• KAGRA
• Subgroups
• DET
• Meeting

Meetings

• Meeting time: 11:00-11:30 JST/KST on every Wednesday
• Meeting room: Zoom3

Agenda & Minutes

20230412 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Registration fee (Online without Presentation) is free for master or undergraduate students

    • KIW10 : 29–30 May 2023 @ National Tsing Hua University (NTHU) web

    • Collect all information related to O4 wiki

  • Checklist for event validation (YamaT, Yuzurihara)
    • slide
    • Asking CBC chair about how many CBC events should be validated by KAGRA detchar members.

  • KAGRA commissioning reports (Yokozawa) Commissioning230412

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
      • Staying at KAGRA site this week.
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

    • OpLev glitch in TypeB/Bp suspensions

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)

    • Review of DQR tool is on-going. review call wiki

  • Update contents of summary page (Oshino)

    • Results of PSL tapping test with Hveto and Omegascan

    • Update stran data on SummaryPage

    • Resubmit live process

  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)
  • Operation of NoEMi

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes

20230405 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Registration fee (Online without Presentation) is free for master or undergraduate students

    • KIW10 : 29–30 May 2023 @ National Tsing Hua University (NTHU) web

    • Zoom meeting on O4 RRT: call for level-0 shift takers : deadline April 7 UTC 0800.

      • RRT demo slide

      • RRT presentation at plenary session slide

    • Collect all information related to O4 wiki

  • KAGRA commissioning reports (Yokozawa) Commissioning230329

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

    • OpLev glitch in TypeB/Bp suspensions

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)
  • Operation of NoEMi

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes
  • Commissioning support
    • Pastavi update (Yuzurihara)
      • Preparing the summary page to list up noise budget which were generated by commissioners
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
      • trying to solve the errr related to segment file
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

      • Unsafe channel of Hveto

    • OpLev glitch in TypeB/Bp suspensions

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
    • Detchar cluster is constructed at KAGRA site
    • need to test each Detchar tool in conda env.
  • Update contents of summary page (Oshino)

    • Sometimes loading Hveto page was failed

    • Update rerun process for summary page

    • Modified make segment script

    • Restarting Fscan

  • Operation of NoEMi
    • Proposal to use NoEMi (line tracking tool developed by Virgo)
    • During O3 era, we attempted to install at Kamioka
    • Try to install NoEMi at m31 (at Kashiwa) this summer with developer's help

    • introduction slide

    • Q. what is difference between Fscan and NoEMi?
      • In NoEMi, there is database to list up line noise. That requires the human-input. No database on Fscan

20230329 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Registration fee (Online without Presentation) is free for master or undergraduate students
    • Zoom meeting on O4 RRT: call for level-0 shift takers : March 30 18:30-20:00 JST (see [kagra 05680])

      • RRT demo slide

      • RRT presentation at plenary session slide

    • Collect all information related to O4 wiki

  • KAGRA commissioning reports (Yokozawa) Commissioning230329

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

    • OpLev glitch in TypeB/Bp suspensions

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Commissioning support
    • Pastavi update (Yuzurihara)

      • Prepared the manual, how to create noise budget by Pastavi manual

    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
      • Verification of channel list for Hveto
    • Classification of glitch noise (Shikano, Oshino)

      • Glitch Annotation Server Built

    • Hveto related

      • Checking Hveto result of this week

      • Hveto result on Mar 11th

      • Channel list of QPDs

      • Changed time window on Hveto

    • OpLev glitch in TypeB/Bp suspensions

      • OpLev glitches in the TypeB/Bp suspensions

  • DQR update (Yuzurihara)

    • Script was implemented to wait frame files merge request

    • Review for infra-tool and task is on-going.
    • Software to collect the DQR result from each site to CIT is still under development.
  • Update contents of summary page (Oshino)

    • SummaryPage update

    • Comment to SummaryPage trouble: process was stopped from 3/13 21:00 UTC

    • SummaryPage trouble: process was stopped from 3/13 21:00 UTC

    • SummaryPage trouble: process was stopped from 3/9 3:00 UTC

    • SummaryPage trouble: process was stopped from 3/9 1:00 UTC

    • SummaryPage trouble: process was stopped from 3/8 3:30 UTC

    • SummaryPage trouble: process was stopped from 3/7 18:00 UTC

  • Script to generate segment files (Uchikata, Narikawa)

    • Operation test to generate segment files by new script

20230322 (Wed.)

• cancel due to overlap with JPS meeting

20230315 (Wed.)

• We will skip the meeting due to LVK meeting

20230308 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

  • KAGRA commissioning reports (Yokozawa) Commissioning230308

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
    • Hveto related
    • Proposal of Web App for KAGRA Data Diagnostic (Nakamura)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes

  • KAGRA commissioning reports (Yokozawa) Commissioning230308

    • Computation of expected improvement of inspiral range by reduction of line noise / bump

  • Commissioning support
    • Pastavi update (Yuzurihara)

      • Manual for beginner : how to create noise budget by Pastavi

      • Comment to Noise budget mode is available on Pastavi

      • Comment to Noise budget mode is available on Pastavi

      • Comment to Noise budget mode is available on Pastavi

      • Pastavi update: Updated the table for xml files

    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
      • Plan to apply Hveto to silent run data
    • Hveto related

      • Result of Hveto

      • Checking channel list of Omicron and Hveto

      • where can we find the latest channel list? ==> channel list

      • channel names are different from O3GK. PEM sensors were added. The list is still under the update.
    • Proposal of Web App for KAGRA Data Diagnostic (Nakamura)
  • Update contents of summary page (Oshino)

    • SummaryPage trouble: process was stopped from 3/5 11:45 UTC

    • Update Online DQ vector plot on SummaryPage

      • One bit was added in DQ flag web

      • we need to update wiki page

    • SummaryPage trouble: process was stopped from 3/1 21:30 UTC

    • SummaryPage trouble: process was stopped from 2/27 2:00 UTC

    • Modified guadian state on SummaryPage

  • Combine DET computer resources into one DET cluster at Kamioka site

    • New DET cluster

    • Installed new DET cluster on the Kamioka site. HTCondor is available.
  • Script to generate segment files (Uchikata, Narikawa)

    • Upload modified code to the github

20230301 (Wed.)

• we will skip the meeting

20230222 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Yuzurihara will present the status of KAGRA detchar abstract

    • KAGRA Authorship 2023 Research effort submission
      • see [kagra 05598]
      • deadline : February 22 (Wed.) 17:00 (JST)

    • Release of LIGO's auxiliary data from O3 is now public web

  • KAGRA commissioning reports (Yokozawa) Commissioning230222

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
    • Proposal of Web App for KAGRA Data Diagnostic (Nakamura)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)

      • poster for ICRR internal conference

      • Question : do you include the effect of multiple comparison? ==> not yet

    • Pastavi update (Yuzurihara)

      • Pastavi update: Updated the table for xml files

      • Noise budget mode is available on Pastavi

    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)

      • Can we apply the hveto to silent run data on m31? ==> yes

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
    • New served for k1det1 was installed. It is working for running Bruco.

    • The latest result of Bruco is available web

  • DQR update (Yuzurihara)
    • The review is on-going. The package to transfer the DQR result is available, we need to test it at KAGRA site.
  • Update contents of summary page (Oshino)

    • SummaryPage trouble: rerun process was stopped

    • Modified plot range of trans IR QPD on SummaryPage

    • SummaryPage trouble: process was stopped from 2/20 19:00 UTC

    • Modified guadian state on SummaryPage

    • SummaryPage trouble: process was stopped from 2/17 1:30 UTC

  • Script to generate segment files (Uchikata, Narikawa)

    • Changes of setting of crontab at M31

    • slide (Uchikata)

    • operation test on m31 was done. From comparison, confirmed the script is running well. Next step is to upload the script to github.
  • others
    • we will skip meeting next week

20230215 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • ICRC2023 : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

    • Collecting budget plan for FY2023.

      • mainly for maintenance and repair, slight R&D/preparation for upgrade for O5 and so on.

      • We asked the budget plan for purchase of UPSs and new servers
    • KAGRA Authorship 2023 Research effort submission
      • see [kagra 05598]
      • deadline : February 20 (Mon) 17:00 (JST)

  • KAGRA commissioning reports (Yokozawa) Commissioning230215

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
    • Proposal of Web App for KAGRA Data Diagnostic (Nakamura)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Announcement
    • KAGRA Authorship 2023 Research effort submission
      • see [kagra 05598]
      • deadline : February 20 (Mon) 17:00 (JST)
  • Commissioning support
    • Pastavi update (Yuzurihara)

      • Noise budget mode is available on Pastavi

    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
      • Favor to analyze the recent KAGRA data (silent run). But, there is an issue around the data transfer. We will talk after the meeting.
    • Proposal of Web App for KAGRA Data Diagnostic (Nakamura)

      • slide

      • Questions
        • what is the difference from summary page? benefit?
        • can we use jupyter hub?
        • how do you manage authentification?
  • Update contents of summary page (Oshino)

    • Restart live guardian process

    • Update rerun process for summary page

    • Comment to Omicron process has been stopped

    • Modified SummaryPage configuration file

    • Omicron process has been stopped

    • Add wind speed and direction plots to SummaryPage

    • Modified LSC_LOCK guardian plot on SummaryPage

    • Modified VIS guardian plot

  • Combine DET computer resources into one DET cluster at Kamioka site
    • asking how to construct the condor cluster to NAOJ engineer
  • Script to generate segment files (Uchikata, Narikawa)
    • test on m31 is on-going. In several day, we will compare the results.
    • (YamaT) no reason to select 15 min. In future, frequency might be reduced.

20230208 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • ICRC2023 : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

    • New main data storage server @ Kashiwa (called system-B) manual

      • Mail from Kanda-san : system-A will work about one more year.
    • Collecting budget plan for FY2023.

      • mainly for maintenance and repair, slight R&D/preparation for upgrade for O5 and so on. Is there any request?

  • KAGRA commissioning reports (Yokozawa) Commissioning230208

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Commissioning support
    • New server arrived at KAGRA site. This will be server dedicated for Bruco (k1det2)
    • Investigation of silent run

      • Modification of LSC LOCK Guardian : shorten the iteration to find IR resonance

    • Tool to evaluate Gaussianity (Yamamura)
      • Preparation of the poster for ICRR internal conference.
  • Update contents of summary page (Oshino)

    • Add high pass filter to the strain channel on SummaryPage

    • Modified LSC_LOCK guardian on SummaryPage

  • Script to generate segment files (Uchikata, Narikawa)
    • Test by crontab is on-going at m31. Checking the consistency between summary page and the generated segment files.

20230201 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • New main data storage server @ Kashiwa (called system-B) manual

      • Yuzurihara will copy the files and directories on detchar account to system-B
      • Mail from Kanda-san : system-A will work about one more year.

    • LIGO-Virgo-KAGRA Town Hall Telecon, Thursday, 26 Jan 2023 wiki

  • KAGRA commissioning reports (Yokozawa) Commissioning230201

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Commissioning support
    • Investigation of silent run

      • Summary of silent run during 2022/12/28~2023/01/03

      • lock recover time : O3GK 12 min ==> 2023/1 3.5 min (3.4 times faster)

    • Pastavi update (Yuzurihara)

      • Pastavi update : added favorite comb of channels

      • Noise budget mode is available on Pastavi

    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

    • Production of cache(ffl) file for second/minute trend data

  • Script to generate segment files (Uchikata, Narikawa)
    • test by crontab is on-going. Some issues remain.

20230125 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • New main data storage server @ Kashiwa (called system-B) manual

      • Solved issue to login detchar account
      • We need to move the working place from m31 to system-B. who copy the files?

  • KAGRA commissioning reports (Yokozawa) Commissioning230125

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Commissioning support
    • Investigation of silent run

      • Summary of silent run during 2022/12/28~2023/01/03

      • slide (Yamamura)

      • Glitch check for the IMC REFL accelerometer at the IMC lock loss

    • Tool to evaluate Gaussianity (Yamamura)

      • Development of a tool to evaluate

    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
      • Now analyzing the O3GK data to tune the parameters. After that, can analyze the current KAGRA data.
  • Update contents of summary page (Oshino)

    • Restart live Omicron process

    • Modified plotting range

  • Script to generate segment files (Uchikata, Narikawa)
    • Implementations almost finished. Operation test by crontab is on-going.

20230118 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

  • KAGRA commissioning reports (Yokozawa) Commissioning230118

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Pastavi update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
  • Investigation of silent run (Yamamura, Yuzurihara)
• Minutes

  • KAGRA commissioning reports (Yokozawa) Commissioning230118

    • Repair for OMC is planed in the end of Jan.
  • Update contents of summary page (Oshino)

    • Remove several channels from SummaryPage

    • SummaryPage trouble: process was stopped from 1/12 12:00 UTC

    • Add voltmeter page to SummaryPage

    • Modified plots of temperature sensor channels

  • Script to generate segment files (Uchikata, Narikawa)
    • Almost finished update of script.
    • There two kinds of scripts. In future, they will be merged.
  • Investigation of silent run (Yamamura, Yuzurihara)

    • Summary of silent run during 2022/12/28~2023/01/03

    • script is re-usable for next silent run / weekend run. upload on gitlab.

    • Presentation slide (Yamamura)

20230111 (Wed.)

• Agenda
  • Announcement
    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA

    • JPS meeting : 22 to 25 March 2023 @ Online style web

  • KAGRA commissioning reports (Yokozawa) Commissioning230111

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Pastavi update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
  • Investigation of silent run (Yamamura, Yuzurihara)
• Minutes
  • KAGRA commissioning reports (Yokozawa)
    • this week, PRFPMI trial is on-going.
    • During end-year and new-year, we had silent run. The summarization is on-going.
  • Pastavi update (Yuzurihara)

    • Noise budget mode is available on Pastavi

  • Update contents of summary page (Oshino)

    • SummaryPage trouble: process was stopped from 12/5 16:00 UTC

    • SummaryPage trouble: process was stopped from 1/5 20:00 UTC

    • Bug fix of Hveto script

    • Modify All guardian node page

  • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
    • analysis with 500~1000 images of spectrogram is on-going
    • unsupervised analysis didn't work well
    • LIGO's data set is always supervised one
  • Script to generate segment files (Uchikata, Narikawa)

    • error at m31 was fixed by using StateTimeSeries

    • Improvement of usability
      • added option to select the working machine
      • added option to select output directory
  • Investigation of silent run (Yamamura, Yuzurihara)

    • Summary of silent run during 2022/12/28~2023/01/03

    • script is re-usable for next silent run / weekend run. upload on gitlab.

Past meeting

• 2022

• 2021

• 2020

• 2019