Network monitoring


### function
```typenetstat | grep TIME_WAIT | wc -lnetstat | grep ESTABLISHED | wc -l# Very Heavy - Short Time onlywhile sleep 0.1; do netstat | grep TIME_WAIT | wc -l; netstat | grep ESTABLISHED | wc -l; done```


[network-monitor](https://texonom.com/network-monitor-bde5d3e29d43430b8d17a8ff0b08a7c5)



- ab
```typeab -n 100 -c 10 -g result.plot http://google.com/index.html```
> [AB(Apache HTTP server benchmarking tool)를 활용해 벤치마킹 테스트 해보기](https://blog.hkwon.me/ab-apache-http-server-benchmarking-tool/)


- apache jmeter
> [[성능테스트] Apache - JMeter 사용법](https://huistorage.tistory.com/84)

> [리눅스 서버의 TCP 네트워크 성능을 결정짓는 커널 파라미터 이야기 - 1편 : TOAST Meetup](https://meetup.toast.com/posts/53)


> [CentOS TCP 성능 튜닝 - Apache 성능 최대화](https://chsoong.tistory.com/47)

# net


- iftop
- nethogs


> [3 Best Command Line Tool for Network Bandwidth Monitoring - debugpoint.com](https://www.debugpoint.com/2016/10/3-best-command-line-tool-network-bandwidth-monitoring-ubuntu-linux/)

> vnstat







[Network Traffic Monitoring](https://texonom.com/network-traffic-monitoring-47d0269239cd43b1b46deaf1fe69c93d)
