

I was installing Oracle stand alone 12c while during the installation I got the following error:


This error occurs because Oracle did not find the server name during the lookup operation. So how to solve this? The answer is simple. Just add the server name in the /etc/ hosts (as the example in the picture below: 192.168.56.71 dbdg.localdomain dbdg) file with the root user and then proceed with the installation:




Estava instalando o Oracle stand alone 12c quando durante a instalação obtive o seguinte erro:


Este erro acontece porque o Oracle não encontrou o nome do servidor durante a operação de lookup. Então como resolver isso? A resposta é simples. Basta acrescentar o nome do servidor no arquivo /etc/hosts (como o exemplo na imagem abaixo : 192.168.56.71 dbdg.localdomain dbdg) com o usuário de root e, após isso, prosseguir com a instalação :





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Hello, I’m Bruno — a dual citizen of Brazil and Sweden. I bring a global perspective shaped by experiences in both South America and Europe, with a strong focus on collaboration and innovation across cultures. I am a Computer Scientist, PhD Candidate in Information and Communication Technologies, focusing on Data Science and Artificial Intelligence, and hold dual Master’s degrees in Data Science and Cybersecurity. With over fifteen years of international experience spanning Brazil, Hungary, and Sweden, I have collaborated with global organizations such as IBM, Playtech, and Oracle, as well as contributed remotely to projects across multiple regions. My professional interests include Databases, Cybersecurity, Cloud Computing, Data Science, Data Engineering, Big Data, Artificial Intelligence, Programming, and Software Engineering, all driven by a deep passion for transforming data into strategic business value.