How does Pure-ftpd configure multiple users, and user A has upload and download permissions, while user B only has download permissions?

how does Pure-ftpd configure multiple users, and user A has the permission to upload and download, and user B only has permission to download?

Google has passed and no solution has been found.

has no one ever encountered this problem?

Ftp
Jul.10,2022

finally solved it on its own.
Pure-ftpd does not have this feature and needs to cooperate with system users.

create a system user group: groupadd ftpgroup

create a system user (and do not create a user directory under home):

(readable and writable) useradd ftpadmin-g ftpgroup-d / dev/null-s / sbin/nologin

(readable) useradd ftpuser-g ftpgroup-d / dev/null-s / sbin/nologin

create a Pure-ftpd user and specify a directory:

pure-pw useradd admin -u ftpadmin -g ftpadmingroup -d /data/ftpserver

pure-pw useradd user -u ftpuser -g ftpadmingroup -d /data/ftpserver

modify the FTP folder directory
chmod 755 / data/ftpserver

remember, finally must refresh the database: pure-pw mkdb

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b363f5-2bfee.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b363f5-2bfee.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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