問題描述：
Oct 13 20:01:08 c_3.50 systemd[1]: Started etcd. Oct 13 20:01:08 c_3.50 systemd[1]: Starting etcd... Oct 13 20:01:08 c_3.50 systemd[1]: etcd.service: main process exited, code=exited, status=203/EXEC //203不能執行 Oct 13 20:01:08 c_3.50 systemd[1]: Unit etcd.service entered failed state. Oct 13 20:01:08 c_3.50 systemd[1]: etcd.service failed.
問題解決：
01、查看exe執行在配置的路徑中存在不
02、腳本是否加#!/bin/bash
注意：截圖中的環境變量不允許${}，必須用實體替換或者寫到EnvironmentFile中
Oct 13 20:15:08 c_3.50 systemd[1]: Started etcd. Oct 13 20:15:08 c_3.50 systemd[1]: Starting etcd... Oct 13 20:15:08 c_3.50 systemd[1]: etcd.service: main process exited, code=exited, status=1/FAILURE //環境變量設置異常 Oct 13 20:15:08 c_3.50 systemd[1]: Unit etcd.service entered failed state. Oct 13 20:15:08 c_3.50 systemd[1]: etcd.service failed.
參考：
https://github.com/kubernetes/kubernetes/issues/2231