Question: how to configure ftp server in linux ubuntu?
Answer: Step 1: Update System Packages. Start by updating your repositories – enter the following in a terminal window: sudo apt-get update. ... 
Step 2: Backup Configuration Files. ... 
Step 3: Install vsftpd Server on Ubuntu. ... 
Step 4: Create FTP User. ... 
Step 5: Configure Firewall to Allow FTP Traffic. ... 
Step 6: Connect to Ubuntu FTP Server.