用root账号输入的密码也是正确的 为什么会一直出现permission denied
https://blog.csdn.net/weixin_26777941/article/details/116942058?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522166994681216782427423993%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=166994681216782427423993&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~first_rank_ecpm_v1~rank_v31_ecpm-1-116942058-null-null.142^v67^wechat_v2,201^v3^control_1,213^v2^t3_control2&utm_term=%E7%94%A8root%E8%B4%A6%E5%8F%B7%E8%BE%93%E5%85%A5%E7%9A%84%E5%AF%86%E7%A0%81%E4%B9%9F%E6%98%AF%E6%AD%A3%E7%A1%AE%E7%9A%84%20%E4%B8%BA%E4%BB%80%E4%B9%88%E4%BC%9A%E4%B8%80%E7%9B%B4%E5%87%BA%E
这篇文章讲的很清楚，你可以看看
