Openstack uses devstack to install. After installation, the dashboard reports an internal server error

  I set up two virtual machines locally , utilize devstack One key deployment openstack, One as the control node , The other is the computing node , The installation process is also quite tortuous , In short, I read the newspaper wrong , Try more , Mostly because of the speed of the Internet , You can switch to the domestic image source , And then it's all about trying , Every time ./stack.sh You'd better clean it up and use it before ./unstack.sh, The success rate will be higher .

    I installed rockey, During installation, you will be prompted python The version is not suitable , I'll take the original 2.7 Version switch to 3.6 edition , After the successful installation , But there will be an error report , The error page is like this

    adopt sudo vim /var/log/apache2/horizon_error.log, see apache2 The error log found for is python module The error report cannot be found, resulting in 500, But I found many ways on the Internet , The general treatment is to add configuration to solve , stay /etc/apache2/sites-available/horizon.conf Add... To the configuration file  WSGIApplicationGroup %{GLOBAL}, But after checking, I found that it was not caused by this problem , Then it got stuck .

    Then try to configure it manually horizon, Attach official website link

Manual configuration

utilize openstack-dashboard install

    After manual configuration, an error will also be reported , Finally, I found it by chance WSGI script cannot be loaded as Python module The solution

  Attach a link  https://stackoverflow.com/questions/6454564/target-wsgi-script-cannot-be-loaded-as-python-module

        The solution is to uninstall python2 The components of , install python3 Of wsgi Components , Finally solve the error report , Record here

sudo apt-get remove libapache2-mod-python libapache2-mod-wsgi
sudo apt-get install libapache2-mod-wsgi-py3