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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: 7,421,488 web sites) |
In this month's survey, 38,814,152 Apache servers were detected, but only 7,421,488 (19.12%) 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 | January 2016 Hostname Count |
January 2016 % |
December 2015 Hostname Count |
December 2015 % |
Growth % |
CentOS | 2,244,968 | 30.25 | 2,764,572 | 31.21 | -3.09 |
Debian | 2,104,822 | 28.36 | 2,504,953 | 28.28 | 0.28 |
Ubuntu | 1,592,903 | 21.46 | 1,870,143 | 21.11 | 1.65 |
Red Hat | 373,091 | 5.03 | 414,042 | 4.67 | 7.54 |
FreeBSD | 370,946 | 5.00 | 425,310 | 4.80 | 4.09 |
Windows | 291,776 | 3.93 | 346,627 | 3.91 | 0.46 |
Fedora | 227,575 | 3.07 | 288,282 | 3.25 | -5.79 |
SuSE | 160,639 | 2.16 | 177,059 | 2.00 | 8.28 |
Scientific Linux | 12,036 | 0.16 | 12,594 | 0.14 | 14.06 |
Oracle | 9,349 | 0.13 | 8,532 | 0.10 | 30.77 |
Turbolinux | 6,059 | 0.08 | 6,298 | 0.07 | 14.82 |
APMServ | 5,464 | 0.07 | 5,455 | 0.06 | 19.54 |
Gentoo | 5,367 | 0.07 | 11,034 | 0.12 | -41.95 |
Darwin | 4,625 | 0.06 | 4,886 | 0.06 | 12.97 |
Mandriva | 3,898 | 0.05 | 9,418 | 0.11 | -50.60 |
Sun Cobalt | 2,065 | 0.03 | 2,113 | 0.02 | 16.63 |
Mac OS X | 1,283 | 0.02 | 1,313 | 0.01 | 16.62 |
IBM | 1,068 | 0.01 | 1,106 | 0.01 | 15.24 |
Asianux | 751 | 0.01 | 325 | 0.00 | 175.78 |
Netware | 713 | 0.01 | 924 | 0.01 | -7.91 |
Trustix | 501 | 0.01 | 513 | 0.01 | 16.55 |
ASPLinux | 322 | 0.00 | 331 | 0.00 | 16.10 |
BlueQuartz | 257 | 0.00 | 226 | 0.00 | 35.71 |
OpenVMS | 167 | 0.00 | 179 | 0.00 | 11.34 |
ALT Linux | 159 | 0.00 | 173 | 0.00 | 9.69 |
OS/2 | 115 | 0.00 | 127 | 0.00 | 8.07 |
White Box | 106 | 0.00 | 104 | 0.00 | 21.64 |
UnitedLinux | 106 | 0.00 | 113 | 0.00 | 11.95 |
OpenPKG | 96 | 0.00 | 97 | 0.00 | 18.11 |
rPath | 71 | 0.00 | 71 | 0.00 | 19.34 |
Yellow Dog | 49 | 0.00 | 48 | 0.00 | 21.83 |
ClarkConnect | 37 | 0.00 | 37 | 0.00 | 19.34 |
PCLinuxOS | 24 | 0.00 | 29 | 0.00 | -1.23 |
OpenNA | 20 | 0.00 | 20 | 0.00 | 19.34 |
iSeries | 14 | 0.00 | 15 | 0.00 | 11.39 |
OpenBSD | 10 | 0.00 | 10 | 0.00 | 19.34 |
Miracle | 8 | 0.00 | 6 | 0.00 | 59.13 |
Tao | 6 | 0.00 | 6 | 0.00 | 19.34 |
Lineox | 5 | 0.00 | 5 | 0.00 | 19.34 |
Solaris | 5 | 0.00 | 6 | 0.00 | -0.55 |
Haansoft | 4 | 0.00 | 5 | 0.00 | -4.52 |
Cygwin | 3 | 0.00 | 3 | 0.00 | 19.34 |
RedFlag | 3 | 0.00 | 3 | 0.00 | 19.34 |
Rogue Penguin | 1 | 0.00 | 1 | 0.00 | 19.34 |
Aurox | 1 | 0.00 | 6 | 0.00 | -80.11 |
Novell | 0 | 0.00 | 1 | 0.00 | -100.00 |
Reporting by Installation (Sample size: 850,753 IP Addresses) |
In this month's survey, 3,034,591 distinct IP Addresses hosted Apache servers, but only 850,753 (28.04%) 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 | January 2016 IP Address Count |
January 2016 % |
December 2015 IP Address Count |
December 2015 % |
Growth % |
CentOS | 231,374 | 27.20 | 234,809 | 27.23 | -0.11 |
Ubuntu | 221,982 | 26.09 | 223,094 | 25.87 | 0.86 |
Debian | 204,262 | 24.01 | 205,963 | 23.88 | 0.53 |
Windows | 65,627 | 7.71 | 66,153 | 7.67 | 0.56 |
Red Hat | 49,690 | 5.84 | 52,023 | 6.03 | -3.18 |
FreeBSD | 26,524 | 3.12 | 27,380 | 3.17 | -1.80 |
Fedora | 21,474 | 2.52 | 22,243 | 2.58 | -2.14 |
SuSE | 19,866 | 2.34 | 20,320 | 2.36 | -0.90 |
Scientific Linux | 2,595 | 0.31 | 2,756 | 0.32 | -4.55 |
Oracle | 1,456 | 0.17 | 1,516 | 0.18 | -2.64 |
Darwin | 1,223 | 0.14 | 1,289 | 0.15 | -3.82 |
Turbolinux | 971 | 0.11 | 997 | 0.12 | -1.28 |
APMServ | 920 | 0.11 | 968 | 0.11 | -3.66 |
Mandriva | 736 | 0.09 | 766 | 0.09 | -2.60 |
Sun Cobalt | 441 | 0.05 | 453 | 0.05 | -1.32 |
Gentoo | 342 | 0.04 | 351 | 0.04 | -1.23 |
Netware | 314 | 0.04 | 329 | 0.04 | -3.25 |
IBM | 192 | 0.02 | 204 | 0.02 | -4.59 |
OpenVMS | 105 | 0.01 | 109 | 0.01 | -2.35 |
Mac OS X | 100 | 0.01 | 105 | 0.01 | -3.46 |
Asianux | 98 | 0.01 | 94 | 0.01 | 5.68 |
ASPLinux | 71 | 0.01 | 75 | 0.01 | -4.04 |
BlueQuartz | 66 | 0.01 | 60 | 0.01 | 11.51 |
Trustix | 57 | 0.01 | 61 | 0.01 | -5.28 |
White Box | 40 | 0.00 | 40 | 0.00 | 1.37 |
ALT Linux | 34 | 0.00 | 35 | 0.00 | -1.53 |
UnitedLinux | 34 | 0.00 | 34 | 0.00 | 1.37 |
rPath | 34 | 0.00 | 34 | 0.00 | 1.37 |
OpenPKG | 33 | 0.00 | 34 | 0.00 | -1.61 |
OS/2 | 26 | 0.00 | 30 | 0.00 | -12.15 |
ClarkConnect | 14 | 0.00 | 14 | 0.00 | 1.37 |
OpenNA | 10 | 0.00 | 10 | 0.00 | 1.37 |
iSeries | 7 | 0.00 | 6 | 0.00 | 18.26 |
PCLinuxOS | 7 | 0.00 | 6 | 0.00 | 18.26 |
Miracle | 6 | 0.00 | 5 | 0.00 | 21.64 |
Yellow Dog | 5 | 0.00 | 5 | 0.00 | 1.37 |
Lineox | 3 | 0.00 | 3 | 0.00 | 1.37 |
Haansoft | 3 | 0.00 | 4 | 0.00 | -23.97 |
Solaris | 3 | 0.00 | 3 | 0.00 | 1.37 |
Cygwin | 2 | 0.00 | 2 | 0.00 | 1.37 |
OpenBSD | 2 | 0.00 | 2 | 0.00 | 1.37 |
Tao | 1 | 0.00 | 1 | 0.00 | 1.37 |
Rogue Penguin | 1 | 0.00 | 1 | 0.00 | 1.37 |
Aurox | 1 | 0.00 | 4 | 0.00 | -74.66 |
RedFlag | 1 | 0.00 | 1 | 0.00 | 1.37 |
Novell | 0 | 0.00 | 1 | 0.00 | -100.00 |
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.