Tcp Projects

OpenVPN Setup on OVH VPS (Ubuntu) for 4 devices

I have an OVH VPS in Germany (Frankfurt) running Ubuntu. I need a private OpenVPN server setup for family use (4 devices: 2 iPhones + 2 Android). Requirements: • Install and configure OpenVPN • Create 4 separate .ovpn client profiles • Enable TCP 443 option • Auto start after reboot • Basic security hardening (UFW firewall + SSH security) I will provide VPS IP and SSH login details. My budget : 15-25$ Time: ASAP

EKF IMU GPS Fusion Simulation

I need an Extended Kalman Filter that fuses raw IMU and GPS data to deliver reliable navigation states inside an autonomous-vehicle 3D simulation. I already have an EKF designed in MATLAB, I however require an improvement on it (I've all the files required). My workflow is centred on IPG Carmaker, so the filter must compile, run and stream its results in real time inside that environment; the same code should also remain portable enough to drop into CARLA for future tests. The filter has to provide: • position and velocity estimates in the global frame • full orientation (roll, pitch, yaw) • live statistics on sensor noise and estimated error covariance A simple on-road scenario in Carmaker will serve as the proving ground: the vehicle must hold a trajectory with typical urban dynamics while the EKF maintains stable state estimates under artificial sensor noise and occasional GPS drop-outs. I will supply the IMU/GPS message format, vehicle model, and a baseline scenario file. Acceptance is complete when: 1. Source code (C++ or MATLAB/Simulink S-Functions) builds without errors, plugs into Carmaker, and runs faster than real time. 2. Use High fidelity Physics based simulators such as CARLA, IPG Carmaker for 3D simulation including (x, y, heading) 3. Include Full EKF state-space equation and matrix definitions for reproducibility 4. Logged outputs match ground-truth within tolerances I will share (≤0.3 m RMS position, ≤0.5 deg RMS attitude). 5. Plots and a short report document filter tuning, assumptions, and observed sensor error statistics including RMSE. 6. Detailed report on work done. If you have prior experience coupling EKFs with vehicle simulators such as Carmaker, please tell me which interfaces you used (e.g., FMI, ROS Bridge, TCP sockets). That background will help us start quickly.

ESP32 code review- web server crashing

ESP32 has web server with LoRa data being received, web server and modbus tcp/ip to retrieve data. Web server and modbus crashing after a few minutes.

Wireless Temperature & Humidity Sensor & Gateway

I need a combined temperature & humidity sensor designed that communicates the temperature, relative humidity & battery level to a base station. The base station must be able to communicate with 20 sensors and be able to send this data over Modbus TCP/IP.

opportunity

Project GAMESPACE

An individual or a team may fulfil the project; however, we prefer a single point of contact to streamline our administration and ownership of this project. This project focuses on building and testing a reliable, secure, and standards-compliant device provisioning and operations system for the Games In Real Life platform. It requires implementing a complete lifecycle of device operations—from provisioning to live gameplay interaction—using MQTT, Node-RED, Raspberry Pi, and ESP32 devices, in accordance with the operational standards and procedures (SOPs) outlined in our SOP framework. The primary goal is to ensure that all clients can autonomously connect, authenticate, provision, synchronise, and operate within the defined environments. The contractor will deliver robust code, configuration schema handling, and documentation aligned with internal SOPs and deployment procedures. We are seeking an experienced freelancer to assist with an IoT project utilising Raspberry Pi and ESP32 devices. The ideal candidate will have expertise in setting up Node-Red for data flow and basic GUI design, as well as management and MQTT for messaging protocols. You will be responsible for integrating sensors and devices, ensuring seamless communication between components. A solid understanding of IoT architecture and troubleshooting is essential. This project requires creativity and technical skills to optimise performance. MUST HAVE Extensive experience with: -Raspberry Pi hardware/Coding -ESP32 Pi hardware/Coding -MQTT communications, protocols, and security -Node-Red Flow coding, best practices and GUI design -Networking, WiFi and TCP/IP GOOD TO KNOW: - NDA will be required to share additional information -The project will be paid based on agreed milestone achievement outcomes. -Some code has already been developed and tested - modifications will be needed -OPTIONAL: Hardware development and test site funding (TBD with short-listed freelancer) Technical Scope -Hardware: Raspberry Pi 4/5, ESP32 variants -Server Environment: Windows 11, Node-RED, Mosquitto MQTT -Communications: WiFi (GameSpaceSetup), MQTT secure topics -Provisioning: Dynamic SCHEMA-READ/WRITE, RESET, UPDATE -Gameplay: Triggered actions via JSON-formatted MQTT messages (e.g., RFID triggers, DEVICEPOWER, STATUSINDICATOR, VideoPlay) TECH SCOPE -Hardware: Raspberry Pi 4/5, ESP32 variants -Server Environment: Windows 11, Node-RED, Mosquitto MQTT -Communications: WiFi,+ TCP/IP, Mand QTT secure topics -Gameplay: Triggered actions via JSON-formatted MQTT messages (e.g., RFID triggers) STANDARDS: This project must align with: Games In Real Life - SOPs -DEVICE SCHEMA implementation -Messaging Protocols and JSON structures (DEVICERESPONSE, DEVICEOPSTAGS) -GameSite and GameSpace topic segregation -Security policies for MQTT access, file sync, and schema handling HANDOVER INCLUDES -Source code -OS images (RPi/ESP32) -Node-RED flows/GUI -Setup scripts -Documentation and guides

opportunity

Open Source SoftEther protocol Issue in Mobile App

Good day, This is a challenge for all the programmers out there, who can help resolve this issue, and if this issue is resolved, then this is going to be a celebration time :). We have been trying to resolve this issue but so far no luck, so thought to post here with this hope and wish that someone can help resolve this issue. Please let me know, how long it will take and how much you will cost to resolve this issue. See below and let me know if any of you can resolve this issue: ------- See this code: https://github.com/SoftEtherVPN/SoftEtherVPN_Stable We need to compile or convert the softether client pack send/receive binary protocol and encryption to swift ios project like their client do for windows and linux. Softether actually not providing the implementation for ios. We have replicated the TLS connection but not able to make the handshake binary protocol and softether server terminates the TLS connection with following logs: On the TCP Listener (Port 443), a Client (IP address 39.60.124.38, Host name "39.60.124.38", Port number 56504) has connected. For the client (IP address: 39.60.124.38, host name: "39.60.124.38", port number: 56504), connection "CID-4992" has been created. SSL communication for connection "CID-4992" has been started. The encryption algorithm name is "TLS_AES_256_GCM_SHA384". Connection "CID-4992" terminated by the cause "A client which is non-SoftEther VPN software has connected to the port." (code 5). Connection "CID-4992" has been terminated. The connection with the client (IP address 39.60.124.38, Port number 56504) has been disconnected. ------- Basically, you need to convert the C files logic of softether client into swift files that will be implemented in iOS.

opportunity

Windows app to parse data from a file and upload to server

Develop a Windows application for simulating cellular data upload from a telematics device to a server. - Develop a windows application which can take the .bin files which will be manually downloaded from the hardware and effectively parse the data and upload it to the server as if the data had been cellularly transmitted - Implement functionality to parse .bin files or a collection of .bin files loaded by the user. - Design a module in the software to upload parsed data to a server via TCP/UDP as though it was transmitted over a cellular network. Example .bin file and documentation to be provided on requested

Fix PostgreSQL Connection Issue on Apache/Passenger Server

We are looking for an experienced Linux server administrator or DevOps professional to troubleshoot and fix a PostgreSQL connection issue on our Apache/Passenger-based application. Issue Details: -Our application fails to connect to the PostgreSQL database and shows the following error: "connection to server at "172.17.0.1", port 5433 failed: Connection refused Is the server running on that host and accepting TCP/IP connections?" -The issue seems to be related to database connectivity, firewall settings, or server configuration. -The PostgreSQL database is running on port 5433, not the default 5432. -The application is deployed using Apache + Passenger. Expected Fix: -Diagnose and fix the PostgreSQL connection issue. -Ensure the application can successfully connect to the database. -Verify and update PostgreSQL, firewall, and network configurations if needed. -Restart necessary services (Apache, Passenger, PostgreSQL) after the fix. -Provide documentation on what was changed for future reference. Requirements: -Experience with Linux servers (Ubuntu or Debian preferred). -Strong knowledge of PostgreSQL configuration and troubleshooting. -Experience with Apache + Passenger. -Familiarity with Docker (if the database is running inside a container). If you are confident in fixing this issue, please apply with: -Your relevant experience -Estimated time to complete the fix -Any clarifying questions Looking forward to working with an expert who can resolve this quickly!

Computer Ip and CyberSecurity Expert needed

We are seeking an experienced and highly skilled **Cybersecurity Expert** with a focus on **IP Leak Prevention** to join our growing team. As an IP Leak Prevention Specialist, you will play a critical role in identifying and resolving potential vulnerabilities that could lead to IP leaks, ensuring the confidentiality and integrity of our systems. If you have a passion for cybersecurity and a deep understanding of data privacy, networking protocols, and threat mitigation, we want to hear from you. **Key Responsibilities:** - Conduct comprehensive assessments and audits of our network infrastructure and security systems to identify potential risks for IP leaks. - Develop, implement, and monitor security measures to protect against data leaks, including but not limited to IP address exposure, DNS vulnerabilities, and traffic interception. - Analyze and identify network traffic patterns and take proactive steps to secure sensitive data transmission. - Work closely with network engineers and system administrators to ensure best practices for IP address security and prevention of data leaks. - Research and stay updated on the latest IP leak techniques and security vulnerabilities, ensuring the organization’s systems are always up-to-date. - Conduct internal and external vulnerability assessments, penetration testing, and risk analysis to discover potential IP exposure issues. - Develop and implement security policies, guidelines, and training materials to raise awareness and reduce the risk of IP leaks among employees and teams. - Collaborate with incident response teams to investigate any suspected IP leak incidents, perform root cause analysis, and execute effective remediation plans. - Provide technical guidance and support to management and teams on IP leak prevention strategies. - Continuously monitor traffic flow and detect any anomalies or potential signs of IP leak activities. **Qualifications:** - Bachelor’s degree in Cybersecurity, Information Technology, or a related field (or equivalent work experience). - Proven experience in cybersecurity, particularly in areas related to network security and data privacy. - Strong expertise in network protocols (TCP/IP, DNS, HTTP/HTTPS, VPN, etc.) and securing IP addresses. - Experience with firewall configuration, intrusion detection systems (IDS), intrusion prevention systems (IPS), and VPN technologies. - Hands-on experience with network traffic analysis tools, such as Wireshark, tcpdump, or similar. - Familiarity with penetration testing tools and techniques (e.g., Kali Linux, Metasploit). - Strong understanding of encryption technologies, VPNs, proxies, and methods for masking IP addresses. - In-depth knowledge of security best practices for cloud-based services, local networks, and hybrid environments. - Industry certifications such as CISSP, CISM, CEH, or CompTIA Security+ are a plus. **Preferred Skills:** - Experience in working with IP leak prevention software or solutions. - Knowledge of threat intelligence tools and techniques. - Ability to design and implement advanced security protocols for preventing IP leaks in complex environments. - Strong problem-solving skills and the ability to think critically under pressure. - Excellent communication skills with the ability to explain complex cybersecurity concepts to non-technical stakeholders. **Benefits:** - Competitive salary and performance-based incentives. - Flexible working hours and remote work options. - Health, dental, and vision insurance. - Professional development opportunities and access to the latest security tools and technologies. - A dynamic and collaborative team environment.

I need help setting up my OpenVPN server

Context: I have a home server running Debian 12 with multiple internet connections: * eth0: My primary optic fiber connection. * pppX (0-N): USB 4G modem interfaces connected via wvdial. I use wvdial for better control and stability, though I'm open to suggestions. A C# server I wrote manages these resources to provide a small, experimental proxy service. How it works: 1. Client Request: A client requests a proxy. 2. Server Action: The server selects an available USB modem, and uses wvdial to establish a connection, creating a new network interface (pppX). The server then configures 3proxy to listen on a specific port and forward traffic to the newly created interface. Generates credentials, and gives the proxy data to the client. The connection lasts for a set number of hours, then is closed and resources are released. The Problem: While this system works, I need to make it more robust and secure. I've considered OpenVPN, but WireGuard isn't suitable due to its UDP-only nature. I need TCP for anonymity. The Goal: I want to implement OpenVPN in my existing architecture. The core idea remains the same: using USB modems and wvdial. However, instead of a proxy server, we'll use an OpenVPN server. Requirements: 1. Dynamic Configuration: The server should generate .ovpn files for each client, revoking them after the connection ends. 2. Dedicated Connections: Each client should have a dedicated connection to a specific USB modem, ensuring that traffic from different clients is not mixed. After the connection is closed and resources are released, the modem should be available for a new client. 3. Configuration Guidance: I need help with the OpenVPN configuration, including file locations, key settings, and routing rules. Consider I don't have advanced knowledge on Linux network management. I'm not a Linux expert, but I'm eager to learn. I have clients relying on this service, so I need a quicker solution than self-learning. How I want it to work (I'm open to suggestions of course): 1. A client requests a VPN connection, the server runs wvdial as it currently does. 2. After the interface is up and has internet access, the server must set up a new configuration to allow the current client to connect to the server and redirect their traffic to this newly created interface through a specific port. 3. Then after some hours, or when the client requests it, the server closes the connection, invalidates the .ovpn client file, and closes wvdial. Just to clarify, wvdial, after linking the modem with the ISP (by running ppp), gives me the information of the new connection. The network details such as IPv4 addresses, interface name, etc., all the data that comes from `/etc/ppp/ip-up`, are available to use for routing or whatever is needed.

Spring Boot, Connection abort (socket)

1. Existing Spring Boot v2.2 0 application. Java 1.8 / Windows 10. Netbeans 8.2. 2. Configurable TCP server and clients with routing between them and a yml configuration file. 3. Mostly working but breaks occasionally when TCP clients disconnect, then reconnect and send commands. SecondaryConnectionHandler Error writing data: java.net.SocketException: Software caused connection abort: socket write error 4. My guess is that the Spring application is not correctly releasing the socket / port when an external client disconnects and another external client reconnects to the same or a different port and sends commands, but this is a guess. Spring seems prone to these issues. 5. Needs stress testing to determine why issues occur and then a fix (must not break, must recover itself if a socket error occurs). 6. Also significantly loading / slowing the PC on which it is running, especially when errors occur, even with only one or two connections. 7. Please only show an interest in this work if you have considerable experience working with Spring, Java, TCP sockets and Clients / Servers.

Networking VPN/Proxy Routing

I have a VPN and a proxy installed and fully working on my machine. I need to route all the TCP request from VPN to the proxy. so the VPN client (me) will be using the proxy for further filtering and privacy. I need help with some routing rules in Opnsense Firewall. let me know by sending your offer. thanks!

opportunity

VoIP Mobile App Development

Hello, PLEASE READ THIS AMENDED VERSION and re-quote or confirm quote by a message. When messaging me, please list what features can be achieved and what can't and we're good to go. NB: I don't want an app customised from scrtatch. I just want something simple from a template like linphone or any other open source then customise to make a usable multi-tenant VoIP Softphone for IOS & Android (with windows PC as bonus) that can make/receive voip calls, divert/forward calls, etc. We can start from https://themeforest.net/item/dialer-voip-mobile-calling-apps-html-templates/21066668 or linphone or else. I need the best quote for a very efficient VoIP Mobile App for IOS & Android users that I can monetise on Playstore, app store, etc. Below is the list of features. Not all features can be achieved so please quote based on what you can achieve in the list below. Send me the list of what can be achieved with your skills, the plaform you will use to develop the app, and within the budget specified. As I said I want a simple voip app that works perfectly fine to call, to receive calls, to divert/forward calls, to join meetings or conference calls or host one, with voicemail,etc. The video calling part is optional but essential. The webdialling or desktop dialling part is optional so if it can be achieved fine otherwise leave it. Telephony features* (Very important features and part of basic)  Protocols: SIP or IAX  Network features: TCP, UDP, TLS  Multi-tenant VoIP Softphone (Unlimited users or tenants and installations)  Available for Android, iOS, desktop Windows, macOS,… and maybe Linux  Manual & auto-Provisioning  Balance display (API)  Rate display (API)  Service & Product names and short descriptions  Startup screen  Logo and customisable logo field for business users  Localization  Automatic User registration/sign-up (and/or link to our website registration. Businesses to be confirmed within 24-48hours)  Show dialled number (DNIS) / caller ID or name  Ignore call function  Call forwarding  Unattended transfer  Attended transfer  Auto-answer  Call recordings  Conference host (SIP)  Voicemail  Number of users per tenant to be specified in back-end. o Single user/tenant by default o Multiple users (number to be determined in back end since it’s a cost per user per month for monthly subscriptions). E.g: £2.99/u/m. a business with 10 users will have to pay £29.90 per account per month. o PAYG customers will pay a one-time fee for downloading e.g. £10 then use it for free (Free = means at least one top-up every trimester otherwise the app will be blocked. To re-activate, another £10 will be sought.). o PAYG customers will top-up from £5 to £30 in increments of 5. Top-ups will only be available for 1 calendar month and will expire. o Businesses cannot use PAYG therefore all PAYG users will be single users (and not multiple users in one account).  API for Balance Display  API for Rate Display  PUSH (mobile)  Encryption TLS/SRTP/ZRTP  Other security features: Account password encryption, HTTPS/SFTP configuration Codecs and wideband codecs / engine features  Opus (Opus narrow, Opus wide, Opus super, Opus full)  G.711 (a-law, mu-law)  G.722  G.726  G.729  Speex (Speex, Speex wide, Speex Ultra)  iLBC (iLBC 20 (desktop), iLBC 30)  GSM FR  VP8 (video codec)  H.264 (video codec)  Echo cancellation, Adaptive Jitter Buffer, Packet Loss Concealment, Auto Gain Control, Noise reduction  Codec priority settings and Codec settings per User or per account Advanced network features*  Network statistics  Network handover  IPv6  DNS SRV Audio, video & chat functionalities  Audio calls, hold, mute, call waiting *  Call conference *  Call recording  Call transfer *  Video conference  SMS/IM  Presence Contact management features*  Contact list import  Instant contact search  Instant adding of contacts  Avatars per contact Interface features  Multilanguage support: English & French*  Optional auto-pop-up-window on incoming call*  Always on top, Minimize on start-up, etc.* Integration tools:  API, Auto-provisioning (HTTP, HTTPS, SFTP and FTP)* CRM integration (click-to-dial): OPTIONAL  Vicidial  CallPro  Nimble  Freshdesk  SalesForce Customization:  Custom logo, Branding, etc.

PyQt App Additions

Hello, I have an existing PyQt App that plots data. Currently the data plotted is hard-coded, but I would like to add a socket to received data from an outside source. I can provide the existing code for adaptation. The final product would include a dummy sender app which continuously sends a packet (pickle encoded dict; a function to generate this will be provided) each second and an additional class in the current GUI script that handles listening for/receiving tcp communications Hard requirements include: * option to listen on two ports (not implemented) * plotting of data from each port in individual graphs (currently implemented for dummy data) * data saved upon receipt (currently implemented) Happy to discuss or answer any questions. I expect this addition would take 4-8 hours and would like turn around within a week, if possible.

Socket programming

Develop a client/server application using Linux TCP sockets and the C programming language. Your solution will respond to service requests by clients. Such requests may be by either providing the IP address of the server or the name of the host where the server is executing. Transmission errors will be handled by applying the CRC algorithm to detect errors and Hamming to both detect and correct a single bit errors.

TCP Logo Upgrade

I need a Hi-Res version of a logo for a large sized print job. 2 version, one in colour & the other with a clear background. Currently a small PPG so needs redrawing probably. Going on large banners & flags.

Node JS and sequelize expert needed

I have created a node JS API which is running perfectly on localhost but I am struggling to make it work on my VPS. I have been back and forth with support who say it needs to use a unix socket in order for the Apache configuration to proxy through the NodeJS app - we can't use a TCP socket for this? The server.js has been updated to use the process.argv[3] value for socket and this seems to be working fine. However when running on this or over the TCP port, periodically I get a CORS issue returned which in my logs is showing as: AH01114: HTTP: failed to make connection to backend: httpd-UDS We have a connection to a MySQL database using Sequelize and I'm not sure if this is the issue, as this I believe is over TCP? Can this be done with unix socket too? Basically, I'm looking for someone who can come on board and help me get this up and running. I also have a second app on Next.JS which will need sorting once we have the API reliably running! Please get in touch this if this something you can help with - ideally ASAP (ie. complete Friday 16th!)

opportunity

Windows 2016 VPS Server updates to resolve vulnerabilities

We have a php web system hosted on a Windows 2016 VPS and have highlighted the below vulnerabilities that need to be upgraded/fixed/resolved: Uses SSLv3, insecure since 2014, vulnerable to forced downgrade, POODLE attack Uses TLS1.0, insecure since 2018, vulnerable to forced downgrade attack Uses TLS1.1, insecure since 2018, vulnerable to forced downgrade attack Vulnerable to RC4NOMORE/BEAST due to use of RC4 ciphers Vulnerable to RDP hacking due to open TCP port 3389 Must be experienced in Windows server management

opportunity

Socket from a port, incoming messages into a sql database GPS

build a socket from a port and put incoming tcp bit messages in into a sql database. This project is gps trackers that send there messages in bytes to a ubuntu server, running on an open port from a router. the socket needs to acknowledge the packets. work out the end of the stream and then insert it into the database. with date and time of the server of the incoming message. also needs to be able to deal with multiple streams at once. i have some more details on the tracker if your interested. this needs to be lightweight and not built around other applications already out there.

opportunity

Create dashboard for managing cloud server

Summary I'm looking to partner with developer specialist to help achieve our goal of automating deployment, security, and management of thousands of cloud instances. Providers - CloudCone (https://api.cloudcone.com/) - RunCloud (https://runcloud.io/docs/api) Scripting We have a series of commands that need to be ran at the start up of each instance. Here is the link to the script file right now so you can see everything that we plan to execute. **DISCLAIMER** There are a couple manual steps that we would love to automate and would need to get your advice on, otherwise that would be the commands that would need to be compiled into a batch file to run at the start up of every new cloud instance. Process Instance Creation We would receive a POST request from the website to create an instance for a new customer. There would need to be a portal that keeps track of:
 - Every instance that is online by the name assigned to it, a column with the IP address, and a column with the customer ID we receive from the site so we know who’s is what without disclosing personal information. - Every hour the server is online from point of creation until the Instance Deletion request comes online. - A text area that updates with the cumulative number of hours that all of the servers are online for. Example: If there are 100 servers and 50 of them have been online for 5 hours and 50 of them have been online for 10 hours, the number displayed would be 750. - There are going to be thousands of these instances that we are going to be managing and we get paid by the hour that these are online, so this is a CRITICAL piece that should always be in operation. - There will also be two different tiers of instances. So the cumulative number displayed needs to correlate to which instance template. Example: Tier 1 - 10,421, Tier 2 - 3,513 - The portal would need login credentials for specific users to be able to access this information. Once that POST request is received, we would need the instance to run the batch file mentioned in Scripting above. After that has been successfully ran, we would then need to: - Add that instance to RunCloud, - Update the Firewall settings to block port 80, - Update the Firewall settings to block port 443, and - Update the Firewall settings to allow port TCP 6080. - As an additional measure, we would love to enable the option for Passwordless login for all servers if that is possible within the API. After the instance has been added to RunCloud successfully and the batch file has ran successfully, we would want to then send the server’s IP address, the Customer ID, and the password generated in the batch file for the VNC server so the site can notify the user their instance is ready for launch. The website will display the IP address in a specific format and the password for users to log into the instance when they are logged in. Instance Pausing In case of a client’s billing were to pause, we need the ability to receive a command from the website to send a shut down command to the associated Customer ID’s instance. For our billing purposes, for every 24 hours that an instance is paused we need to add an hour to the cumulative usage for all servers that is displayed. If the Customer’s account is reactivated, then a command to turn the instance back on would need to be issued in order for that instance to turn on and be accessible once again. Instance Deletion In case of a client’s account being closed, we need to be able to receive a command from the website to delete an instance. Once that command is received, CloudCone needs to delete the correctly correlating instance to that Customer ID, update the hours total with how many hours that server was online. In addition we need to remove that instance from RunCloud as well. Additional Functionality The total number of billing hours by tier that is calculated needs to be from 12:00a EST on the 1st of each month until 11:59p EST on the last day of each month. Those hourly totals of all instances by tier needs to be able to be sent to our billing system to automatically update the invoice that is generated around 8a EST on the 1st. We bill by the hour, per tier. Those totals are CRITICAL for us to keep track of properly. We use Zoho Books for our billing system. An additional feature we need is the ability for a logged into user to the portal to upload a file that replaces an existing file on all of the instances. The file names won’t always match, but it’s always in the same location. This should work with receiving requests from a system like WHMCS to create, pause, and delete the instances The job needs to be completed in 15 days - After one week I need at least a draft version.