EXPONENTIAL TRAINING LAB                                   run in the installation root, not as root

CHECK THE MACHINE
  php -v ; php -m                        PHP 8.0+ (Velocity included); intl, xsl, sqlite3, mbstring ...
  composer --version ; git --version

GET THE CODE (a fixed release)
  git tag -l 'v6.*' --sort=version:refname | tail -3
  composer create-project se7enxweb/exponential:<tag> <dir>          editor and admin courses
  git clone https://github.com/se7enxweb/exponential.git <dir>        developer courses
    git switch -c training <tag> ; composer install

INSTALL (SQLite, one command)
  php bin/php/console exp:install --print   --url=http://127.0.0.1:8087
  php bin/php/console exp:install --dry-run --url=http://127.0.0.1:8087
  php bin/php/console exp:install --apply           --url=http://127.0.0.1:8087 [--package=sevenx_multisite_clean]
  cat var/log/initial-admin-password        then sign in, change it, and: rm var/log/initial-admin-password

SERVE
  php bin/php/console exp:velocity start | status | stop
  php bin/php/console exp:velocity config set --apply PHPServerSettings Port 8091     a second site on one machine

WHEN SOMETHING BREAKS
  tail -n 50 var/log/error.log           the reference ERR-... of an error page is in here
  php bin/php/maintenance.php status | off
  php bin/php/ezcache.php --clear-tag=template | --clear-tag=ini | --clear-all
  php bin/php/resetuserpassword.php -u admin -g --allow-root-user            (as root)

RESET FOR THE NEXT GROUP
  exp:velocity stop ; cp -a <golden>/storage/. var/storage/ ; php bin/php/ezcache.php --clear-all
  or: pwd (check!) ; exp:install --dry-run ... ; exp:install --force ...

AFTER THE COURSE
  stop servers; remove learner accounts on shared sites; delete lab directories you created