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gayashanjayasi

Uditha Jayasing

@gayashanjayasi

System Administrator

Sri Lanka
Englisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
I’m a Systems Administrator who enjoys working with technology, solving problems, and keeping IT systems running smoothly. I’m always interested in learning new things and improving the way I work.... Mehr lesen

Kompetenzen

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gayashanjayasi
Uditha Jayasing
offline • 
Durchschnittliche Antwortzeit: 1 Stunde

Meine Dienstleistungen

Support & IT
I will set up and secure your linux or windows server
Ab40 $ / ProjektWeitere Details
Server-Administration
I will update PHP and apply linux server security patches
Ab15 $ / ProjektWeitere Details

Portfolio

Arbeitserfahrung

Domain

System administrator

Domain • Vollzeit

May 2024 - Present • 2 yrs 5 mos

Manage and maintain Linux-based servers, web applications, and IT infrastructure in a production environment. Provide technical support, troubleshoot system and application issues, and maintain reliable and secure services. • Administer Linux servers (Ubuntu/Debian) and web servers including Apache, Nginx, and Caddy • Deploy and maintain PHP, PHP-FPM, MariaDB/MySQL, Docker, and web applications • Manage DNS, SSL/TLS certificates, Cloudflare, firewalls, VPNs, and server security • Monitor system performance, troubleshoot networking and server issues, and resolve service outages • Maintain and support Moodle LMS, WordPress, and other web-based platforms • Perform server migrations, backups, updates, configuration, and performance optimization • Implement security monitoring and vulnerability assessment using tools such as Wazuh, SentinelOne, Nessus, and OWASP ZAP • Automate routine administration tasks using Bash scripting and cron • Provide technical support and troubleshoot Linux, networking, application, and infrastructure issues