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Thread: path environment

  1. #1
    Junior Member registered user
    Join Date
    Oct 2004

    path environment

    Hi all,

    Im installing NS2 on hd installed knoppix 3.9 (debian). After completing the install process, the install script gave this message:


    Please put /home/roustabout/ns-allinone-2.28/bin:/home/roustabout/ns-allinone-2.28/tcl8.4
    into your PATH environment; so that you'll be able to run itm/tclsh/wish/xgraph.

    You MUST put /home/roustabout/ns-allinone-2.28/tcl8.4.5/library into your TCL_LIBRARY environmental
    variable. Otherwise ns/nam will complain during startup.

    (1) My question where do i put this path environment? Is it in the bashrc located in the /etc?

    export PATH
    am i correct?

    (2) For the second part, where do i find this TCL_LIBRARY variable?

    Thank you.

    p/s: i'm a linux newbie

  2. #2
    Senior Member
    Join Date
    Nov 2003
    First check if you have set TCL_LIBRARY with: echo $TCL_LIBRARY
    If you get no output do: echo "export TCL_LIBRARY=/home/roustabout/ns-allinone-2.28/tcl8.4.5/library" >> ~/.bashrc
    If you get output do: echo "export TCL_LIBRARY=$TCL_LIBRARY:/home/roustabout/ns-allinone-2.28/tcl8.4.5/library" >> ~/.bashrc

    Then do: echo "export PATH=$PATH:/home/roustabout/ns-allinone-2.28/bin:/home/roustabout/ns-allinone-2.28/tcl8.4.5/unix:/home/roustabout/ns-allinone-2.28/tk8.4.5/unix" >> ~/.bashrc

    You can of course just add the lines to ~/.bashrc or ~/.profile instead of echoing them there.
    If you want them systemwide for all users add them to /etc/profile

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