以安装bazel 4.2.1为例
```
mkdir -p /root/env/bazel
wget https://github.com/bazelbuild/bazel/releases/download/4.2.1/bazel-4.2.1-installer-linux-x86_64.sh -O /root/env/bazel/bazel.sh
chmod +x /root/env/bazel/bazel.sh
/root/env/bazel/bazel.sh > /dev/null
rm -rf /root/env
bazel --version
```