--- title: "Renato Almeida de Oliveira (@ORenatoAlmeida) | Hashnode" description: "Network Engineer. Read the latest articles by Renato Almeida de Oliveira on Hashnode." url: "https://hashnode.com/@ORenatoAlmeida" --- @ORenatoAlmeida # Renato Almeida de Oliveira @ORenatoAlmeida · Brasilia/DF - BR · Joined November 2020 Network Engineer ### [Seeing Inside the Network: Context-Aware Observability with Akvorado and NetBox](https://blog.renatooliveira.eng.br/seeing-inside-the-network-context-aware-observability-with-akvorado-and-netbox?utm_source=hashnode&utm_medium=feed) With current cyber threats, network monitoring tools based solely on bandwidth usage, operational status of interfaces, and health of network equipment are insufficient to provide adequate situational awareness of the network environment. This is esp... 7 min read · [blog.renatooliveira.eng.br](https://blog.renatooliveira.eng.br/seeing-inside-the-network-context-aware-observability-with-akvorado-and-netbox?utm_source=hashnode&utm_medium=feed) [Oct 20, 2025](https://hashnode.com/posts/seeing-inside-the-network-context-aware-observability-with-akvorado-and-netbox/68f59966adc431c2a561bb36) ### [Guardião Cibernético 7.0](https://blog.renatooliveira.eng.br/guardiao-cibernetico-70?utm_source=hashnode&utm_medium=feed) Lições sobre Man-in-the-Middle, ARP Spoofing e NetFlow Renato Almeida de Oliveira Zaroubin, renato.almeida.oliveira@gmail.com 6 min read · [blog.renatooliveira.eng.br](https://blog.renatooliveira.eng.br/guardiao-cibernetico-70?utm_source=hashnode&utm_medium=feed) [Sep 19, 2025](https://hashnode.com/posts/guardiao-cibernetico-70/68cd493a0f8d224b453c827b) ### [NetBox Export Templates: A Guide to Generating Powerful Export Templates](https://blog.renatooliveira.eng.br/netbox-export-templates?utm_source=hashnode&utm_medium=feed) In this blog post, we will discuss how to use NetBox to create export templates that can be used to generate reports of all virtual machines and clients that are impacted by upcoming firewall maintenance. To achieve this, there are four key component... 3 min read · [blog.renatooliveira.eng.br](https://blog.renatooliveira.eng.br/netbox-export-templates?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/netbox-export-templates/64e3875d658bd003f6998792) [Aug 21, 2023](https://hashnode.com/posts/netbox-export-templates/64e3875d658bd003f6998792) ### [Building an open-source cyber range gateway](https://blog.renatooliveira.eng.br/building-an-open-source-cyber-range-gateway?utm_source=hashnode&utm_medium=feed) Introduction A cyber range is a platform that provides hands-on experience to cybersecurity professionals, creating different scenarios within a virtual environment and in some cases incorporates physical devices. That platform must be able to provis... 7 min read · [blog.renatooliveira.eng.br](https://blog.renatooliveira.eng.br/building-an-open-source-cyber-range-gateway?utm_source=hashnode&utm_medium=feed) [Jan 9, 2022](https://hashnode.com/posts/building-an-open-source-cyber-range-gateway/61db410d3ce4b2377adfdd59) ### [Building a Discord ChatOps Bot](https://blog.renatooliveira.eng.br/building-a-discord-chatops-bot?utm_source=hashnode&utm_medium=feed) Building a Discord ChatOps bot, integrated with NetBox API 7 min read · [blog.renatooliveira.eng.br](https://blog.renatooliveira.eng.br/building-a-discord-chatops-bot?utm_source=hashnode&utm_medium=feed) [Jan 4, 2022](https://hashnode.com/posts/building-a-discord-chatops-bot/61d4d082220e987977669c94)