Linux Server Administration

Linux server administration across CentOS and Ubuntu environments, including remote access, service management, networking, system monitoring, and core server operations.

Environment Lab / Demonstration Environment
Scope Linux Systems & Services
Platforms CentOS · Ubuntu Server · SSH · systemd
Focus Administration · Services · Monitoring · Troubleshooting

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Linux servers provide the foundation for many web, database, infrastructure, and application services. This project highlights administration across CentOS and Ubuntu systems, including remote SSH access, service management, network configuration, resource monitoring, logging, security services, and general operating-system maintenance.

System & Service Administration

Linux services are managed through tools such as systemd to start, stop, enable, inspect, and troubleshoot background processes. Monitoring service state and system resources helps maintain reliable operation of web, database, networking, and infrastructure workloads.

Remote Access & Command Line

SSH provides secure remote administration of Linux servers for configuration, maintenance, troubleshooting, and monitoring. Command-line tools provide direct visibility into operating-system information, interfaces, processes, logs, services, and resource utilization.

Monitoring & Security

Linux administration includes reviewing CPU, memory, disk, network activity, system logs, firewall status, and service health. Tools such as UFW and Fail2Ban can complement system monitoring by helping control network access and reduce repeated unauthorized login attempts.

**CentOS Server Administration** — System health, processor and memory utilization, storage volumes, network interfaces, running services, software updates, logs, and active user sessions.

**Ubuntu Server, SSH & Services** — Remote administration, operating-system information, network configuration, systemd service status, SSH management, and command-line troubleshooting.

Working across multiple Linux distributions reinforces the core administration skills that remain consistent between environments: remote access, service management, networking, resource monitoring, security, logging, and troubleshooting. Familiarity with both graphical and command-line administration provides flexibility when supporting Linux-based infrastructure and applications.