Ubuntu Experts For Hire
Showing 94 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
-
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
-
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 at 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 OSI layer. With me is...About me I have worked over 20 years at IT and telecom companies at 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 OSI layer. With me is easy to setup systems. I am not picky about what systems to use but i do have experience what to use. I know following operating systems + distros: debian, ubuntu, gentoo, suse, redhat, centos, rocky linux, almalinux and arch linux, freebsd, netbsd, openbsd, sun solaris plus ms windows servers. I also know following systems: Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. Javascript: nodejs,npm Java web servers: Tomcat, Jrun, Jboss Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL Mail systems: Postfix,exim,dovecot.. and implementing: DKIM, SPF, MX, 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, lxc, jail, kubernetes Cloud providers: AWS, Digitalocean, Azure.. My knowledge does not stop here. I troubleshoot easily. Let's chat Please see my reviews of my previous works.. PS! With my bid you will get one week free support for work done less
Hire servermaster
-
✨ Experienced Software Engineer ✨ With over 15 years of expertise, I specialize in creating custom websites and applications that drive results for businesses of all sizes. My skills span SaaS, microservices, databases, and cloud computing, leveraging leading platforms like AWS and GCP. ✨ What I Offer: ✔ Custom...✨ Experienced Software Engineer ✨ With over 15 years of expertise, I specialize in creating custom websites and applications that drive results for businesses of all sizes. My skills span SaaS, microservices, databases, and cloud computing, leveraging leading platforms like AWS and GCP. ✨ What I Offer: ✔ Custom software solutions tailored to your business needs ✔ Expertise in Golang, PHP, TypeScript, JavaScript, Node.js, and Python ✔ Cloud solutions: Kubernetes, Serverless, AWS, GCP, Azure, DigitalOcean ✔ Scalable backend frameworks: Laravel, Symfony, Express.js, Next.js, Gin, Echo, Fiber ✔ Modern frontend frameworks: Angular, React, Vue ✨ Why Work With Me? ✔ Customer-focused: I prioritize your satisfaction and project success ✔ Reliable delivery: On time and within budget ✔ Post-completion care: Complimentary 15-day support and bug fixes Let’s bring your vision to life! ✨ less
Hire k1ng440
-
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
-
Started working as a Java and PHP developer before advancing into servers, cloud and network security. Worked as support executive for multiple webhosting data centers. Worked with cpanel, directadmin, plesk, aws, digital ocean, google cloud servers for over 15 years. I concentrate mostly on single and medium scale...Started working as a Java and PHP developer before advancing into servers, cloud and network security. Worked as support executive for multiple webhosting data centers. Worked with cpanel, directadmin, plesk, aws, digital ocean, google cloud servers for over 15 years. I concentrate mostly on single and medium scale projects, however large scale projects are definitely a part of my goal to be involved with a talented and coordinated team. less
Hire jbosseu
-
yuliussmayoru yuliussmayoru
$30 USD / hour
Sr. Full Stack | Blockchain | Embedded System | AIIndonesiaHey there! I’m a full stack developer with over 10 years of experience building all kinds of digital products—from websites and mobile apps to blockchain platforms, embedded systems, and AI-powered solutions. I’ve worn a lot of hats over the years, but the common thread has always been solving real problems with...Hey there! I’m a full stack developer with over 10 years of experience building all kinds of digital products—from websites and mobile apps to blockchain platforms, embedded systems, and AI-powered solutions. I’ve worn a lot of hats over the years, but the common thread has always been solving real problems with smart, reliable tech. Whether you’re looking to launch something new or need help improving what you’ve already built, I’m here to jump in and make it work. -Web & Mobile Apps: Clean, responsive designs and solid backend logic. I work with tools like React, Vue, Node.js, Django, Flutter, and more to build apps people actually enjoy using. -Embedded Systems & IoT: I build smart, connected hardware using platforms like Arduino, ESP32, and Raspberry Pi. From prototyping to production-ready firmware, I work with C/C++, MicroPython, and platform-specific SDKs to control sensors, motors, displays, and more. I also integrate these systems with web and cloud services—often adding AI for tasks like real-time data analysis, voice interaction, or image recognition at the edge. -AI & Machine Learning: I integrate tools like GPT-4, Whisper (speech-to-text), and DALL·E into web and mobile platforms—automating workflows, building chatbots, content generators, or even custom AI copilots for your users or team. I also work with Python-based ML frameworks like TensorFlow and PyTorch for custom models and training. -Blockchain & Smart Contracts: I’ve developed and audited smart contracts (mainly Solidity) and built dApps that connect seamlessly with Ethereum, Solana, and BNB networks. Let’s bring your vision to life with clean architecture, scalable code, and tech that lasts. I’m ready to contribute as your long-term tech partner or on-demand expert. less
Hire yuliussmayoru
-
Hi, I’m Top 1% freelancer committed to keeping your digital world safe, secure, and unstoppable. With years of hands-on experience as a Cyber Security Analyst and SOC Analyst, you get tailored solutions that transform vulnerabilities into strengths and risks into confidence. From penetration testing and vulnerability...Hi, I’m Top 1% freelancer committed to keeping your digital world safe, secure, and unstoppable. With years of hands-on experience as a Cyber Security Analyst and SOC Analyst, you get tailored solutions that transform vulnerabilities into strengths and risks into confidence. From penetration testing and vulnerability assessments to threat intelligence, malware analysis, and incident response, I deliver cyber solutions that help businesses thrive without disruption. I don’t just apply generic fixes I design tailored security strategies that protect critical data and future-proof systems against evolving threats. With a background in ethical hacking, digital forensics, and compliance (ISO 27001, NIST, CIS, HIPAA), I cover the full spectrum of cyber defense. Whether it’s risk assessments, SOC monitoring, or advanced defense deployments, my approach is proactive, precise, and focused on long-term resilience. Why Choose Me? ✅ Elite Expertise: Cyber Security, SOC Analysis, Ethical Hacking, Linux Hardening & Forensics ✅ Battle-Tested Skills: Proven results in penetration testing, incident response, malware analysis, and SOC operations ✅ Cutting-Edge Tools: Kali Linux, Nessus, Metasploit, Burp Suite, Wireshark, Shodan, Maltego, EnCase, FTK, SIEM (Splunk, QRadar, Wazuh) ✅ 24/7 Availability: Cyber threats don’t sleep — and neither do I when it comes to real-time response ✅ Proven Results: Secured clients in finance, healthcare (HIPAA compliance), government, e-commerce, and enterprise sectors 🔧 My Specialized Services 🛡 Penetration Testing & Vulnerability Assessments (OWASP Top 10, ISO 27001, HIPAA, CASA Tier 2) 🕵️ Threat Intelligence & Dark Web Recon (Shodan, Maltego, TOR-based cyber investigations) 🔬 Incident Response & Forensic Support (FTK, EnCase – breach investigation, malware analysis) 📊 Risk Assessment & Threat Modelling (STRIDE, DREAD, MITRE ATT&CK, OWASP Threat Dragon) 🔒 SOC Monitoring & Network Security (SIEM, Firewalls, IDS/IPS, Endpoint Security, Compliance) ⚡ Advanced Security Testing & Problem Solving: - SIEM Tools: Wazuh, QRadar, Splunk - Testing: Black Box, Gray Box, White Box - Cloud & Compliance: NIST, CIS, HIPAA - Application Security: DAST, SAST, OWASP Top 10 - Vulnerability Scanners: Acunetix, Invicti, OWASP ZAP, Nessus, MSF (Metasploit) - Manual Testing & Tailored Problem Solving 🏆 What You Get Working With Me ⚡ Lightning-fast 24-hour response time ⏱️ 💬 Clear & transparent communication – no jargon, just results 🛡 Custom cyber defense strategies that go beyond compliance and deliver real-world protection 🔥 Whether you face complex challenges, tight deadlines, or ambitious goals, your success will be secured every step of the way. 👉 Together, we’ll turn complexity into simplicity and goals into results. less
Hire RomanSattar
-
● About Me: ✔ Skilled and versatile developer with a proven track record in delivering robust web solutions. ✔ Proficient in PHP, Laravel, React, Nginx, Yii, Shopify, WordPress, and Chrome Extensions. ✔ Specialized in API integrations, custom CMS development, and Linux server administration. ● Project...● About Me: ✔ Skilled and versatile developer with a proven track record in delivering robust web solutions. ✔ Proficient in PHP, Laravel, React, Nginx, Yii, Shopify, WordPress, and Chrome Extensions. ✔ Specialized in API integrations, custom CMS development, and Linux server administration. ● Project Portfolio: ✔ Delivered high-performance web applications tailored to client needs. ✔ Developed custom themes and plugins for WordPress and Shopify. ✔ Implemented seamless API integrations for efficient data exchange. ✔ Built custom CMS platforms with a focus on scalability and usability. ✔ Expert in Linux server setup, management, and optimization. ● Why Work With Me? ✔ Experienced professional with a strong focus on results. ✔ Dedicated to turning ideas into high-quality, functional solutions. ✔ Expertise in creating solutions tailored to unique business requirements. ✔ Reliable and detail-oriented in server management and optimization. ● Let’s Collaborate! Looking for a reliable developer to bring your ideas to life? I’m here to help you achieve your goals with exceptional results. Let’s work together to create success for your business! less
Hire pawanVixen
