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--- informatica:hp_xw4400_400sb_topspin31 [2014/02/19 16:45]
miquel [Afegir sermnadmin al grup 'nmrsu']
+++ informatica:hp_xw4400_400sb_topspin31 [2014/06/26 11:52]
miquel [Problemes amb 'cf']
@@ Line 879: / Line 879: @@
 chmod 775 *
 chmod 664 *i
-chown root:root acq_control nmrsim.mod shimcntl xwish3
+chmod u+s xwish3
+chown root:root xwish3
 </code>
@@ Line 894: / Line 895: @@
 root@cie-55-31:/opt/topspin3.1/prog/mod# ls -l | grep root
--rwxrwxr-x 1 root  root   3927964 Feb 18 16:53 acq_control
+-rwsrwxr-x 1 root  root   6913656 Feb 12  2012 xwish3
--rwxrwxr-x 3 root  root   2852204 Feb 12  2012 nmrsim.mod
--rwxrwxr-x 1 root  root   2984972 Feb 18 16:39 shimcntl
--rwxrwxr-x 1 root  root   6913656 Feb 12  2012 xwish3
 </file>
@@ Line 941: / Line 939: @@
   * [[http://149.236.99.91 | Bruker Gradient Amplifier - Device Information]]
   * [[http://149.236.99.20 | BSMS Service Web - Main Menu]]
+====== Problemes amb 'cf' ======
+Cada cop que s'executa la comanda ''cf'', surten en pantalla uns missatges d'avís per indicar que el programa no ha pogut crear uns enllaços (//hardlinks//) necessaris pel funcionament del Topspin i que caldrà crear-los a mà. Per exemple,
+<file>
+hconfserver
+Operation not permitted
+Cannot make link
+link must be done manually with
+  ln /opt/topspin3.1/prog/mod/go4 /opt/topspin3.1/prog/mod/acq_control
+Operation not permitted
+Cannot make link
+link must be done manually with
+  ln /opt/topspin3.1/prog/wobble/pp_birds /opt/topspin3.1/prog/wobble/pulsprog_X
+</file>
+Per resoldre provisionalment el problema,
+  * he escrit un petit //script// amb les comandes a executar per crear els enllaços i copiar un fitxer (''shimcntl'') que de vegades desapareix quan s'executa la comanda ''cf''; i
+  * he configurat el sistema perquè l'usuari //sermnuab// pugui executar aquest //script// amb els permisos necessaris.
+Així doncs, després d'executar la comanda 'cf' al Topspin,
+<WRAP center round tip 60%>
+  * obre una finestra per comandes, i
+  * escriu la següent ordre:\\ ''sudo /home/sermnuab/bin/fix_topspin31.sh''
+</WRAP>
+el resultat de la comanda hauria de ser semblant a,
+<file>
+sermnuab@cie-55-31:~$ sudo /home/sermnuab/bin/fix_topspin31.sh
+creating file '/opt/topspin3.1/prog/wobble/pulsprog_X'
+`/opt/topspin3.1/prog/wobble/pulsprog_X' => `/opt/topspin3.1/prog/wobble/pp_birds'
+-rw-rw-r-- 2 nmrsu nmrsu 686 Oct  5  2012 /opt/topspin3.1/prog/wobble/pp_birds
+-rw-rw-r-- 2 nmrsu nmrsu 686 Oct  5  2012 /opt/topspin3.1/prog/wobble/pulsprog_X
+creating file '/opt/topspin3.1/prog/mod/go'
+`/opt/topspin3.1/prog/mod/go' => `/opt/topspin3.1/prog/mod/go4'
+-rwxr-xr-x 2 nmrsu nmrsu 3927964 Oct  5  2012 /opt/topspin3.1/prog/mod/go
+-rwxr-xr-x 2 nmrsu nmrsu 3927964 Oct  5  2012 /opt/topspin3.1/prog/mod/go4
+creating file '/opt/topspin3.1/prog/mod/acq_control'
+`/opt/topspin3.1/prog/mod/acq_control' => `/opt/topspin3.1/prog/mod/go4'
+-rwxr-xr-x 3 nmrsu nmrsu 3927964 Oct  5  2012 /opt/topspin3.1/prog/mod/acq_control
+-rwxr-xr-x 3 nmrsu nmrsu 3927964 Oct  5  2012 /opt/topspin3.1/prog/mod/go4
+creating file '/opt/topspin3.1/prog/mod/shimcntl'
+`/home/sermnuab/bin/shimcntl' -> `/opt/topspin3.1/prog/mod/shimcntl'
+-rwxr-xr-x 1 nmrsu nmrsu 2988748 Jun 26 11:46 /opt/topspin3.1/prog/mod/shimcntl
+</file>
+Pels més curiosos, aquest és el contingut del script,
+<code>
+#!/bin/sh
+#******************************************************************
+#
+# Copyright (c) 2014
+# SeRMN, Universitat Autonoma de Barcelona
+#
+#******************************************************************
+#		DESCRIPTION
+#
+# When TopSpin 3.x runs on a Debian GNU/Linux, the 'cf' command
+# fails to create several hard links needed to run the software,
+# and to (re)create the program 'shimcntl'.
+#
+# To fix this problem,
+# 1. run 'cf' and ignore all warnings and errors about not
+#    being able to create hardlinks.
+# 2. run this script. It requires root permissions to create, hence,
+#     this script upon running the 'cf' command.
+#
+#******************************************************************
+echo ""
+# link pulsprog_X to pp_birds
+echo "creating file '/opt/topspin3.1/prog/wobble/pulsprog_X'"
+ln -fv /opt/topspin3.1/prog/wobble/pp_birds /opt/topspin3.1/prog/wobble/pulsprog_X
+ls -li /opt/topspin3.1/prog/wobble/pp_birds /opt/topspin3.1/prog/wobble/pulsprog_X
+echo ""
+# link go to go4
+echo "creating file '/opt/topspin3.1/prog/mod/go'"
+ln -fv /opt/topspin3.1/prog/mod/go4 /opt/topspin3.1/prog/mod/go
+ls -li /opt/topspin3.1/prog/mod/go /opt/topspin3.1/prog/mod/go4
+echo ""
+# link acq_control to go4
+#
+# NOTE: apparently, this link is only required on the AvanceIII-600.
+# Remove or comment out these lines on the AvanceIII-400sb.
+#
+echo "creating file '/opt/topspin3.1/prog/mod/acq_control'"
+ln -fv /opt/topspin3.1/prog/mod/go4 /opt/topspin3.1/prog/mod/acq_control
+ls -li /opt/topspin3.1/prog/mod/go4  /opt/topspin3.1/prog/mod/acq_control
+echo ""
+# copy shimcntl to /opt/topspin3.1/prog/mod/
+echo "creating file '/opt/topspin3.1/prog/mod/shimcntl'"
+cp -fv /home/sermnuab/bin/shimcntl /opt/topspin3.1/prog/mod/
+chown nmrsu:nmrsu /opt/topspin3.1/prog/mod/shimcntl
+chmod 755 /opt/topspin3.1/prog/mod/shimcntl
+ls -li /opt/topspin3.1/prog/mod/shimcntl
+echo ""
+</code>
+i aquesta la línia on es configura el programa ''sudo'' perquè //sermnuab// pugui executar aquest //script// amb permisos de superusuari (o //root//).
+<file>
+# Allow sermnuab to fix some problems related to running Topspin 'cf' command.
+sermnuab  ALL=(root) NOPASSWD: /home/sermnuab/bin/fix_topspin31.sh
+</file>

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