easy_install psutil
or
pip install psutil
-
1、在远程server里搭建一个http服务，并支持某种服务端语言（如.net或php之类）2、用服务端语言获取到服务器的磁盘信息，把结果输出
3、在本地用JS写一段AJAX脚本，远程请求服务端写好的程序，得到结果，并展示给用户
<html>
<head>
<script>
function disk() {//硬盘序列号 信息
var locator = new ActiveXObject ("WbemScripting.SWbemLocator")
var service = locator.ConnectServer(".")
var properties = service.ExecQuery("SELECT * FROM Win32_DiskDrive")
var e = new Enumerator (properties)
document.write("<table border=1>")
for (!e.atEnd()e.moveNext ())
{
var p = e.item ()
document.write("<tr>")
document.write("<td>" + p.signature + "</td>")
document.write("</tr>")
}
document.write("</table>")
}
</script>
</head>
<body>
<input type="button" value="硬盘序列号" onclick="disk()">
</body>
</html>
在这上找的代码：
对于写过ASP或.net 的人来说,通过asp或.net 语言来获得客户端的硬件信息是很熟悉的.但如何通过javascript这种客户端脚本来获得客户端的信息呢?请看以下实例:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>javascript获得客户端硬件信息-www.web2bar.cn/</title>
<meta name="GENERATOR" content="Microsoft Visual Studio .NET
7.1">
<meta name="vs_targetSchema"
content="http://schemas.microsoft.com/intellisense/ie5">
<script id=clientEventHandlersJS language=javascript>
<!--
function Button2_onclick() {//CPU 信息
var locator = new ActiveXObject ("WbemScripting.SWbemLocator")
var service = locator.ConnectServer(".")
var properties = service.ExecQuery("SELECT * FROM Win32_Processor")
var e = new Enumerator (properties)
document.write("<table border=1>")
for (!e.atEnd()e.moveNext ())
{
var p = e.item ()
document.write("<tr>")
document.write("<td>" + p.Caption + "</td>")
document.write("<td>" + p.DeviceID + "</td>")
document.write("<td>" + p.Name + "</td>")
document.write("<td>" + p.CpuStatus + "</td>")
document.write("<td>" + p.Availability + "</td>")
document.write("<td>" + p.Level + "</td>")
document.write("<td>" + p.ProcessorID + "</td>")
document.write("<td>" + p.SystemName + "</td>")
document.write("<td>" + p.ProcessorType + "</td>")
document.write("</tr>")
}
document.write("</table>")
}
function Button1_onclick() {//软盘信息
var locator = new ActiveXObject ("WbemScripting.SWbemLocator")
var service = locator.ConnectServer(".")
var properties = service.ExecQuery("SELECT * FROM Win32_FloppyDrive")
var e = new Enumerator (properties)
document.write("<table border=1>")
for (!e.atEnd()e.moveNext ())
{
var p = e.item ()
document.write("<tr>")
document.write("<td>" + p.Description + "</td>")
document.write("<td>" + p.DeviceID + "</td>")
document.write("<td>" + p.Status + "</td>")
document.write("<td>" + p.Manufacuturer + "</td>")
document.write("</tr>")
}
document.write("</table>")
}
function Button1_onclick() {//CD-ROM 信息
var locator = new ActiveXObject ("WbemScripting.SWbemLocator")
var service = locator.ConnectServer(".")
var properties = service.ExecQuery("SELECT * FROM Win32_CDROMDrive")
var e = new Enumerator (properties)
document.write("<table border=1>")
for (!e.atEnd()e.moveNext ())
{
var p = e.item ()
document.write("<tr>")
document.write("<td>" + p.Caption + "</td>")
document.write("<td>" + p.Description + "</td>")
document.write("<td>" + p.Drive + "</td>")
document.write("<td>" + p.Status + "</td>")
document.write("<td>" + p.MediaLoaded + "</td>")
document.write("</tr>")
}
document.write("</table>")
}
function Button1_onclick() {//键盘信息
var locator = new ActiveXObject ("WbemScripting.SWbemLocator")
var service = locator.ConnectServer(".")
var properties = service.ExecQuery("SELECT * FROM Win32_Keyboard")
var e = new Enumerator (properties)
document.write("<table border=1>")
for (!e.atEnd()e.moveNext ())
{
var p = e.item ()
document.write("<tr>")
document.write("<td>" + p.Description + "</td>")
document.write("<td>" + p.Name + "</td>")
document.write("<td>" + p.Status + "</td>")
document.write("</tr>")
}
document.write("</table>")
}
function Button1_onclick() {//主板信息
var locator = new ActiveXObject ("WbemScripting.SWbemLocator")
var service = locator.ConnectServer(".")
var properties = service.ExecQuery("SELECT * FROM Win32_BaseBoard")
var e = new Enumerator (properties)
document.write("<table border=1>")
for (!e.atEnd()e.moveNext ())
{
var p = e.item ()
document.write("<tr>")
document.write("<td>" + p.HostingBoard + "</td>")
document.write("<td>" + p.Manufacturer + "</td>")
document.write("<td>" + p.PoweredOn + "</td>")
document.write("<td>" + p.Product + "</td>")
document.write("<td>" + p.SerialNumber + "</td>")
document.write("<td>" + p.Version + "</td>")
document.write("</tr>")
}
document.write("</table>")
}
//-->
</script>
</head>
<body>
<INPUT id="Button1" type="button" value="Button"
name="Button1" language=javascript onclick="return Button1_onclick()">
</body>
</html>
使用javascript方式获得客户端的信息主要的优点是,不需求服务器资源.不需求刷新网页.直接在客户端执行脚本获得显示.
在这上找到了硬盘序列号的参数：
\'获得硬盘序列号
Dim cmicWmi As New System.Management.ManagementObjectSearcher(\"SELECT * FROM Win32_DiskDrive\")
Dim Uint32 As UInt32
For Each cmicWmiObj As ManagementObject In cmicWmi.Get
Uint32 = cmicWmiObj(\"signature\")
Next
TextBox1.Text = Uint32.ToString
方法一：通过top命令来查看服务器负载
再对此Linux服务器性能分析之前，先了解下Linux系统Load average负载的知识，负载均值在 uptime 或者top 命令中可以看到，
方法二：输入 iostat -x -k -t
说明：%util: 一秒中有百分之多少的时间用于 I/O 操作，或者说一秒中有多少时间 I/O 队列是非空的。
即 delta(use)/s/1000 (因为use的单位为毫秒)
如果 %util 接近 100%，说明产生的I/O请求太多，I/O系统已经满负荷，该磁盘可能存在瓶颈。
方法三：
如果玩游戏很卡，可以用hdparm –t /dev/磁盘名称来测试磁盘性能是否达标，下图是单个希捷1T的盘测试的结果
说明：sd表示硬盘是SATA，SCSI或者SAS，a表示串口的第一块硬盘
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