18 Command Line Tools to Monitor Linux Performance

Original post: http://www.tecmint.com/command-line-tools-to-monitor-linux-performance/

It contains a description of the following tools:

1. Top – Linux Process Monitoring
2. VmStat – Virtual Memory Statistics
3. Lsof – List Open Files
4. Tcpdump – Network Packet Analyzer
5. Netstat – Network Statistics
6. Htop – Linux Process Monitoring
7. Iotop – Monitor Linux Disk I/O
8. Iostat – Input/Output Statistics
9. IPTraf – Real Time IP LAN Monitoring
10. Psacct or Acct – Monitor User Activity
11. Monit – Linux Process and Services Monitoring
12. NetHogs – Monitor Per Process Network Bandwidth
13. iftop – Network Bandwidth Monitoring
14. Monitorix – System and Network Monitoring
15. Arpwatch – Ethernet Activity Monitor
16. Suricata – Network Security Monitoring
17. VnStat PHP – Monitoring Network Bandwidth
18. Nagios – Network/Server Monitoring