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Old 01-06-2005, 10:49 AM   #1
Registered: Jul 2004
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how/where to install apps for all users

im running suse 9.1 pro if its relevant...

trying to find out how and where I should be installing programs so that they are available to all users. I am aware of the security concerns and how dangerous it is to login as root, but I usually do login as root for administrative tasks, so assuming I download the app as root, how should I install it (and where do you reccomend to install it) so that all users can access it.

Old 01-06-2005, 10:55 AM   #2
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I do not recommend downloading anything as root.
Download it as a regular user. In the case of source tarballs (.tar.gz files), compile the software as a regular user; you only need to be root to install it.

Tip: from a console, you can use the su command to switch to the root user account without needing to log out; you will still need the login password.

The /usr/local/bin/ directory is supposed to be used for executable files for all users. Generally, you need to set the install prefix to /usr/local/ for this location to be used; other files will then go into appropriate places, documentation in /usr/local/doc, data files in /usr/local/share and so on.

The /usr/local directory structure is similar to /usr (used for software that ships as a part of your distro) and /opt (a legacy location used for “optional” or additional software).
Old 01-06-2005, 11:11 AM   #3
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so a user's ability to run a program depends just on where it is located (in /usr/sbin) and not on who installed it?
Old 01-17-2005, 02:57 PM   #4
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No, it depends on:

- the permissions of the mounted filesystem (if the filesystem has the noexec option set, nothing on that filesystem will run)

- the permissions and owner of the file. A file can be marked as executable for the owner user, the owning group, or everyone. By default, most packages set themselves to be run by everyone. (NB: scripts also have to be readable before they can be run)

- the permissions of the directory that the file is in. If a user cannot read the directory, then they can't run executables in that directory.

Security packages like sudo can be used to add more fine-grain tuning to who can use what.
Old 01-17-2005, 04:47 PM   #5
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Then you can figure out where files should be.



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