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FAQs and Troubleshooting

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title	I want to change my password or forgot my password.

If you need to change your Pawsey account password, visit https://support.pawsey.org.au/password-reset/
If you do not remember your old password, please reset it from https://support.pawsey.org.au/password-reset/?action=sendtoken

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title	I need to have administrator privileges

Users are only granted standard user privileges. If you require administrator privileges to perform a function, please contact help@pawsey.org.au with your request.

Visualisation Lab users only: As an alternative, you can use your laptop.

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title	Does internet disconnection or accidentally closing browser end my remote visualisation session?

No. You only need to re-login to your remote session and everything will be back to the stage when you got disconnected.

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title	My account has been locked

Please send a help request to help@pawsey.org.au with details of the system, node name and your Pawsey username.

Nebula - Remote Vis

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title	Avizo license is not activated

When launching Avizo:

Activate Avizo → Use FNP license server → type "prod-licencelicense-server2.pawsey.org.au " in the box (without quotes) → click Activate

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title	Can I use more than one instance at the same time?

You can only use one instance at a time in nebulaNebula.

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Setonix - Remote Vis

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This can occur when your /home drive is full and the remote vis system cannot create the required temporary files.

Check your available quota with the below command:

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title	When starting a remote vis session, I get the error "Xrdp failed to start"

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quota

The output should resemble the following

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-bash-4.2$ quota Disk quotas for user XXX (uid XXX): Filesystem blocks quota limit grace files quota limit grace netapp00:/vol/home 1048576* 1048576 1048576 1890 104857600 104857600

If the first number is equal to or exceeds the second number (quota), then you will need to free up some space. It is also possible to exceed the file count limit (4th and 5th number), In which case you will need to delete some of your data with lots of small files.

A detailed explanation and guide on how to do this can be found in the supercomputing documentation: Quota Limit on your home area

title	When opening a terminal or xterm session, I cannot access most commands (for example "module load")

If this is your first time running remote vis on Topaz, you will need to add a few lines to your .bashrc file in order to be able to use bash correctly and have access to all installed programs in the terminal.

vi .bashrc

Open your .bashrc file for editing in VI (Figure 20). Scroll to the bottom of the file with the arrow keys and press i to enable insert mode (Figure 21) Copy and paste the following lines into the file using the technique shown above in figures 12-15 (Figure 22). Then press escape to exit insert mode and type :wq to save and quit (Figure 23)

if [ -f /etc/redhat-release ]; then
    if [ -f /etc/bashrc ]; then
        . /etc/bashrc
    fi
fi

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Then, follow the same procedure to add similar lines to your .bash_profile file (this file may not exist yet)

vi .bash_profile

if [ -f /etc/redhat-release ]; then
    if [ -f ~/.bashrc ]; then
        . ~/.bashrc
    fi
fi

If you are having trouble with the command line interface of vi, when using the desktop app in remote vis, you can also launch gedit:

gedit .bashrc

to get a GUI text editor

You will need to close and then re-open the terminal window for the changes to take effect.

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title	When starting a remote vis desktop session, I have a black screen instead of a desktop.

This can occur when an application you used on Zeus has made config changes to your window manager. As Topaz uses the same window manager, but a different operating system, this can cause incompatibilities with the new system. You can usually fix this issue by deleting/renaming some config files in your home directory and letting the system re-generate them from default settings. To make changes to your home folder without the desktop, either ssh into a pawsey system (eg. topaz.pawsey.org.au) or start an xterm session using the bookmark at remotevis.pawsey.org.au. To create a new folder to place the backups in:

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mkdir backup

Then move the following folders to it using the below commands.

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title	folders

mv .config backup/.config
mv .cache backup/.cache
mv .fastx_server backup/.fastx_server
mv .dbus backup/.dbus
mv .ICEauthority backup/.ICEauthority

and, optionally (if they exist in your user folder, and the above did not fix your issue):

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title	folders

mv .local backup/.local
mv .fonts backup/.fonts
mv .gnupg backup/.gnupg
mv .nv backup/.nv

If you still cannot get the desktop to show correctly after following these steps, please contact help@pawsey.org.au

How do I get access?

If you have a current Setonix supercomputing allocation, you can get access to the remote visualisation service by contacting help@pawsey.org.au.

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title	Is there any limit to number session one can run?

Please make sure you are running only one remote visualisation session at any given time. If you want to open another session, make sure to close the first one before opening another one.

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title	Is there any session walltime?

Wall time for interactive remote visualisation is 8 hours.

Visualisation Lab

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title	I am having trouble logging in or I am being automatically logged out

The dedicated machines check for a valid booking on our reservation system.

Make sure you have a valid booking and that your booking has been confirmed by the vis team (you should receive an email confirming your booking).

If your issue persists please contact help@pawsey.org.au or in urgent situations please contact the representative listed on the touch screen information panel.

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title	I am having technical issues with the system

Send your issue with details (e.g. screenshots, username, error message, etc.) to help@pawsey.org.au

In urgent situations please contact the representative listed on the touch screen information panel

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Versions Compared

Old Version 21

New Version Current

Key

FAQs and Troubleshooting

Nebula - Remote Vis

Setonix - Remote Vis

Visualisation Lab