vsftpd FTP server service failed

 vsftpd

- systemctl | grep fail

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- 500 OOPS: socket or  could not bind listening IPv4 socket?

- edit vsftpd.conf in /etc directory

listen=YES
local_enable=YES
write_enable=YES
local_umask=022root
dirmessage_enable=YES
use_localtime=YES
xferlog_enable=YES
secure_chroot_dir=/var/run/vsftpd/empty
pam_service_name=vsftpd
rsa_cert_file=/etc/ssl/private/vsftpd.pem


- lsof -i | grep ftp

xinetd.service failed to stop: unit xinetd.service not loaded

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ps (Process Status)

~ ps -ef

~ ps -ef | grep vsftpd

~ sudo kill <PID>

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update-notifier-download.timer

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