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Re install Open edX in Ubuntu 12.04
Officially, you should only run the Ubuntu bootstrap script on a freshly installed Ubuntu server, because it will potentially destroy the server It is run on. Actually, you can do a re-installation of the Open edX stack on the same server with an extra effort. There will be a couple of issues you need to solve in order to move forward. Here are some of them:
TASK: [edxlocal | create a database for edxapp] *******************************
failed: [localhost] => {"failed": true, "item": ""}
msg: unable to connect, check login_user and login_password are correct, or alternatively check ~/.my.cnf contains credentials
This means that your server has already been installed mysql server and have a different login privilege from the default. => To fix this error, create the /root/.my.cnf file with the following content:
[client]
user=root
password=<your root pass>
[mysql]
user=root
password=<your root pass>
[mysqldump]
user=root
password=<your root pass>
[mysqldiff]
user=root
password=<your root pass>
=> remove/comment out the demo role from /var/tmp/configuration/playbooks/edx_sandbox.yml (because you don't need this course)
=> re-run the installation script:
# sudo ansible-playbook -c local ./edx_sandbox.yml -i "localhost," --limit @/root/edx_sandbox.retry
=> source to the xqueue virtualenv:
# source /edx/app/xqueue/venvs/xqueue/bin/activate
=> Install the post-requirements:
(xqueue)# pip install -r /edx/app/xqueue/xqueue/requirements.txt
=> Restart xqueue:
# /edx/bin/supervisorctl restart xqueue xqueue_consumer
=> remove/comment out this step from xqueue's /var/tmp/configuration/playbooks/roles/xqueue/tasks/deploy.yml
=> re-run the installation script:
# sudo ansible-playbook -c local ./edx_sandbox.yml -i "localhost," --limit @/root/edx_sandbox.retry
So, to be concluded, if you get any error when re-installing the Open edX stack, just read the error messages carefully and then check out the Ansible playbooks for that specific portion (roles), you will find out the solution to fix that issue.