Category: Software

  • Set up Grafana monitoring

    Grafana and Prometheus are tools used to monitor services, servers and any other software using the Open metrics. Here is an example of implementation using Docker compose: Installing Grafana and Prometheus Target: run Cadvisor In the target side (the service that will be monitored), we must install the exporter, for example Cadvisor. Prometheus: target configuration…

  • Configuring SSH securely (the correct way)

    First step, install OpenSSH. On Ubuntu you can use “sudo apt install openssh-server” Edit file “/etc/hosts.allow” and allow only specific IPs or network to access over ssh. Block all another IPs editing “/etc/hosts.deny” with: Edit file “/etc/ssh/sshd_config” and include this role:  “PermitRootLogin no” Install UFW firewall, allow SSH connections and enable firewall:

  • Easiest way to install Docker and Docker-compose

    First step: install Docker Last step: install Docker-compose Source: https://docs.docker.com/compose/install/

  • Gollum – Local Markdown Wiki editor

    Install Gollum to edit Markdown Wiki files locally with Docker! Example how it works: Documentation: https://github.com/gollum/gollum#configurationSource: https://github.com/gollum/gollum/wiki/Gollum-via-Docker

  • Converting Markdown to pretty PDF

    Download and configure Wandmalfarbe template: https://github.com/Wandmalfarbe/pandoc-latex-template

  • OpenVPN Server com Docker

    VPN Uma Virtual Private Network (VPN) permite que você atravesse redes não confiáveis como se estivesse em uma rede privada. Ela dá a você a liberdade de acessar a internet com segurança no seu smartphone ou notebook ao se conectar a uma rede não confiável, como o wi-fi em um hotel ou café. [1] Docker…