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Usually, X11 forwarding is slow. However, we can choose some options to make it faster. 1. choose an appropriate cipher specification for encrypting the session Here is a benchmark done in Ubuntu bug report (#54180) $ for c in 3des-cbc aes128-cbc aes192-cbc aes256-cbc aes128-ctr aes192-ctr \ aes256-ctr arcfour128 arcfour256 arcfour blowfish-cbc cast128-cbc; \ do echo [...]

Create a macro and write the following into it Selection.PasteSpecial DataType:=wdPasteText This macro has the same function as “Paste Special … -> Unformatted Text”. Or enter Selection.PasteSpecial DataType:=20 This macro has the same function as “PasteSpecial … -> Unformatted Unicode Text”. You can also assign a shortcut key for the macro for your convenience.

Some websites/ftpsites have a restriction that one IP address can only have one  connection for downloading files. Linux has a very cool download tool can overcome this limitation. The tool, curl, can let you download a file through different local IP addresses or network interfaces simutanously by using the following command curl –interface eth0:1  –range [...]

Sometimes I need to run applications, which need an available X server, on cluster. I find this ‘Xvfb’ command really useful. It will create a virtual framebuffer X server using virtual memory.  All you need to do is lunch this Xvfb Xvfb :{display number} & and set the environment variable DISPLAY to ‘localhost:{display number}’, then [...]

How to check the memory speed without opening the computer case? An easy way to do that is using biosdecode command line utility. Dmidecode is a tool or dumping a computer’s DMI (some say SMBIOS) table contents in a human-readable format. The output contains a description of the system’s hardware components, as well as other [...]