocimi...en frontend y backend y conocimientos en :<br /><br />-Nociones claras de API RESTful<br />-PHP: <br />*Symfony 2 / silex / SLIM<br />*Doctrine<br />*Composer<br />*Zend Framework<br />-Bases de datos<br />*Conocimiento avanzado sobre MySQL<br />-Optimización de consultas en MySQL<br />-Motores MyISAM / InnoDB<br />*Sistemas NoSQL MongoDB / Hadoop<br />*Redis / Memcached<br />-Apache / Nginx / Varnish<br />*Rewriting / htaccess<br />-Javascript:<br />*NPM / NodeJS <br />*Express<br />* Gulp / Grunt<br />-Conocimientos de HTTP2, websockets, AMQP<br />-Experiencia en des...

Preciso configurar um server na AWS rodando Nginx,PHP-FPM, Mysql, Wordpress MU (7 instalações),  Varnish cache e ainda no mesmo servidor pretendo rodar o zabbix 3.0, preciso ainda configurar 3 instalações do owncloud neste mesmo servidor, o que exigirá a configuração de um EBS para onde dos backups serão destinados.

O projeto consiste em desenvolver um software que fará o cadastro de prestadores de serviços de transporte de passageiros. Em anexo, mockups das telas que ...prestadores de serviços de transporte de passageiros. Em anexo, mockups das telas que preciso que sejam desenvolvidas. O projeto deve ser necessáriamente desenvolvido em Java 8 + REST + Hibernate + MySQL na parte server e AngularJS 2 + JQuery 2.2 + Twitter Bootstrap 3 na parte client. O pagamento do projeto estará condicionado a atender a estes requisitos acima, além de não possuir nenhuma issue Alta ou Muito alta, de acordo com as métricas do Sonar (tenho um solar em um ambiente local). O código fonte deverá ser entregue através de um repo...

Precisamos instalar o Módulo Varnish no Magento e configurar ele no servidor, já tentamos algumas vezes mas sempre da problema em form_keys e acaba dando erros como não adicionar ao carrinho, enviar para páginas que não estão corretas, tem vários problemas assim no GitHub que exemplificam como corrigir. É preciso entregar a loja em perfeito funcionamento.

+4 años de experiencia <br /><br />2 años experiencia en servidores de alto trafico <br /><br />Experto en LAMP<br /><br />Manejo de GIT<br /><br />Integración continua<br /><br />Mejoras de rendimiento en bases de datos<br /><br />Autodidacta <br /><br />Capacidad analítica <br /><br />Interesado en avances tecnol.../><br />Experto en LAMP<br /><br />Manejo de GIT<br /><br />Integración continua<br /><br />Mejoras de rendimiento en bases de datos<br /><br />Autodidacta <br /><br />Capacidad analítica <br /><br />Interesado en avances tecnol&oac...

O projeto consiste em configurar nosso cPanel com Nginx, Varnish e Litespeed. O server será utilizado para hospedar lojas Magento, sites Joomla e blogs Wordpress. Configurações adicionais: 1. Backup diário com 10 dias de retenção na Amazon S3. 2. Firewall, atualmente usamos cPHulk Brute Force Protection 3. PHP 5.x e classes necessárias para rodar Magento 1.9.2, Joomla 3.x e WP 4.x  

...The CPU usage by MySql reaches to 70% at times. I can only leave a little stable server leaving the site in maintenance, otherwise it is impossible to navigation I contacted my hosting server and received the following information: Those PHP processes are caused by your site files/scripts running. The way to resolve this issue is to optimize the code, and check all the php code to make sure it is closing properly etc. This is a site development issue and is out of our scope to assist you with. Because there are so many of the php processes, they are raising the load of the server, which makes it slower to respond. This is also the reason for slowness on your websites. My site is Olá, Recentemente contratei um freelancer para fazer a migra&...

...The CPU usage by MySql reaches to 70% at times. I can only leave a little stable server leaving the site in maintenance, otherwise it is impossible to navigation I contacted my hosting server and received the following information: Those PHP processes are caused by your site files/scripts running. The way to resolve this issue is to optimize the code, and check all the php code to make sure it is closing properly etc. This is a site development issue and is out of our scope to assist you with. Because there are so many of the php processes, they are raising the load of the server, which makes it slower to respond. This is also the reason for slowness on your websites. My site is Olá, Recentemente contratei um freelancer para fazer a migra&...

ZenCart Issue as discussed

eu somente consigo instalar e configurar o varnish apenas para um domínio gostaria de configurar para vários domínios no mesmo servidor. poderia usar junto com o magento o turpentine ou page cache ou se tiver uma outra melhor soluçã contato

as discussed, as discussed, as discussed, as discussed, as discussed, as discussed, as discussed, as discussed, as discussed, as discussed, as discussed, as discussed, as discussed,

...momento tenho 2 lojas magento com mais de 500 produtos cada e em crescimento todos os dias + 1 wordpress e projectados para fazer pelo menos mais 3 wordpress + 1 prestashop/magento. Segui entre outros o tutorial com e sem o ispconfig que é um painel tipo Cpanel mas achei complicado configurar pelo painel e numa segunda tentativa já não usei o painel, testei também outros free mas nenhum tem a facilidade do Cpanel. juntei estas configurações para tirar a melhor performance possível das paginas Magento mas apareceram sempre problemas que não sabia resolver. Uma vez que não tenho ip fixo para

Configuração de servidor dedicado Centos 6.4 com: Nginx, PHP-FPM, APC, MySQL, Varnish, Iptables, Bind para migração de blogs WordPress e sites.

I'm having trouble with the Apple Pay token not returning correctly within my Ionic application on iOS. It seems to be a recurring issue and I need an experienced developer to come in and fix the problem. This is my code googleApplePay() { var totale = (); ["ApplePayGooglePay"].canMakePayments((r) => { var request: any; if(('android')) { request = { merchantId: , purpose: "Pagamento per l'ordine di ForToGo #" + , amount: totale, countryCode: "IT", currencyCode: "EUR", gateway: "stripe", gpMerchantName: "ForToGo", gpMerchantId: "BCR2DN4TYSRJ332I" };

... On 16th April got a warning from Amazon for patent infringement, upon learning about the potential infringement, I immediately on 16th April deleted the listing and submitted an explanation to Amazon, stating that as a new seller, I was unaware of the violation and took prompt action to rectify the situation. Subsequently, Amazon removed the warning from my seller account, and I believed the issue had been resolved. However, on April 26th, I received an email from the United States District Court about a lawsuit filed by XXX for patent infringement. The court instructed me to hire a lawyer and submit my response within 21 days. As a small seller, I am deeply troubled by this legal challenge and feel overwhelmed by the prospect of navigating it alone. Experience in similar cas...

I am looking for technical help to address and solve a persistent connection error that occurs on my Android device - a smartphone. The primary issue lies in the fact that the phone fails to establish a successful connection to the server. The nature of the server is slightly ambiguous as I'm not quite sure. • Requirements: - Experience with Android systems - Deep understanding and expertise in server connection dynamics - Ability to accurately diagnose and resolve server connection issues • The immediate task is to: - Identify why my smartphone cannot connect to the server - Implement a foolproof solution that will ensure a smooth and reliable connection in the future. Skill in android development, networks, and problem-solving will be beneficial for this ...

I am looking for technical help to address and solve a persistent connection error that occurs on my Android device - a smartphone. The primary issue lies in the fact that the phone fails to establish a successful connection to the server. The nature of the server is slightly ambiguous as I'm not quite sure. • Requirements: - Experience with Android systems - Deep understanding and expertise in server connection dynamics - Ability to accurately diagnose and resolve server connection issues • The immediate task is to: - Identify why my smartphone cannot connect to the server - Implement a foolproof solution that will ensure a smooth and reliable connection in the future. Skill in android development, networks, and problem-solving will be beneficial for this ...

We are looking for an experienced electrical engineer to assist us in solve this issue an Electrical Single Line Diagram (SLD) for a Photovoltaic field with a capacity of 2.8 MW. "The single-line diagram lacks all the part related to the MT side protection systems (DG+SPG, DDI+SPI, backup system, etc.) as per CEI 0-16 standard." additionally they tell me this: Additionally, considering that the distribution network voltage in Umbria is at 20 kV, there is a transformer power limit of 2000 kVA with Vcc at 6%. In fact, CEI 0-16 standard states that 'The user must not install transformer sections exceeding this power threshold; except for cases of larger sizes provided that, due to the impedances between the connection point and the LV side of the transformers (MT user l...

I'm seeking a Jira expert to help with various aspects of our Jira platform. Although I'm not sure about the specific version we are us...processes. - User permissions setup: Our current user permissions need to be reviewed and adjusted. We need a clear, secure and logical system in place. - Configuration of issue types and fields: We require the creation and configuration of new issue types and fields to better fit with our project management needs. Ideal candidates will have extensive experience with Jira administration, particularly for larger teams. It's important to have a strong understanding of Jira's capabilities and how to tailor them to specific business requirements. A proven track record in workflow customization, user permissions management, ...

I've developed a webpage using HTML, CSS, and JavaScript. While it functions perfectly on my local machine, I encounter issues once I upload it to the server. The server in question is hosted on Hostinger. I'm unsure if any changes have been made to the server configuration file. Key Points: - Troubleshoot the server upload issue - Resolve discrepancies between local and online versions - Clarify if server configuration files have been altered - Ensure the webpage functions as intended on the server Ideal Freelancer: - Experienced in HTML, CSS, and JavaScript - Proficient in server hosting with Hostinger - Skilled in server configuration file troubleshooting - Capable of identifying and correcting server-side programming discrepancies I'm seeking a professional wh...

I'm seeking a skilled developer to resolve a CORS issue that's hindering access to my ASP.NET Core 7.0 API from a different subdomain. This issue is affecting the browsing experience of users on Google Chrome and Microsoft Edge. I need this issue addressed urgently, ideally within the next 24 hours. Requirements: - Expertise in ASP.NET Core 7.0 and CORS-related issues - Ability to quickly identify and implement a solution for subdomain access - Experience with ensuring cross-browser compatibility, with a specific focus on Google Chrome and Microsoft Edge.

Hi. As per our conversation i would like to hire you to fix the issue I have with FB app posting to FB group.

As the developer of an automatic leaf infection identifier, I am in need of a skilled and experienced Python developer to assist me in resolving a critical bug that is leading to inc...rectifying issues in automated systems - Familiarity with leaf infection detection systems is a plus The successful candidate will be responsible for: - Conducting a thorough assessment of the existing codebase - Identifying the root cause of the incorrect identification of infections - Developing and implementing a robust solution to rectify the bug - Conducting extensive testing to ensure that the issue has been resolved satisfactorily This is a critical project that requires prompt attention. The integrity of the system, as well as the trust of our users, is at stake. A quick turnaround time is ...

I am running an App Campaign on Meta and I want to redirect users on a specif screen based on ads they click, so I want a deferred value. I have implemented FacebookSdk and using this function '' but always getting null. For DDL, I tried entering URL, Custom Schema and DDL from a third party but nothing worked out. Note: You don't need to implement it, I jus...ads they click, so I want a deferred value. I have implemented FacebookSdk and using this function '' but always getting null. For DDL, I tried entering URL, Custom Schema and DDL from a third party but nothing worked out. Note: You don't need to implement it, I just need your assistance in implementing if you have any prior experience working with the same issue.

I'm having email sending issues with WHM and cPanel due to the HELO_NO_DOMAIN error. My primary goal is to ensure proper email authentication and prevent emails from being marked as spam. I'm also looking for help troubleshooting this issue. Ideal Skills and Experience: - Expertise in WHM and cPanel - In-depth knowledge of email delivery systems - Experience with email authentication protocols - Ability to troubleshoot HELO_NO_DOMAIN error - Familiarity with spam prevention tactics - Previous experience in resolving similar issues

I'm seeking an experienced WooCommerce developer to correct a thumbnail issue on my category page. Key Issues: - Thumbnails not displaying in the correct size: Currently, the newly added thumbnails appear in a 1:1 aspect ratio. I need all thumbnails to display in a uniform landscape format (4:3 aspect ratio). - Existing thumbnails are appearing stretched: I require these to be resized and displayed correctly. Ideal Candidate: - Proven experience with WooCommerce and WordPress. - Strong understanding of CSS and HTML. - Previous experience in troubleshooting and resolving similar issues with thumbnails in a WooCommerce environment. Your role will involve: - Identifying the root cause of the issue. - Implementing a solution that ensures all thumbnails on the categ...

Hello Team, I have a nodejs (ExpressJs) app which is running on 3000 port on AWS EC2 ubuntu server, I want to implement the load balancing in the app so that my app can utilize the available cores of the CPU, I have two vcpu in my virtual machine. The app involved realtime communication usng , this is working fine when I use pm2 without cluster mode. But when I start the pm2 in clu...working fine when I use pm2 without cluster mode. But when I start the pm2 in cluster mode then my connection doesnt work and sometime it work and soemtime it doesnt work. I need a person who have done this implementation befoe so that work fine with pm2 cluster mode. I will not be able to provide you the code however you can guide me or take the remote access to solve this issue.

As I am currently struggling with an overflow scroll issue on my website, I am actively seeking a web developer well versed in CSS, particularly with experience in addressing overflow scroll issues. Unfortunately, the issue isn't restricted to a specific browser, nor is it a particular element or section of the website that is affected. This indicates that the issue is most likely rooted in the overall CSS. Critical Skills and Experience: - Expertise in CSS, particularly in diagnosing and resolving overflow scroll issues - Ability to troubleshoot across all major browsers - Proactive, with an organized and methodical approach to problem-solving Application Requirements: Although you have the flexibility to decide what to include in your application, showcasi...

...Excel who is capable of working with a lot of date math in formulas. You need to work on a working model template. NOTE: Do not apply if you are not genuinely capable of working with complex models. I am looking for help because I'm busy, not because I'm not capable! I make huge financial model templates on topics people don't model. I made a model on "ESOP" (Ownership structures for startups). ISSUE A client input dates in a way I didn't test and I realized I built in circular references I wasn't aware of. TASK Remove circular references (Need to change logic a bit to do it, which is not simple) Ideally break test to see how I messed up date math when dates are similar so won't be issues with input assumptions APPLICATION Apply with 2...

I'm in need of a Laravel expert who's proficient in AWS EC2 for resolving hosting issues. I hosting Laravel with CI/CD from github with docker I hosted Laravel project that I purchased from zcart market place - incevio But if I try to upload avatar in profile page it gives us below issue: "webp formart is not supported" Who can fix ?

I'm in need of a freelancer to assist in creating my document templates and request forms. Key tasks: - Stand up your own Confluence and JIRA SM sites (free for 30 days) - Create process templates (Confluence), ensuring their accuracy and alignment with my requirements for internal processes for my SaaS product. - Create request forms (JIRA SM), with man...Experience: - Proficient in process document, checklist, and forms creation. - Ability to use Google, ChatGPT (or other generative AI) to search and create baseline content. - Experience with Confluence and JIRA Service Management. - Any experience with SDLC, ISO27001, incident response. - Excellent attention to detail. Your work will be crucial in ensuring the efficacy of my DevOps processes and issue tracking for my clou...

I'm facing an issue with my PHP website, as of now works well in localhost wherein some data is missing when upload to hosting server - Debugging the current PHP code version issue to identify and fix issues with data missing or malfunctioning on the customized work page. - Modifying the existing PHP code as part of the website design customization. A portfolio showcasing similar projects where you identified and fixed issues within PHP websites would be highly beneficial for this project.

...in Singapore as the content will have a local focus. - The primary task is to help me research 5*5 products-brands for the Blog post about consumer protection, honing in on the theme of misleading advertising. - The tone of the text should be critical and investigative, aiming to inform and engage the readers. Ideal Skills and Experience: - An understanding of consumer protection and the issue of misleading advertising. - Strong research skills to delve into the topic and present accurate data. - Familiarity with the Singaporean grocery sector and consumer protection laws is a plus. - Women who have infant babies are ideal for this project. - Around 20-25 hours availability during this weekend is ideal. This is an excellent opportunity for a Singapore-based Researcher/Anal...

I have a simple one page website at that has three bugs: 1) The footer's ...website at that has three bugs: 1) The footer's color is not working. The CSS attempts to set the footer color, but it shows up as white all the time. Could be a html tag issue or a css issue. 2) The Dark Mode / Light Mode selector in the footer mostly works, but the CSS based animation of the toggle switch no longer works. This stopped working the same time bug number one appeared, so they are probably the same bug. 3) Clicking the Dark Mode / Light Mode selector does not always update the cat gif image. Sometimes it works, sometimes it doesn't work. Probably a JS issue. I would like to get these three bugs fixed now. Please only bid if you can fix these right now.

I'm experiencing a critical issue with the Let's Encrypt SSL on my WHM server; it's not performing accurately on my website. I'm running Alma Linux and WHM Cpanel on my current server. It was working a few days ago but suddenly stopped working so I think the autorenew wasn't set up correctly. Note we are NOT using for SSL installation This is an immediate need and bidding freelancers should be prepared to start work as soon as possible. Necessary skills and experience: - Proven experience with Let's Encrypt SSL - Proficiency in WHM server management - Strong knowledge of Alma Linux - Ability to troubleshoot and resolve this issue promptly I'm looking for an experienced system admin who can swiftly diagnose and resolve this SSL iss...

I'm looking for a proficient Chrome Extension Developer to assist with my Google Images Downloader extension. I'm encountering two primary issues with the extension; it's failing to download images and images are not loading correctly. Key Tasks: - Fix the issue causing the extension to be unable to download images - Resolve the problem with images not loading properly - Identify the specific changes in Google's image classes and div elements that caused the extension malfunction. - Modify the extension code accordingly to adapt to these changes and ensure compatibility with the latest Google Images layout. Please note that I've already attempted to reinstall the extension in Google Chrome, but this hasn't resolved the issues. Ideal skills & exp...

I have a virtual private server (VPS) running on Linux which is experiencing high CPU usage. This is bogging down the performance of the system and creating a productivity bottleneck. Job ...the system - Establish measures for consistent monitoring and preventive maintenance Ideal skills: - Expertise in Linux server management - Proficiency in performance optimization strategies - Experience in IT troubleshooting and problem-solving - Knowledge of server security strategies - High attention to detail If you have the necessary skills and experience to resolve this server speed issue, I invite you to submit your proposal. Your bid should include a brief explanation of your approach and a time estimate for the conversion. We value open communication, reliability, and respect of ...

I'm having trouble with my WordPress site. After installing some plugins (Elementor, Travel Engine), my site crashes frequently. Furthermore, my installed theme isn't displaying as it should in the main content area. I'm using the free version of Elementor. I need a professional who can: - Identify and solve the site crashing issue after plugin installation - Fix theme display problems, especially focusing on the main content area Ideal candidates should have experience with WordPress, Elementor and Travel Engine, and be proficient in troubleshooting and theme adjustment. Past experience in fixing similar issues would be a bonus.

I am currently experiencing failure in MariaDB replication and need an expert to troubleshoot and resolve this issue. Despite attempting to restart the server, the problem persists. Key Considerations: - The issue at hand is specifically in the realm of failed replication. - I have engaged with server restart as a potential solution but without success. Your Expertise: - Proficient in MariaDB 10.3 (The version I am currently using) - In-depth knowledge of MariaDB replication and diagnosing replication failures. - Ability to review server logs and configuration files for error detection and solution implementation. Though not mandatory, previous experience in addressing similar issues will be highly valued. You would be expected to diagnose the problem and suggest/ impl...