update set up

setup.md

@@ -1,7 +1,62 @@
 ---
 title: Setup
 ---
-FIXME
 
+## Setup the work area
+Set up the CMSSW environment and clone the repository from github for the trigger exercise:
+
+~~~    
+source /cvmfs/cms.cern.ch/cmsset_default.csh
+setenv SCRAM_ARCH slc7_amd64_gcc700
+cd nobackup/
+cmsrel CMSSW_10_6_31_patch1
+cd CMSSW_10_6_31_patch1/src
+cmsenv
+git clone -b 2024 https://github.com/kakwok/LPCTriggerHATS.git
+scram b -j 4
+~~~
+{: .language-bash}
+
+## Jupyter noteboooks
+
+If you want to use Jupyter notebooks on cmslpc, please review the content of your `~/.ssh/config` file on your system by executing:
+~~~
+    cat ~/.ssh/config
+~~~
+{: .source}
+
+In case the file does already contain the following lines, add:
+~~~
+    Host cmslpc*.fnal.gov
+        StrictHostKeyChecking no
+        UserKnownHostsFile /dev/null
+~~~
+{: .source}
+
+When you log into cmslpc, add a `-L` option to your ssh command:
+###
+    ssh -L localhost:8888:localhost:8888 <YOUR USERNAME>@cmslpc-el9.fnal.gov
+~~~
+{: .source}
+
+Then you can make your area as detailed above and start Jupyter with this command:
+~~~
+    jupyter notebook --no-browser --port=8888 --ip 127.0.0.1
+~~~
+{: .source}
+
+After a pause (while cmslpc loads the necessary libraries for the first time) you should see a message like the following:
+~~~
+    [I 08:22:45.871 NotebookApp] Serving notebooks from local directory: /uscms_data/d2/pivarski/CMSSW_9_0_0_pre6/src
+    [I 08:22:45.871 NotebookApp] 0 active kernels 
+    [I 08:22:45.871 NotebookApp] The Jupyter Notebook is running at: http://localhost:8888/?token=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+    [I 08:22:45.871 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
+    [C 08:22:45.873 NotebookApp] 
+        
+        Copy/paste this URL into your browser when you connect for the first time,
+        to login with a token:
+            http://localhost:8888/?token=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+~~~
+{: .source}
 
 {% include links.md %}