Unix/Linux system administration

Experience in administering Linux/Unix servers to ensure the reliability, security, and scalability of the infrastructure. Configuration, maintenance, and monitoring of servers to ensure the uninterrupted operation of applications and services.

- Installation and configuration of Linux (Ubuntu/Debian/CentOS) servers.
- Configuration of SSH for secure remote access.
- User and access rights configuration.
- Package management.
- Configuration and management of the firewall.
- Optimization of system parameters to improve performance.
- System monitoring using Top, Htop, Systemd, Nagios, Zabbix.