CentOs Experts Para Contratação
Países
Localização específica
Exames
Remuneração por Hora (Dólares)
Avaliação
On-line
Mostrando 19 resultados
Freelancers Patrocinados
-
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 menos
Contratar servermaster
-
I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense...I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense Advanced | FreeBSD Advanced | Mikrotik MTCNA MTCWE | Palo Alto Expert | | Docker | Docker Compose | Nomad | Kubernetes | Ansible Expert | Terraform | Scripting Automation | WebServer Nginx and Apache Expert | | MySQL Tune High Performance | Indexing | Tune Up | | Github Action | Gitlab Pipelines Expert menos
Contratar dwinurhadi
-
Your search for the perfect freelancer ends here! As a computer engineer with over two decades of experience in the mainstream IT industry, I can deliver a wide range of hi-tech services including: ✅ Linux system administration (Ubuntu, Debian, Red Hat, CentOS, and more) ✅ Cloud computing (AWS, GCP, Oracle Cloud,...Your search for the perfect freelancer ends here! As a computer engineer with over two decades of experience in the mainstream IT industry, I can deliver a wide range of hi-tech services including: ✅ Linux system administration (Ubuntu, Debian, Red Hat, CentOS, and more) ✅ Cloud computing (AWS, GCP, Oracle Cloud, DigitalOcean, Azure, and more) ✅ Hosting control panels (cPanel/WHM, Plesk, Webmin/Virtualmin, DirectAdmin, and more) ✅ Website, server, and email migration ✅ Cybersecurity consulting ✅ Malware removal and security hardening ✅ Various CMS and E-commerce solutions and troubleshooting (WordPress, Joomla, Shopify, osCommerce, Zen Cart, Magento, MediaWiki, phpBB, and more) I work solo, and known among peers for my fast turnaround time and ability to fix difficult problems. Where others have failed, I will succeed. ✌️ My credentials include multiple certifications from Google, Cisco, AWS, cPanel, Plesk, CompTIA, MongoDB, (ISC)², Fortinet, and more. These certifications reflect hundreds of hours of training and real-world practice, making me uniquely qualified to handle your IT challenges. As of 2014, I am part of the Preferred Freelancer Program, the elite top 1% on this platform. As of 2022, I am a Freelancer Ambassador, tasked with special duties including moderating the community groups. My timezone is GMT +6, though I work round-the-clock to cater the needs of my clients in over 80 countries worldwide. My U.S. clientele alone spreads across 37 states. Click on the "Contact" button now to get started. If I have bid on your project, just click that "Award" or "Chat" button. I look forward to working with you! Notes for my first-time clients: ☑️ I have undergone a thorough and rigid identity verification process to receive the blue verified badge. This makes me more trustworthy when dealing with confidential data. ⛔ I do not work through remote access software such as TeamViewer or AnyDesk. ⛔ I do not "Accept" projects until verifiable login credentials are provided and verified. menos
Contratar Ekushey
-
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. menos
Contratar mrkimoz
-
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. 🙂 menos
Contratar gunslinger
-
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. menos
Contratar rupa37
-
Welcome to my profile! "30-Day Guarantee with Full Support Coverage After Project Completion!" I specialize in a wide range of technical skills and services to meet your needs: Technical Skills: ✅️ Website/ Plugins Development ✅️ Proficient in Chat GPT/ ChatGPT / AI technologies ✅️ Website Security ✅️ Website Speed...Welcome to my profile! "30-Day Guarantee with Full Support Coverage After Project Completion!" I specialize in a wide range of technical skills and services to meet your needs: Technical Skills: ✅️ Website/ Plugins Development ✅️ Proficient in Chat GPT/ ChatGPT / AI technologies ✅️ Website Security ✅️ Website Speed Optimization ✅️ Google/ Youtube/ Facebook/ Instagram/ Whatsapp Ads management. ✅️ Analytics Implementation. Web Development Stacks ✅️ LAMP Stack ✅️ MERN Stack Frontend Technologies ✅️ Figma ✅️ Bootstrap ✅️ React JS E-commerce Platforms ✅️ Shopify ✅️ Woocommerce ✅️ Magento ✅️ OpenCart ✅️ PrestaShop ✅️ CS-Cart ✅️ WHMCS ✅️ eBay ✅️ Amazon ✅️ Joomla Content Management Systems ✅️WordPress ✅️Wix ✅️Squarespace APIs ✅️Any Rest API ✅️YouTube API ✅️Facebook API ✅️Paypal API ✅️whatsapp API ✅️Twilio APi ✅️Google API SEO and Marketing ✅️SEO Programming and Development Frameworks ✅️Cake PHP Design ✅️Graphic Design Web Development: ✅️Expertise in creating mobile-responsive websites using HTML5, CSS3, Ajax, jQuery, and more. E-commerce Solutions: Delivering tangible and superior e-commerce solutions, including: E-tailing or "virtual storefronts" with online catalogs and virtual mall integration. Gathering and utilizing demographic data through web contacts. Facilitating business-to-business buying and selling. Ensuring the security of business transactions. Outsourcing Benefits: Guaranteed service delivery with enhanced Service Level Agreements. Access to highly skilled technical resources that many businesses cannot afford to employ in-house. Let's collaborate to bring your ideas to life and enhance your online presence! menos
Contratar extreamcode
-
⚡ Preferred Freelancer | ⚡ 13+ Years Experience in Web Security and WordPress Hello! I am Harwinder Kumar, a seasoned professional specializing in comprehensive Web Security and WordPress. I offer services in Malware Removal, Virus Removal, Ethical Hacking, Internet Security, WordPress Speed Optimization, Websites...⚡ Preferred Freelancer | ⚡ 13+ Years Experience in Web Security and WordPress Hello! I am Harwinder Kumar, a seasoned professional specializing in comprehensive Web Security and WordPress. I offer services in Malware Removal, Virus Removal, Ethical Hacking, Internet Security, WordPress Speed Optimization, Websites Transfer, SSL Installation, WordPress Development, Linux Server Administration and Zen Cart / Drupal / MODX / Moodle / Joomla CMS Upgrades. Achievements: ✅ Cleaned 5000+ websites successfully from malware with security enhancement. ✅ Conducted 1,000+ seamless website transfers. ✅ Completed more than 500 SSL installations. ✅ Optimized speed of 200+ WordPress websites. Services Offered: 1. Malware and Virus Removal (Cleaning Hacked Websites and Servers): ✔ Guaranteed 100% cleanup of websites, including databases from malicious code. ✔ Remediation of WP-VCD malware, backdoors, malicious javascript and conditional redirects. ✔ Specialized solutions for japanese keyword hack, SEO spam / pharma hack, credit card stealers and ecommerce malware. ✔ Google blacklist removal (This site may be hacked, The site ahead contains malware), google deceptive warning fix. ✔ McAfee SiteAdvisor, norton blacklist or any VirusTotal based blacklist fix. 2. Website Security Maintenance: Strategic security enhancements and guidance for future-proofing your digital assets. 3. Website Transfer and Migration: Expert transfer of websites to new hosts or domains for any PHP-based CMS or custom-coded websites. 4. SSL Installation and HTTPS Migration: Seamless migration from HTTP to HTTPS with secure padlock implementation. 5. WordPress Development and Troubleshooting: Comprehensive development and issue resolution, including critical and fatal error fixes. 6. HTTP Security Headers Fix: Implementation of essential security headers to protect your web application from common vulnerabilities and threats. 7. Linux Server Administration: Efficient server management promoting optimal performance and security. 8. WordPress Speed Optimization: Proven methods to enhance website performance following Google PageSpeed and GTmetrix standards. 9. Platform Upgrades: Upgrading Zen Cart, Drupal, MODX, Moodle and Joomla to their latest stable versions. 10. Penetration Testing: Thorough security vulnerability assessments to safeguard your web presence. If you're looking for a trusted partner to secure, optimize and enhance your digital operations, I am here to deliver superior solutions tailored to your needs. Let's collaborate to ensure your website is both secure and performing at its peak! menos
Contratar arfharwinder
-
My name is Anthony Munoz, Senior Software Engineer What services can i do for you? - Web3 development - APIs development, App development. - Website development and building - Data Scrapping and Mining - Python development - Linux Admin and Bash development - Database development, mysql, postgresql, mongodb, etc. -...My name is Anthony Munoz, Senior Software Engineer What services can i do for you? - Web3 development - APIs development, App development. - Website development and building - Data Scrapping and Mining - Python development - Linux Admin and Bash development - Database development, mysql, postgresql, mongodb, etc. - AWS services, DevOps - Data Scientist - Jupyter and pandas tools. - Java Development - javaScript Development Technologies Solidity, Flask, Rabbit, IBM IoT, Jupyter Notebook, Amazon IoT, Pandas, Amazon Services, Neupy, Machine Learning, Plotly, Different Databases, Docker, Matlab, Bokeh, JSON - XML, Docker-Compose menos
Contratar dataspro
-
I have 8 years of Experience as a System Administrator and expert in Linux, Asterisk, vicidial and openvpn.I have 8 years of Experience as a System Administrator and expert in Linux, Asterisk, vicidial and openvpn. menos
Contratar ameer89898