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--- user_guide:howto:jupyter [2021/06/03 18:19] – [jupyter] dokuwiki vs markdown confusion lkastner
+++ user_guide:howto:jupyter [2021/06/04 13:15] – [jupyter] Mention symlink issue on ubuntu lkastner
@@ Line 15: / Line 15: @@
 polymake-config --version
 </code>
-in a terminal. For example for Ubuntu it is not enough to have the `polymake` package installed, you will also need ''libpolymake-dev''.
+in a terminal. For example for Ubuntu it is not enough to have the ''polymake'' package installed, you will also need ''libpolymake-dev''.
 ===== Setup =====
@@ Line 62: / Line 62: @@
 ===== Troubleshooting =====
+If the polymake kernel does not start for you, look at the output of jupyter in the terminal and search for any error messages.
+==== JuPyMake.PolymakeError: polymake::Main - /usr/lib/polymake/shared is not a symlink ====
+This error sometimes appears with polymake installed by the package manager. It can be fixed by manually setting the symlink
+<code>
+cd /usr/lib/polymake
+sudo ln -s ../../share/polymake shared
+</code>
 ==== polymake configuration ====