And for each additional application, you need to go through this entire process again. The previously mentioned solution gives a lot of flexibility, but it does take some time to set it up. PermissionStartOnly to do this with sudo powerĮxecStartPre=/sbin/iptables -t nat -A PREROUTING -p tcp -dport 80 -j REDIRECT -to-port 4200ĮxecStopPost=/sbin/iptables -t nat -D PREROUTING -p tcp -dport 80 -j REDIRECT -to-port 4200ĭon't forget to reload and restart your service: system]$ sudo systemctl system]$ sudo systemctl stop system]$ sudo systemctl start system]$.ExecStopPost to remove the port forwarding.ExecStartPre to add the port forwarding.A better approach is to also include this command in our service script: Unfortunately, this is not persistent, so you have to repeat it whenever your server restarts. You can accomplish this with the following command: sudo iptables -t nat -A PREROUTING -i -p tcp -dport 80 -j REDIRECT -to-port 4200 4200) and then to redirect that port to port 80. And the easiest solution, is actually to run your webserver on a different port (e.g. You probably will have some issues running your webserver on port 80. sudo systemctl sudo systemctl start sudo systemctl enable cloudyleelaĬreated symlink /etc/systemd/system//rvice → great systemd for node.js tutorial is available here. You need to enable it to make it active as a service, which automatically launches at startup. Reload the file from disk, and then you can start your service. The instances that Amazon uses have no passwords for their users by default. I configured that the application should simply restart if something goes wrong. In this application the node application is started. (in my case rvice) sudo nano /lib/systemd/system/rviceĮxecStart=/usr/bin/node /home/ubuntu/server.js My Amazon Linux instance runs on Ubuntu, and I used systemd to set it up.įirst you need to create a.
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