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Posts tagged windows 7
Find Up Time In Windows 7 and Windows XP
02 years ago
System up time is the amount of time a system has been powered on since the last reboot. It’s an important figure because it gives the admin an idea of how long a system has been on. It may not be as important for a deskop user but for a server it can aid in the troubleshooting process.
In other versions of Windows like Windows XP it was as simple as running a command prompt and typing:
C:\Documents and Settings\admin>systeminfo | find "Up Time"
System Up Time: 9 Days, 4 Hours, 25 Minutes, 18 Seconds
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The “| find “Up Time”" just searches the output to display the system up time information.
In Windows 7 however, they changed it. It’s not called “System Up Time” anymore but “System Boot Time”. So you would run the systeminfo command with “System Boot Time” after the pipe as follows:
C:\Users\admin>systeminfo | find “System Boot Time”
System Boot Time: 3/11/2010, 5:04:17 PM
Notice when you run it this way it just shows the time and date of when you booted the computer not the actual hours its been on.
There is another way in Windows 7 to have the actual running time. Right click on the task bar and select “Task Manager”. Under the “performance” tab under “system” it now shows you the “Up Time”. See the pic below. This shows you the number of days, hours, minutes, and seconds. As you can see my computer has been on for 7 days, 13 hours, 37 minutes since i rebooted it. What’s your up time?
Disabling Remote Differential Compression To Speed Up Network Performance
02 years ago
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Remote Differential Compression (RDC) allows applications to synchronize data between two computers in an efficient manner. By measuring differences between network files using the RDC compression algorithm files can be synchronized using minimal bandwidth by limiting the amount of data that needs to be sent across the network.
Because many pre-Vista Windows operating systems don’t use RDC it may hamper network performance. To turn RDC off In Windows Vista or Windows 7:
Start > Control Panel > Programs And Features
Uncheck “Turn Windows Features On and Off”
It may be a good idea to restart your system at this time even though it doesn’t explicitly ask you to.
Here is the overview from MSDN:
http://msdn.microsoft.com/en-us/library/aa373254(VS.85).aspx
“About Remote Differential Compression
Remote Differential Compression (RDC) allows data to be synchronized with a remote source using compression techniques to minimize the amount of data sent across the network.
RDC is different from patching-oriented differencing mechanisms, such as Binary Delta Compression (BDC), that are designed to operate only on known versions of a single file. BDC requires the server to have copies of all versions of the file, and differences between each pair of versions are precomputed so that they can be distributed efficiently from a server to multiple clients.
RDC makes no assumptions about file similarity or versioning. Because differences between files are computed on the fly, RDC is ideally suited for synchronizing files that are different or have been updated independently.
RDC does not assume that the file data to be synchronized resides in physical files. Therefore, the RDC application is responsible for performing file I/O on behalf of the RDC library.
Because it is transport independent, RDC can be used with RPC, HTTP, or other desired transport mechanisms. The RDC application bears the responsibility for choosing the appropriate transport and performing any client or server authentication that is required to support the transport’s security model.
RDC is suitable for applications that move data across a wide area network (WAN) where the data transmission costs outweigh the CPU cost of signature computation. RDC can also be used on faster networks if the amount of data to be transferred is relatively large and the changes to the data are typically small.”