Difference: LoginServices (5 vs. 6)

Revision 62011-04-13 - AndrewPickford

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META TOPICPARENT name="WebHome"

Login Services

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  An ssh client is then required to access ppelx.physics.gla.ac.uk (e.g PuTTY for Windows; and the ssh command on linux etc. desktops). PuTTY does not need to be administratively installed in Windows: you could write a copy onto a USB stick or a floppy disk, and take it with you in case the distant machine does not have it already.
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Other PPE Machines

After logging into ppelx.physics.gla.ac.uk or login.physics.gla.ac.uk ppe users can then ssh into any ppe desktop machine.

SL4 Machines

A group of machines running Scientific Linux 4 is also availble:

  • ppelx64sl4.physics.gla.ac.uk for 64 bit SL4
  • ppelx32sl4.physics.gla.ac.uk for 32 bit SL4
 

login.physics.gla.ac.uk

The deptartmental login server login.physics.gla.ac.uk is also vailable from outside using your departmental linux account (i.e. your email username and password). Currently access to login.physics.gla.ac.uk for is granted by request only, contact Faculty IT if you wish to use login.physics.gla.ac.uk.

For forwarding X windows through login.physics.gla.ac.uk see ExtXWindows.

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Other PPE Machines

After logging into ppelx.physics.gla.ac.uk or login.physics.gla.ac.uk ppe users can then ssh into any ppe desktop machine. Additionally a group of machines running 64 bit Scientific Linux 4 is also availble: ppelx64sl4.physics.gla.ac.uk

Avoiding the copying double hop

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Avoiding the copying double hop using login.physics.gla.ac.uk

 As ppelx.physics.gla.ac.uk can now be accessed directly the information below on doing a direct file copy is now redundant. The orginal script and instructions are below incase they can help in other double hop situations.

As the ppe linux machines are not directly accessible from outside copying files to the ppe systems from outside would seem to require first copying a file to login.physics.gla.ac.uk then logging into login.physics.gla.ac.uk to copy the file to the ppe systems. From a linux system this double hop can be avoided using by using a wrapper script to scp and some ssh configuration options.

 
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