Failed to install KubeSphere

[z-n]

Failed to get etcdctl: Failed to exec command: sudo -E /bin/sh -c "docker run --rm -v /usr/local/bin:/systembindir kubesphere/etcd:v3.4.13 /bin/cp -f /usr/local/bin/etcdctl /systembindir/etcdctl" docker: Error response from daemon: error while creating mount source path '/usr/local/bin': mkdir /usr/local/bin: read-only file system.: Process exited with status 125

[FeynmanZhou]

Did you install KubeSphere using a root user?