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Survey Data Mining: Home | FAQ | Archive | Glossary |
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Report Description |
Methodology |
$ telnet 192.168.1.1 80 Trying 192.168.1.1... Connected to 192.168.1.1. Escape character is '^]'. GET / HTTP/1.0 HTTP/1.1 200 OK Date: Thu, 14 Feb 2008 16:24:24 GMT Server: Apache/2.2.3 (Debian) DAV/2 PHP/4.4.4-8+etch4 mod_perl/2.0.2 Perl/v5.8.8 Last-Modified: Wed, 10 Oct 2007 14:01:07 GMT ETag: "62c786-15eb-43c23eac2cec0" Accept-Ranges: bytes Content-Length: 5611 MS-Author-Via: DAV Connection: close Content-Type: text/html; charset=UTF-8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/strict.dtd"> <html> ...<snip> </html>
The above response headers show the Server: header indicating the version of Apache, various add-on modules, as well as the fact that this platform is running the Debian linux distribution.
Reporting by Hostname (Sample size: 4,308,222 web sites) |
In this month's survey, 28,210,155 Apache servers were detected, but only 4,308,222 (15.27%) revealed sufficient information to detect the host OS. The remainder of the survey by host information shown below is based on this subset of Apache servers that revealed the host OS.
OS/Distribution | April 2020 Hostname Count |
April 2020 % |
March 2020 Hostname Count |
March 2020 % |
Growth % |
Debian | 1,308,964 | 30.38 | 1,335,592 | 31.33 | -3.02 |
CentOS | 1,282,551 | 29.77 | 1,288,694 | 30.23 | -1.52 |
Ubuntu | 1,174,522 | 27.26 | 1,178,760 | 27.65 | -1.40 |
Windows | 240,711 | 5.59 | 149,941 | 3.52 | 58.85 |
FreeBSD | 104,167 | 2.42 | 106,198 | 2.49 | -2.94 |
Red Hat | 87,886 | 2.04 | 91,853 | 2.15 | -5.32 |
Fedora | 52,068 | 1.21 | 53,382 | 1.25 | -3.48 |
SuSE | 39,123 | 0.91 | 39,658 | 0.93 | -2.38 |
Scientific Linux | 6,470 | 0.15 | 6,539 | 0.15 | -2.09 |
Oracle | 3,216 | 0.07 | 3,674 | 0.09 | -13.38 |
Turbolinux | 2,020 | 0.05 | 2,125 | 0.05 | -5.94 |
Gentoo | 2,010 | 0.05 | 2,033 | 0.05 | -2.17 |
Mac OS X | 994 | 0.02 | 939 | 0.02 | 4.75 |
Darwin | 739 | 0.02 | 817 | 0.02 | -10.49 |
Mandriva | 566 | 0.01 | 605 | 0.01 | -7.43 |
APMServ | 552 | 0.01 | 543 | 0.01 | 0.59 |
Sun Cobalt | 537 | 0.01 | 551 | 0.01 | -3.56 |
Trustix | 228 | 0.01 | 228 | 0.01 | -1.05 |
Netware | 205 | 0.00 | 241 | 0.01 | -15.83 |
ASPLinux | 137 | 0.00 | 137 | 0.00 | -1.05 |
OpenVMS | 107 | 0.00 | 111 | 0.00 | -4.61 |
OS/2 | 94 | 0.00 | 100 | 0.00 | -6.99 |
OpenPKG | 81 | 0.00 | 80 | 0.00 | 0.19 |
BlueQuartz | 69 | 0.00 | 70 | 0.00 | -2.46 |
IBM | 54 | 0.00 | 55 | 0.00 | -2.85 |
ALT Linux | 52 | 0.00 | 52 | 0.00 | -1.05 |
Asianux | 26 | 0.00 | 26 | 0.00 | -1.05 |
UnitedLinux | 21 | 0.00 | 19 | 0.00 | 9.37 |
White Box | 17 | 0.00 | 17 | 0.00 | -1.05 |
ClarkConnect | 9 | 0.00 | 9 | 0.00 | -1.05 |
OpenNA | 6 | 0.00 | 6 | 0.00 | -1.05 |
rPath | 5 | 0.00 | 6 | 0.00 | -17.54 |
Lineox | 3 | 0.00 | 3 | 0.00 | -1.05 |
Tao | 3 | 0.00 | 3 | 0.00 | -1.05 |
Haansoft | 3 | 0.00 | 3 | 0.00 | -1.05 |
Cygwin | 2 | 0.00 | 2 | 0.00 | -1.05 |
iSeries | 2 | 0.00 | 2 | 0.00 | -1.05 |
Miracle | 1 | 0.00 | 1 | 0.00 | -1.05 |
PCLinuxOS | 1 | 0.00 | 1 | 0.00 | -1.05 |
Reporting by Installation (Sample size: 569,761 IP Addresses) |
In this month's survey, 2,171,685 distinct IP Addresses hosted Apache servers, but only 569,761 (26.24%) revealed sufficient information to detect the host OS. The data below is based on this subset of servers that revealed the host OS.
OS/Distribution | April 2020 IP Address Count |
April 2020 % |
March 2020 IP Address Count |
March 2020 % |
Growth % |
Ubuntu | 201,839 | 35.43 | 203,789 | 35.27 | 0.44 |
CentOS | 149,376 | 26.22 | 151,557 | 26.23 | -0.04 |
Debian | 141,399 | 24.82 | 142,574 | 24.67 | 0.58 |
Windows | 32,574 | 5.72 | 34,293 | 5.93 | -3.67 |
Red Hat | 14,171 | 2.49 | 14,809 | 2.56 | -2.95 |
FreeBSD | 13,836 | 2.43 | 13,879 | 2.40 | 1.10 |
Fedora | 7,011 | 1.23 | 7,192 | 1.24 | -1.14 |
SuSE | 5,845 | 1.03 | 5,888 | 1.02 | 0.67 |
Scientific Linux | 1,477 | 0.26 | 1,509 | 0.26 | -0.74 |
Oracle | 791 | 0.14 | 812 | 0.14 | -1.21 |
Turbolinux | 340 | 0.06 | 364 | 0.06 | -5.27 |
Darwin | 228 | 0.04 | 237 | 0.04 | -2.44 |
Mandriva | 193 | 0.03 | 204 | 0.04 | -4.05 |
Sun Cobalt | 138 | 0.02 | 142 | 0.02 | -1.44 |
Gentoo | 108 | 0.02 | 108 | 0.02 | 1.41 |
Netware | 96 | 0.02 | 126 | 0.02 | -22.73 |
OpenVMS | 60 | 0.01 | 60 | 0.01 | 1.41 |
APMServ | 47 | 0.01 | 44 | 0.01 | 8.33 |
Mac OS X | 46 | 0.01 | 47 | 0.01 | -0.74 |
ASPLinux | 26 | 0.00 | 26 | 0.00 | 1.41 |
OpenPKG | 25 | 0.00 | 25 | 0.00 | 1.41 |
IBM | 24 | 0.00 | 25 | 0.00 | -2.64 |
Trustix | 20 | 0.00 | 20 | 0.00 | 1.41 |
OS/2 | 16 | 0.00 | 17 | 0.00 | -4.55 |
BlueQuartz | 14 | 0.00 | 14 | 0.00 | 1.41 |
Asianux | 14 | 0.00 | 14 | 0.00 | 1.41 |
ALT Linux | 12 | 0.00 | 12 | 0.00 | 1.41 |
White Box | 11 | 0.00 | 11 | 0.00 | 1.41 |
UnitedLinux | 5 | 0.00 | 4 | 0.00 | 26.77 |
ClarkConnect | 5 | 0.00 | 5 | 0.00 | 1.41 |
rPath | 3 | 0.00 | 3 | 0.00 | 1.41 |
OpenNA | 3 | 0.00 | 3 | 0.00 | 1.41 |
Lineox | 2 | 0.00 | 2 | 0.00 | 1.41 |
iSeries | 1 | 0.00 | 1 | 0.00 | 1.41 |
Tao | 1 | 0.00 | 1 | 0.00 | 1.41 |
PCLinuxOS | 1 | 0.00 | 1 | 0.00 | 1.41 |
Cygwin | 1 | 0.00 | 1 | 0.00 | 1.41 |
Haansoft | 1 | 0.00 | 1 | 0.00 | 1.41 |
Miracle | 1 | 0.00 | 1 | 0.00 | 1.41 |
Note: Readers are cautioned that the Growth percentages are based on a server's market share penetration rather than the absolute number of servers we detected. Thus, it is possible for the number of servers to increase, while the growth is actually a negative value.