I have a raspberry pi that runs nginx and hosts a personal website. My pi says that nginx is running on port 80, but is refusing connections. This is an issue because it means I can't renew my SSL certificate…
PROBLEM I have installed ROS 2 foxy on 2 computers and trying to run the demo talker on one machine and the demo listener on the other. Unfortunately it does not work. However: the ros2 multicast test works; the talker/listener…
I have 2 Servers, A and B. They both run the same replicated server-application (rest-API) written in go. On Server B, I also have a database running. Both server and database in docker-containers. docker-compose.yml ... userDB: image: mysql:oracle restart: always…
I have deployed nextcloud docker image on my raspberry (ArchLinux ARM) with podman, I have opened 443/tcp port on UFW, but because of UFW nexcloud is unreachable from outside. If UFW is disabled, everything is working fine. Has anyone already…
I am quite new to Puppet and I am having some problems with the Puppet Config for one of our hosts running Puppet Agent. We are using Ubuntu 20.04 and Puppet CE 7.12.1 on all systems. On our Puppet Server…
I've a VM in Google Cloud and I'm trying to connect to it over TCP port 8890. I've already set the Firewall rules in GCP so the problem in on VM firewall. I'm using Debian 10 as OS and I've…
If I'm configuring UFW and also Amazon EC2 Security group, which will override the other, or do they both co-exist without any issues?