====== System monitoring tool ======

==== 온도 ====

<code bash>
sudo apt install lm-sensors

watch -n 2 sensors
</code>

==== bottom ====

<code bash>
$ cargo install bottom
$ . ~/.bashrc
$ btm
</code>



==== bpytop ====

  pip install bpytop

==== Htop ====

  sudo apt install htop
  
==== Glances ====

  sudo pip install glances
  
  # gpu 모니터링 (print 함수 사용하도록 수정된 버전)
  sudo pip install git+https://github.com/jonsafari/nvidia-ml-py.git


  sudo apt-get install -y python-pip; sudo pip install glances[gpu]
  

서비스 등록

  sudo vi /etc/systemd/system/glances.service
  
  /// glances.service 에 입력
  [Unit]
  Description=Glances
  
  [Service]
  ExecStart=/usr/local/bin/glances -s
  Restart=on-abort
  
  [Install]
  WantedBy=multi-user.target
  ///
  
  sudo systemctl enable glances.service
  sudo systemctl start glances.service
  
  # 확인
  sudo systemctl -a | grep glances


  # 접속
  glances -c {ip address}  # 기본 포트는 61209
  
  glances --browser
  # master 설정은 ~/.config/glances/glances.conf
  
  ///
  [serverlist]
  # Define the static servers list
  server_1_name=n1
  server_1_port=61209
  server_2_name=n2
  server_2_port=61209
  ///


  * https://github.com/nicolargo/glances/wiki/Start-Glances-through-Systemd
===== Network =====

<code bash>
sudo apt install bmon
bmon
</code>

===== Ganglia =====

===== 서버 설치 =====

  sudo apt-get install -y ganglia-monitor rrdtool gmetad ganglia-webfrontend
  
  sudo cp /etc/ganglia-webfrontend/apache.conf /etc/apache2/sites-enabled/ganglia.conf
  
  # 아파치 재시작
  sudo service apache2 restart

==== 클라이언트 설치 ====

  sudo apt-get install -y ganglia-monitor

  * https://www.digitalocean.com/community/tutorials/introduction-to-ganglia-on-ubuntu-14-04


==== GPU 모니터링 ====

  * https://github.com/ganglia/gmond_python_modules/tree/master/gpu/nvidia
  * https://github.com/wookayin/gpustat


===== GPU =====

  * nvidia-smi

<code bash>
nvidia-smi dmon
watch --interval 1 nvidia-smi -q -d MEMORY,TEMPERATURE,COMPUTE
</code>

  * [[https://github.com/Syllo/nvtop|nvtop]]

===== IO =====

  * iotop
===== 참고 =====

  * [[https://injae-kim.github.io/dev/2020/07/09/how-to-check-single-server-load-average.html?utm_source=gaerae.com&utm_campaign=%EA%B0%9C%EB%B0%9C%EC%9E%90%EC%8A%A4%EB%9F%BD%EB%8B%A4&utm_medium=social|서버에 걸리는 부하, 추측하지 말고 계측하자]]

{{tag>htop monitoring 모니터링 linux }}