Are there similar services or sites for guidance or mentoring on devops and system administration problems? Or could the options already suggested here: https:/

Are there similar services or sites for guidance or mentoring on devops and system administration problems? Or could the options already suggested here: https://www.codementor.io/ https://www.codementor.io/ and https://www.airpair.com/ https://www.airpair.com/ also be used in this way.