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Moving executable [message #1768251]

Sat, 15 July 2017 22:07

Anne Creek

Messages: 275
Registered: September 2014

Senior Member

I have successfully downloaded Eclipse (Kepler) into Download "folder" on Ubuntu.
I need to copy entire file into USB drive - can't do , do not have permission to create it in destination. With support from Ubuntu forum I may be able to figure this one out.
More suggestions from this one welcome.

I like to put the executable link on Ubuntu desktop - can't just copy the link to it - missing "supporting " files. OK, it is my lousy knowledge about OS "security issues , processes", but could this forum help me to solve this also?

PS is there a document describing naming convention AKA Kepler, Oxygen etc
How do I know which is the latest version of Eclipse CDT ?

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Re: Moving executable [message #1768261 is a reply to message #1768251]

Sun, 16 July 2017 07:15

David Vavra

Messages: 1426
Registered: October 2012

Senior Member

I install Eclipse in the /opt directory.
Download the file from: https://www.eclipse.org/downloads/packages/eclipse-ide-cc-developers/oxygenr
There are links on the side for other releases.
On the right are downloads for various OS configurations.

I then expanded the file into the appropriate directory (e.g. /opt/oxygen-R)
I don't use desktop links. I have a launcher in one of the xfce4 panels.
The executable in the oxygen example would be /opt/oxygen-R/eclipse
Consult the Ubuntu documentation for creating a Desktop launcher.

Trying to use different releases on the same system is tricky.
For one, the workspaces are different for each.

It's best to use the latest release as found in the Releases column unless you have a compelling reason to use an earlier release.

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Re: Moving executable [message #1768273 is a reply to message #1768261]

Sun, 16 July 2017 15:50

Anne Creek

Messages: 275
Registered: September 2014

Senior Member

I install Eclipse in the /opt directory.

I presume you met "download" and not install.
I have no option in Ubuntu to select the place of download - it goes into "Downloads" folder. ( Please correct me if I am using wrong terminology calling it "folder" ).

Now when I attempt to copy the downloaded file ( using Ubuntu GUI app File Manger)
I get "permission denied" error.

I do not understand WHOSE permission I am violating - Download folder or destination.

When I try to gain permission in the destination device - I cannot because I am not the owner.
I am about to try command to change the elusive "permission" )
I guess I need advise on how to change the device ownership .

PS I have been playing with different versions of Eclipse and always manage to slelect the correct workspace, no problem there.
David , I really appreciate your help. Thanks

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Re: Moving executable [message #1768287 is a reply to message #1768273]

Mon, 17 July 2017 03:32

David Vavra

Messages: 1426
Registered: October 2012

Senior Member

I meant install vs. download.
The download is to my Downloads directory.
I install Eclipse by copying the files from the downloaded tarball.

/opt is owned by root in most Linux systems.
You need to create the subdirectory as root then, as root, chown it to yourself or to one of your groups.
There are other ways of course such as running the GUI file browser as root.

If you are running Selinux then you may need to satisfy it as well.
Some systems allow access to devices only by members of certain groups.
If you are trying to install on a USB device you still need to ensure you are the owner or at least belong to an appropriate group.

How to do all of this is beyond the scope of this forum.
You should direct permission questions to an Ubuntu or a general Linux forum.

[Updated on: Mon, 17 July 2017 03:34]

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