解决/usr/lib/x86_64-linux-gnu/libstdc++.so.6: version `GLIBCXX_3.4.30‘ not found

一、问题描述：在使用paddle训练模型时候，报下面错误。

• Error: Can not import paddle core while this file exists:
  /opt/conda/envs/paddle/lib/python3.8/site-packages/paddle/base/libpaddle.so
  Traceback (most recent call last): File
  “/data/liuzy/PaddleClas-release-2.6/1230.py”, line 1, in
  import paddle File “/opt/conda/envs/paddle/lib/python3.8/site-packages/paddle/init.py”,
  line 28, in
  from .base import core # noqa: F401 File “/opt/conda/envs/paddle/lib/python3.8/site-packages/paddle/base/init.py”,
  line 36, in
  from . import core File “/opt/conda/envs/paddle/lib/python3.8/site-packages/paddle/base/core.py”,
  line 380, in
  raise e File “/opt/conda/envs/paddle/lib/python3.8/site-packages/paddle/base/core.py”,
  line 268, in
  from . import libpaddle ImportError: /usr/lib/x86_64-linux-gnu/libstdc+