Review the image, entrypoint, and arguments configured in a Docker container so you can reproduce it or troubleshoot it from the terminal.
What command starts a Docker container? docker inspect lets you check the image and the Entrypoint and Cmd fields saved in its configuration.
Continue reading “Check a Docker container’s command with docker inspect”
Learn the basic UFW firewall operations in Ubuntu 16.04 and derivatives: check its status, enable or disable it, set default rules, and open or close ports.
The default firewall in Ubuntu 16.04 and derivatives is UFW – Uncomplicated Firewall.
In this post, we will see how to perform the most basic operations with this firewall: enable it, disable it, and open and close ports. Continue reading “Manage the Firewall in Ubuntu 16.04 (ufw)”
The default firewall in CentOS 7 / Red Hat Enterprise Linux 7 is firewalld.
In this post, we will look at how to perform the most common operations with this firewall. Continue reading “Manage the Firewall in CentOS 7 / RHEL 7 (firewalld)”
When a container fails or gets stuck, it is better to check its logs first and restart only the affected service, not the whole application.
Continue reading “View logs and restart a service with Docker Compose”
Ollama lets you run local AI models on the machine itself or expose its API so other computers on the network can use it.
Continue reading “Install Ollama on Ubuntu and allow connections from another machine”
To use an NVIDIA GPU inside a VM, Proxmox must be able to pass the whole card through to the guest by using PCI passthrough.
Continue reading “Pass an NVIDIA GPU to a VM in Proxmox 9 for local AI”
