 23 Dec 2005, Stefan Ritt, Info, How do I do custom event building?
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> It turns out the the standard event builder fragment matching algorithm cannot
> be used in my TPC application. I have two TPC-USB interfaces, which lack any
> "busy" or synchronization logic. I send the hardware trigger into both
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03 Jan 2006, John O'Donnell, Info, How do I do custom event building?
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At DANCE we have a similar issue. We are still doing "software
handshaking" between multiple frontends (15 which read data, and 16th
with direct accessto the trigger logic), and we apply a time stamp
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 14 Aug 2025, Tam Kai Chung, Forum, How can I retrieve online data
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Dear experts,
I would like to know how to retrieve the online data during the experiment so
that I can create my own custom plot. I execute my own frontend.exe to start the
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14 Aug 2025, Konstantin Olchanski, Forum, How can I retrieve online data
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> I would like to know how to retrieve the online data during the experiment so
> that I can create my own custom plot. I execute my own frontend.exe to start the
> experiment. I can get a midas file after the experiment, but I am not sure about
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24 Aug 2025, Tam Kai Chung, Forum, How can I retrieve online data
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> > I would like to know how to retrieve the online data during the experiment so
> > that I can create my own custom plot. I execute my own frontend.exe to start the
> > experiment. I can get a midas file after the experiment, but I am not sure about
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24 Aug 2025, Tam Kai Chung, Forum, How can I retrieve online data
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> > I would like to know how to retrieve the online data during the experiment so
> > that I can create my own custom plot. I execute my own frontend.exe to start the
> > experiment. I can get a midas file after the experiment, but I am not sure about
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14 Oct 2014, Konstantin Olchanski, Bug Report, Hostile network scans against MIDAS RPC ports
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At CERN I see a large number of hostile network scans that seem to be injecting HTTP requests into the
MIDAS RPC ports. So far, all these requests seem to be successfully rejected without crashing anything, but
they do clog up midas.log.
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14 Oct 2014, Stefan Ritt, Bug Report, Hostile network scans against MIDAS RPC ports
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Doing this through the ODB seems ok to me. If the ODB cannot be accessed, you can fall back to no protection.
At PSI we fortunately do not have these network scans because PSI uses a institute-wide firewall. So you can connect from outside PSI to inside PSI only |
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16 Oct 2014, Konstantin Olchanski, Bug Report, Hostile network scans against MIDAS RPC ports
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> Doing this through the ODB seems ok to me. If the ODB cannot be accessed, you can fall back to no protection.
>
> At PSI we fortunately do not have these network scans because PSI uses a institute-wide firewall.
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16 Oct 2014, Stefan Ritt, Bug Report, Hostile network scans against MIDAS RPC ports
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> Sometimes we have very small MIDAS installations, i.e. just one machine by itself, and such setups should be secure/secured easily -
> too much work to setup an external firewall box just for one machine and OS-level firewall rules sometimes conflict
> with some OS services (i.e. NIS) (I am still waiting for the "NIS to LDAP migration for dummies" guide).
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23 Jan 2026, Mathieu Guigue, Info, Homebrew support for midas
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Dear all,
For my personal convenience, I started to add an homebrew formula
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23 Jan 2026, Stefan Ritt, Info, Homebrew support for midas
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Hi Mathieu,
thanks for your contribution. Have you looked at the install.sh script I developed last week:
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23 Jan 2026, Mathieu Guigue, Info, Homebrew support for midas
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Thanks Stefan!
Actually, these two approaches are slightly different I guess:
- the installation script you are linking manages the
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26 Jan 2026, Stefan Ritt, Info, Homebrew support for midas
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> Actually, these two approaches are slightly different I guess:
> - the installation script you are linking manages the
> installation and the subsequent steps, but doesn't manage the dependencies: for instance on my machine, it didn't find root and so manalyzer
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26 Jul 2019, Nik Berger, Bug Report, History/Endianness
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Hi,
I have a bank of floats with slow control values that I store to the history and
ODB. When reading the history, both in the webbrowser and with mhist, the floats
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10 Jun 2025, Nik Berger, Bug Report, History variables with leading spaces
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By accident we had history variables with leading spaces. The history schema check then decides that this is a new variable (the leading space is not read
from the history file) and starts a new file. We found this because the run start became slow due to the many, many history files created. It would be
nice to just get an error if one has a malformed variable name like this.
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19 Jun 2025, Stefan Ritt, Bug Report, History variables with leading spaces
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I added now code to the logger so it properly complains if there would be a leading space in a variable name.
Stefan
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17 Jan 2024, Francesco Renga, Forum, History tags
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Dear experts,
I would like to have some clarification about the meaning and use of the
tags in the ODB under /History/Tags.
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18 Jan 2024, Stefan Ritt, Forum, History tags
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This part of the system has been designed by KO, so he should reply here.
Stefan |
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28 Jan 2024, Konstantin Olchanski, Forum, History tags
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> This part of the system has been designed by KO, so he should reply here.
That's right. Some of this stuff is historical gibberish that is no longer needed
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