🌟 Awesome Sysadmin Resources 🌟

Ansible Automation platform for configuration management, application deployment, and orchestration.
Nagios Monitoring system for networks, servers, and applications with alerting capabilities.
Zabbix Enterprise-class monitoring solution for networks and applications with visualization dashboards.
Grafana Open-source analytics and monitoring platform for metrics visualization.
Elastic Stack (ELK) Search, logging, and analytics stack (Elasticsearch, Logstash, Kibana) for centralized log management.
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Log Management Tools

Fluentd Data collector for unified logging layer. (Apache-2.0, Ruby)
Apache Flume Distributed service for collecting, aggregating, and moving large amounts of log data. (Apache-2.0, Java)
GoAccess Real-time web log analyzer and interactive viewer for terminal or browser. (MIT, C)
Loki Log aggregation system designed to store and query logs from applications and infrastructure. (AGPL-3.0, Go)
Reaction Lightweight daemon that scans program outputs for repeated patterns and takes action. (AGPL-3.0, Rust)
Rsyslog Rocket-fast system for log processing. (GPL-3.0, C)

IT Asset Management

GLPI Open-source IT asset management and helpdesk system for inventory, ticketing, and financial tracking.
OCS Inventory NG Tool for automated inventory of IT assets with agent-based data collection.
RackTables Data center and server room asset management system for racks, network addresses, and hardware.
Ralph Asset management, DCIM, and CMDB system with support for hardware lifecycle and IP address management.
Snipe-IT Web-based IT asset management system for tracking hardware, software, and accessories.