Linux

I'm in need of an experienced OpenStack developer to assist with the deployment of OpenStack on virtual machines. The deployment will include key components such as Compute (Nova), Storage (Swift/Cinder), Networking (Neutron), and Keystone... (Budget: $5000 - $10000 USD, Jobs: Amazon Web Services, Cloud Computing, Linux, Network Administration, OpenStack, Swift, System Admin, Virtual Machines)

I'm seeking a knowledgeable freelancer to help configure and optimize our email server setup for improved deliverability, particularly to gmx.de and gmx.ch. I have 16 server IPs and 16 .com domains ready... (Budget: €250 - €750 EUR, Jobs: B2B Marketing, Email Handling, Email Marketing, Leads, Linux, Mailwizz, n8n, SMTP)

I need a cloud optimization analyst to improve performance and optimize services like Lambda, EFS, Elasticache, OpenSearch, Neptune, and Route 53. Key Focus: Performance improvement, with a priority on Elasticache... (Budget: $15 - $25 USD, Jobs: Amazon Web Services, AWS Lambda, Cloud Computing, Cloud Security, Data Analysis, Linux, Performance Tuning, PHP)

I'm seeking an experienced cybersecurity professional to develop an online automated penetration testing platform. This platform will allow clients to check their system integrity against a comprehensive list of potential threats... (Budget: €250 - €750 EUR, Jobs: Compliance, Internet Security, Java, Linux, Network Security, Penetration Testing, Python, Software Development)

I need help configuring Docker and Coolify so my REST API can return over HTTPS, not just HTTP. I'm using Caddy as my web server. Key Requirements: - Configure Docker and Coolify - Set up HTTPS for REST... (Budget: $15 - $25 USD, Jobs: Amazon Web Services, API, API Development, Containerization, Docker, Linux, REST API, System Admin, Ubuntu, Web Development)

We are looking for an experienced developer to implement a complete VOD ABR (Adaptive Bitrate) video encoding solution using FFmpeg, deployed on an Ubuntu server. Core Requirements: Back-End Encoding Engine: Use FFmpeg for encoding video and audio into 5 resolutions suitable for HLS streaming... (Budget: $150 - $250 USD, Jobs: Linux, MySQL, Node.js, PHP, PostgreSQL, Python, Shell Script, Web Development)

I am seeking an experienced developer to create a custom embedded Linux setup for an in-vehicle digital dashboard using an Orange Pi 5 Plus 4GB (Rockchip RK3588). The primary application, RealDash, should run in full-screen mode on boot without any desktop environment... (Budget: $10 - $80 USD, Jobs: ARM, Bluetooth, C Programming, Debugging, Documentation, Electronics, Embedded Software, Embedded Systems, Linux)

We have an urgent requirement for a GCP Certified Devops Engineer. Please check the Job Description below: Senior DevOps Engineer – GCP Automation (3-Month Contract, Immediate Start) Contract: Time &... (Budget: ₹12500 - ₹37500 INR, Jobs: CI/CD, DevOps, Google Cloud Platform, Linux, Node.js, Python, Terraform)

I need an experienced system administrator/DevOps engineer to set up a complete OpenVPN remote access solution with a modern web-based management interface for our organization. The system should provide... (Budget: €30 - €250 EUR, Jobs: DevOps, Full Stack Development, Linux, Network Security, Next.js, OpenVPN, React.js, Web Application, Web Development, Web Security)

Need KUMOMTA EXPERT !!!! I'm experiencing a problem with my Kumomta email server setup, which is configured with 27 IPs in rotation. Despite all ports being open and fixed, the system fails to send emails, returning the error: (421, b'4.3.0 mail2.mailft.com technical difficulties')... (Budget: €30 - €250 EUR, Jobs: DNS, Email Handling, Email Marketing, Linux, Mailchimp, SMTP, System Admin, Technical Support, Troubleshooting)

Task 1 // Migrate the old virtual machines (old Proxmox) to the new Proxmox server. The fixed IP addresses are the same for these virtual machines. And all the DNS issues and others. I want this to work... (Budget: $10 - $30 USD, Jobs: Linux, Network Administration, System Admin, Virtual Machines, VMware)

Web & Server Security Expert (PHP/Yii2/Nginx/Ubuntu) We are urgently seeking an experienced Web & Server Security Expert to help us investigate and resolve a recent security breach. Our project is currently under attack and we need immediate support for analysis, mitigation, and hardening... (Budget: $500 - $1000 USD, Jobs: Cloudflare, Internet Security, Linux, Network Security, Nginx, Penetration Testing, PHP, Ubuntu, Web Security, Yii2)

I need a FreePBX or Asterisk-based VoIP setup hosted offshore, ideally in Bangladesh or nearby. Key Requirements: - Fully anonymized, ready for international calls (mainly to the US) - Spoofed caller... (Budget: $30 - $250 USD, Jobs: Asterisk PBX, Desktop Application, Linux, Network Security, Telecommunications Engineering, Telemarketing, VoIP, VPN)

I need a technician to deploy an OpenVPN server on my VPS. The system is Ubuntu (or specify your OS). The VPS is ready and accessible. Requirements: 1. Install and configure OpenVPN server (preferably using UDP) 2... (Budget: $10 - $30 USD, Jobs: DNS, Linux, Network Administration, System Admin, Ubuntu)

I need a USA SIP trunk set up for my 3CX system. We will be handling both domestic and international calls, with an anticipated load of 10-50 concurrent calls. Key requirements: - Setup SIP trunk for... (Budget: $30 - $250 USD, Jobs: Asterisk PBX, Linux, Network Administration, Plivo, SIP, Software Architecture, Telecom Sales, Telecommunications Engineering, Twilio, VoIP)

I'm looking for a developer to create an application that can export data into CSV files. The app should be compatible with Linux systems, ensuring smooth operation and integration with existing workflows... (Budget: ₹750 - ₹1250 INR, Jobs: Android, Data Management, Data Processing, Linux, Mobile App Development, Software Architecture, Software Development, User Interface / IA)

I need help troubleshooting some Linux issues on my Raspberry Pi. I'm facing specific issues with commands and audio. Key problems include: - Commands not executing - Audio files not playing - DTMF strings... (Budget: $30 - $250 USD, Jobs: Asterisk PBX, Debian, Linux, Raspberry Pi, Troubleshooting, Ubuntu, UNIX)

I'm seeking a skilled programmer to help resolve an issue with my Iris Idrs 14 OCR software. It was previously functioning on a Windows Server 2012 system connected to MySQL, but after migrating to Proxmox, the software now crashes or fails to start... (Budget: $30 - $250 USD, Jobs: C# Programming, C++ Programming, Linux, MySQL, OCR, Software Development, Troubleshooting, Windows Server)

Project Overview I run a multi‑tenant SaaS CRM that is already live on a private VPS. Frontend: Next.js (React 18) Backend: Node.js (Express / Nest‑style architecture) Database: MongoDB Atlas (one... (Budget: $3000 - $5000 USD, Jobs: Amazon Web Services, Cloud Computing, Database Management, DevOps, Encryption, Linux, MongoDB, Node.js, NoSQL Couch & Mongo, Security)

I'm looking for an expert to assist with migrating our Google domain. The highest priority is federating all current logins with the old domain to the new domain in Google Workspace. We require Single Sign-On (SSO) for security... (Budget: ₹12500 - ₹37500 INR, Jobs: Change Management, DNS, Linux, Project Management, Slack, System Admin, Technical Support, Web Security)