The LN computer lives in the GRETINA net and since December 2015 it is accessible from NSCL network

• login on gateway machine nsclgw1.nscl.msu.edu
• login as ln on gretina-gln1.nscl.msu.edu (35.8.35.167)
• Remember: “liquid nitrogen two for gretina”
• from a1/a2: ln@gln1

They are found in ~/scripts. The main LN program (gln_master) is a job run by root and not directly accessible by the user. Interactions happen via scripts. Most interesting is run-gln-ui.sh, the User Interface.

• run-gln-ui.sh: User Interface, 'help' gives option
• run-send-alarm.sh: Add your email here for receiving alarms
• run-log.sh: Add your email here for receiving logs
• run-log2.sh: Add your email here for receiving logs after each fill
• run-log3.sh:
• run-send-alarm-wd.sh
• finish_fill.sh: script executed after fill attempt
• run-gln-master.sh
• run-mail-que-view.sh
• run-time-sync.sh
• run-backup.sh
• run-tlog-and-plot.sh
• run-dlog-and-plot.sh
• run-mail-que-flush.sh
• run-view-master.sh: Output of the LN master process

Making long term T plots:

• on gln machine go to ~/other/thistory-dev
• run there ./run-thistory.sh XXX with the last day as input parameter
• results th.pdf and d.pdf are written in ~/plots
• uncomment/comment different templates in script for covering different time ranges

The LN configuration file is found as ~/gln/gln.fig. It is self-explanatory. If this file got updated, use run-gln-ui.sh script and the command “load” in there. Note: After a “load” in the UI all detector fill schedules are gone! You need to do a “ton x y z …” or “fill x y z after h:mm”.

• gf3/temp instructions

• gf3 “file”, y value asked should be 1-6
• sp “file” loads new spectrum
• sp x, ds: display spectrum x (2, 3 are the LN PT100, 1 min per bin)
• dl l r, ds: x-expand [l:r]
• y0 num, ds: y-scale minimum
• ny num, ds: y-scale range
• ct num, ds: spectrum rebinning by num