Services
I provide technical maintenance for websites, online stores, VPS servers and Linux environments. My approach is practical: diagnosis, fixing, hardening, backups, monitoring and service continuity.
Website and e-commerce maintenance
- WordPress, PrestaShop, updates, migrations and troubleshooting,
- diagnosis of 500, 502, 503 and 504 errors, PHP issues and database problems,
- optimization of nginx, PHP-FPM, MariaDB/MySQL, Redis and cache,
- backups, data recovery and emergency procedures.
Linux servers, VPS and Proxmox
- administration of Debian, Ubuntu, RedHat and OEL,
- configuration of nginx, Apache, SSL, PHP-FPM, MariaDB/MySQL and Redis,
- maintenance of VPS, LXC, Proxmox and production environments,
- automation with Bash, Python and Ansible.
Security and hardening
- improving security of Linux systems and web applications,
- network-level server protection: firewall, VPN, SSH and access restrictions,
- ModSecurity, OWASP CRS, CrowdSec, Wazuh, log analysis and attack blocking,
- post-hack support: analysis, malware cleanup, backdoor removal and environment hardening.
Monitoring and ongoing care
- Zabbix, Nagios, Grafana, Site24x7, e-mail/SMS alerts,
- monitoring of websites, services, SSL certificates, CPU, RAM, disks and databases,
- ongoing environment care and fast incident response.