cannot install tensorboard

[CommandoHuan]

i've installed by command: pip install -r requirements.txt
Almost successfully until install tensorboard==1.14.0. It raised error:

Collecting cycler==0.10.0 (from -r requirements.txt (line 1))
Using cached https://files.pythonhosted.org/packages/f7/d2/e07d3ebb2bd7af696440ce7e754c59dd546ffe1bbe732c8ab68b9c834e61/cycler-0.10.0-py2.py3-none-any.whl
Collecting joblib==0.14.0 (from -r requirements.txt (line 2))
Using cached https://files.pythonhosted.org/packages/8f/42/155696f85f344c066e17af287359c9786b436b1bf86029bb3411283274f3/joblib-0.14.0-py2.py3-none-any.whl
Collecting kiwisolver==1.1.0 (from -r requirements.txt (line 3))
Using cached https://files.pythonhosted.org/packages/f8/a1/5742b56282449b1c0968197f63eae486eca2c35dcd334bab75ad524e0de1/kiwisolver-1.1.0-cp36-cp36m-manylinux1_x86_64.whl
Collecting matplotlib==3.0.3 (from -r requirements.txt (line 4))
Using cached https://files.pythonhosted.org/packages/e9/69/f5e05f578585ed9935247be3788b374f90701296a70c8871bcd6d21edb00/matplotlib-3.0.3-cp36-cp36m-manylinux1_x86_64.whl
Collecting numpy==1.17.2 (from -r requirements.txt (line 5))
Using cached https://files.pythonhosted.org/packages/e5/e6/c3fdc53aed9fa19d6ff3abf97dfad768ae3afce1b7431f7500000816bda5/numpy-1.17.2-cp36-cp36m-manylinux1_x86_64.whl
Collecting opencv-python==4.1.1.26 (from -r requirements.txt (line 6))
Using cached https://files.pythonhosted.org/packages/5e/7e/bd5425f4dacb73367fddc71388a47c1ea570839197c2bcad86478e565186/opencv_python-4.1.1.26-cp36-cp36m-manylinux1_x86_64.whl
Collecting pyparsing==2.4.2 (from -r requirements.txt (line 7))
Using cached https://files.pythonhosted.org/packages/11/fa/0160cd525c62d7abd076a070ff02b2b94de589f1a9789774f17d7c54058e/pyparsing-2.4.2-py2.py3-none-any.whl
Collecting python-dateutil==2.8.0 (from -r requirements.txt (line 8))
Using cached https://files.pythonhosted.org/packages/41/17/c62faccbfbd163c7f57f3844689e3a78bae1f403648a6afb1d0866d87fbb/python_dateutil-2.8.0-py2.py3-none-any.whl
Collecting scikit-learn==0.21.3 (from -r requirements.txt (line 9))
Using cached https://files.pythonhosted.org/packages/a0/c5/d2238762d780dde84a20b8c761f563fe882b88c5a5fb03c056547c442a19/scikit_learn-0.21.3-cp36-cp36m-manylinux1_x86_64.whl
Collecting scipy==1.3.1 (from -r requirements.txt (line 10))
Using cached https://files.pythonhosted.org/packages/29/50/a552a5aff252ae915f522e44642bb49a7b7b31677f9580cfd11bcc869976/scipy-1.3.1-cp36-cp36m-manylinux1_x86_64.whl
Collecting six==1.12.0 (from -r requirements.txt (line 11))
Using cached https://files.pythonhosted.org/packages/73/fb/00a976f728d0d1fecfe898238ce23f502a721c0ac0ecfedb80e0d88c64e9/six-1.12.0-py2.py3-none-any.whl
Collecting sklearn==0.0 (from -r requirements.txt (line 12))
Using cached https://files.pythonhosted.org/packages/1e/7a/dbb3be0ce9bd5c8b7e3d87328e79063f8b263b2b1bfa4774cb1147bfcd3f/sklearn-0.0.tar.gz
Collecting wincertstore==0.2 (from -r requirements.txt (line 13))
Using cached https://files.pythonhosted.org/packages/d1/67/12f477fa1cc8cbcdc78027c9fb0933ad41daf2e95a29d1cc8f34fe80c692/wincertstore-0.2-py2.py3-none-any.whl
Collecting Flask==1.1.1 (from -r requirements.txt (line 14))
Using cached https://files.pythonhosted.org/packages/9b/93/628509b8d5dc749656a9641f4caf13540e2cdec85276964ff8f43bbb1d3b/Flask-1.1.1-py2.py3-none-any.whl
Collecting imutils==0.5.3 (from -r requirements.txt (line 15))
Using cached https://files.pythonhosted.org/packages/b5/94/46dcae8c061e28be31bcaa55c560cb30ee9403c9a4bb2659768ec1b9eb7d/imutils-0.5.3.tar.gz
Collecting scikit-image==0.16.2 (from -r requirements.txt (line 16))
Using cached https://files.pythonhosted.org/packages/c8/bb/771800366f41d66eef51e4b80515f8ef7edab234a3f244fdce3bafe89b39/scikit_image-0.16.2-cp36-cp36m-manylinux1_x86_64.whl
Collecting tensorboard==1.14.0 (from -r requirements.txt (line 17))
Using cached https://files.pythonhosted.org/packages/91/2d/2ed263449a078cd9c8a9ba50ebd50123adf1f8cfbea1492f9084169b89d9/tensorboard-1.14.0-py3-none-any.whl
Collecting torch==1.4.0 (from -r requirements.txt (line 18))
Using cached https://files.pythonhosted.org/packages/24/19/4804aea17cd136f1705a5e98a00618cb8f6ccc375ad8bfa437408e09d058/torch-1.4.0-cp36-cp36m-manylinux1_x86_64.whl
Collecting torchvision==0.5.0 (from -r requirements.txt (line 19))
Using cached https://files.pythonhosted.org/packages/7e/90/6141bf41f5655c78e24f40f710fdd4f8a8aff6c8b7c6f0328240f649bdbe/torchvision-0.5.0-cp36-cp36m-manylinux1_x86_64.whl
Collecting tqdm==4.46.1 (from -r requirements.txt (line 20))
Using cached https://files.pythonhosted.org/packages/f3/76/4697ce203a3d42b2ead61127b35e5fcc26bba9a35c03b32a2bd342a4c869/tqdm-4.46.1-py2.py3-none-any.whl
Collecting Pillow==8.2.0 (from -r requirements.txt (line 21))
Using cached https://files.pythonhosted.org/packages/89/d2/942af29f8494a1a3f4bc4f483d520f7c02ccae677f5f50cf76c6b3d827d8/Pillow-8.2.0-cp36-cp36m-manylinux1_x86_64.whl
Requirement already satisfied: setuptools in /home/huan/LicensePlateRecognition/lib/python3.6/site-packages (from kiwisolver==1.1.0->-r requirements.txt (line 3))
Collecting click>=5.1 (from Flask==1.1.1->-r requirements.txt (line 14))
Using cached https://files.pythonhosted.org/packages/76/0a/b6c5f311e32aeb3b406e03c079ade51e905ea630fc19d1262a46249c1c86/click-8.0.1-py3-none-any.whl
Collecting Werkzeug>=0.15 (from Flask==1.1.1->-r requirements.txt (line 14))
Using cached https://files.pythonhosted.org/packages/bd/24/11c3ea5a7e866bf2d97f0501d0b4b1c9bbeade102bb4b588f0d2919a5212/Werkzeug-2.0.1-py3-none-any.whl
Collecting itsdangerous>=0.24 (from Flask==1.1.1->-r requirements.txt (line 14))
Using cached https://files.pythonhosted.org/packages/9c/96/26f935afba9cd6140216da5add223a0c465b99d0f112b68a4ca426441019/itsdangerous-2.0.1-py3-none-any.whl
Collecting Jinja2>=2.10.1 (from Flask==1.1.1->-r requirements.txt (line 14))
Using cached https://files.pythonhosted.org/packages/80/21/ae597efc7ed8caaa43fb35062288baaf99a7d43ff0cf66452ddf47604ee6/Jinja2-3.0.1-py3-none-any.whl
Collecting PyWavelets>=0.4.0 (from scikit-image==0.16.2->-r requirements.txt (line 16))
Using cached https://files.pythonhosted.org/packages/59/bb/d2b85265ec9fa3c1922210c9393d4cdf7075cc87cce6fe671d7455f80fbc/PyWavelets-1.1.1-cp36-cp36m-manylinux1_x86_64.whl
Collecting imageio>=2.3.0 (from scikit-image==0.16.2->-r requirements.txt (line 16))
Using cached https://files.pythonhosted.org/packages/6e/57/5d899fae74c1752f52869b613a8210a2480e1a69688e65df6cb26117d45d/imageio-2.9.0-py3-none-any.whl
Collecting networkx>=2.0 (from scikit-image==0.16.2->-r requirements.txt (line 16))
Using cached https://files.pythonhosted.org/packages/f3/b7/c7f488101c0bb5e4178f3cde416004280fd40262433496830de8a8c21613/networkx-2.5.1-py3-none-any.whl
Collecting markdown>=2.6.8 (from tensorboard==1.14.0->-r requirements.txt (line 17))
Downloading https://files.pythonhosted.org/packages/6e/33/1ae0f71395e618d6140fbbc9587cc3156591f748226075e0f7d6f9176522/Markdown-3.3.4-py3-none-any.whl (97kB)
100% |████████████████████████████████| 102kB 1.4MB/s
Collecting protobuf>=3.6.0 (from tensorboard==1.14.0->-r requirements.txt (line 17))
Using cached https://files.pythonhosted.org/packages/53/4e/e2db88d0bb0bda6a879eea62fddbaf813719ce3770d458bc5580512d9c95/protobuf-3.17.3-cp36-cp36m-manylinux_2_5_x86_64.manylinux1_x86_64.whl
Collecting grpcio>=1.6.3 (from tensorboard==1.14.0->-r requirements.txt (line 17))
Using cached https://files.pythonhosted.org/packages/07/ea/398472e896f529d23fb58e33f01298dfc554a341d58f87c1ea5ad817208e/grpcio-1.39.0.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "/tmp/pip-build-w47bdh43/grpcio/setup.py", line 257, in
if check_linker_need_libatomic():
File "/tmp/pip-build-w47bdh43/grpcio/setup.py", line 207, in check_linker_need_libatomic
stderr=PIPE)
File "/usr/lib/python3.6/subprocess.py", line 729, in init
restore_signals, start_new_session)
File "/usr/lib/python3.6/subprocess.py", line 1364, in _execute_child
raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: 'c++': 'c++'

----------------------------------------

Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-w47bdh43/grpcio/

Can anyone show me how to pass it.