Ubuntu Experts For Hire
Showing 108 results
Sponsored Freelancers
-
I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP...I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP Postfix, POP/IMAP Dovecot. FTP Vsftpd, Proftpd, Pure-ftpd-mysql. Dns Bind9, dnsmasq. File Server & printer Samba (dc-ac). Network administrator: isc-server-dhcp, openvpn, etc. Install and renew SSL certicate. All services on cloud; AWS, Azure, etc. Also website and E-mail migrations. ALL panels and web managers. Management all Linux distributions. Setup, security and optimization your server. __________________________ VERY IMPORTANT!!! “Hi I'm Matias, someone is trying to impersonate me, this account is the only one active and verified by freelancer! I DON'T USE ANY OTHER MEANS OF CONTACT, ONLY FREELANCER CHAT!” ----------------------------------------- less
Hire MaTGaPa
-
After getting 14 years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on...After getting 14 years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on weekends. Having a flexible and friendly nature, you would find me very cooperative and dedicated to your work. I am proficient in the following areas: Cloud Computing ---> AWS (EC2, RDS, VPC, ECS, EKS, S3, EFS, Cloudfront, Elastibeanstalk, etc) Cloud Computing ---> Azure (VM's, Vnet, Scaleset, Function Apps, App Services, CosmosDB, FlexibleDB, AKS, Blob Storage, etc..) Containerization ---> Docker, Docker-compose, Kubernetes DevOps ---> Jenkins, Bitbucket, Github, Terraform, Ansible, Python Virtualization ---> Vmware Vsphere High Availability & Disaster Recovery ---> Veeam Backup & Replication Windows Server ---> Active Directory, File Services, WDS Mail Server, Database Server ---> Exchange, Mdaemon VOIP ---> Elastix, Freepbx Website Development ---> Wordpress, PHP, HTML, CSS, Javascript less
Hire arifnafees
-
I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise...I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise extends to a wide range of Linux systems, and I am well-versed in handling various distributions, ensuring their stability, security, and performance. I have a proven track record of successfully deploying web applications, guaranteeing smooth and reliable online experiences for users. One of my core strengths lies in managing system updates and applying security patches promptly, reducing vulnerabilities and minimizing downtime. My commitment to network security is unwavering, and I implement robust measures to protect data and maintain the integrity of systems. Furthermore, my proficiency in Cisco networking solutions allows me to design, configure, and troubleshoot complex network infrastructures, ensuring seamless connectivity and optimal performance. Additionally, I have a solid understanding of <b> HPE (Hewlett Packard Enterprise) </b>equipment, enabling me to efficiently manage and maintain these devices to meet organizational needs. With my extensive knowledge, practical experience, and dedication to staying updated with the latest industry trends, I am well-equipped to contribute significantly to any organization's IT operations, ensuring they run smoothly, securely, and efficiently. less
Hire rupa37
-
About me I have worked over 20 years at IT and telecom companies in the following positions: IT support, system administrator, applications administrator, and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified I follow KISS methods. I understand the OSI layer. With...About me I have worked over 20 years at IT and telecom companies in the following positions: IT support, system administrator, applications administrator, and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified I follow KISS methods. I understand the OSI layer. With me, it is easy to set up systems. I am not picky about what systems to use, but I do have experience with what to use. I know the following operating systems + distros: Debian, Ubuntu, Gentoo, SUSE, Red Hat, CentOS, Rocky Linux, AlmaLinux, Arch Linux, FreeBSD, NetBSD, OpenBSD, Sun Solaris, plus MS Windows servers I also know the following systems: * Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. * Java web servers: Tomcat, Jrun, JBoss * Javascript: Node.js, npm * Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL * Mail systems: Postfix, Exim, Dovecot, and implementing DKIM, SPF, MX, and DMARC * Monitoring systems: Nagios, Zabbix, Cacti, Grafana * SMS: SMSC, Kannel * DNS: Bind, Djbdns, Dnsmasq. * VPS: VMware, Hyper-V, Proxmox, bhyve, KVM, Xen, OpenStack... * Containers: Docker, Podman, LXC, jail, Kubernetes * High Computing: OpenHPC, SLURM, MPI, and related * Cloud providers: AWS, DigitalOcean, Azure… I troubleshoot easily My knowledge does not stop here. Let's chat Please see my reviews of my previous works PS! As bonus, with my bid, you will get one week of free support for work done less
Hire servermaster
-
👋 Hi, I’m Sarath K 🚀 Senior Linux System Administrator & DevOps Engineer Trusted by startups, SaaS founders, agencies, and enterprises worldwide 🌍 With 10+ years of hands-on experience, I help businesses deploy, fix, migrate, secure, and optimize production servers — fast, clean, and without downtime. 🔥 Clients...👋 Hi, I’m Sarath K 🚀 Senior Linux System Administrator & DevOps Engineer Trusted by startups, SaaS founders, agencies, and enterprises worldwide 🌍 With 10+ years of hands-on experience, I help businesses deploy, fix, migrate, secure, and optimize production servers — fast, clean, and without downtime. 🔥 Clients Hire Me When: 🚨 Their server is down or unstable 📧 Emails are failing or landing in spam ☁️ Cloud setups are misconfigured 🧩 Previous developers couldn’t fix the issue ⚡ They need urgent, expert-level help 👉 And I deliver — often within minutes or hours, not days. 🏆 What I Do Best (Proven by 90+ Reviews) 🐧 Linux & Server Administration - Ubuntu, Debian, CentOS, AlmaLinux, Rocky, RedHat - Performance tuning & optimization - Server hardening & monitoring - Malware removal & server recovery - Zero-downtime migrations ☁️ Cloud & DevOps - AWS, Google Cloud, Azure, DigitalOcean, Linode, Hetzner, OVH - EC2, Lightsail, Load Balancers, Firewalls - Docker & Docker Compose - CI/CD & deployment automation - Production-ready cloud setups - Web & App Hosting - Apache, Nginx, LiteSpeed - PHP, Laravel, CodeIgniter, Node.js, Python - React / Next.js deployments - SSL, HTTPS, Reverse Proxies - WebSockets & real-time apps 🗄️ Databases - MySQL, MariaDB, PostgreSQL - Performance tuning & optimization - Database recovery - Backup & restore strategies 📧 Email & DNS (Specialist Area) - Zoho, Google Workspace, Microsoft 365 - Postfix, Dovecot, Zimbra, iRedMail - SPF, DKIM, DMARC (Deliverability Expert) - Cloudflare DNS & security 🎛️ Control Panels - cPanel / WHM, Plesk, DirectAdmin - ISPConfig, CyberPanel, Virtualmin 🏢 Secure multi-tenant hosting environments - Security & Compliance - Server hardening & best practices - OWASP Top 10 mitigation - Firewalls & intrusion prevention - Malware cleanup & prevention - OpenAI & ChatGPT Integration 💬 Why Clients Love Working With Me ✔ ⚡ Extremely fast response ✔ 🗣️ Clear & honest communication ✔ 🧠 Fixes issues others couldn’t ✔ 💪 Goes beyond scope when needed ✔ 🧘 Calm under pressure (production emergencies) ⭐ “Cloudflare support was useless — Sarath fixed everything in 30 minutes.” ⭐ “Best server guy I’ve ever worked with.” ⭐ “Solved in minutes what others couldn’t in weeks.” 📩 Let’s Get Started If you need a reliable expert who gets things done right the first time, send me a message. 🔥 I’m ready to help you now. — Sarath K Linux • DevOps • Cloud • Servers less
Hire sktricks
-
I have 7 years of experience deploying and maintaining a wide range of systems and services. My expertise includes: ✅ Server Operating Systems: Windows Server 2003 to 2024, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP...I have 7 years of experience deploying and maintaining a wide range of systems and services. My expertise includes: ✅ Server Operating Systems: Windows Server 2003 to 2024, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP services. ✅ Virtualization: Microsoft® Hyper-V, VMware Hypervisors (ESXI, vCenter), Proxmox, VirtualBox. ✅ Cloud Computing Platforms: AWS Amazon Web Services, Microsoft®, Google Cloud Platform(GCP). ✅ Self-Hosted Clouds: NextCloud, OwnCloud, Seafile. ✅ File servers: IIS FTP, proftpd, FileZilla FTP Server, SAMBA. ✅ Web servers: IIS, APACHE, NGINX ✅Scripting: PowerShell scripting, Bash Scripting ✅Containers: DOCKER, Windows Subsystem for Linux (WSL). ✅Backup Systems Veaam Backup, Iperius Backup, UrBackup. ✅ Mail servers: POSTFIX, EXIM, Microsoft Exchange 2000 to 2019, QMAIL ,Zimbra ,Mail Enable , SmarterMail, hMail. ✅ Database servers: MySQL, PostgreSQL ✅ Firewalls: Windows firewall,ISA/Forefront TMG, MikroTik, PFSense, Zywall and other Routers; ✅ Data Storage Systems: Netapp, FAS, EMC, VNX; ✅NAS: FreeNAS, TrueNAS ,Synology, QNAP, Buffalo ✅ Monitoring ZABBIX, CACTI, NAGIOS ✅ Hosting Panels: WHM-cPanel, PLESK, CyberPanel, aaPanel Why Choose Me? ✅24 hours availability ✅Unlimited revisions ✅Fast response Microsoft® Certified ** MCSA | MCSE | MCT ** less
Hire AZTURK1
-
🤖 Innovative AI/ML Expert & Full-Stack Developer with 5+ years of experience delivering intelligent, scalable, and secure digital solutions across web, mobile, and blockchain platforms. I build data-driven AI models, LLM-based chatbots, and decentralized applications that optimize processes, enhance user experiences,...🤖 Innovative AI/ML Expert & Full-Stack Developer with 5+ years of experience delivering intelligent, scalable, and secure digital solutions across web, mobile, and blockchain platforms. I build data-driven AI models, LLM-based chatbots, and decentralized applications that optimize processes, enhance user experiences, and drive business growth. 💡 Proven track record: • Designed and deployed AI/ML solutions that increased operational efficiency for enterprise clients by 30%+ • Developed end-to-end web and mobile applications with React.js, MERN stack, Laravel, and ASP.NET for startups and SMEs • Led blockchain projects on Ethereum and Solana, including NFT marketplaces and smart contract automation • Integrated secure payment systems (Stripe, PayPal) and ensured robust cloud-based, scalable architectures on AWS and Ubuntu ⚡ Expertise: • AI/ML & LLMs: Predictive models, NLP, AI chatbots, automation • Full-Stack Development: Web and cross-platform mobile apps, MERN stack, Laravel, React Native • Blockchain & Web3: Ethereum, Solana, NFTs, smart contracts, Web3.js • Cloud & Security: AWS, Ubuntu, Web Security, performance optimization, scalable architecture 🌐 I thrive at the intersection of AI, blockchain, and full-stack development, turning complex technical challenges into production-ready solutions that deliver measurable impact. Passionate about building the next generation of intelligent, secure, and user-centric digital experiences. less
Hire Cprice07
-
I'm Cloud Infrastructure & DevOps Engineer with 10+ years of experience designing, building, and operating high-availability, production-grade infrastructure across cloud and on-prem environments. Specialized in Proxmox clusters, Kubernetes platforms, mail infrastructure, Linux systems engineering, automation, and...I'm Cloud Infrastructure & DevOps Engineer with 10+ years of experience designing, building, and operating high-availability, production-grade infrastructure across cloud and on-prem environments. Specialized in Proxmox clusters, Kubernetes platforms, mail infrastructure, Linux systems engineering, automation, and scalable hosting architectures. Proven track record delivering resilient infrastructure for SaaS platforms, hosting providers, and enterprise systems, including HA clusters, container platforms, CI/CD pipelines, and large-scale email delivery systems. Strong focus on performance, security hardening, automation, and operational reliability. • Advanced System Administration: Over 10 years of expertise in Linux and Windows server environments, specializing in installation, configuration, hardening, troubleshooting, performance tuning, and production maintenance. • Cloud Infrastructure Management: Proficient in AWS (EC2, RDS, EBS, S3, CloudFront, VPC, IAM) and Azure (VMs, Web Apps, Database Services, CI/CD), designing scalable, secure, and cost-optimized cloud architectures. • High Availability & Infrastructure Architecture: Strong experience designing HA and failover architectures, multi-node clusters, redundancy models, disaster recovery strategies, and resilient production platforms. • Virtualization Technologies: Extensive hands-on experience with Proxmox VE, VMware ESXi, KVM, Xen, VirtualBox, OpenStack, and cluster-based virtualization platforms. • Containerization & Orchestration: Skilled in Docker and Kubernetes multi-node clusters, Rancher management, Ingress controllers, MetalLB, and container-based production deployments. • DevOps & CI/CD Automation: Experienced in building CI/CD pipelines using GitHub Actions and automation scripts, enabling reliable and repeatable deployment workflows. • Infrastructure Automation & Scripting: Strong automation background using Bash scripting and configuration automation to streamline provisioning, monitoring, and operational tasks. • Networking & Secure Connectivity: Strong knowledge of LAN/WAN/VLAN design, private networking, VPN technologies (WireGuard, SoftEther), firewall deployment, and secure access architecture. • Database Platforms: Skilled in MySQL, MariaDB Galera clusters, and PostgreSQL, including replication, clustering, failover, and performance tuning. • Web & Hosting Platforms: Extensive experience managing web hosting stacks, control panels (cPanel, Plesk, CWP, CyberPanel, VestaCP), and multi-tenant hosting environments. • Security & Hardening: Strong experience in server hardening, firewall configuration (pfSense, Sophos, Kerio), intrusion detection, vulnerability mitigation, and application security practices. • Monitoring & Performance Optimization: Proven ability to monitor system KPIs, analyze logs, troubleshoot bottlenecks, and optimize infrastructure performance under production load. less
Hire mrkimoz
-
Where technical precision meets real-world impact Hi, I’m Martin, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software...Where technical precision meets real-world impact Hi, I’m Martin, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software integration using tools like Raspberry Pi and Arduino. ✴️ Core Technical Skills - Python Development – Efficient and scalable backend systems - Django & Django REST Framework – Clean, secure, and well-documented APIs - Process Automation – From workflow optimization to RPA and web scraping - Hardware Integration – Raspberry Pi, Arduino, sensors, and custom electronics - Linux Server Administration – Secure deployments, performance tuning, and uptime reliability - Database Management – MySQL, PostgreSQL, SQLite - Basic Frontend Development – Clean and functional interfaces using HTML, CSS, and JavaScript ✴️ What I Build - Custom RESTful APIs for mobile or web apps - End-to-end IoT solutions and embedded systems - Automation tools that reduce manual work - Monitoring dashboards with real-time hardware data - Backend platforms with hardware communication layers ✴️ Why Work With Me? - Specialized Expertise – I solve technical problems with depth, not with shortcuts - End-to-End Ownership – From architecture to deployment and post-launch support - Clear Communication – Technical concepts translated into actionable plans - Long-Term Support – I don’t disappear after delivery; I ensure everything works and improves Let’s Work Together If you’re looking for a backend engineer who understands both software and hardware, and who can deliver efficient, future-ready solutions, I’d love to hear about your project. ✴️ Reach out to discuss how we can bring your ideas to life. less
Hire martini002
-
I have 12 years of experience in Linux and Cloud server management which includes Monitoring, Security, and Optimization. Designed, configured, and managed public/private cloud infrastructures utilizing Amazon Web Services (AWS), including Elastic Cloud Compute (EC2), Virtual Private Cloud (VPC), Public and...I have 12 years of experience in Linux and Cloud server management which includes Monitoring, Security, and Optimization. Designed, configured, and managed public/private cloud infrastructures utilizing Amazon Web Services (AWS), including Elastic Cloud Compute (EC2), Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer, Cloud Watch and IAM. Implemented AWS high availability using AWS Elastic Load Balancing (ELB), which performed a balance across instances in multiple Availability Zones. AWS deployment using Ansible and Terraform, also deployed, and administered Open stack services. Configuring Ansible to manage AWS environments and automate the build process for core AMIs (Amazon Machine Image) used by all application deployments including Auto scaling and Cloud formation scripts. Worked with Docker on multiple cloud providers, from helping developers build and containerize their application (CI/CD) to deploying either on public or private cloud. Played a major role in building Docker images; create build and deployment configurations to deploy applications using Jenkins onto the Kubernetes cluster. Deployed and configured Elastic search ELK, Logstash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with AWS Lambda and CloudWatch. Used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiple namespace versions. Troubleshooting the network issues involving TCP/IP, LAN/WAN networking, DNS, DHCP, SMTP, SNMP, netstat and monitored the servers and Linux scripts regularly and performed troubleshooting. Monitoring of the servers through Nagios, Icinga2, Zabbix I can handle cloud platform setup and Network management. I'm an expert in Website and e-mail Migration. I also have experience on VMware. Cloud Services: Amazon web services (AWS) , Gcloud , Digitalocean , Scaleway , Azure , Rackspace , Linode etc... My areas of expertise are: Linux, FreeBSD, Windows, Asterisk, FreePBX, NFS, CIFS, VMware, Xen, LVM, Apache, Nginx, Tomcat, Zimbra, Qmail, Sendmail, Postfix, Exim, LVM in Linux, Jabber, Openfire, FTP, Bind, PowerDNS, Pfsense, IPtables, Zabbix, Nagios, MysQL, LDAP, SquidFreeNAS, IPSEC, OpenVPN, PPTP, L2TP TECHNICAL SKILLS Operating systems: Linux, Windows Protocols: TCP/IP, FTP, DHCP, HTTP, SMTP, POP, IMAP Application/Web Servers: Apache, Nginx, Litespeed Mail Servers: Postfix, exim, sentmail, zimbra, iredmail less
Hire bindmission
