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X2Go Connection Issues with Terrascope VM

Hello everyone,

I'm reaching out because I've been having difficulties connecting to my Terrascope Virtual Machine through the X2Go client. I've closely followed the steps outlined in Terrascope's documentation, but I've been unsuccessful in my connection attempts on multiple computers.

Here are the key steps I've taken:

1 - Downloaded and installed the X2Go client for Windows from the official source ( https://wiki.x2go.org/doku.php/download:start ). I have a query regarding this: is there only the 32-bit version, or is there a 64-bit version available as well?

2 - Opened the X2Go client and added a new session.

3 - In the session settings, I inputted the following:

    Session name: "Terrascope VM"     Host: "uservm.terrascope.be"     Login: "mum1994mixo$"     SSH port: "24415"     Session type: "XFCE"     In the 'Connection' tab, I changed the compression method to '4k-png', as specified in the Terrascope guidelines.

4 - After saving these settings, I attempted to initiate the connection from the main X2Go Client window by double-clicking the session. I entered my Terrascope account username and a password. However, I encountered an error during the connection attempt that appears to indicate a server-side issue.

The error message in full is as follows:

"Connection failed. : /ust/lib64/x2go/libx2go-server-db-

sqlite3-wrapper insertsession 50

mum1994mixo.userym.rscloud.vito.be

mum1994mixo-50-1688502354. stDXFCE_dp32 at

/usr/share/perl5/vendor_perl/X2Go/Server/DB.pm line 251

/usr/lib64/x2go/libx2go-server-db-sqlite3-wrapper

insertsession 50 mum1994mixo.uservm.rscloud.vito.be

mum1994mixo-50-1688502354. stDXFCE_dp32 at

/usr/share/perl5/vendor_perl/X2Go/Server/DB.pm line 251

/usr/lib64/x2go/libx2go-server-db-sqlite3-wrapper

insertsession 50 mum1994mixo.uservm.rscloud.vito.be

mum1994mixo-50-1688502355_stDXFCE_dp32 at

/usr/share/perl5/vendor_perl/X2Go/Server/DB.pm line 251

/usr/lib64/x2go/libx2go-server-db-sqlite3-wrapper

insertsession 50 mum1994mixo.uservm.rscloud.vito.be

mum1994mixo-50-1688502355_stDXFCE_dp32 at

/usr/share/perl5/vendor_perl/X2Go/Server/DB.pm line 251

/usr/lib64/x2go/libx2go-server-db-sqlite3-wrapper

insertsession 50 mum1994mixo.uservm.rscloud.vito.be

mum1994mixo-50-1688502356_stDXFCE_dp32 at

/usr/share/perl5/vendor_perl/X2Go/Server/DB.pm line 251

/usr/lib64/x2go/libx2go-server-db-sqlite3-wrapper

insertsession 50 mum1994mixo.uservm.rscloud.vito.be

mum1994mixo-50-1688502357_stDXFCE_dp32 at

/usr/share/perl5/vendor_perl/X2Go/Server/DB.pm line 251

/usr/lib64/x2go/libx2go-server-db-sqlite3-wrapper

insertsession 50 mum1994mixo.uservm.rscloud.vito.be

mum1994mixo-50-1688502357_stDXFCE_dp32 at

/usr/share/perl5/vendor_perl/X2Go/Server/DB.pm line 251

/usr/lib64/x2go/libx2go-server-db-sqlite3-wrapper

insertsession 50 mum1994mixo.uservm.rscloud.vito.be

mum1994mixo-50-1688502358_stDXFCE_dp32 at

/usr/share/perl5/vendor_perl/X2Go/Server/DB.pm line 251

/usr/lib64/x2go/libx2go-server-db-sqlite3-wrapper

insertsession 50 mum1994mixo.uservm.rscloud.vito.be

mum1994mixo-50-1688502358_stDXFCE_dp32 at

/usr/share/perl5/vendor_perl/X2Go/Server/DB.pm line 251

/usr/lib64/x2go/libx2go-server-db-sqlite3-wrapper

insertsession 50 mum1994mixo.uservm.rscloud.vito.be

mum1994mixo-50-1688502359_stDXFCE_dp32 at

/usr/share/perl5/vendor_perl/X2Go/Server/DB.pm line 251

Unable to find free display port or insert new session into

database; parameters: port (50), hostname

(mum1994mixo.uservm.rscloud.vito.be) and session name

(mum1994mixo-50-1688502359_stDXFCE_dp32)."

 

I've double-checked all the entered details for accuracy and attempted the connection using different computers, but the issue remains unresolved.

Has anyone encountered a similar problem or can anyone help troubleshoot this issue? I'm happy to provide additional information if needed, or carry out any recommended troubleshooting steps.

Thank you in advance for your help!

 

 

Best regards,

Marcello Bilancioni

 

Comments

Hello,

I recreated the X2GO database. Could you please try to connect with X2GO again? If it still doesn't work, can you send us your X2GO sessions file to s-ops@vgt.vito.be so we can further debug this issue.

https://wiki.x2go.org/doku.php/wiki:development:sessions-file

 

Kind regards,

Stijn

Due to a bug in the X2GO server, it is not possible for users with a $ character in their username to start a session. We will submit a bug report to the X2GO project.

As a workaround, you can register again with a different username that doesn't include this character.

 

Kind regards,

Stijn

Hi all,

 

I am trying to connect to the VM, however after entering my login credentials, the X2GO client freezes, and does not proceed. I tried reinstalling, but it did not help. Any help would be appreciated

 

Dávid

Hi Dávid, I cleaned the existing sessions of X2Go on your VM. Could you please try again to connect to the VM following the instructions in the documentation?  https://docs.terrascope.be/#/Developers/VirtualEnvironments/VirtualMachines?id=graphical-access

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