FTP server

Ref ​here

1. install vsftp

   $ apt install vsftpd
   

2. cp config to backup

   $ sudo cp /etc/vsftpd.conf /etc/vsftpd.conf.orig
   

3. edit config /etc/vsftpd.conf

   listen=YES
   listen_ipv6=NO
   connect_from_port_20=YES
   anonymous_enable=NO
   local_enable=YES
   write_enable=YES
   chroot_local_user=YES
   allow_writeable_chroot=YES
   secure_chroot_dir=/var/run/vsftpd/empty
   pam_service_name=vsftpd
   pasv_enable=YES
   pasv_min_port=40000
   pasv_max_port=45000
   userlist_enable=YES
   userlist_file=/etc/vsftpd.userlist
   userlist_deny=NO
   

4. Add the user in existing Linux user to the allowed FTP users list: in ex. allow user demo

   $ echo "demo" | tee -a /etc/vsftpd.userlist
   

5. restart /etc/init.d/vsftpd restart or systemctl restart vsftpd