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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    168 份搜到的工作,货币单位为 HKD

    Seeking a skilled developer to configure multiple socks5 connections on an ASUS RT-AC68U router. The goal is to connect socks5 to separate Wi-Fi networks and enable broadcasting. Specific devices include Raspberry 4, ASUS RT-AC68U, ASUS GT-AX11000, GL-AXT1800 (Slate AX), and GL-AX1800 (Flint). Each socks5 should have its DNS set accordingly, and WEBRTC should reflect the IP of the socks5. The project must be completed before 4 june. Please provide a suitable price and address additional queries.

    $235 - $1958
    $235 - $1958
    0 个竞标
    kubernetes help -- 2 6 天 left
    已验证

    Kubernetes Setup and Networking Assistance Needed I am a beginner with Kubernetes and am experiencing networking issues with my current setup. I require assistance with the setup of my Kubernetes environment. Ideal skills and experience for this job include: - Expertise in Kubernetes setup and networking - Ability to troubleshoot networking issues - Strong communication skills to guide me through the setup process as a beginner. I need a functional kubernetes cluster with argocd, helm and istio installed asap.

    $274 (Avg Bid)
    $274 平均报价
    8 个竞标

    I have Admin Panel Source Code but My server Crearing Script dint't work. I need to fixing Script and add some functionality in this script. ✅ problems 1.I create server and hit script on link start createing server and then complete. But when i useing this server createing a user and try to connecting openvpn it show authentication error. on script it not runing properly. 3.I need some modifection on script. , You saleing on new script. is this work on my panel? Linux VPS Ubuntu 20.04 Supported 1/ OpneVPN 2/ OpenVPN WebSocket 3/ Openvpn + SSH 4/ OpenVPN + UDP 5/OpenConnect 6/OpenConnect WS 7/ UDP 8/ SSH This All VPN installation Scrept

    $266 (Avg Bid)
    $266 平均报价
    5 个竞标
    Cloud Engineer 6 天 left
    已验证

    Job Responsibilities: Cloud engineer is focused on automating the deployment of cloud infrastructure and services to support application development and hosting (architecting, engineering, deploying, and operationally managing the underlying logical and on Prem cloud computing infrastructure). Continue improving cloud product reliability, availability, maintainability & cost/benefit– incl. developing fault-tolerant tools to ensure robustness of the cloud infra Responsible for managing capacity across public and private cloud resource pools– incl. automating scale down/up of environments Support cloud developers in optimizing and automating cloud engineering activities – e.g. real time migration, provisioning and deployment, etc. Provide inputs to IT financial manage...

    $3070 (Avg Bid)
    $3070 平均报价
    3 个竞标

    I need a simple server () and a simple client. It needs to work on apache2 with SSL. Developer needs to know apache2 configuration and ProxyPass. Simple user joined and disconnected messages are enough.

    $78 - $235
    加封
    $78 - $235
    4 个竞标
    JasperReports Server scaling 6 天 left
    已验证

    As our business relies heavily on the JasperReports Server for reporting purposes, we need a freelancer to assist us in scaling the system in order to improve its performance. At the current usage level, medium, we require help specifically with load balancing to make sure that traffic and load times are at their optimal level. The main goal of scaling our JasperReports Server is to improve the performance, such that it is able to handle increased traffic without causing an inconvenience to our customers. We're looking for someone capable of understanding our current setup, working out what needs to be done to reach our goal, and actually implementing these changes to achieving successful scaling.

    $4566 (Avg Bid)
    保密协议
    $4566 平均报价
    3 个竞标

    I am looking for a person who can install and configure a SIP client(preferably PJSIP or any other) on my Raspberry Pi board, then install a Asterisk Server on a Linux computer that is on the same nextwork. After installation, configure both to talk to a VoIP SIP phone which is on the same network. Also confgigure the PJSIP client in listen only mode

    $1378 (Avg Bid)
    $1378 平均报价
    3 个竞标

    I am in need of a freelancer who can provide support on Netezza Administration. The support is needed within a few days and will require a full day (8 hours) of work. The ideal candidate should have experience in Netezza & Sybase Administration and be able to provide immediate assistance when necessary.

    $392 (Avg Bid)
    $392 平均报价
    3 个竞标
    Linux 2.4 kernel 6 天 left
    已验证

    Looking for some cool linux nerds that would want to help compile the 2.4 linux kernel on MIPS R3000. the project is opensource but i am willing to pay for help. im running into a few errors here. while i can compile the standard kernel i need to make changes to it to make a new version but i get stuck at ksysms.c which seems to be related to the proc FS ?? i could be way off i just need a little help and you will be doing this for the community too :) the initial code is based on uclinux which is a microlinux port with no mmu instructions. all the source code is on github and i will share the link with you and i have a video i can share with you that displays where im stuck at.

    $112 / hr (Avg Bid)
    $112 / hr 平均报价
    7 个竞标

    Looking for some cool linux nerds that would want to help compile the 2.4 linux kernel on MIPS R3000. the project is opensource but i am willing to pay for help. im running into a few errors here. while i can compile the standard kernel i need to make changes to it to make a new version but i get stuck at ksysms.c which seems to be related to the proc FS ?? i could be way off i just need a little help and you will be doing this for the community too :) the initial code is based on uclinux which is a microlinux port with no mmu instructions. all the source code is on github and i will share the link with you and i have a video i can share with you that displays where im stuck at.

    $112 / hr (Avg Bid)
    $112 / hr 平均报价
    8 个竞标

    I am looking for a freelancer to help me with a simple task i need to redirect visitors to a new VPS without any downtime. can be done using host file or ip tables, i am not sure which one is better if bidder is experienced, we will continue on configuration of server

    $282 (Avg Bid)
    $282 平均报价
    16 个竞标
    configuracion de git runner 6 天 left
    已验证

    configuración de git runner de git lab

    $352 (Avg Bid)
    $352 平均报价
    2 个竞标

    I am looking for an experienced Splunk expert to help me set up a system for saving and monitoring network logs. The ideal candidate should be familiar with the following: - Splunk Enterprise - Network Security Monitoring - TCP/IP Protocols - Basic System Administration The project involves setting up a system to monitor more than 50 hosts/network devices, with both real-time monitoring and periodic analysis required. The system should be able to gather and analyze log data from various sources, including routers, switches, and servers. The primary tasks of the project include: - Setting up Splunk Enterprise on a server - Configuring data inputs for network logs - Creating dashboards and reports for real-time monitoring and periodic analysis - Setting up alerts and notifications for sp...

    $1371 (Avg Bid)
    $1371 平均报价
    10 个竞标

    More details: What specific modules or functionalities do you need help with in ERPNext? Server error resolving Have you already tried to resolve the server error on your own? No, I haven't tried yet Do you need assistance with any other ERPNext features or just server error resolution? A few other features

    $987 (Avg Bid)
    $987 平均报价
    3 个竞标
    postfix expert -- 2 6 天 left
    已验证

    I am currently utilizing two mail servers simultaneously. How can I configure the system to ensure that if the first mail server fails to find a valid mailbox or user associated with the recipient address, the email is automatically redirected to the second mail server? First server: postfix mailserver: Second server: Microsoft Office 365: I get this error when the user is not found in the mail server "Address not found Your message wasn't delivered because the address couldn't be found, or is unable to receive mail." To fix this, I used the transport file but it's not working correctly 1. I created a transport file for the following: [alex@] smtp:[] smtp: 2. I configured postfix to enable this transport file transport_maps = regexp:/etc/postfix/transport

    $290 (Avg Bid)
    $290 平均报价
    6 个竞标
    Python Expert -- 5 6 天 left
    已验证

    I need an expert who is good at python and selenium

    $807 (Avg Bid)
    $807 平均报价
    37 个竞标
    VMWARE RESTORE 6 天 left

    VM Started with an error, and reading online I deleted the snapshot files from snapshot manager, but now wm says it dosent find the vmdk file, I see all the vmdk files but as SEPARSE and FLAT extensions. they are all in the same datastore as they were, according to online reading I only need to rename, to have them boot again.

    $1277 (Avg Bid)
    $1277 平均报价
    19 个竞标

    I have a basic server and client on apache2. I just need a working server (express) with ssl. I have a 502 proxy error. I need someone who both know express/ and apache2 conf to fix my error and show me "user joined" on console. Simple

    $243 (Avg Bid)
    $243 平均报价
    15 个竞标

    More details: What is the make and model of your wireless card? Broadcom Is there a specific Ubuntu version you are using? Ubuntu 20.04 Are there any other related issues you're experiencing? Network connectivity issues

    $188 (Avg Bid)
    $188 平均报价
    11 个竞标

    the truenass stopover installation works with complete configuration and all the plugins and applications available for sharing photos, media, video, bakup all service 2 / creation of two vps centos 7 and panel centos server bind ip , domain ns1 ns2 hostname all 5 LATEST php version , nodjs , fmmpeg latest version , php and varniche , change port ssh 22 add other important fair image snashopt centos 7 working and ip ping, and after installing the centos panel ( CentOS WebPanel ) · everything and possible to do on the dedicated server !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! BUDGET 80$

    $1065 (Avg Bid)
    $1065 平均报价
    16 个竞标

    I am looking for a freelancer who can help me move my existing Node.js site to Amazon cloud. I have plans to set up an AWS account, and I need assistance with EC2 services. Additionally, I want to use Amazon RDS as my database for the site. Ideal skills and experience for this job include: - Experience with AWS EC2 and RDS - Knowledge of Node.js - Ability to troubleshoot and solve any issues that may arise during the migration process.

    $274 (Avg Bid)
    $274 平均报价
    27 个竞标
    server admin configure VPS 6 天 left
    已验证

    I need admin tech to help me install a free CP on my new VPS, or use the current free CP my host already provided, and configure all the necessary configuration to help me optimize my server to the limits possible, mysql, php fmp, apache, etc.. i am hosting a cloud VPS, inter core CPU contact me for more information please

    $258 (Avg Bid)
    $258 平均报价
    27 个竞标

    I have a simple socket server and client on apache2 server. When i send a test request to https, It returns 502 proxy error. Max Budget 20$

    $188 (Avg Bid)
    $188 平均报价
    12 个竞标

    I am currently experiencing difficulties accessing a third party website from my digitalocean ubuntu server, and I believe it may be due to a Nameserver issue. I am looking for a freelancer who can help me resolve this issue. Skills and Experience: - Familiarity with digitalocean ubuntu server setup and configuration - Knowledge of Nameserver configuration and troubleshooting - Experience with domain registrar and updating Nameservers - Ability to diagnose and resolve server connectivity issues.

    $133 (Avg Bid)
    $133 平均报价
    14 个竞标
    Install Fusionpbx and setup 6 天 left
    已验证

    - Install fusionpbx - Setup Inbound/outbound SIP trunks - Setup 3 extns - Test softphones - Delivery

    $1050 (Avg Bid)
    $1050 平均报价
    7 个竞标

    I am in need of a skilled developer to assist me in creating a printer driver. The driver must be compatible with the Linux operating system and designed specifically for thermal printers. The primary function of the driver will be to provide advanced printing features. Ideal Skills and Experience: - Experience in developing printer drivers - Proficient in Linux operating system - Knowledgeable in thermal printer technology - Familiarity with advanced printing features

    $8177 (Avg Bid)
    $8177 平均报价
    27 个竞标

    We are searching for an embedded SW developer, with knowledge of ARM architectures, AMBA bus. SoC like Xilinx Zynq, FPGA+ARM, soft processor are required. C/C++ for embedded systems. The company is searching for long term collaboration

    $151 / hr (Avg Bid)
    $151 / hr 平均报价
    22 个竞标

    Need some guys from Bulgaria know about multicast and IPTV streaming You will rent IPTV line from and broadcast using udpxy, astra, tvheadend,..

    $9203 (Avg Bid)
    $9203 平均报价
    4 个竞标

    Solo personas de habla Hispana. Necesito hacer un software instalado en Linux, con interfaz grafica que realice lo siguiente: Recopilar datos de varios clientes, MQTT, InfluxDb, OPCua, Modbus, Modbus TCP, mewtocol, Ethernet/IP, etc. Que traspase los datos de cada cliente y que nos de las alarmas que podamos asignar previamente a cada cliente/valor. Los canales de salida para las alarmas son, VoIP,Telegram, Teams, Slack, RSS, Email, SMS, etc. Los canales de salida para BBDD son: influxDB Se busca persona seria, es posible involucrar como socio al 50% si interesa,

    $5104 (Avg Bid)
    $5104 平均报价
    14 个竞标

    I am looking for a network admin who can help me solve an error I am experiencing with Elasticsearch. Here are the details of the project: Specific error: ReleasableBytesStreamOutput cannot hold more than 2GB of data

    $157 / hr (Avg Bid)
    $157 / hr 平均报价
    11 个竞标

    Seeking a skilled developer to configure multiple socks5 connections on an ASUS RT-AC68U router. The goal is to connect socks5 to separate Wi-Fi networks and enable broadcasting. Specific devices include Raspberry 4, ASUS RT-AC68U, ASUS GT-AX11000, GL-AXT1800 (Slate AX), and GL-AX1800 (Flint). Each socks5 should have its DNS set accordingly, and WEBRTC should reflect the IP of the socks5. The project must be completed before 4 june. Please provide a suitable price and address additional queries.

    $6877 (Avg Bid)
    $6877 平均报价
    4 个竞标

    1. Cleartext submission of password The page contains a form which is submitted over clear-text HTTP 2. Session ID exposed Session ID is vulnerable to theft and may lead to Session Hijacking, Therefore, Session ID should never be sent over unencrypted transport and should never be cached. The application should be examined to ensure that encrypted communications are both the default and enforced for any transfer of Session IDs. Furthermore, the Session ID should not be visible. 3. Strict transport security not enforced The application fails to prevent users from connecting to it over unencrypted connections. An attacker able to modify a legitimate user's network traffic could bypass the application's use of SSL/TLS encryption, and use the application as a platform for attack...

    $721 (Avg Bid)
    $721 平均报价
    12 个竞标
    postfix expert 5 天 left
    已验证

    I am currently utilizing two mail servers simultaneously. How can I configure the system to ensure that if the first mail server fails to find a valid mailbox or user associated with the recipient address, the email is automatically redirected to the second mail server? First server: postfix mailserver: Second server: Microsoft Office 365: I get this error when the user is not found in the mail server "Address not found Your message wasn't delivered because the address couldn't be found, or is unable to receive mail." To fix this, I used the transport file but it's not working correctly 1. I created a transport file for the following: [alex@] smtp:[] smtp: 2. I configured postfix to enable this transport file transport_maps = regexp:/etc/postfix/transport

    $493 (Avg Bid)
    $493 平均报价
    6 个竞标
    AWS Hadoop 5 天 left
    已验证

    I am looking for a freelancer who can enable tunneling for Hadoop services on my AWS EMR cluster. The cluster configuration is custom, but I am not sure about the specifics. I need tunneling enabled for all Hadoop services, including HDFS, Hive, Pig, MapReduce, Spark, and Tez. My preferred method for enabling tunneling is SSH tunneling. Looking for someone who can get it done immediately Ideal skills and experience: - Experience with AWS EMR cluster configuration and management - Knowledge of Hadoop services and tunneling methods - Proficiency in SSH tunneling and other related technologies

    $117 / hr (Avg Bid)
    $117 / hr 平均报价
    15 个竞标

    I am seeking a freelancer with experience in Linux and Wordpress malware cleanup to fix the issues on my website. The project requires someone who can work efficiently to get the site up and running quickly. Symptom: - The website is slow Backup: - Yes, but it's outdated Access: - I have access to both the server and Wordpress admin panel Ideal skills: - Expertise in Linux and Wordpress malware cleanup - Knowledge of security measures to prevent future attacks - Ability to work quickly and efficiently to restore the website - Excellent communication skills to keep me updated throughout the process.

    $360 (Avg Bid)
    $360 平均报价
    42 个竞标

    I am looking for a skilled freelancer to resolve an OpenLiteSpeed issue on my Linux server. The issue is related to a PID that does not exist or is a zombie. Ideal Skills and Experience: - Expertise in OpenLiteSpeed server administration - Strong understanding of Linux server operating systems - Experience in troubleshooting server issues, particularly related to PIDs and zombies The freelancer should have experience in identifying and resolving configuration changes that may have caused the issue. Additionally, they should be able to provide clear communication throughout the project and deliver timely results.

    $143 / hr (Avg Bid)
    $143 / hr 平均报价
    10 个竞标
    Private project Nginx -- 2 5 天 left
    已验证

    Budget: 30 Dollars _ Read carefully my 't bid anonymously I am using shared web hosting. I am facing a problem due to run my subdomain. It shows " 403 Forbidden nginx/1.24.0" __ I think somewhere is permission or another problem.

    $196 (Avg Bid)
    $196 平均报价
    14 个竞标
    Private project Nginx 5 天 left
    已验证

    Budget: 30 Dollars _ Read carefully my 't bid anonymously I am using shared web hosting. I am facing a problem due to run my subdomain. It shows " 403 Forbidden nginx/1.24.0" __ I think somewhere is permission or another problem.

    $807 (Avg Bid)
    $807 平均报价
    14 个竞标
    help on EKL 5 天 left
    已验证

    Good morning, I am trying to put into practice on a LAB ( EKL stack (elasticsearh, logstash and kibana). I am following a YouTube channel "@evermighttech" for training. I'm stuck for fleet server implementation. I need your to solve the problem and explain me why. I will surely need help on EKL as I progress in my LAB. I have a working elasticsearch + kibana with SSL self-signed on ubuntu 22.04. i will provide a teamviewer or anydesk on a workstation for investigation if need. Thanks

    $141 / hr (Avg Bid)
    $141 / hr 平均报价
    9 个竞标

    Need to write multiple AWS severless functoins.

    $157 / hr (Avg Bid)
    $157 / hr 平均报价
    29 个竞标

    I am looking for a freelancer who can help me develop a customer dashboard for my 4G proxy service. The dashboard should have the following features: - Account Management: Users should be able to create and manage their accounts easily. - Usage Statistics: The dashboard should provide users with detailed usage statistics. - Billing Information: Users should be able to view their billing information and make payments. I prefer a modern design for the dashboard that is visually appealing and easy to use. I want the dashboard to be developed quickly, so fast development is a priority. The ideal freelancer for this job should have experience in dashboard development and be proficient in modern design.

    $8443 (Avg Bid)
    $8443 平均报价
    16 个竞标

    Hello My project using Laravel Framework 5.7.29 And I need you to install it in my server My server is a VPS and we using SSH and FTP Thanks

    $243 (Avg Bid)
    $243 平均报价
    44 个竞标

    Hi, I am looking for someone skilled in C++ builds under Centos/Ubuntu Linux. I need to build some old Turbo Vision Demos library, to do some tests with this awesome text-based UI. I can use Centos or Ubuntu. Example repos : I have no experience in building this stuff, and I need a clear and simple tutorial : - which packages/tools to install, in which order. - how to build and run the demo apps included in the repos above. - how to build and run my apps. PS - I am also open to suggestions on better/newer TUI frameworks. Thank you.

    $196 (Avg Bid)
    $196 平均报价
    3 个竞标

    Sience 2 weeks i have on the Gameservers big lags and the datacenter told me, that they have no issue. Todoo: Check the System (Proxmox-node), may there is an problem Check one VM with an Gameserver, may is there an problem Check Cpu rigth takting If the gameserver running on the nvme plates Errors on the networkadapter May check proxmox errors

    $313 (Avg Bid)
    $313 平均报价
    4 个竞标

    I have a website built on CodeIgniter 3 and MYSQL Database. There are 2800 pages on my website. The visitors per day are 5000 to 7000. I want to migrate this website from Hostgator Dedicated Linux Server to AWS Server. So I need an AWS Cloud Architect who will help me to migrate my website from Hostgator Dedicated Server to AWS Server. I also want that after the migration. The Cloud Architect will train me in troubleshooting and the steps he followed during the migration process.

    $4707 (Avg Bid)
    $4707 平均报价
    23 个竞标

    I am looking for someone who can help me deploy my recently purchased Laravel script from CodeCanyon. I already have a hosting environment at CLoudways ready for deployment, so the focus will be on getting the script up and running smoothly. As there is no customization needed, the ideal candidate should have experience with Laravel script deployment and be able to ensure that the script is fully functional and optimized for performance.

    $204 (Avg Bid)
    $204 平均报价
    25 个竞标

    Setup to external access to the NAS and then help with the firewall, DDNS connection to Open VPN server and do any port forwarding needed with correct connections. Make sure I am getting the connection out safe and able to share links and create users on Synology Drive with clients to share like I do with Google Drive. Have the best and practice for a video production company. Located in Chicago able to literally physically help me with this. I am so frustrated and have set quiet a bit of this up I am just really confused on a few things. using ASUS RT-AX86S and a synology ds1621xs+ 6 Bay 16T NAS. I also have a qnap network switch and use a Mac Studio for the main connection points.

    $3595 (Avg Bid)
    $3595 平均报价
    19 个竞标

    also both are mine , they are both on digital ocean . they used to summarize youtube videos , the one on the right is using libraries and one on the left using chatGPT i hit my hard limit on openAI so the left would not work but even before had issues . here is a discussion with a coder maybe makes it more clear Süleyman coder chatgpt AI freelancer, [2023-05-23 2:41 PM] Unfortunately, it’s not possible to change the Droplet IP address however this is a workaround. To receive a new IP address, take the following steps: - Create a snapshot image of your Droplet from the control panel - Create a new Droplet from your snapshot - Move DNS from your original Droplet to the new Droplet - Destroy your original Droplet Süleyman coder chatgpt AI freelancer, [2...

    $329 (Avg Bid)
    $329 平均报价
    7 个竞标

    I am looking for a C/C++ coder with extensive experience with nginx/lua, who understands captchas and DDoS protection. My goal is to create a server infrastructure that requires custom implementation of captcha and DDoS protection. The project timeline is 3-4 weeks. Ideal skills and experience for this job include: - Strong proficiency in C/C++ programming languages - Extensive experience with nginx/lua - Proficient understanding of captchas and DDoS protection - Ability to implement custom solutions - Familiarity with server infrastructure development - Strong problem-solving skills and attention to detail.

    $21750 (Avg Bid)
    $21750 平均报价
    13 个竞标

    I Have a custom developed/modified wordpress site currently hosted on hostgator VPS which I would like migrated to my ne VPS host hosting. It is currently on Hostgator which is cPanel, but InMotion is AMP. I could upgrade my AMP control to cPanel if necessary. InMotion host tried to migrate my site which transferred all my files but video file uploads to the site failed and stripe test payments failed.

    $1081 (Avg Bid)
    $1081 平均报价
    45 个竞标

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