How to clear Windows disk read cache?
Alternatively fill the cache with data that you know won’t be used in the test, then run the test.
windows-xp
Stopping the WinPcap Packet capture service
The WinPCap services is known as “NPF” (NetGroup Packet Filter), you can start/stop it on command line with c:\>net start npf The NetGroup Packet Filter Driver service was started successfully. C:\>net stop npf The NetGroup Packet Filter Driver service was stopped successfully. To find it in a GUI, you’ll have to open “Properties” for “My … Read more
What is Kernel Times
Understanding User and Kernel Mode http://blog.codinghorror.com/understanding-user-and-kernel-mode/ In Kernel mode, the executing code has complete and unrestricted access to the underlying hardware. It can execute any CPU instruction and reference any memory address. Kernel mode is generally reserved for the lowest-level, most trusted functions of the operating system. Crashes in kernel mode are catastrophic; they will … Read more
VPN client connect/disconnect via command line in XP
Yes, if the VPN connection is called “My VPN” then: rasdial “My VPN” will dial the connection. Helpfully it sets errorlevel to the RAS error code if it fails to connect, so your script can detect a connection failure. If you need to supply a username and password instead of using the saved credentials use: … Read more
Equivalent of Linux command `hostname –fqdn` in Windows XP?
You can find it in the system properties (“Computer name” tab). With the command line, you can run IPCONFIG /ALL and have a look at the “Host name” and “Primary DNS suffix” fields.