RHCE Course Summary

FTP experiment:
Configure FTP service on the host
Requirements:
Set up a file system server in the teaching department of openlab company.Realize that all users log in to the department's ftp file system server based on virtual user identities, and the root directory of the file system accessed is the /home/teacher directory.(The virtual users are: lucy, lack, david, dylan and the password is openlab)

1. Install ftp:
Mount:
[[email protected] ~]# mount /dev/sr0 /mnt
Mount:
[[email protected]~]# yum install vsftpd -y
Turn off the firewall:
[[email protected] ~]# systemctl stop firewalld
Turn off selinux;
[[email protected] ~]# setenforce 0

2. Create a system user teacher and turn off the interactive verification of real identity:
[[email protected] ~]# useradd -s /sbin/nologin teacher

3. Create a virtual user file and add a virtual user:
[[email protected] ~]# vim /etc/vsftpd/vfile

4. Convert virtual user files to user data files:
[[email protected] ~]# db_load -T -t hash -f /etc/vsftpd/vfile /etc/vsftpd/vfile.db

5. Permission to modify virtual user data file:
[[email protected] ~]# chmod 600 /etc/vsftpd/vfile.db

6. Edit the authentication file in the specified configuration file:
[[email protected] ~]# vim /etc/pam.d/vsftpd

7. Configure under the main ftp file:
[[email protected] ~]# vim /etc/vsftpd/vsftpd.conf

1. Add local user imprisonment:

2.Enable virtual user access, corresponding to the real identity corresponding to the virtual identity:

8. Add files to the teacher's home directory:
[[email protected] ~]# cd /home/teacher
[[email protected] teacher]# touch xueyuan

9. Restart the service and test by local and browser:
[[email protected] teacher]# systemctl restart vsftpd

Experiment completed