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Felix
@filipmarinov
Linux Sysadmin
Macedônia do Norte
Inglês
Sobre mim
I have hands-on experience working with Linux servers, web hosting, databases, security, monitoring, WordPress, backups and troubleshooting. I can help with anything from a specific Linux server issue to general server configuration and maintenance. My strong knowledge of web development, Linux system administration, and WordPress allows me to approach problems from different angles and find effective solutions. With hands-on experience troubleshooting Linux servers, websites, databases, and WordPress issues, I can quickly identify the root cause and work toward a reliable solution.
Habilidades
Felix
offline •
Conheça meus serviços
Administração de servidores
I will troubleshoot linux issues and handle complex server configurations
Gerenciamento de e-mails
I will fix your email issues
Experiência profissional
Linux Sysadmin
Touch Corp • Freelance
May 2024 - Present • 2 yrs 3 mos
• Led end-to-end incident response for production systems, performing root cause analysis and restoring critical services (SSH, MySQL, Nginx, Apache) under time pressure. • Troubleshot complex networking and DNS issues across distributed systems, resolving connectivity failures and reducing service downtime. • Managed backup and disaster recovery ensuring rapid restoration of critical systems • Conducted detailed log analysis and system monitoring to diagnose service disruptions, performance degradation, and security-related events. Used Prometheus and Grafana for metrics visualization and alerting, with primary root cause investigations performed through server and application logs • Diagnosed and resolved firewall issues using CSF and iptables, handling port configurations, securing SSH access, and fixing blocked connections. • Managed backup and disaster recovery processes, using Acronis off-server backup and cloud backups, ensuring data integrity and rapid restoration of servers, databases, and critical files. • Installed and maintained MySQL/ MariaDB, PostgreSQL, Redis, Docker across AlmaLinux, CentOS, and Ubuntu environments, including troubleshooting service failures and resource bottlenecks. • Performed full and partial database restorations (individual databases and tables) during incidents, ensuring minimal downtime and data consistency. Assisted in troubleshooting replication and performance-related issues while maintaining reliable backup strategies • Configured and maintained Nginx reverse proxies, Apache virtual hosts, and SSL/ TLS certificates for secure web services. • Conducted vulnerability-related investigations mainly by using PCI scans, system hardening activities, and firewall rule audits to reduce attack surface. • Assisted with load balancer configuration and troubleshooting in production environments. Worked with Docker in Linux environments and gained familiarity with Kubernetes concepts through troubleshooting outages.
