CentOs Experts For Hire
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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
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Hi, I’m a DevSecOps & Cloud Infrastructure Engineer with over 12 years of experience in Cloud Architecture, Web Hosting, Server Security, and Malware Remediation. I specialize in building secure, scalable, and automated infrastructures across leading cloud and hosting environments. Core Expertise Operating...Hi, I’m a DevSecOps & Cloud Infrastructure Engineer with over 12 years of experience in Cloud Architecture, Web Hosting, Server Security, and Malware Remediation. I specialize in building secure, scalable, and automated infrastructures across leading cloud and hosting environments. Core Expertise Operating Systems Debian, Ubuntu, CentOS, Red Hat, Fedora, AlmaLinux Cloud Platforms AWS, Google Cloud, Azure, Alibaba Cloud, IBM Cloud, OVH, Linode, DigitalOcean, Vultr, Scaleway Containerization & Orchestration Docker, Kubernetes, Helm, Docker Compose Infrastructure as Code (IaC) & Automation Terraform, Ansible, CloudFormation, CI/CD Pipelines (GitHub Actions, GitLab CI, Jenkins),N8N Web Servers Apache, Nginx, LiteSpeed, IIS Databases MySQL, MariaDB, PostgreSQL, Amazon Aurora Mail Systems Zimbra, Postfix, Dovecot, iRedMail, Sendmail ERP / CRM Odoo, vTiger, Dolibarr, SugarCRM, SuiteCRM, YetiForce, ERPNext E-Learning & Video Conferencing BigBlueButton, Greenlight, Jitsi Meet, Moodle LMS, Chamilo LMS, Open edX, Scalelite Control Panels cPanel/WHM, DirectAdmin, ISPConfig, Webmin/Virtualmin, CWP, Plesk, VestaCP, HestiaCP CMS & E-Commerce WordPress, Joomla, Drupal, Magento, OpenCart, PrestaShop PHP Frameworks Laravel, CodeIgniter, Zend Security & Compliance OWASP Top 10, Burp Suite, PCI DSS, Server Hardening, WAF Integration, Cloud Security Best Practices I bring a security-first DevOps mindset, ensuring every deployment is automated, scalable, and compliant. From designing Kubernetes clusters and managing CI/CD pipelines to hardening cloud workloads and optimizing performance, I help businesses achieve stability, security, and operational excellence in the cloud. Thanks, less
Hire sr33raj
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udayarpandey2022 udayarpandey2022
$50 USD / hour
IT Infra Solution Architect - DevOps - SecurityNepalLet's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D.Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D. less
Hire udayarpandey2022
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I am Muhammad Abdullah with 8 years of experiences A highly skilled IT professional with broad expertise in Linux system administration, software engineering, web development, and mobile application development. Demonstrates a deep understanding of a variety of operating systems, including Linux, Windows, macOS,...I am Muhammad Abdullah with 8 years of experiences A highly skilled IT professional with broad expertise in Linux system administration, software engineering, web development, and mobile application development. Demonstrates a deep understanding of a variety of operating systems, including Linux, Windows, macOS, Unix, and mobile platforms like Android and iOS. Adept at working with numerous programming languages such as Python, JavaScript, Java, C++, and more. Excels in creating efficient software solutions, designing and maintaining dynamic websites, and developing cross-platform mobile applications. Possesses a strong ability to optimize performance, ensure security, and deliver exceptional user experiences across diverse technological environments. This comprehensive skill set makes them a valuable asset for addressing complex technical challenges and driving innovation across multiple platforms less
Hire MRARIFAKRAM
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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
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In The Name Of Allah | My Portfolio: *Removed by Freelancer.com* With over a decade of experience as a System Administrator and Developer, I possess extensive expertise in Problem-Solving and have made significant contributions to several prominent IT forums. As a skilled problem solver, I have both the requisite...In The Name Of Allah | My Portfolio: *Removed by Freelancer.com* With over a decade of experience as a System Administrator and Developer, I possess extensive expertise in Problem-Solving and have made significant contributions to several prominent IT forums. As a skilled problem solver, I have both the requisite knowledge and practical experience to offer optimal solutions to your issues. Expertise: - System Administration: Debian, Ubuntu, CentOS, Windows, AWS, WHM, cPanel, Virtualizor, WHCMS, Windows Server, Google Cloud, Azure, AWS, DirectAdmin, ISPConfig, Virtualmin, DirectAdmin - Server Setup and Installation: Web Server, Email Server including DNS, Exim4, Postfix - Game Development: Unity - Web Development: PHP, JavaScript, React, jQuery, Laravel, HTML, CSS, XML, React, Laravel, Codeigniter, Angular - 3D Modeling: 3D Max - Program Development: Java, .Net, C++, Python - Audio Editing: Adobe Audition - Video Editing: Adobe Primer and Adobe After Effect - Forum Development: MyBB forum owner, Xenforo, phpBB, vBulletin, NodeBB - Forum Plugin Development - Expert website software and forum software converter - Mobile App Development: Java on Android Studio (over 3 years of experience), Cordova Developer, Cordova Plugin Developer, React Native - Website Converter: Custom Script to WordPress and Forum Converter and Merger - Web Scraping: Java, scraping thousands of products and exporting them into Excel sheets, Instagram scraping - API REST Client Development: Google API, Binance API, Java, PHP, JavaScript, curl, JSONRpc, Distance Matrix API, OnlyOffice, Guacamole, reCAPTCHA, GraphQL, Twilio - QR Code, Barcode, DataMatrix Pure JS - Database: MySQL, SQL, MongoDB, MariaDB (restoring database from ibd and frm files) - Discord Bots, Discord Manager, NFT Discord Moderator, Discord Server Administrator - Translation: English, Arabic, and Kurdish (native Kurdish speaker) - Apache Guacamole Developer - WordPress: DIVI, Portfolio, E-commerce, Advanced Ads - Google: AdSense, Analytic, AdMob - Nexopos, ePOS JS SDK - Proxy: Squid, Dante-Server, 3Proxy - SuiteCRM - AI (Hugging Face, DreamShaper, DeepSeek, DeepSeek Coder, n8n ) Conclusion: If you have a problem, I have the means and experience to provide you with the best possible solution. less
Hire BryarGH
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Alhamdulillah, I am a professional Linux System Administrator with over 14 years of hands-on experience in managing, securing, and optimizing Linux-based servers and infrastructure. If you're a startup, entrepreneur, web agency, or enterprise looking for rock-solid server performance, automation, and security, you're...Alhamdulillah, I am a professional Linux System Administrator with over 14 years of hands-on experience in managing, securing, and optimizing Linux-based servers and infrastructure. If you're a startup, entrepreneur, web agency, or enterprise looking for rock-solid server performance, automation, and security, you're in the right place. I work closely with clients to build stable, scalable, and secure Linux environments What I Can Help You With: Linux Server Setup & Management: Debian, Ubuntu, CentOS, AlmaLinux, RHEL etc Installation, Disk partitioning, LVM, RAID, system hardening Performance tuning and troubleshooting Web Server Deployment: Apache2, Nginx, PHP-FPM, SSL/TLS, Let's Encrypt Virtual Hosts, Rewrite Rules, Reverse Proxy configuration Mail Server Configuration: Postfix, Dovecot, Zimbra, Roundcube etc SMTP, IMAP, SPF, DKIM, DMARC setup Email deliverability and spam protection DNS & Control Panels: BIND, PowerDNS, DNS record management Webmin, ISPConfig, CyberPanel, Virtualmin, Vestacp etc setups Cloud & DevOps Integration: Infrastructure automation using Bash and Ansible Server provisioning, patching, user/group management, cron jobs Experience with various cloud platforms Cloud server setup and management VPN & Proxy Services: Squid, 3proxy, WireGuard, OpenVPN, Anyconnect, PPTP, Ipsec IP rotation, IPv4/IPv6 support, authentication Monitoring & Logging: Zabbix, Nagios, Grafana, Cacti ELK Stack: Elasticsearch, Logstash, Kibana Virtualization & Containers: KVM, Proxmox, VMware ESXi Docker containers, Docker Compose, orchestration Database & Backup: MySQL/MariaDB setup, optimization, replication, backup & restore Rsync, Rclone, cloud/offsite backup strategies Custom backup scripting and automation If you’re looking for a trusted Linux expert to support or transform your infrastructure, let’s connect and discuss how I can help! less
Hire fullfun
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Your best investment in time and money starts here. I am a Senior Full Stack Engineer and AWS Architect specializing in backend systems, cloud infrastructure, DevOps, and AI-driven platforms. I build scalable, secure, and production-ready solutions for startups and growing businesses. In addition to core platform...Your best investment in time and money starts here. I am a Senior Full Stack Engineer and AWS Architect specializing in backend systems, cloud infrastructure, DevOps, and AI-driven platforms. I build scalable, secure, and production-ready solutions for startups and growing businesses. In addition to core platform engineering, I also deliver data-driven SEO solutions and automated trading systems, applying the same engineering discipline—performance, reliability, and security. I work end to end—from architecture design and backend development to deployment, optimization, and automation. If you need a senior engineer who can design, build, and optimize complex systems, I’m ready to help. Core Engineering Services - Full Stack & Backend Development (Python, FastAPI, Django, Node.js, React) - Cloud Architecture & Infrastructure (AWS, Azure, GCP) - DevOps, CI/CD, and Linux Server Configuration - REST & GraphQL API Development - AI Systems & RAG-Based Architectures - SQL Database Design & Performance Optimization Specialized / Optional Services - Technical SEO & Automation (performance, crawling, indexing) - Trading Bots & Indicators (Forex, Binary Options, MetaTrader) - Web Scraping & Data Ingestion Pipelines - SaaS Integration & System Automation - Website Performance & Speed Optimization - Security Setup (SSL, reverse proxy, CDN) - Raspberry Pi & Arduino custom script I’m an experienced engineer with strong expertise in Python, PHP, MySQL, HTML, CSS, C, C++, Perl, Java, cybersecurity, and both Linux and Windows environments. I genuinely enjoy working with code — exploring systems deeply, solving complex problems, and crafting clean, efficient solutions grounded in solid computer science principles. I take pride in my work and approach every project with professionalism, ownership, and attention to detail. P.S. The “10x programmer” isn’t a myth — they do exist. 🙂 less
Hire gunslinger
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hello, I am a Cisco Certified Internetwork Expert CCIE#46063 R&S with a UK based education , I have 13 years of extensive IP networking experience, designing, implementing and supporting large service provider networks as well as enterprise networkshello, I am a Cisco Certified Internetwork Expert CCIE#46063 R&S with a UK based education , I have 13 years of extensive IP networking experience, designing, implementing and supporting large service provider networks as well as enterprise networks less
Hire ccie7
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I am a servers expert And php developer worked as programmer since 2007 worked with every kind of servers and my current job is server specialist Worked with every kind of servers and panelsI am a servers expert And php developer worked as programmer since 2007 worked with every kind of servers and my current job is server specialist Worked with every kind of servers and panels less
Hire linuxpro2008
