cat /proc/self/mounts
nc -vz 127.0.0.1 8080
See nc man page
curl -Is http://localhost:8000/api/users | grep HTTP | cut -d ' ' -f2
For example, go to directory /var/www
directly
ssh -t user@remote "cd /var/www; bash"
sudo dpkg -i --force-overwrite /var/cache/apt/archives/nodejs_0.10.28-1chl1~trusty1_amd64.deb