In short, by dominating AWS, Ubuntu is, without doubt, the most popular cloud Linux. In addition, to AWS, Ubuntu has been available on HP Cloud, and Microsoft Azure since 2013.

Ubuntu remains popular among the technically savvy Linux crowd, but it faces challenges. On the server, where Linux is common and there's money to be made, Red Hat is still dominant.

Even in these changing times of shuttered shops and pandemic-driven corporate layoffs, a flood of tech jobs goes unfilled due to a lack of Linux skills among IT workers. That combination is ...