Ubuntu下系统CPU/内存/GPU/硬盘监控查看指令

1.实时监控CPU及内存的

Htop监控

#安装
sudo apt-get install htop
#启动htop
htop

Ubuntu默认监控器

Win+A打开所有APP，搜索System Monitor
System Monitor如下

2.查看硬盘空间及分区(df -h)

$ df -h
Filesystem      Size  Used Avail Use% Mounted on
udev            3.9G     0  3.9G   0% /dev
tmpfs           787M  1.8M  785M   1% /run
/dev/sda7       126G  7.8G  112G   7% /
tmpfs           3.9G     0  3.9G   0% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/loop0       62M   62M     0 100% /snap/core20/1611
/dev/loop2       55M   55M     0 100% /snap/snap-store/558
/dev/loop3       47M   47M     0 100% /snap/snapd/16292
/dev/loop1      347M  347M     0 100% /snap/gnome-3-38-2004/115
/dev/loop4       92M   92M     0 100% /snap/gtk-common-themes/1535
/dev/loop5      128K  128K     0 100% /snap/bare/5
/dev/sda6        75G  339M   71G   1% /home
tmpfs           787M   76K  787M   1% /run/user/1000

3.监控GPU

安装nvidia-smi命令

# 输入nvidia-smi命令提示，需要安装，如下所示
$nvidia-smi
Command 'nvidia-smi' not found, but can be installed with:

sudo apt install nvidia-340               # version 340.108-0ubuntu5.20.04.2, or
sudo apt install nvidia-utils-390         # version 390.157-0ubuntu0.20.04.1
sudo apt install nvidia-utils-450-server  # version 450.216.04-0ubuntu0.20.04.1
sudo apt install nvidia-utils-470         # version 470.161.03-0ubuntu0.20.04.1
sudo apt install nvidia-utils-470-server  # version 470.161.03-0ubuntu0.20.04.1
sudo apt install nvidia-utils-510         # version 510.108.03-0ubuntu0.20.04.1
sudo apt install nvidia-utils-515         # version 515.86.01-0ubuntu0.20.04.1
sudo apt install nvidia-utils-515-server  # version 515.86.01-0ubuntu0.20.04.2
sudo apt install nvidia-utils-525-server  # version 525.60.13-0ubuntu0.20.04.1
sudo apt install nvidia-utils-435         # version 435.21-0ubuntu7
sudo apt install nvidia-utils-440         # version 440.82+really.440.64-0ubuntu6
sudo apt install nvidia-utils-525         # version 525.78.01-0ubuntu0.20.04.1
sudo apt install nvidia-utils-418-server  # version 418.226.00-0ubuntu0.20.04.2

安装nvidia-smi命令

# 安装
sudo apt install nvidia-340
# 查看
nvidia-smi

执行命令后，显示内容如下

$ nvidia-smi
Thu Jan 19 17:17:32 2023       
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 525.78.01    Driver Version: 525.78.01    CUDA Version: 12.0     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA GeForce ...  Off  | 00000000:01:00.0 Off |                  N/A |
| N/A   40C    P8    N/A /  N/A |      7MiB /  2048MiB |      0%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A       855      G   /usr/lib/xorg/Xorg                  2MiB |
|    0   N/A  N/A      1465      G   /usr/lib/xorg/Xorg                  2MiB |
+-----------------------------------------------------------------------------+

输入nvidia-smi，提示报错
$ nvidia-smi
NVIDIA-SMI has failed because it couldn’t communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.
提示未安装显卡驱动

每1秒刷新一次
watch -n 1 nvidia-smi