1.首先检查pip是否已安装，默认Linux（指ubuntu18.04和centos7.5）自带python版本为2.7 ，且没有pip工具

pip --version  #python2--查看pip版本，用于验证pip是否已安装

未安装的话使用以下命令(默认为root的用户)
centos下：

yum install pip

ubuntu下：

apt-get install pip

2.安装完成再次使用“pip --version”查看pip是否安装成功，同时查看pip版本（我自己安装时系统默认安装pip版本为9.0.3），如下图即为pip安装成功

3.安装gpustat

pip install gpustat

测试使用

watch --color -n1 gpustat -cpu

安装过程可能出现的问题：

1.若错误信息提示如下，说明pip版本太低，则需要升级pip版本：

You are using pip version 9.0.3, however version 20.0.2 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

升级命令，则是缺少

python -m pip install --upgrade pip

2.若错误信息如下,说明缺少python-dev库

Processing /root/.cache/pip/wheels/2b/47/e0/5795c4ce1bf6e5f42df33e6f265b4c980d4d2b7bf527d090e9/gpustat-0.6.0-py2-none-any.whl
Requirement already satisfied: nvidia-ml-py>=7.352.0 in /usr/local/lib/python2.7/dist-packages (from gpustat) (375.53.1)
Requirement already satisfied: six>=1.7 in /usr/local/lib/python2.7/dist-packages (from gpustat) (1.14.0)
Collecting psutil
  Using cached psutil-5.7.0.tar.gz (449 kB)
Collecting blessings>=1.6
  Using cached blessings-1.7-py2-none-any.whl (26 kB)
Building wheels for collected packages: psutil
  Building wheel for psutil (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: /usr/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-y4obCv/psutil/setup.py'"'"'; __file__='"'"'/tmp/pip-install-y4obCv/psutil/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-VB11PO
       cwd: /tmp/pip-install-y4obCv/psutil/
  Complete output (44 lines):
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.linux-x86_64-2.7
  creating build/lib.linux-x86_64-2.7/psutil
  copying psutil/_compat.py -> build/lib.linux-x86_64-2.7/psutil
  copying psutil/_psosx.py -> build/lib.linux-x86_64-2.7/psutil
  copying psutil/_psaix.py -> build/lib.linux-x86_64-2.7/psutil
  copying psutil/__init__.py -> build/lib.linux-x86_64-2.7/psutil
  copying psutil/_pslinux.py -> build/lib.linux-x86_64-2.7/psutil
  copying psutil/_pssunos.py -> build/lib.linux-x86_64-2.7/psutil
  copying psutil/_psposix.py -> build/lib.linux-x86_64-2.7/psutil
  copying psutil/_common.py -> build/lib.linux-x86_64-2.7/psutil
  copying psutil/_psbsd.py -> build/lib.linux-x86_64-2.7/psutil
  copying psutil/_pswindows.py -> build/lib.linux-x86_64-2.7/psutil
  creating build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_windows.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_memory_leaks.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/__init__.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_osx.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_misc.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_aix.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_unicode.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/__main__.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/runner.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_sunos.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_connections.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_system.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_linux.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_contracts.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_process.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_posix.py -> build/lib.linux-x86_64-2.7/psutil/tests
  copying psutil/tests/test_bsd.py -> build/lib.linux-x86_64-2.7/psutil/tests
  running build_ext
  building 'psutil._psutil_linux' extension
  creating build/temp.linux-x86_64-2.7
  creating build/temp.linux-x86_64-2.7/psutil
  x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -Wdate-time -D_FORTIFY_SOURCE=2 -g -fdebug-prefix-map=/build/python2.7-5Z483E/python2.7-2.7.17=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -DPSUTIL_POSIX=1 -DPSUTIL_SIZEOF_PID_T=4 -DPSUTIL_VERSION=570 -DPSUTIL_LINUX=1 -I/usr/include/python2.7 -c psutil/_psutil_common.c -o build/temp.linux-x86_64-2.7/psutil/_psutil_common.o
  psutil/_psutil_common.c:9:10: fatal error: Python.h: No such file or directory
   #include <Python.h>
            ^~~~~~~~~~
  compilation terminated.
  error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
  ----------------------------------------
  ERROR: Failed building wheel for psutil
  Running setup.py clean for psutil
Failed to build psutil
Installing collected packages: psutil, blessings, gpustat
    Running setup.py install for psutil ... error
    ERROR: Command errored out with exit status 1:
     command: /usr/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-y4obCv/psutil/setup.py'"'"'; __file__='"'"'/tmp/pip-install-y4obCv/psutil/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-VXx2nT/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python2.7/psutil
         cwd: /tmp/pip-install-y4obCv/psutil/
    Complete output (44 lines):
    running install
    running build
    running build_py
    creating build
    creating build/lib.linux-x86_64-2.7
    creating build/lib.linux-x86_64-2.7/psutil
    copying psutil/_compat.py -> build/lib.linux-x86_64-2.7/psutil
    copying psutil/_psosx.py -> build/lib.linux-x86_64-2.7/psutil
    copying psutil/_psaix.py -> build/lib.linux-x86_64-2.7/psutil
    copying psutil/__init__.py -> build/lib.linux-x86_64-2.7/psutil
    copying psutil/_pslinux.py -> build/lib.linux-x86_64-2.7/psutil
    copying psutil/_pssunos.py -> build/lib.linux-x86_64-2.7/psutil
    copying psutil/_psposix.py -> build/lib.linux-x86_64-2.7/psutil
    copying psutil/_common.py -> build/lib.linux-x86_64-2.7/psutil
    copying psutil/_psbsd.py -> build/lib.linux-x86_64-2.7/psutil
    copying psutil/_pswindows.py -> build/lib.linux-x86_64-2.7/psutil
    creating build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_windows.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_memory_leaks.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/__init__.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_osx.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_misc.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_aix.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_unicode.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/__main__.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/runner.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_sunos.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_connections.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_system.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_linux.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_contracts.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_process.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_posix.py -> build/lib.linux-x86_64-2.7/psutil/tests
    copying psutil/tests/test_bsd.py -> build/lib.linux-x86_64-2.7/psutil/tests
    running build_ext
    building 'psutil._psutil_linux' extension
    creating build/temp.linux-x86_64-2.7
    creating build/temp.linux-x86_64-2.7/psutil
    x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -Wdate-time -D_FORTIFY_SOURCE=2 -g -fdebug-prefix-map=/build/python2.7-5Z483E/python2.7-2.7.17=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -DPSUTIL_POSIX=1 -DPSUTIL_SIZEOF_PID_T=4 -DPSUTIL_VERSION=570 -DPSUTIL_LINUX=1 -I/usr/include/python2.7 -c psutil/_psutil_common.c -o build/temp.linux-x86_64-2.7/psutil/_psutil_common.o
    psutil/_psutil_common.c:9:10: fatal error: Python.h: No such file or directory
     #include <Python.h>
              ^~~~~~~~~~
    compilation terminated.
    error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
    ----------------------------------------
ERROR: Command errored out with exit status 1: /usr/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-y4obCv/psutil/setup.py'"'"'; __file__='"'"'/tmp/pip-install-y4obCv/psutil/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-VXx2nT/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python2.7/psutil Check the logs for full command output.

python-dev库安装：

注意：python-dev的包在centos的yum中不叫python-dev，而是python-devel.

#需要指定python版本，以我自己为例
python --version
Python 2.7.17

#则安装对应版本的包
apt install python2.7-dev   #ubuntu下
yum install python2.7-devel  #centos下

 

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