Linux ftp error trappingроботи

Install graphics XRDP Add 4 users Install Google Chrome, Viber, Telegram, WhatsApp Price: $30 -- $50

...тестування ПЗ. • Супроводження процесу впровадження. Вимоги: • Досвід роботи – від 2-х років. • C++11, STL, GCC/CLang, GDB/LLDB, GNU Make, CMake, Bash. • Знання STL — контейнерів та алгоритмів. • Знання файлового вводу/виводу у стандарті POSIX. • Знання POSIX Threads —нитки, м’ютекси, умовні змінні. • Вміння користуватися системою контроля версій Git. • Вміння користуватися командним рядком Linux. • Реляциійні БД, SQL. • Основи функціонування комп’ютерних мереж, протоколи TCP и HTTP. Знання HTTP/1.1. Знанння архитектури REST. • Багатопоточність. Буде плюсом: • C++14, 17, 20. • Qt. • Boost. • Засоби статичного і и динамічного анализа коду (cppcheck, clang-tidy, clazy, v...

Привіт Андрій, шукаю програміста який напише програму на Linux з задіянням плати Arduino для купюроприймача та монетоприймача. Основне завдання програми це відображення та друк файлів doc, pdf, jpeg з флеш накопичувача, сканування та копіювання з задіянням сканера. Програма потрібна для терміналу самообслуговування (аналог програми: ). Повне ТЗ в мене на руках. Дизайн програми ще розробляю.

Є виділений сервер Hetzner з одним інтерфейсом та 3 додаткові IP адреси. На сервері встановлено Proxmox з віртуальними машинами. На одній віртуальній машині встановлено pfSense (Virtual Machines), який виступає в якості шлюзу. Через нього проходить трафік до інших віртуальних машин. Дві віртуальні машини (на Linux Container) використовують виділені IP, інші користуються IP адресою машини, на якій встановлено pfSense. Необхідно запропонувати найбільш продуктивну схему роботи мережі та налаштувати її. Зараз на сервері Proxmox налаштовано vmbr0 (із зовнішнім IP) на enp4s0 та vmbr1 (локальна мережа ). В результаті повинно бути: 1) дві віртуальні машини використовували власну IP (для вихідного та вхідного трафіку). Це веб-сервери, на яких розміщуються сайти; 2) інші віртуальні машини

...роботі з деякими pop3/imap серверами за допомогою fetchmail час від часу виникає помилка, наприклад: fetchmail: Unknown login or authentication error on user@server fetchmail: socket error while fetching from user@server При цьому логін/пароль вірний, так як через декілька спроб запит виконується успішно. Завдання - написати скрипт, котрий буде відстежувати помилки вказані вище, засинати на певну кількість секунд і пробувати знову. На початку скрипту повинні бути налаштування: 1) кількість спроб 2) час очікування між спробами 3) перелік типів помилок, які повинні бути відстежені за текстом помилки для виконання наступних спроб, наприклад %socket error while fetching from% 4) перелік exit codes (вказані в man fetchmail), які повинні бути відстежені за номером к...

Потрібна допомога у розробці простого драйвера під Linux (Ubuntu/Mint) Функціонал драйвера - простий Призначення - продемонструвати роботу драйвера на захисті курсової роботи

Потрібна допомога у створенні просто драйвера під Linux (курсовий проект)

I'm in need of a Linux expert, specifically experienced in system administration and software installation and updates on Ubuntu distribution. The duties are as follows: - Be proficient in system administration. - Handle installation and updates of software. Familiarity with Ubuntu is a must. The ideal bidder should be skilled and have significant practical knowledge in Ubuntu Linux system administration and software management. This task requires a professional who can provide efficient, reliable solutions and help maintain our Linux system.

...twice an hour. The folder named 'C:UsersKALAVANIDownloadsVideo3' is low priority and should be played once an hour. Videos should be picked randomly from each folder, but every video should be played according to the priority basis mentioned above. The maximum duration for an ad is upto 4 minutes. After the ad finishes, the normal broadcast can continue. To monitor errors, create a separate error log with timestamps. Any errors can be monitored at this location: 'C:UsersKALAVANIDesktopabi-py'. For monitoring played video ads, create a separate video ads log that includes the video name, the number of times it's played, and the date and time that the video was played. Store this data in 'C:UsersKALAVANIDesktopabi-py'. Ideal skil...

...configuration of both Windows and Linux Systems. An awareness of Compliance Configuration for Windows and Compliance Setup for Linux is essential. Key Responsibilities: - Configure compliance options on my Windows systems to meet my business needs - Setup compliance settings on my Linux systems to ensure optimal system performance Specific skills needed include: - Extensive knowledge of compliance configuration for Windows systems - Comprehensive understanding of compliance setup for Linux Systems - Proven ability to configure both Windows and Linux systems effectively Previous experience in systems engineering and configuration is key to doing well in this task. I am interested in freelancers who have a thorough understanding of how both Windows...

I'm looking for a skilled data entry freelancer to help me with the entry of text data from digital files. The entered data will be utilized for analysis purposes. Key Responsibilities: - Transferring text data accurately from digital files into a specified format - Ensuring the data is entered completely and error-free - Maintaining data confidentiality and security The ideal candidate for this project: - Has a proven track record in data entry, specifically with text data - Is meticulous and detail-oriented, with strong organizational skills - Has the ability to handle potentially repetitive tasks with accuracy and efficiency - Understands the importance of data confidentiality and is committed to upholding it Your successful completion of this project will greatly assist...

I am seeking a skilled data miner for a project involving business data extraction from the Yellow Pages. Specifically, I am interested in the category of 'Equipment Hire in Australia'. The scope of the data to be extracted includes: - Business Names - Phone Numbers - Physical Addresses - Email Addresses This project would be ideal for...Names - Phone Numbers - Physical Addresses - Email Addresses This project would be ideal for freelancers who have experience in data mining, data extraction, scraping Yellow Pages, and processing information through Python, R, or a similar language. Knowledge of the business environment in Australia would be a plus. Please note that accuracy is paramount; I need the completed dataset to be as error-free as possible. Looking forward to ...

I am in need of a skilled certified translator who can translate 5 certificates from Spanish to English and from 3 Portuguese to English. Key Requirements: - Language proficiency: You should be a native Span...speaker and Portuguese speaker or have highly advanced proficiency in the language, with a strong grasp of English as well. - Certification: Prior experience in translating certificates, diplomas, or any other official documents is highly preferable. He/She should be able to certified the translation for USCIS, NVC (Inmigration) - Attention to detail: The translated content should be accurate, error-free and maintain the original format. If you have the necessary skills and experience, please provide a sample of your previous translation work and a competitive quote for thi...

I'm currently on the lookout for a specialist in COMSOL simulations, with profound understanding and experience, particularly in the field of biomedical applications of microneedles. The aim is to correct and resolve issues pertaining to the fi...existing files and rectifying the errors. - Accurately simulating the microneedle's interaction with the skin. Requirements for this project: - Extensive experience with COMSOL simulation software. - Detailed knowledge in biomedical engineering, particularly microneedles. - Ability to accurately simulate physical interactions and provide relevant results. The primary outcome of this project is an error-free file that correctly simulates the microneedle and skin interaction, providing beneficial data that can further aid in biom...

I require a skilled expert to install and configure CloudFlare on my IPTV server, with a focus on enabling the DDOS Protection feature. Requirements: - Expertise with handling and setting up CloudFlare, particularly in DDOS Protection - Proficiency in working with standalone Linux servers - Should have prior experience with IPTV server setups The successful completion of this project involves: - Correct installation of CloudFlare on Linux IPTV server - Proper configuration of CloudFlare’s DDOS Protection feature Please ensure that your bid includes your understanding and approach towards achieving these goals. Thank you very much.

I'm experiencing an urgent situation with my Google business account. Every time I try to upload product images, they are being rejected by Google but I'm not receiving any specific reason or error message. I need help to resolve this issue immediately. Ideal skills and experience for this job include: - Experience working with Google business profiles and photo uploading - Familiarity with common issues related to image rejections - Ability to troubleshoot and resolve technical issues quickly and efficiently I would appreciate it if this could be resolved as soon as possible. Thank you.

We're in search of a highly versatile .NET developer for our undisclosed project. While we haven't stated specific skills or project type, candidates should have: - Broad knowledge in .NET and its most popular programming languages (i.e., C# progra...for our undisclosed project. While we haven't stated specific skills or project type, candidates should have: - Broad knowledge in .NET and its most popular programming languages (i.e., C# programming, ASP.NET development, and SQL database) - Experience in various .NET projects (i.e., web and desktop applications, as well as enhancement of existing .NET applications) - Proficiency in Windows, Linux, and Mac development platforms Your flexibility and adaptability are our key considerations as project specifics will be d...

Error establishing a database connection This either means that the username and password information in your file is incorrect or that contact with the database server at localhost could not be established. This could mean your host’s database server is down. Are you sure you have the correct username and password? Are you sure you have typed the correct hostname? Are you sure the database server is running? If you are unsure what these terms mean you should probably contact your host. If you still need help you can always visit the WordPress support forums.

I need an expert to assist in configuring a Linux VPS. The main purpose of this server is for database management specifically using MySQL. Key Tasks: - Configure a Linux (Ubuntu) VPS with optimal settings for database management. - Install MySQL and ensure it's fully functional. - Implement necessary security measures to safeguard the server and database. - Documentation of the process and any configurations made. The ideal freelancer for this project should have: - Proficiency in Linux (Ubuntu) server configuration. - Advanced knowledge of MySQL and its management. - Proven experience in setting up servers for database management. - Capable of implementing robust security measures to safeguard the server and database. - Ability to provide clear documentati...

you need to do the following : -fix elementor not loading problem when clicking on "edit with elementor" -you need to import the demo pages that came with the theme, because it gives "demo import error"

I'm looking for a professional who can assist me in analyzing PCAPNG files. The two main aspects I'm interested in are network traffic analysis and packet filtering. Key Responsibilities: - **Network Traffic Analysis:** The professional will need to thoroughly analyze the network traffic recorded in the PCAPNG files. This analysis should be aimed at optim...and packet structures - Hands-on experience with PCAPNG file analysis - Proficiency in network traffic analysis and packet filtering - Strong problem-solving and troubleshooting skills - Familiarity with network performance optimization and security enhancement techniques While the target operating system for this analysis has not been specified, a general familiarity with Windows, macOS, and Linux operating systems ...

We're in search of a highly versatile .NET developer for our undisclosed project. While we haven't stated specific skills or project type, candidates should have: - Broad knowledge in .NET and its most popular programming languages (i.e., C# progra...for our undisclosed project. While we haven't stated specific skills or project type, candidates should have: - Broad knowledge in .NET and its most popular programming languages (i.e., C# programming, ASP.NET development, and SQL database) - Experience in various .NET projects (i.e., web and desktop applications, as well as enhancement of existing .NET applications) - Proficiency in Windows, Linux, and Mac development platforms Your flexibility and adaptability are our key considerations as project specifics will be d...

We operate a Google Sheet that fetches information from another spreadsheet identified in cell C1. Users mark checkboxes in Row A and click "Build Documents." When a user picks multiple checkboxes to generate documents, the Google Script halts after 300 seconds due to an overload. The objective is to devise a systematic workaround to finish processing the document batch without additional manual intervention. For example, here's a replica of the spreadsheet you can use to test your code. The documents created all appear here: Then deploy the working code to the Original spreadsheet. All bids are final.

I'm looking for a seasoned server administrator to set up a dedicated server for container-based provisioning. My web application will be a JavaScript library-based app, such as Node, , or React. Key requirements: - Proficient in Linux server administration, as the operating system is not yet defined. - Experience with container platforms like Docker or Kubernetes since I'm yet to determine my preference. Operating System: You can use Ubuntu Server, CentOS, or any other Linux distribution of your choice. Web Server: Nginx or Apache HTTP Server. Git: Version control system to manage your website's source code. Node.js: If you're hosting static sites or using JavaScript-based build tools. Let's Encrypt: For SSL/TLS certificates to secure your we...

The ads folders are stored in the folder of 'C:UsersK...twice an hour. The folder named 'C:UsersKALAVANIDownloadsVideo3' is low priority and should be played once an hour. Videos should be picked randomly from each folder, but every video should be played according to the priority basis mentioned above. The maximum duration for an ad is upto 4 minutes. After the ad finishes, the normal broadcast can continue. To monitor errors, create a separate error log with timestamps. Any errors can be monitored at this location: 'C:UsersKALAVANIDesktopabi-py'. For monitoring played video ads, create a separate video ads log that includes the video name, the number of times it's played, and the date and time that the video was played. Store this dat...

I'm seeking a skilled developer with Drupal experience to enhance the functionality of the Node by Email module. The specific improvements required are: Original Function ...let me know before you start. The ideal candidate for this project will have: - Proficiency in Drupal and significant experience working on similar projects. - A strong understanding of email parsing and data handling. - Strong communication skills to ensure a clear understanding of the required changes and their implementation. - Attention to detail and a commitment to producing high quality, error-free work. - The ability to work independently and to meet project deadlines. If you are confident in your Drupal skills and have a proven track record of enhancing the functionality of modules, I'd lo...

I need a skilled mobile app developer to troubleshoot performance issues and crashes my app is experiencing. Your job will include: 1. Debugging and Fixing App Crashes: - The app is crashing and displays various error messages. Understanding this behavior across different devices will be necessary in developing a solution. 2. Improving App Performance: - The app is showing signs of slow performance such as lagging, load time delays, and slow response. Optimization of these issues for a smoother user experience will be crucial. 3. User Interface Enhancement: - Address some user interface issues, this could be linked to current performance glitches. 4. Uploading the Refined App: - Once all issues are addressed, you will need to upload the updated and optimized app t...

Developer who can fix one by one Work with ftp only. Only 3 issues to fix.

data base design (model, sql) 590 laravel auth customized for phone (ALMOST DONE) 2360 Referral logic 2360 referral page register configuration Event Script (creates new even every 3 min will be a cron job for linux) 3540 Additional Pages 2478 { withdrawal page 708 Account details 472 Recharge page 708 Contact us page 826 } Betting Page 4720 includes the following { time and result feature 2000 betting feature 1000 events feature 500 my history feature 500 } Admin Panel 8378 withdrawl 1600 user manage 2000 manage result 1700 past events 800 earnings 1000 TOTAL 21950

I'm in need of a skilled server administrator to manage my Linux server dedicated to web hosting. After moving to Dedicated Server AMD Ryzen 9 we have seen that the server goes down so often and we have to restart it. Key Responsibilities: - Ensure the server is running efficiently and troubleshoot any issues that arise - Manage and maintain the server's security, including setting up a firewall, implementing malware protection, and installing SSL certificates - Monitor server performance and make recommendations for improvements Ideal Skills and Experience: - Proficient in Linux server administration - Experience with web hosting servers - In-depth knowledge of server security measures, including firewall setup, malware protection, and SSL certificate installati...

...Integration: Implement Google Sign-In to allow users to authenticate using their Google accounts. User Redirects: After successful authentication, users should be redirected to the 'typeform11' page as part of our existing workflow. User Data Retrieval: Retrieve and display the user's Google account information including profile picture, email address, and name on the redirected page. Error Handling: Proper error handling to manage authentication failures or other errors. Security: Ensure that the integration adheres to security best practices to protect user data. Specific Tasks: Review the existing CakePHP 2.x application setup. Set up and configure the Google Sign-In mechanism using the client ID and secret obtained from Google Console. Modify existing us...

The Panel must be developed in PHP8, developed with best practices using PSR. If developed with Framework, Laravel (latest version + AdminLTE) must be used. All libraries used in the project must be in the public domain and if they are not properly updated, a new fork must be created and updated. Multip...fork must be created and updated. Multiple user management is your permissions Manage multiple GRE Tunnels servers - Register, Update, Delete - Each GRE Tunnel server will receive a /40 or up to /29 IPv6 allocation. - Each server can deliver different sizes of IPv6 allocations (/56 to /29), in a configurable way. The professional to carry out this project needs the following characteristics: - Linux Systems Administrator - Network administrator - Extensive knowledge with Bir...

A program in Racket/Scheme that implements a parser in its code, controlled by an LL1 grammar of at least 5 rules and performing, for example, validation/translation of some text input. The output of the program will be e.g. input value recognition, translated text or error detection. See an "example 1" . You can use functions fot this example, but the grammar must be you own. Using of recursive descent parser is recomended - see "example 2". General rules: Note that calling a ready-made function from the library is not sufficient to accomplish this task. Your own code must contain a visible algorithm. Your program must work according to the documentation. All documentation must be written in the source code . The program must include: (in source code) Br...

I'm in urgent need of a Java program that greets the user based on the system time. The program should be able to run seamlessly on Windows, MacOS, and Linux. Key Requirements: - Determine time based on system clock - Provide a different greeting for morning, afternoon, and night - Be compatible with Windows, MacOS, and Linux I'd prefer if you can complete this project ASAP. Thank you!

I need help to sanitize my online database to eliminate duplicate entries. My primary data source is an online database which has become cluttered with repetitive information. This hampers the overall efficiency and creates error in my outputs. I urgently require a skilled data entry expert with a strong competency in data cleaning, in particular, the elimination of duplicate entries. Your role will involve systematically reviewing the database, identifying duplicates and then removing or merging this data. Familiarity with online databases and previous experience in data cleaning is a necessity for this task.

I am currently seeking an experienced RapidPro expert to handle the installation, configuration, and ongoing support of RapidPro on a Linux or Debian virtual server hosted on Azure. This project requires someone with extensive knowledge and proven experience in successfully implementing RapidPro multiple times. Here's a breakdown of the tasks involved: Installation and Configuration: Deployment of RapidPro on a Linux or Debian virtual server hosted on Azure. Customization of settings to optimize performance and ensure security. Integration with other tools or services as required. Ongoing Support and Maintenance: Prompt assistance to resolve any technical issues or queries related to RapidPro. Regular maintenance to keep...

I need help to sanitize my online database to eliminate duplicate entries. My primary data source is an online database which has become cluttered with repetitive information. This hampers the overall efficiency and creates error in my outputs. I urgently require a skilled data entry expert with a strong competency in data cleaning, in particular, the elimination of duplicate entries. Your role will involve systematically reviewing the database, identifying duplicates and then removing or merging this data. Familiarity with online databases and previous experience in data cleaning is a necessity for this task.

... $cond: [{ $eq: ['$fromUser', userId] }, '$toUser', '$fromUser'], }, lastMessage: { $first: '$$ROOT' }, }, }, { $sort: { '': -1 }, }, { $skip: startIndex, }, { $limit: limit, }, ]); // Further processing and emitting results via } catch (error) { (error); throw error; } }; Performance Results: Total Time: 36.389s Chat Aggregation: 35.670s chats model: `const mongoose = require('mongoose'); const chatSchema = new ( { fromUser: { type: , ref: 'User', }, toUser: { type: , ref: 'User', }, type: { type: String,

Need to recount the stock quantity based on approve order (Write script to run it) Able to work with ftp. Laravel work. Start immediately.

I'm searching for an experienced JavaScript web developer to design a potent bot for an unspecified auction site. This bot will be responsible for an array of automatic duties, including: • Continuous...conclusion. • Maintaining the highest bid throughout the auction. • Instantly outbidding any other participants. • Ensuring each bid placed exceeds the previous one by a particular margin. This specific project requires a high level of proficiency in JavaScript, a keen understanding of auction dynamics, and experience in developing similar bots would be advantageous. The end-product must be efficient, error-free, and capable of handling high-stakes auction scenarios. Your contribution to this project would be invaluable in aiding my strategic positioning i...

As a beginner in photo editing, I'm seeking a professional photo editor with solid experience in both enhancing image quality and adding special effects. I primarily use a PC for editing, but it doesn't restrict to a particular operating system. Skills Required: - Proficiency in photo editing software (explicit Windows, Mac, or Linux proficiency not required) - Strong ability to enhance photo quality - Skill in adding creative and appropriate special effects to photos Please include examples of your previous work in these areas when bidding. I look forward to collaborating with and learning from a seasoned professional.

I'm currently on the lookout for a specialist in COMSOL simulations, with profound understanding and experience, particularly in the field of biomedical applications of microneedles. The aim is to correct and resolve issues pertaining to the file, f...files and rectifying the errors. - Accurately simulating the microneedle's interaction with the skin. Requirements for this project: - Extensive experience with COMSOL simulation software. - Detailed knowledge in biomedical engineering, particularly microneedles. - Ability to accurately simulate physical interactions and provide relevant results. The primary outcome of this project is an error-free file that correctly simulates the microneedle and skin interaction, providing beneficial data that can further aid in biom...

I'm currently experiencing some technical problems with my PHP website. Though it functions smoothly on localhost via X...our server on HostGator. The desired candidate for this job has the following abilities: - Extensive knowledge in PHP and server-handling, preferably with HostGator - Experience with troubleshooting and resolving website issues - Capable of fixing server-related issues Typical problems we're facing include: - Site not functioning correctly on the server despite proper local host operation - Error messages - Performance issues This troubleshooting requires someone who can detect and fix issues from server-end to user interface. Prior experience with cases similar to ours will be a plus. Applicants should also offer recommendations to prevent these i...

I am in need of an Asp.Net expert to configure my nginx web-server and host my Asp.Net Core application in a Linux VM. I have already installed nginx on my VM, so your main task will be setting up the environment for Asp.Net and ensuring smooth running and compatibility. The required skills and experience include: - Proficiency in Asp.Net Core - Web hosting expertise, specifically on nginx - Familiarity with server configuration in a Linux VM environment - Solid understanding of the nginx web-server. Prior experience hosting Asp.Net Core applications on a Linux VM with nginx is highly preferred.

I'm urgently seeking a WordPress expert to help me with my site. I'm currently experiencing error messages whenever I try to load the website. This issue is critically impacting the site's functionality, rendering it completely inaccessible. I need someone who can promptly identify and resolve the root cause of these error messages. The ideal candidate should have: - Extensive experience in troubleshooting WordPress errors - A proven track record of quickly and effectively resolving critical site issues - The ability to communicate clearly and provide updates on progress - Excellent problem-solving skills - Availability to immediately start working on the task Your efforts will help to ensure the site is back online and functioning as soon as possible.

I'm a mid-career professional in the finance sector and ready to take my career to the next level. I'm looking for a skilled CV writer who can restructure my current resume, highlight my key achievements and enhance the overall formatting and design. Key requirements include: - Restructuring the content: I need a professional to revise my CV's content to en...design should be suitable for the finance sector. Ideal skills and experience that I'm looking for in a freelancer include: - Proven track record in rewriting and enhancing CVs, especially for mid-career professionals. - Strong understanding of the Finance industry and what recruiters in this sector are looking for. - High level of proficiency in English and attention to detail to ensure my CV is error-fr...

...visually appealing gallery to showcase my work. You should have experience with aesthetically pleasing image placements. - Booking System: An intuitive booking system is required. Experience with calendar integration, user-friendly date and time selection, and automatic confirmation messages is a must. - Contact Form: Need a professionally designed, easy-to-use contact form. Responsive design and error-free functionality are crucial. Ideal candidate: - Have excellent web design capabilities, with a strong focus on creating professional and clean layouts - Experienced in creating portfolio websites - Knowledge of the latest web functionalities and principles - Strong attention to detail with regards to layout, design and end-user experience. If you believe you're the right ...

I need a professional who can resolve a persistent issue I'm experiencing while connecting my ...to Cloudflare. Your primary task is to troubleshoot and fix the 1014 CNAME Cross User Banned Error that repeatedly occurs during the connection. I have full access to both my Cloudflare and GoHighLevel accounts, so you can freely work on resolving the issue. The ideal candidate for this project should have: - Profound knowledge and expertise working with GoHighLevel and Cloudflare - Extensive experience in troubleshooting and resolving CNAME errors - Excellent problem-solving skills I need this issue resolved promptly to ensure seamless connectivity between my GoHighLevel whitelabel account and Cloudflare. Please only bid if you are confident in your ability to troubleshoot and ...

I'm having an issue with 2 of my Wordpress contact forms. Attempts to submit the form result in a "form submission failed" error. . Your task will be to dig into this issue and fix it so the form submissions start coming through correctly again. You'll also let me know what went wrong in the first place, and how I can prevent a similar issue in the future. I'd appreciate a prompt resolution. Happy Bidding!

I'm looking for an experienced C programmer to create an IEC-104 slave application from a Modbus TCP/IP implementation done in C for Linux. This application will run on Debian and will be primarily used for monitoring and logging purposes. Key Deliverables: - Develop IEC-104 slave application - Implement monitoring and logging functionalities - Ensure seamless integration with existing Modbus TCP/IP implementation Ideal Skills and Experience: - Proficiency in C programming - Experience with Linux, particularly Debian - Prior exposure to Modbus TCP/IP and IEC-104 protocols - Strong understanding of monitoring and logging systems - Ability to deliver clean, efficient and well-documented code If you have prior experience in similar projects or have a strong background ...