Ronald Pringadi's Technical Notes

Category: Linux

You got to love Linux. Not only that it is free, but it is also very strong, stable, and widely used.

  • Finding a String Inside Multiple Files in Linux

    This is how you can find a text/string Proudly inside folder /var/www. The -H parameter is to show the filename and -R is to make grep look recursively.
    grep -H -R "Proudly" /var/www

  • Fix Microsoft Mouse in Linux Ubuntu

    nano /etc/X11/xorg.conf

    Section "InputDevice"
    Identifier "Configured Mouse"
    Driver "mouse"
    Option "CorePointer"
    # Option "Device" "/dev/input/mice"
    Option "Protocol" "ExplorerPS/2"
    Option "Emulate3Buttons" "false"
    Option "ZAxisMapping" "4 5"
    Option "ButtonMapping" "1 2 3 6 7"
    EndSection

  • Colorize Linux Shell Menu

    Do you ever feel like you’re going blind because the prompt text color and the result text color are the same?
    We here is how to colorize your shell menu

    Open your favorite text editor vim or nano, and add this at the end

    $ nano ~/.bashrc
    PS1='\[\e[1;32m\][\u@\h \t \w]\$\[\e[0m\] '

    0;30 black
    0;31 light red
    0;32 light green
    0;33 light yellow
    0;34 light blue
    0;35 light purple
    0;36 light cyan

  • Edit default Gnome-Terminal

    Every time I open a shell terminal in my Ubuntu, I always think that the window size is too small. I always ended up resizing the shell window manually using the mouse. I you’re having this problem here is how to fix it permanently.
    gnome-terminal --geometry=80x25 -x /home/janne/.adom/adom

  • Add an Existing User to an Existing Group on Linux

    usermod -a -G GROUPNAME USERNAME

  • Tracing PostgreSQL Error Log

    /pgsql/dev-db/tail -f postgresql.log