check_vsftp.sh

#!/bin/bash
flag=$1
host=$2

exist=`dpkg -l|grep vsftpd`
if [[ ! $exist && $flag == 0 ]]
then
	if [[ -f /etc/vsftpd.conf ]];then
		rm /etc/vsftpd.conf
	fi
	dpkg -i vsftpd_3.0.3-9build1_arm64.deb
	systemctl disable vsftpd.service
	echo 0
elif [[ $exist && $flag == 0 && `pgrep vsftpd` ]]
then
	echo true
elif [[ ! $exist && $flag == 1 ]]
then
	wget --ftp-user=ubuntu --ftp-password=ubuntu ftp://$host/tx2_update/vsftpd_3.0.3-9build1_arm64.deb
	dpkg -i vsftpd_3.0.3-9build1_arm64.deb
	rm vsftpd_3.0.3-9build1_arm64.deb
	systemctl disable vsftpd.service
fi

sed -i 's/^#write_enable=YES$/write_enable=YES/' /etc/vsftpd.conf
systemctl restart vsftpd.service