Ubuntu14.10 Linux--FTP-Server

1-step:    install vsftpd
    sudo apt-get install vsftpd
2-step:    configure the vsftpd
        2-1: make a backup  
                cd /etc/
                sudo cp vsftpd.conf vsftpd.conf.old
        2-2: change the .conf
                sudo gedit vsftpd.conf
                1. Allow anonymous FTP? (Disabled by default)----OF COURSE NO !!!
                    anonymous_enable=NO
                2. Add the line:  (Locate the FTP-file which will be shared)
                    local_root=/home/Killse/Public/FTP-share
                3.For the local--test
                     local_enable=YES
                4.Only the ubuntu user can get service
                    #chroot_local_user=YES
                    chroot_list_enable=YES
                    # (default follows)
                    chroot_list_file=/etc/vsftpd.chroot_list
3-step:    Make a list for FTP-user
        sudo gedit /etc/vsftpd.chroot_list
     add your linux user name in it:(my name is Killse)
        Killse
4-step:    the current linux user can't have the FTP-share's -W
        sudo chown -R root:root /home/Killse/Public/FTP-share
        cd /home/killse/Public/FTP-share
        sudo mkdir FTPFILES
        sudo chown -R killse:root FTPFILES
5-step:    Do not let the FTP-service start with your linux startup
        5-1: make a .conf backup
                cd /etc/init/
                sudo cp vsftpd.conf vsftpd.conf.old
        5-2: configure the .conf
                sudo gedit /etc/init/vsftpd.conf
                        #start on runlevel [2345] or net-device-up IFACE!=lo
                        start on runlevel [345]
                        stop on runlevel [!2345]
6-step:    Restart the FTP-service
         sudo service vsftpd restart
[Other command]:stop the FTP-service: sudo service vsftpd stop