# put site in operation mode<code>drush vset maintenance_mode 0</code>
# toast
The even shorter version is to use [[drush]] <code>civivcrm-upgrade</code> does all the above for you.
== Debugging ==
There are many tools you can use to debug your CiviCRM instance.
One of these is the <code>cv</code> tool [https://github.com/civicrm/cv available on Github].<pre>cv version v0. 1.27 Usage: command [options] [arguments] Options: -h, --help Display this help message -q, --quiet Do not output any message -V, --version Display this application version --ansi Force ANSI output --no-ansi Disable ANSI output -n, --no-interaction Do not ask any interactive question -v|vv|vvv, --verbose Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug Available commands: api Call an API cli Load interactive command line dis Disable an extension dl Download and enable an extension en Enable an extension ev Evaluate a snippet of PHP code flush Flush system caches help Displays help for a command list Lists commands path Look up the path to a file or directory scr Execute a PHP script url Compose a URL to a CiviCRM page ang ang:html:list List Angular HTML files ang:html:show Show an Angular HTML file ang:module:list List Angular modules api api:batch Call an API (batch mode) debug debug:container Dump the container configuration debug:event-dispatcher Dump the list of event listeners ext ext:disable Disable an extension ext:download Download and enable an extension ext:enable Enable an extension ext:list List extensions ext:uninstall Uninstall an extension and purge its data ext:upgrade-db Apply DB upgrades for any extensions php php:boot Generate PHP bootstrap code php:eval Evaluate a snippet of PHP code php:script Execute a PHP script vars vars:fill Generate a configuration file for any missing site data vars:show Show the configuration of the local CiviCRM installation</pre> Also, don't forget to use [[Drush]] if you're on [[Drupal]]; the CiviCRM API; and the ConfigAndLog directory log. The ConfigAndLog directory is in a path like <code>./sites/default/files/civicrm/ConfigAndLog</code>
== Profiles ==