<font size=2 face="sans-serif">hi Sridhar,</font><br><br><font size=2 face="sans-serif">Thanks for the advice but it does not
work :-( I still have the infamous '</font><font size=2 face="Courier New">undefined
symbol: zmq_strerror;</font><font size=2 face="sans-serif">' message</font><br><br><font size=2 face="Courier New">[root@rhel72hdp26sn ~]# python2 -m
pip install ipykernel</font><br><font size=2 face="Courier New">Requirement already satisfied: ipykernel
in /usr/lib/python2.7/site-packages</font><br><font size=2 face="Courier New">Requirement already satisfied: traitlets>=4.1.0
in /usr/lib/python2.7/site-packages (from ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: ipython>=4.0.0
in /usr/lib/python2.7/site-packages (from ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: jupyter-client
in /usr/lib/python2.7/site-packages (from ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: tornado>=4.0
in /usr/lib64/python2.7/site-packages (from ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: six
in /usr/lib/python2.7/site-packages (from traitlets>=4.1.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: enum34;
python_version == "2.7" in /usr/lib/python2.7/site-packages (from
traitlets>=4.1.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: ipython-genutils
in /usr/lib/python2.7/site-packages (from traitlets>=4.1.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: decorator
in /usr/lib/python2.7/site-packages (from traitlets>=4.1.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: pygments
in /usr/lib64/python2.7/site-packages (from ipython>=4.0.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: prompt-toolkit<2.0.0,>=1.0.4
in /usr/lib/python2.7/site-packages (from ipython>=4.0.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: setuptools>=18.5
in /usr/lib/python2.7/site-packages (from ipython>=4.0.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: simplegeneric>0.8
in /usr/lib/python2.7/site-packages (from ipython>=4.0.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: pickleshare
in /usr/lib/python2.7/site-packages (from ipython>=4.0.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: pexpect;
sys_platform != "win32" in /usr/lib/python2.7/site-packages (from
ipython>=4.0.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: pathlib2;
python_version == "2.7" or python_version == "3.3"
in /usr/lib/python2.7/site-packages (from ipython>=4.0.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: backports.shutil-get-terminal-size;
python_version == "2.7" in /usr/lib/python2.7/site-packages (from
ipython>=4.0.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: pyzmq>=13
in /usr/lib64/python2.7/site-packages (from jupyter-client->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: python-dateutil>=2.1
in /usr/lib/python2.7/site-packages (from jupyter-client->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: jupyter-core
in /usr/lib/python2.7/site-packages (from jupyter-client->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: backports.ssl_match_hostname
in /usr/lib/python2.7/site-packages (from tornado>=4.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: singledispatch
in /usr/lib/python2.7/site-packages (from tornado>=4.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: certifi
in /usr/lib/python2.7/site-packages (from tornado>=4.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: backports_abc>=0.4
in /usr/lib/python2.7/site-packages (from tornado>=4.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: wcwidth
in /usr/lib/python2.7/site-packages (from prompt-toolkit<2.0.0,>=1.0.4->ipython>=4.0.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: ptyprocess>=0.5
in /usr/lib/python2.7/site-packages (from pexpect; sys_platform != "win32"->ipython>=4.0.0->ipykernel)</font><br><font size=2 face="Courier New">Requirement already satisfied: scandir;
python_version < "3.5" in /usr/lib64/python2.7/site-packages
(from pathlib2; python_version == "2.7" or python_version ==
"3.3"->ipython>=4.0.0->ipykernel)</font><br><br><br><font size=2 face="Courier New">[root@rhel72hdp26sn ~]# python2 -m
ipykernel install --user</font><br><font size=2 face="Courier New">/usr/bin/python2: /usr/lib64/python2.7/site-packages/zmq/backend/cython/error.so:
undefined symbol: zmq_strerror; 'ipykernel' is a package and cannot be
directly executed</font><br><font size=2 face="sans-serif"><br><br>Regards,<br>Franck Barillaud<br>STSM, CTO ISV Power Cloud Infrastructure<br>Master Inventor<br>Ext Phone: (512) 286-5242 Tie Line: 363-5242<br>e-mail: fbarilla@us.ibm.com<br></font><br><br><br><br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">Sridhar Satyanarayan/Schaumburg/IBM</font><br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">"Franck Barillaud"
<fbarilla@us.ibm.com></font><br><font size=1 color=#5f5f5f face="sans-serif">Cc:
</font><font size=1 face="sans-serif">linuxppc-users@lists.ozlabs.org</font><br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">06/23/2017 08:26 AM</font><br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">Re: [Linuxppc-users]
Jupyter Notebook on RHEL 7.2</font><br><hr noshade><br><br><font size=2 face="sans-serif">I have seen similar problem when loading
modules under Python2.7 if Python 3 is also installed. This is what I did
</font><br><br><br><font size=2 face="sans-serif">python2 -m pip install ipykernel</font><br><font size=2 face="sans-serif">python2 -m ipykernel install --user</font><br><br><br><font size=2 face="sans-serif">point PYTHONPATH to appropriate location</font><br><font size=2 face="sans-serif">restart jupyter, After which I was able
to run notebook without any issues</font><br><font size=2 face="sans-serif"><br><br>Thanks & Regards<br><br></font><font size=2 face="Default Sans Sarif">Sridhar Satyanarayan</font><br><font size=2 color=blue face="Default Sans Sarif">Certified Expert
IT Consultant</font><br><font size=2 face="Default Sans Sarif">Lab Services Power Systems Delivery
Practice</font><br><font size=2 face="Default Sans Sarif">IBM Systems & Technology
Group</font><br><font size=2 face="Default Sans Sarif">Phone: +1-720-342-5346
</font><br><font size=2 face="Default Sans Sarif">Mobile: +1-720-340-0173
</font><br><font size=2 face="Default Sans Sarif">e-mail: sridhars@us.ibm.com</font><font size=2 face="sans-serif"><br></font><br><br><br><br><br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">"Franck Barillaud"
<fbarilla@us.ibm.com></font><br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">linuxppc-users@lists.ozlabs.org</font><br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">06/22/2017 06:06 PM</font><br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">[Linuxppc-users]
Jupyter Notebook on RHEL 7.2</font><br><font size=1 color=#5f5f5f face="sans-serif">Sent by:
</font><font size=1 face="sans-serif">"Linuxppc-users"
<linuxppc-users-bounces+sridhars=us.ibm.com@lists.ozlabs.org></font><br><hr noshade><br><br><br><font size=2 face="sans-serif">System: Virtual Machine running RHEL
7.2 on Ubuntu 16.04 KVM on Firestone.</font><font size=3><br></font><font size=2 face="sans-serif"><br>Starting jupyter leads to the following error:</font><font size=3><br></font><font size=2 face="Courier New"><br>[root@rhel72hdp26sn frb]# jupyter notebook --allow-root<br>Traceback (most recent call last):<br> File "/usr/bin/jupyter-notebook", line 7, in <module><br> from notebook.notebookapp import main<br> File "/usr/lib/python2.7/site-packages/notebook/notebookapp.py",
line 39, in <module><br> from zmq.eventloop import ioloop<br> File "/usr/lib64/python2.7/site-packages/zmq/__init__.py",
line 34, in <module><br> from zmq import backend<br> File "/usr/lib64/python2.7/site-packages/zmq/backend/__init__.py",
line 40, in <module><br> reraise(*exc_info)<br> File "/usr/lib64/python2.7/site-packages/zmq/backend/__init__.py",
line 27, in <module><br> _ns = select_backend(first)<br> File "/usr/lib64/python2.7/site-packages/zmq/backend/select.py",
line 26, in select_backend<br> mod = __import__(name, fromlist=public_api)<br> File "/usr/lib64/python2.7/site-packages/zmq/backend/cython/__init__.py",
line 6, in <module><br> from . import (constants, error, message, context,<br>ImportError: /usr/lib64/python2.7/site-packages/zmq/backend/cython/error.so:
undefined symbol: zmq_strerror</font><font size=3><br></font><font size=2 face="sans-serif"><br>Jupyter installation:</font><font size=3><br></font><font size=2 face="Courier New"><br> wget </font><a href="https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm"><font size=2 color=#000080 face="Courier New"><u>https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm</u></font></a><font size=2 face="Courier New"><br> rpm -ivh epel-release-latest-7.noarch.rpm <br> yum install python-pip</font><p><font size=2 face="Courier New"> pip install
--upgrade pip</font><p><font size=2 face="Courier New"> pip install
jupyter</font><p><font size=2 face="sans-serif"><br>Any idea ?<br><br>Regards,<br>Franck Barillaud<br>STSM, CTO ISV Power Cloud Infrastructure<br>Master Inventor<br>Ext Phone: (512) 286-5242 Tie Line: 363-5242<br>e-mail: fbarilla@us.ibm.com</font><font size=3><br></font><tt><font size=2>_______________________________________________<br>Linuxppc-users mailing list<br>Linuxppc-users@lists.ozlabs.org<br></font></tt><a href="https://lists.ozlabs.org/listinfo/linuxppc-users"><tt><font size=2>https://lists.ozlabs.org/listinfo/linuxppc-users</font></tt></a><tt><font size=2><br></font></tt><p><p><p><BR>