PHP

Oleksandr Meleshchuk

System & Network Administration · DevOps

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184

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- Development, design, maintenance of the computer networks, computer equipment, network services, improvement and analysis of existing network, server, and service infrastructure; - Users’ technical and software support; - Setting up and maintaining Microsoft based operation systems WinXX, Windows Server 20XX; - Setting up and maintaining Linux based operation systems Debian, Ubuntu, CentOS, and Unix-like FreeBSD; - Administration of the: MTA(Dovecot, Postfix, Exim4, MS Exchange Server), FTP, SQL(MS SQL, MySQL, PostgreSQL, MongoDB), LAMP(Apache, Nginx, PHP), HAProxy, DNS, DHCP, NPS, DFS,…

Stepan Golub

System & Network Administration · Software & Server Configuration

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181

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Andrii Hryhoriev

System & Network Administration · PHP

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155

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Vitalii

DevOps · System & Network Administration

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175

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- I am a System Engineer with more than 20 years of extensive experience in systems design, administration, support including 5 years working as a DevOps Engineer. - My expertise encompasses effective planning, design, installation, configuration, maintenance, and optimization of IT systems for achieving high availability and performance. - I am skilled in working with cloud computing platforms such as Amazon Web Services, creating and configuring the infrastructure using IaC tools, and working with CI/CD process and source control tools. - Additionally, I have experience as a Chief Technology…

Vladyslav Havrylov

System & Network Administration · Software & Server Configuration

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172

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Vionixcloud.com : Cloud & SysAdmin Services — Professional Cloud Hosting, VPS, Network & Web Infrastructure Management. Reliable & Secure IT Solutions. VPS/VDS Deployment & Hosting: Setup and provisioning tailored to your performance requirements (Linux / Windows). OS Administration & Tuning: System hardening, performance optimization, control panel setup (aaPanel, HestiaCP, ISPmanager, cPanel, etc.). Seamless Migration: Zero-downtime migration for websites, databases, and core business applications. Networking & MikroTik MikroTik Configuration: Advanced routing, firewall rules, VLAN…

Sviatoslav Hrabar

Databases & SQL · System & Network Administration

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168

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I help website owners fix the technical problems that stop their sites, domains, email or WordPress dashboards from working properly. My strongest area is practical hosting support: WordPress troubleshooting, DNS records, cPanel, website migrations, database checks, wp-config.php, .htaccess, domain email records, Cloudflare DNS and SSL/HTTPS issues. I work best on clear, focused tasks such as: • WordPress errors after updates or migration • DNS/domain connection problems • cPanel, phpMyAdmin and hosting-panel checks • SSL/HTTPS setup, expired certificates, redirect loops and mixed content •…

DNS Audit & Domain Connection — Demo Case

18 USD

0 70

DNS Audit & Domain Connection — Demo Case

System & Network Administration

A sample workflow for checking why a domain does not point to the expected website. Covers NS, A, CNAME, MX, TTL, propagation, Cloudflare DNS, and hosting connection. This is a demo case, not a confidential client project.