Referensi : https://phoenixnap.com/kb/install-ftp-server-on-ubuntu-vsftpd
Step 1: Update System Packages
sudo apt update
Step 2: Install vsftpd Server on Ubuntu
sudo apt install vsftpd
sudo systemctl start vsftpd
sudo systemctl enable vsftpd
Step 3: Backup Configuration Files
sudo cp /etc/vsftpd.conf /etc/vsftpd.conf_default
Step 4: Create FTP User
Membuat user dengan username sony dan password 123456
sudo useradd -m sony
sudo passwd sony
muncul permintaan password isi dengan 123456
Step 5: Configure Firewall to Allow FTP Traffic
sudo ufw allow 21/tcp
Step 6: Connect to Ubuntu FTP Server
sudo ftp ubuntu-ftp
Replace ubuntu-ftp with the name of your system (taken from the command line).
Log in using the sony account and password 123456. You should now be successfully logged in to your FTP server.
Authenticate FTP Users
sudo nano /etc/vsftpd.conf
Find the entry labeled write_enable=NO, and change the value to “YES"
Save the file, exit, then restart the FTP service with the following:
sudo systemctl restart vsftpd.service