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  68687   Fri Sep 15 15:16:42 2017 Reply Andreas Luedekeandreas.luedeke@psi.chQuestionLinux3.1.2Re: Elog System Requirements

Hi Alan,

we run our ELOG server (38 GB Logbook data in about 50 logbooks dating back up to 16 years) on a virtual Linux box.
The memory is important, since ELOG scans through all entries and creates an index at start-up. But we have only about 6% used out of 2GB: ELOG is not very demanding. If you have many and large pictures attached, then "convert" needs a bit of memory to work with.
Since "elogd" is a single task, you will not gain much from many CPUs. File IO is often a limiting factor: we've tried a while to run the logbook data on an AFS directory, and that did not turn out well. A local disk is best, an NFS disk works fine as well (in our case).

Cheers, Andreas

Alan Grant wrote:

In response to an elog-hang issue I've been having on the Windows platform, I am building a new Unbuntu 14 TLS VM machine to host the identical configuration so that I can more easily debug when the hang happens again. I don't mind beefing up the hardware resources to either eliminiate that as a factor or resolve the problem. I'll have a higher end CPU to deal with 20 to 50 clients doing searches through the data (since the elog configuration currently does not provide a setting to limit how far back it can search with Quick Filters - pretty please add this basic setting!), but the main question I have now is what is a good amount of memory to add to the VM? I suspect even with 30 concurrent searches going CPU power will have more impact than memory in the case of elog. Can someone please confirm my suspicion and also recommend a suitable amount of memory I should install? My data volume is about 25 MB, all textual (no attachmemts), and the number of daily files goes back about 5 years. Any other tips for the build is very welcome.

 

  68686   Fri Sep 15 00:56:38 2017 Question Alan Grantagrant@winnipeg.caQuestionLinux3.1.2Elog System Requirements

In response to an elog-hang issue I've been having on the Windows platform, I am building a new Unbuntu 14 TLS VM machine to host the identical configuration so that I can more easily debug when the hang happens again. I don't mind beefing up the hardware resources to either eliminiate that as a factor or resolve the problem. I'll have a higher end CPU to deal with 20 to 50 clients doing searches through the data (since the elog configuration currently does not provide a setting to limit how far back it can search with Quick Filters - pretty please add this basic setting!), but the main question I have now is what is a good amount of memory to add to the VM? I suspect even with 30 concurrent searches going CPU power will have more impact than memory in the case of elog. Can someone please confirm my suspicion and also recommend a suitable amount of memory I should install? My data volume is about 25 MB, all textual (no attachmemts), and the number of daily files goes back about 5 years. Any other tips for the build is very welcome.

  68685   Mon Sep 4 13:19:33 2017 Reply Andreas Luedekeandreas.luedeke@psi.chQuestionWindowsELOG V3.1.3-fd7Re: javascript?
This logbook, the forum, provides some javascript code. The code is simply referenced in the footer (Bottom text = <file> | <string>).

<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.6.0/styles/default.min.css"><script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.6.0/highlight.min.js"></script><script>hljs.initHighlightingOnLoad();</script>

There's another example under elog:contributions/39

Cheers, Andreas

Tim Schelfhout wrote:

Is there anyone out there who can help me get started using javascript in elog ?  Is there an example somewhere ... i suppose you put the code in the
scripts folder?

Basically I am trying to calculate age of an added person in the database and display it after the birthdate field.  I  want to do other stuff, but once I know how 
the interaction is done I can proceed.

Thankx heaps

Great job btw with this ELOG ... been using it for years now.  I see you can add forms with html also, this might interest me for the future.

 

 

  68684   Mon Sep 4 13:08:35 2017 Reply Andreas Luedekeandreas.luedeke@psi.chRequestWindowsELOG V3.1.3-fd7Re: edit elog config via elog web interface

On the right side of "Change password" you should find "Change config file".

But you'll only see this, if the user has admin priviledges defined in the config file: "Admin user = <user>"

config menu

Then you can edit the configuration of that logbook. At the top you'll have a button "Change [global]" to edit the global part of the configuration - if you have the relevant priviledges to do so.

Tim Schelfhout wrote:

Hello,

Is it possible to edit the entire elog config file via the elog frontend?  I see the config button 
on some screens but it only allows me to change user and password??

Thankx

 

  68683   Mon Sep 4 11:56:47 2017 Question Tim Schelfhouttim.schelfhout@fixbrussel.beQuestionWindowsELOG V3.1.3-fd7javascript?

Is there anyone out there who can help me get started using javascript in elog ?  Is there an example somewhere ... i suppose you put the code in the
scripts folder?

Basically I am trying to calculate age of an added person in the database and display it after the birthdate field.  I  want to do other stuff, but once I know how 
the interaction is done I can proceed.

Thankx heaps

Great job btw with this ELOG ... been using it for years now.  I see you can add forms with html also, this might interest me for the future.

 

  68682   Mon Sep 4 11:22:05 2017 Question Tim Schelfhouttimpieworks@gmail.comRequestWindowsELOG V3.1.3-fd7edit elog config via elog web interface

Hello,

Is it possible to edit the entire elog config file via the elog frontend?  I see the config button 
on some screens but it only allows me to change user and password??

Thankx

  68681   Thu Aug 24 11:46:30 2017 Reply Stefan Rittstefan.ritt@psi.chQuestionMac OSXv3.1.2Re: Hide logbook tab when not authorized

Hi Stefano,

that's what top groups were made for. So make a top group for yourself, and nobody will be able to see them without having the proper URL. Hiding logbooks from the logbook selection page is not possible since when people bring up that page, they are not yet logged in, so elog does not know who is accessing the page (fortunatley no face recognition yet!). So if elog doe not know who looks at that page, logobook which a certain use has no access to cannot be hidden becuase the user is not known at that point.

Best regards,

Stefan

Andreas Luedeke wrote:

Well, Stefan would need to answer that. But if you are good with C-programming, you might implement it yourself?

There is a way to implement it; but it makes your installation a lot more complicated: you can have two ELOG servers. The first has all logbooks but requires authentification to read any. The second has only the public logbooks, and they are mirrored from the first.

Stefano Bonaldo wrote:

Hi Andreas,

many thanks for your answer. I partially agree with you, because sometimes "for privacy" of my working group I don't want that other users (external users) know the existance of the other logbooks.

Do you think that will be implemented in future?

Best regards, Stefano

Andreas Luedeke wrote:

Hi Stefano,

I think your assessment is correct: it is not possible to hide a logbook based on your read/write privileges.
And I'm not even sure that this would make much sense: at least you need to be able to get to the login page of the logbook.
But if you don't have read privileges for a logbook, you'll be automatically redirected to the login page, as soon as you select this logbook.

Kind Regards, Andreas

Stefano Bonaldo wrote:

Hello, I read carefully the manual, but I didn't find a way to hide the logbooks in the logbook bar and in the initial logbook selection for which the user does not have the access. So, if a user1 does not have the access to a specific logbook, user1 is not able to see that logbook in the bar and neither in the initial logbook selection. How can I do this without using the top groups?

 

 

 

 

  68680   Thu Aug 24 11:08:43 2017 Reply Andreas Luedekeandreas.luedeke@psi.chQuestionMac OSXv3.1.2Re: Hide logbook tab when not authorized

Well, Stefan would need to answer that. But if you are good with C-programming, you might implement it yourself?

There is a way to implement it; but it makes your installation a lot more complicated: you can have two ELOG servers. The first has all logbooks but requires authentification to read any. The second has only the public logbooks, and they are mirrored from the first.

Stefano Bonaldo wrote:

Hi Andreas,

many thanks for your answer. I partially agree with you, because sometimes "for privacy" of my working group I don't want that other users (external users) know the existance of the other logbooks.

Do you think that will be implemented in future?

Best regards, Stefano

Andreas Luedeke wrote:

Hi Stefano,

I think your assessment is correct: it is not possible to hide a logbook based on your read/write privileges.
And I'm not even sure that this would make much sense: at least you need to be able to get to the login page of the logbook.
But if you don't have read privileges for a logbook, you'll be automatically redirected to the login page, as soon as you select this logbook.

Kind Regards, Andreas

Stefano Bonaldo wrote:

Hello, I read carefully the manual, but I didn't find a way to hide the logbooks in the logbook bar and in the initial logbook selection for which the user does not have the access. So, if a user1 does not have the access to a specific logbook, user1 is not able to see that logbook in the bar and neither in the initial logbook selection. How can I do this without using the top groups?

 

 

 

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