Re: [opensuse] Editting PATH variable

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Stan Goodman wrote:
** Reply to message from G T Smith <grahamsmith@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
on Fri, 07 Sep 2007 22:16:55 +0100

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Stan Goodman wrote:
** Reply to message from G T Smith <grahamsmith@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
on Fri, 07 Sep 2007 20:27:20 +0100

2) The jdk was installed (foolishly, without thinking) in my home directory,

<snip>

No. The "foolishly, without thinking" was that I did NOT install with YaST; if
I had, the answer to (2) would have been the same as for (1), and no problem
would exist. What is a safe way to remove the jdk, given that YaST is of no
help?


Therefore I assume that you installed with rpm without running the
SuSEconfig script ... uninstalling with rpm should remove the package
without any problems... not knowing what you options you used to install
I would refer to the rpm manpage for the appropriate options to
uninstall...

<snip>

Here you are talking about modifying the bash profiles... Where you make
the changes depends on whether you want the path to change globally or
for a particular user, or on login.

I would like to understand both the global and user-only cases. For each of
these, I am most interested in producing a permanent change that will survive
reboot, so what you have called "on logon".

/etc/profile for system wide configuration

This is the system wide profile... there are other scripts in profile.d
that are used, it is called before...

~/.bash_profile ~/.bash_login or ~/.profile) for user login

(Actually, these are not aliases so much as alternates, the shell
searches for these files in that order... a login shell is the initial
login prompt shell)...Different distros do vary a bit on this..

or

~/.bashrc for non login shells

which is used for further instances of the shell.

These are related to settings in /etc/sysconfig.. in most cases user
modifications should placed in <profile>.local (read docs for more
detail than really be given in an email).

I will repeat it is not a good idea to make changes to these unless you
have a good knowledge of bash/sh, if you do wish to experiment use a
local settings in a test account.

If your unfamiliar with Bash a good book is 'Learning the Bash Shell' by
Newham and Rosenblatt. There is also a bash guide somewhere in the user
documentation (cant for the life of me remember where should be at the
moment)...


for a starter

these are effectively scripts and some knowledge of BASH scripting is a
good idea before attempting to modify these, (and read the BASH
documentation). Getting this wrong could make life rather interesting :-)

For Java use editing the PATH variable is NOT required...

As I have said, I am currently operating successfully with an incorrect PATH
variable. But that means that I have to specify the full pathname for the

Once you have loaded the java instance it does not care.. If you have a
close look at the bin directories you will come across links to things
in other directories... The standard path finds the link and then
executes the program.. simple... The SuSE rpm sets up this link ...
There is Randalls interesting suggestion which I had not heard any
references to before (which is something new to explore :-) ).

If you really are worried about having the path include the location of
the java directory then invoke java with a script that sets appropriate
path changes then calls java ...




- --
==============================================================================
I have always wished that my computer would be as easy to use as my
telephone.
My wish has come true. I no longer know how to use my telephone.

Bjarne Stroustrup
==============================================================================

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