SSH
Setup Retrictive SFTP With Chroot On Ubuntu 16.04 / 17.10 And 18.04
SSH service fail
Try purging before install:
Try:
sudo apt-get remove --purge openssh-server
sudo apt-get install openssh-server
Then try:
sudo service ssh restart
To check its status:
sudo service ssh status
Edit SSH config
sudo nano /etc/ssh/sshd_config
sudo chown erikchen:erikchen /var/sftp/uploads
usermod -m -d /var/www/ erikchen
Restart SSHD
systemctl restart sshd