[Ubuntu] vsftpd 500 OOPS error

500 OOPS: priv_sock_get_cmd or 500 OOPS: vsftpd: refusing to run with writable root inside chroot()

500 OOPS: priv_sock_get_cmd

macbook:~ PJunior$ <strong>ftp username@example.com</strong>
Connected to <strong>example.com</strong>.
<strong>500 OOPS: priv_sock_get_cmd</strong>
ftp: Can't connect or login to host `example.com'

Open /etc/vsftpd.conf and at the end  add

seccomp_sandbox=NO

and restart the Server:

sudo service vsftpd restart

500 OOPS: vsftpd: refusing to run with writable root inside chroot()

macbook:~ PJunior$ <strong>ftp username@example.com</strong>
Connected to <strong>example.com</strong>.
<strong>500 OOPS: vsftpd: refusing to run with writable root inside chroot()</strong>
ftp: Can't connect or login to host `example.com'

Open /etc/vsftpd.conf and at the end  add

 allow_writeable_chroot=YES

and restart the Server:

sudo service vsftpd restart

출처 : http://my.dude.kr/wp/?p=240