htop vs Nagios

htop

Description: htop is an interactive process viewer for Linux. It is similar to the default top command but with a customizable interface, additional features, and improved usability.

Type: software

Pricing: Free

Nagios

Description: Nagios is an open-source monitoring system that allows administrators to monitor network infrastructure like servers, switches, applications, and services. It can notify users when issues arise and help identify problems in a timely manner.

Type: software

Pricing: Open Source

htop Features

• Interactive interface with ability to scroll, sort processes, kill processes, change priority
• Color-coded meters for CPU, memory, swap usage
• Ability to monitor multiple processes and system resource usage
• Tree view to see parent-child process relationships
• Search and filter processes
• Customizable interface and color schemes
• Mouse support

Nagios Features

• Monitoring of network services (HTTP, SMTP, POP3, ICMP, etc)
• Monitoring of host resources (processor load, disk usage, etc)
• Simple plugin design for easy extensibility
• Alerting and notification when problems arise
• Web interface for viewing current network status, alerts and reports
• Support for SNMP polling for switch/router monitoring
• Remote monitoring capabilities with secure tunneling

htop

• Free

Nagios

• Open Source