asp.net method code to get basic information about the server

In doing website development, often need to get, the server's some basic information, how to get it, see the following brief introduction: copy Code code as follows:

//server name
"server name": Server.machinename
"Server Domain": request.servervariables["SERVER_NAME" ]
Server Port: request.servervariables["Server_port"]
"Web server Version: request.servervariables[" server _software "]//path
Virtual Request Path": Request.filepath
"Physical Request path": Request.PhysicalPath
" Virtual application root path: Request.applicationpath
Physical application root path: Request.physicalapplicationpath//platform
Operating System installation Directory: Environment.systemdirectory
. NET Version: Environment.Version.ToString ()
". NET Language": System.Globalization.CultureInfo.InstalledUICulture.EnglishName
Server Current time: DateTime.Now.ToString ()
System Uptime: Timespan.frommilliseconds (Environment.tickcount). ToString ()
Script Timeout: Timespan.fromseconds (server.scripttimeout). ToString ()
//get Request Headers
//eg:connection,accept,accept-charset,accept-encoding,accept-lAnguage,user-agent ...
foreach (string key in Request.Headers.AllKeys)
{
    request.headers[key];
}
//get Server Variables
//eg:all_http,all_raw,path_info,url ...
foreach (string key in Request.ServerVariables.AllKeys)
 {
           Request.servervariables[key];
 }