Debian is gaining websites from Red Hat, Centos and Fedora, but losing some to Ubuntu.

Most popular Linux distributions running on the servers of the top 1.000 websites:

1. Ubuntu, 2. Debian, 3. CentOS, 4. Red Hat

Changes in the usage of Linux distributions on web servers in the last year:
Debian-based (Debian, Ubuntu): +7.4%
Red Hat-based (Red Hat, CentOS, Fedora, Scientific Linux): -6.0%

CentOS is gaining market share on web servers from Red Hat and Fedora, but losing to Debian and Ubuntu: Changes in the usage of CentOS.

Ubuntu now ahead of Red Hat in Linux usage for web servers. Still behind CentOS and Debian: Usage of Linux distribution

We have a look at the web technologies that saw the largest increase in usage in the last year.

CentOS is a well known Linux distribution with a strong focus on server machines rather than on desktop PCs. For the first time, CentOS is now leading the Linux distribution statistics on web servers with almost 30% of all Linux servers.