Linux is an open-source and free operating system, which runs on many computers, servers and device. A Linux Developer is any tech professional who specializes in developing programs and applications that run on the Linux operating system. They also help install, troubleshoot and fix any issues related to the Linux OS, allowing their clients to use it effectively.

Linux Developers are highly knowledgeable in this field and can provide their clients with various services ranging from installation, selection and acquisition of Linux-based applications, to helping set up a computer or server infrastructure. Their expertise would be beneficial for any business that wants to employ the use of both Linux-based applications and environments.

Here's some projects that our expert Linux Developers made real:

  • Designing creative solutions for GUI elements for user interactions
  • Optimizing server performance and reliability
  • Developing solutions for deploying software within a scalable environment
  • Deploying robust backups and security measures
  • Enhancing the structure of web applications under the Linux system
  • Writing code mapping APIs between multiple operating systems
  • Building desktop applications to execute specific commands

Our expert linux developers can achieve all this, as well as any other custom tasks that may be required. At Freelancer.com you’ll find highly skilled professionals ready make your idea reality. If you have a project you need help with or just want an experienced developer to lend a helping hand with technology needs, post your project today!

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    I'm currently seeking an experienced Linux system administrator to connect my Ubuntu-based Digital Ocean server to a Pterodactyl panel. Your tasks for this project, ideally completed within a short timeframe, will include but are not limited to: - Seamless connection of the server to the Pterodactyl panel. - Full preservation of existing user profiles on Pterodactyl during the process. What you should ideally have: - Proven experience in Linux System Administration, particularly with Ubuntu. - A solid understanding and hands-on experience with Pterodactyl panels. - Capability to process tasks with full root access. It's crucial that you know exactly what is required to ensure a secure and functional connection. Also, you should be able to solve any unforeseen issues that migh...

    €17 (Avg Bid)
    €17 Povprečna ponudba
    6 ponudb

    I'm currently seeking an experienced Linux system administrator to connect my Ubuntu-based Digital Ocean server to a Pterodactyl panel. Your tasks for this project, ideally completed within a short timeframe, will include but are not limited to: - Seamless connection of the server to the Pterodactyl panel. - Full preservation of existing user profiles on Pterodactyl during the process. What you should ideally have: - Proven experience in Linux System Administration, particularly with Ubuntu. - A solid understanding and hands-on experience with Pterodactyl panels. - Capability to process tasks with full root access. It's crucial that you know exactly what is required to ensure a secure and functional connection. Also, you should be able to solve any unforeseen issues that migh...

    €13 (Avg Bid)
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    7 ponudb

    I'm in need of a skilled professional who can help manage my Woocommerce, Wordpress, and Linux server. Ideal Skills: - Proficiency in Woocommerce and Wordpress - Experience in Linux server management - Knowledge of SEO and site optimization - Ability to work on a weekly basis, maintaining and updating the website Key Tasks: - Weekly website updates and maintenance - Plugin and theme installations - Server optimization and security updates - Critical optimization for website speed and performance Your work will be essential in keeping my website running smoothly, secure, and optimized for speed and search engine visibility.

    €6 / hr (Avg Bid)
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    I'm in need of an individual with superior skills in handling EFI file management. There wasn't any specific selection for the tasks needed, so I'd like to find a candidate versatile and knowledgeable in recovery and backup, file organization and sorting, as well as troubleshooting and error fixing. To be ideal for this role: - You should have extensive past experience in EFI file management. - Having successful project outcomes, you can share will be beneficial. - The ability to provide a detailed project proposal outlining your approach and strategy. Lastly, it wasn't specified which operating systems need assistance with, so expertise in Windows, macOS and Linux will be highly beneficial. Your ability to assist across multiple platforms will stand you in good stead...

    €27 / hr (Avg Bid)
    €27 / hr Povprečna ponudba
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    I need an expert in networking, VOIP, and server administration to handle various ongoing tasks in our data centers. Key Tasks: - Network Configuration: You'll be responsible for setting up and maintaining our network infrastructure. - Troubleshooting: Whenever there are network, VOIP or server issues, you should be able to troubleshoot and resolve them efficiently. - VOIP Engineering and Troubleshooting: You'll be responsible for improving our quality and security around our VOIP services in our data centers and customer sites as well as troubleshooting VOIP issues. Your Responsibilities: - Engage in network configuration and maintenance, ensuring optimal performance. - Efficiently troubleshoot network, VOIP and server issues as they arise. - Implement VOIP solutions as part ...

    €202 (Avg Bid)
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    Setup RDP on Windows VPS 12 ur left
    VERIFICIRAN/A

    I require urgent assistance with setting up a Remote Desktop Protocol (RDP) on a Windows Virtual Private Server (VPS). The features and capabilities required are currently unspecified, but potential candidates may be tasked with enabling varying functionalities as the project moves forward. Ideal Skills for the Job: - Proficiency in Windows OS - VPS set-up and management - Knowledge of RDP implementation Your ability to effectively communicate and provide suggestions for potential features or capabilities will be highly appreciated. I am looking to complete this project ASAP, hence freelancers who can work within a short time frame will be highly considered.

    €15 (Avg Bid)
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    I'm in need of a skilled Python coder who can develop an automation script for me. Key requirements: - Proficient in Python: You should be well-versed in Python and have a good understanding of its automation capabilities. - Automation Script: You'll be creating a script that can automate certain tasks for me. - Windows Platform: The script you develop must be compatible with the Windows platform. Ideal skills and experience: - Proven experience in developing Python automation scripts. - A good understanding of Windows systems and how to create efficient scripts for them.

    €24 / hr (Avg Bid)
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    Linux expert to work via anydesk 11 ur left
    VERIFICIRAN/A

    I need a linux expert to connect via anydesk to debug some space issue on my server ubuntu

    €24 (Avg Bid)
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    Looking for skilled programer to create for me a server based bot which use my twitter account and monitors people i follow to instantly create a reply when they create a new tweet. Should have limitations on -replies per hour -replies per day -reply max x time per week on single specific account

    €112 (Avg Bid)
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    Server Perl Scripts Debugging 10 ur left
    VERIFICIRAN/A

    II. the task #2 (less important but fast to fix) email notifications do not work for some reason (on server with webUI @159.65...) The email sending works with cron there contains 1 task here /var/spool/cron/tabs/root and 4 here as i understand /var/spool/cron/tabs/serg guess user serg is not configured properly(but it is a full disk copy, so not sure) or cron tasks are not active or lunching.. also i see 3 cron procs on old sever (ps-A|grep cron) and only 1 on new server... you can change email in scripts and test (the email sending is working ok tested it with small /root/) p.s. you can check working details on old server @213.168.... I. the most important but could take more time The statistics section do not work at all on the New server here is active clients on OLD server(s)...

    €71 (Avg Bid)
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    CentOS Server Recovery 8 ur left
    VERIFICIRAN/A

    I urgently need a server expert to bring my CentOS server back to life. The server stopped working after I messed up the iptables. I have rescue mode enabled , I need someone work over any disk and solve this and fire the server again now

    €120 (Avg Bid)
    €120 Povprečna ponudba
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    I urgently need help restoring access to my website which has been down due to some iptables rules misconfiguration. Crucial details about the specific changes made to the iptables configuration are not available but I can provide access to the server for a professional to diagnose and fix it. The job demands a high degree of expertise in: - Linux administration - iptables firewall configurations - Web server troubleshooting and management My website is hosted on a dedicated server, so I require someone who has experience working in such an environment. Quick turnaround is paramount. Skills and experience: - Proven experience in managing dedicated servers - Solid understanding of iptables and firewall configuration rules - Proficiency in diagnosing and rectifying server related issues ...

    €26 (Avg Bid)
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    We recently experienced a malware attack on our system and we're seeking an expert who can ensure this doesn't happen again in the future. We don't require data recovery services; our main priority is to make sure it never happens again. Ideal candidates should possess: - In-depth experience in counteracting malware attacks - Mastery in various security domains such as network, application, and endpoint security - Proven track record in enhancing system security

    €120 (Avg Bid)
    €120 Povprečna ponudba
    20 ponudb
    SMTP Integration for Blog Website 7 ur left
    VERIFICIRAN/A

    As a blogger, I'm currently in need of a developer to help me integrate an SMTP service onto my new website for handling user inquiries responses. This is a crucial feature that will ensure my audience's inquiries are promptly and reliably responded to. Key Skills/Experience Required: - Proficiency in SMTP integration - Experience in developing and maintaining blog websites - Strong understanding of user inquiries handling - Good communication skills to ensure smooth project execution Please note that I already have an existing SMTP service provider in mind, so the focus of this project will be on the integration aspect. Your expertise and experience in this field will be highly valuable.

    €17 (Avg Bid)
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    During a routine session, I accidentally deleted the usr/bin directory from my Linux system. The data loss mainly includes key system configuration files and this mistake has compromised the smooth operation of my system. As a knowledgeable Linux expert, your role would be to: - Help recover the lost system configuration files from the usr/bin directory on Linux.

    €19 (Avg Bid)
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    11 ponudb

    I'm looking for a skilled VPN and Android system programmer who can reliably connect my existing OpenVPN server to devices running Android 9 and above. After successful configuration, these Android devices should gain unhindered access to my private networks. Ideal Skills: - In-depth knowledge of Android system development - Expertise in setting up and configuring OpenVPN servers - Strong understanding of network security and VPN protocols Objectives: - Configure OpenVPN server to work with Android 9 and above - Enable secure access to private networks through the VPN connection - Test and provide documentation explaining how to connect future devices to the VPN server.

    €18 / hr (Avg Bid)
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    I'm seeking an experienced Python developer with significant expertise in networking protocols, network security, and network troubleshooting to design advanced tutorials. Knowledge in network automation using Python will also be used. Key Areas to be Covered: - Network Protocols - Network Security - Network Troubleshooting - Network Automation using Python This is a demanding role that requires strong knowledge in Python and networking. If you’ve designed a training curriculum or tutorials previously, then it's even better. I look forward to seeing how you can help me learn these complex topics in an engaging and understandable way.

    €23 / hr (Avg Bid)
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    36 ponudb

    I'm urgently looking for a skilled professional to help me secure my website against DDoS attacks, specifically focusing on DNS amplification. work over any disk only must be now !

    €44 (Avg Bid)
    €44 Povprečna ponudba
    50 ponudb

    I am experiencing issues with LDAP SSH user authentication on my Suse SLES 15 SP4 server. This involves an authentication failure specifically with the module. I need help to debug the error Key points include: - Deep understanding of Linux, specifically Suse SLES 15 SP4 - Expertise in LDAP user authentication - Proven experience troubleshooting and resolving authentication errors - Ability to ensure smooth functionality of the LDAP User authentication system The error message is attached. Please note that the LDAP is only used for user authentication, no other functions. I am looking to have this issue corrected as soon as possible.

    €26 (Avg Bid)
    €26 Povprečna ponudba
    4 ponudb
    Grub /boot issues linux server 3 ur left
    VERIFICIRAN/A

    We are urgently looking for very good system admins with many years experience handling linux servers to solve a boot issue where installing Grub is corrupted. A very good Freelancer has been working on it already but even with his very high score and good skills he hasnt been abkle yet to get it done. So, please do not react if you are not very good in solving these kind of things as you need to work with the freelancer who works on it now and he has done already the basic things. So we need someone who can help him. Server is linux/ubuntu and openstack

    €28 / hr (Avg Bid)
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    Hello We have website called , Recently, We migrated this site to MS Azure and immediately after migration We started to get wordpress inconsistent permission issue and due to this unable to update plugins, themes and latest version of wordpress. We are looking for a wordpress expert who can fix this issue using SSH connection & bitnami linux because We dont want any plugins and for this I can provide you server credentials and wp-admin credentials also. Interested people read above carefully and apply. Thanks

    €15 (Avg Bid)
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    25 ponudb

    Project Description: We are seeking experienced software developers to create a comprehensive and secure remote access solution for home automation systems, similar to Nabu Casa. This project involves building a cloud-based intermediary service that allows users to connect to their home automation systems (specifically Home Assistant installations, referred to as "nrjhub") from external locations without requiring router configuration changes such as port forwarding. Objectives: - Develop a secure, scalable cloud service that facilitates connection from external networks to multiple nrjhub Home Assistant installations. - Implement a system that manages authentication and secure communication channels between users and their home automation systems. - Provide a user-frien...

    €2329 (Avg Bid)
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    I'm in need of a skilled professional in digital forensics to help me investigate a cybercrime. You are a digital forensic analyst, working for a law enforcement agency in the UK and have been assigned to an investigation, working in partnership with an international agency. A member of the investigation team has been to collect the forensic artefacts from the scene of the crime and has managed the integrity and continuity issues during collection and transportation. One of the forensic artefacts was a computer containing a single hard disk. A forensic imaging technician has created a forensic image of this hard disk and stored it securely on one of your organisations servers alongside a file containing the hash value of the image. Your task is to analyse the forensic image as par...

    €106 (Avg Bid)
    €106 Povprečna ponudba
    25 ponudb

    I've been grappling with a login issue on my Pterodactyl panel, which is hosted on a Virtual Private Server (VPS). Whenever I try to login, an error page is displayed instead of allowing access to the panel. Furthermore, the Pterodactyl panel is integrated with a Content Management System. I'm seeking an experienced PHP developer who can diagnose and solve this issue efficiently and effectively. Key Skills and Experience Required: - Proficiency in PHP - Familiarity with Pterodactyl Panel - Experience handling VPS - Knowledgeable in resolving login issues - Experience with Content Management Systems is a plus Looking forward to receiving your informed bids, highlighting any similar issues you've resolved.

    €16 (Avg Bid)
    €16 Povprečna ponudba
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    I'm in need of an experienced OpenWRT developer proficient with RALINK RT5350F and MT7628N Chipsets. Primary Tasks: Require changes to existing code to facilitate dial in options. Require capability to write applications in this processor Specialise in USB interface and Router Development Be able to write and make image for upload. Firmware Customization requires adding new features, particularly in integrating dial-in options. Performance Optimization is also needed to ensure the smooth operation of new and existing features. Ideal Skills and Experience: - Expertise in OpenWRT Firmware - Experience with RALINK RT5350F and MT7628N Chipsets - Proven record of successful Firmware Customization and Performance Optimization projects - Strong background in networkin...

    €269 (Avg Bid)
    €269 Povprečna ponudba
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    I described the error below in details. I'm sure the Server administrator can fix this issue in 1~2 hours. I'll pay $100 for this project. 1. I generated 2 csr files with command. openssl genrsa -out ~/certs/ 4096 openssl req -new -sha256 -key ~/certs/ -out ~/certs/ openssl genrsa -out ~/certs/ 4096 openssl req -new -sha256 -key ~/certs/ -out ~/certs/ 2. I got 2 swish certificates file from swish portal. I used one for singing and another for TLS communication between web system and swish platform. 3. I created p12 file from the reference. openssl pkcs12 -export -out -in -inkey 4. I used the following code. <?php $date = new DateTime(); $dateString = $date->format('Y-m-dTH:i:sZ'); $payload = [ "payoutInstructionUUID" => "...

    €36 / hr (Avg Bid)
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