setting simple ftp share using vsftpd on fedora 26

$firewall-cmd --add-service=ftp --permanent 
success

$firewall-cmd --reload
success
$ sudo dnf install vsftpd -y 
Last metadata expiration check: 2:29:28 ago on Friday 30 March 2018 06:47:23 PM IST.
Dependencies resolved.
=============================================================================================================================================================================================================================
 Package                                            Arch                                               Version                                                     Repository                                           Size
=============================================================================================================================================================================================================================
Installing:
 vsftpd                                             x86_64                                             3.0.3-8.fc26                                                updates                                             171 k

Transaction Summary
=============================================================================================================================================================================================================================
Install  1 Package

Total download size: 171 k
Installed size: 337 k
Downloading Packages:
vsftpd-3.0.3-8.fc26.x86_64.rpm                                                                                                                                                               210 kB/s | 171 kB     00:00    
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                                                                                        102 kB/s | 171 kB     00:01     
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                                                                                                                                                     1/1 
  Installing       : vsftpd-3.0.3-8.fc26.x86_64                                                                                                                                                                          1/1 
  Running scriptlet: vsftpd-3.0.3-8.fc26.x86_64                                                                                                                                                                          1/1 
Running as unit: run-r883269f31963466a84bca67ec29444e1.service
  Verifying        : vsftpd-3.0.3-8.fc26.x86_64                                                                                                                                                                          1/1 

Installed:
  vsftpd.x86_64 3.0.3-8.fc26                                                                                                                                                                                                 

Complete!

$systemctl start vsftpd ; systemctl enable vsftpd ; systemctl status vsftpd 
Created symlink /etc/systemd/system/multi-user.target.wants/vsftpd.service → /usr/lib/systemd/system/vsftpd.service.
● vsftpd.service - Vsftpd ftp daemon
   Loaded: loaded (/usr/lib/systemd/system/vsftpd.service; enabled; vendor preset: disabled)
   Active: active (running) since Fri 2018-03-30 21:18:12 IST; 608ms ago
 Main PID: 9283 (vsftpd)
   CGroup: /system.slice/vsftpd.service
           └─9283 /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf

Mar 30 21:18:12 server.sand.box systemd[1]: Starting Vsftpd ftp daemon...
Mar 30 21:18:12 server.sand.box systemd[1]: Started Vsftpd ftp daemon.