#!/bin/bash
# Check if user is root
if [ $(id -u) != "0" ]; then
echo "Error: You must be root to run this script, use sudo sh $0"
exit 1
fi
# Script to add a user to Linux system
if [ $(id -u) -eq 0 ]; then
read -p "Enter username : " username
read -s -p "Enter password : " password
egrep "^$username" /etc/passwd >/dev/null
if [ $? -eq 0 ]; then
echo "$username exists!"
exit 1
else
pass=$(perl -e 'print crypt($ARGV[0], "password")' $password)
useradd -m -p $pass $username
[ $? -eq 0 ] && echo "User has been added to system!" || echo "Failed to add a user!"
fi
else
echo "Only root may add a user to the system"
exit 2
fi
# Installing FTP
echo "System update"
apt-get update -y
apt-get upgrade –y
echo "Installing FTP..."
apt-get install vsftpd -y
service vsftpd stop
chmod 777 /etc/vsftpd.conf
cp /etc/vsftpd.conf /etc/vsftpd.conf.default
rm /etc/vsftpd.conf
echo "listen=YES
listen_ipv6=NO
anonymous_enable=NO
local_enable=YES
write_enable=YES
local_umask=022
use_localtime=YES
xferlog_enable=YES
connect_from_port_20=YES
xferlog_file=/var/log/vsftpd.log
xferlog_std_format=YES
idle_session_timeout=600
data_connection_timeout=120
chroot_local_user=NO
allow_writeable_chroot=YES
ascii_upload_enable=YES
ascii_download_enable=YES
pasv_min_port=40000
pasv_max_port=50000
" > /etc/vsftpd.conf
chmod 644 /etc/vsftpd.conf
echo "" >> /etc/vsftpd.conf
service vsftpd start
echo "Allow Port"
sudo ufw enable
sudo ufw allow 20/tcp
sudo ufw allow 21/tcp
sudo ufw allow 40000:50000/tcp
sudo mkdir -p /srv/files/ftp
sudo usermod -d /srv/files/ftp ftp
chmod 777 /var
sudo service vsftpd restart
sudo systemctl restart vsftpd
exit 0
Set Permission
chmod +x ftp.sh
Run Script
./ftp.sh