Install the vsFTPd.
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install vsftpd
Edit the configure file of vsFTPd.
sudo nano /etc/vsftpd.conf
Change the setting as the following.
# If you allow anonymous login then
# If you do not allow anonymous login then
# Users are allowed to walk around at his directory only
If you are behind a firewall or router, the following setting should be implemented and append to the end of the file.
# If your server's IP address is 192.168.0.15
Make sure port 20 and 21 are opened at your firewall or router. Anonymous user can be download the files at /home/ftp directory.
sudo /etc/init.d/vsftpd restart
That's all. See you!