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Welcome to manual pages for Tieto DevOps Space. You can read all articles here or use links "How-to articles" in the left menu.

Tieto DevOps Space portal has 5 parts: Customer area, Projects, Store, User profile and Administration.

Administration part is accessible only to TDS administrators and is described in a separate Administration Guide.

Customer Area

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User profile

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Projects

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Project pages and Store

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Logs and graphs

Resources page contains information about the project's resources. Project owners can request change of resources by contacting support using Help Center.

Users can show usage statistics using Usage in the menu.

Item Logs opens page with detailed statistics about project.

SSH keys and connection

Generating a SSH Key in a Windows

Make sure to follow instructions at SSH Key#GeneratingaSSHKeyinaWindows

Generating a SSH key on Linux

Make sure to follow instructions at SSH Key#GeneratingaSSHkeyonLinux

Converting SSH Keys to PPK Format

Follow instructions at SSH Key#ConvertingSSHKeystoPPKFormat


Connecting to server using PuTTy for Windows

You'll need a SSH key. How to generate is described in this article.

PuTTy for Windows can be downloaded from this link. 

You can find a guide for using PuTTy for Windows at this link.

 

Remote Desktop Clients

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FAQ

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Virtual Environment Ubuntu screen is freezing randomly while using X2Go

Besides possible performance issues this can by caused by incompatibility of sound card. It can be solved by disabling audio support in X2Go - Session > Preferences > Media > Sound support

Closed remote proxy connection

It may happen that you can get following message when trying to connect to remote desktop. 

The remote proxy closed the connection while negotiating
the session. This may be due to the wrong authentication
credentials passed to the server.

Workaround 1

Initial workaround is to remove all opened sessions from your local ~/.x2go directory:

rm -f ~/.x2go/S-*

When connecting to server remember to terminate old session(s) and start a new session.

Workaround 2

If workaround 1 did not help:

  • repeat workaround 1 to avoid sessions mess

  • login to your x2go remote server and remove .Xauthority file in your home directory on the remote server:

    rm -f ~/.Xauthority
  • try X2go again

Workaround 3

If workaround 1+2 did not help:

  • repeat workaround 1+2 to avoid sessions mess

  • login to your x2go remote server and remove .ICEauthority file in your home directory on the remote server:

    rm -f ~/.ICEauthority
  • try X2go again

Wrong version or invalid session authentication cookie

Symptoms

Message in x2go log while connecting to server:

Loop: PANIC! The remote NX proxy closed the connection.
Error: The remote NX proxy closed the connection.
Loop: PANIC! Failure negotiating the session in stage '7'.
Error: Failure negotiating the session in stage '7'.
Loop: PANIC! Wrong version or invalid session authentication cookie.
Error: Wrong version or invalid session authentication cookie.

This seems to occur sometimes after reboot of server while some users were still connected.

Workaround

  • login to your x2go remote server via ssh and remove +re-create x2go sessions database file in your home directory on the remote server:

    rm -f /var/lib/x2go/x2go_sessions
x2godbadmin --createdb
  • try X2go again

Inspired by https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=323

How to solve cygwin unprotected key problem?

I can't connect to server using SSH key from Cygwin. I found, that I can't change ssh key file permission.

WARNING: UNPROTECTED PRIVATE KEY FILE!
To resolve this copy your SSH key to /tmp/mysshkey:
mkdir /tmp/fermin
cp ~/.ssh/id_rsa /tmp/fermin
chmod 600 /tmp/fermin/id_rsa
ssh -l fermin -i /tmp/fermin/id_rsa localhost

 

 

 

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