Centos system cannot log in to ftp

Question:

The newly purchased Alibaba Cloud server has ftp, redis, nginx, mysql, and dotnet installed. There were no problems at first, and the programs were uploaded. I don’t know why I can’t connect suddenly. The prompt is 530 Login incorrect.

(Recommended tutorial: centos usage tutorial)

The solution is as follows:

1. Execute the following command to open the /etc/pam.d/vsftpd file

cat  /etc/pam.d/vsftpd

2. Just comment the content as shown in the picture.

Related video tutorial recommendations: linux video tutorial

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