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hfinger 11-26-2003 06:25 PM will not launch
I cannot start applications from the K menu. An entry appears in the task bar and the pointer becomes busy. Then, after a few moments, the task bar entry disappears and ... nothing.

I recently installed an application that came as several .tar.gz archives that had to be unpacked into specific directories. So that it would appear in $PATH and be available to all users, I created a symbolic link in /usr/bin:

# ln -s /opt/appInstall/bin/startApp startApp

Then, in a moment of stupidity, I executed

# chmod go-rw a+x startApp

on the just-created symbolic link.

The result:


/usr/bin/startApp // no permission error
/opt/appInstall/bin/startApp // app starts


/usr/bin/startApp // no permission error
/opt/appInstall/bin/startApp // no permission error

So what am I doing wrong. I may have to delete the sym link and reinstall unless there is an obvious mistake someone can spot.

Platform: Dell Optiplex GX260, Pentium 4 @ 2.4 GHz, 512 Mb RAM, Mandrake 9.1, KDE

Keywords: apps application applications program programs won't not start starting launch launching open opening hang on abort menu terminal command line

    # ln -s /opt/appInstall/bin/startApp startApp


    # chmod go-rw a+x startApp



    # ln -s /opt/appInstall/bin/startApp startApp

scott_R 11-27-2003 03:02 AM

remove the link (rm -rf /usr/bin/startApp) That should remove that problem, but it might help to check the permissions on the original file (ls -l /dir/filename). chmod o is almost always a bad idea, no matter the situation. As you're going to delete the link, no biggy.

As for your execution problem with SO, are you running the staroffice program, or are you trying to run the "setup" as a user. I know it says staroffice in the menu, but you might want to try 'main menu--office--wordprocessors" (this is through gnome). That should give you the text editor and so on. SO isn't so much a "suite" as a group of linked programs, much like MS Office. In other words, you run the program, not start up a group and run the program from the group.

hfinger 11-30-2003 04:47 PM

Using (symbolic?) links to start apps [was ' will not launch']
I did not emphasize clearly enough that I had TWO apparently related problems.

(1) I could not start Write, Calc, or anything else from either the command line or menu as a user but I could as root.

(2) I had installed another program supplied as a set of .tar.gz archives that had to be unpacked into various designated directories.

That said, I noticed that on MDK Linux it seems to be the rule that, rather than adding <app>/bin/ directories to $PATH, you add a symbolic link to the app startup script or executable to the /usr/bin directory. Since this is always in $PATH executing a command in any directory calls the symlink that calls the 'real' executable.

Since you wrote, I have discovered that symlinks always have lrwxrwxrwx permissions and executing chmod on them has no effect but MAY (in circumstances I can't fathom) affect the target file.

I the case of (1) OOo, the oowrite file in /user/bin is a symlink to the OOo executable. In the case of (2), I created the /usr/bin/startApp symlink to the startApp in the /usr/lib/App/bin; it turns out that the target startApp is itself a symlink to a .wrapper executable bash script that starts the app in earnest.

I have since read that OOo is not installed properly with the MDK 9.1 installation package and that you have to install it yourself in a two-step process:

(a) install OOo as root into its /usr/lib/whatever installation folder, then
(b) as user run setup to install prefs files, etc. in the /home/user directory.

Will try this and report back what happens. But this still won't explain I can't run case (2) as user when installed into /usr/lib/App -- only when installed into /home/user/lib/App.

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