Since I spend a lot of time these days helping people on https://community.letsencrypt.org/ https://community.letsencrypt.org/ I can testify that the ability

Since I spend a lot of time these days helping people on https://community.letsencrypt.org/ https://community.letsencrypt.org/ I can testify that the ability to help people tinker with Linux configuration files is something that continues to be in great demand. :-)