Magento 2: Command Line Interface Reference

MAGENTO 2 – COMMAND LINE INTERFACE

M2 utilises CLI (command line interface) commands heavily from using composer to install modules and keep things updated to clearing the cache, switching in and out of production mode and that sort of thing.  This is very new for a Magento 1 developer like myself so it is time to start documenting all of this. Here is a list of the all the standard bin/magento commands, plus a few extra bits and pieces that have proved useful.

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Centos: Making sure your web services auto start after reboot

Your server had to restart, either by design or after some bad event, and now your website doesn’t work – “connection failure”.  Looks like your important web services are not set to start automatically on boot up.  Here is what to do to get your httpd and mysqld services running on restart.

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Mysql: Change the full text index minimum word length

So you are trying to do a fulltext search but your searches for “cat” or “dog” always return zero results, even though you have articles all about cats and dogs. By default the minimum search text length for full index searches is 4 characters, anything less than that returns nothing, zip, nada, jack-all.  You need to change the minimum word length.

This can throw people using something like Magento whose product types or names are short, such as “bag”,”cup”, or “mug”.  The problem isn’t actually in Magento but a server setting. You might be kind of stuck if you are using a shared hosting environment – you can contact your hosting service and ask nicely.

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Centos: Create new SSL certificate for https

  1. Generate a new certificate signing request (.csr) and key file (.key)

    openssl req -new -newkey rsa:2048 -nodes -keyout server.key -out server.csr

    where server is the name of your server

  2. Fill in the details but you can leave email, challenge password and optional company name blank. Please note: The following characters cannot be accepted: < > ~ ! @ # $ % ^ / \ ( ) ?.,&
  3. Chek the contents of the csr:  https://www.sslshopper.com/csr-decoder.html  or enter this in the SSH console:

    openssl req -in server.csr -noout -text

    (again where server.csr is the name of the newly genererated csr file)

  4. Submit csr to commercial ssl provider.
  5. Copy the new certificate information into the correct location for the host.  You may need to look at the virtual host settings or apache config file to see where an existing one is. * See below
  6. Do the same for the intermediate certificate file if there is one.
  7. Move (or copy) the key
  8. Change the apache (or virtual host) config file to point at the new certificates.
  9. Restart the webserver.  For Debian this is “service apache2 restart”.  For Centos this would be “service httpd restart” or “systemctl restart httpd” for newer Centos versions.
  10. Make sure the server restarts – any typos in the config will stop it from running – you will be notified.

Additional resources:

Country Codes: https://www.digicert.com/ssl-certificate-country-codes.htm

https://www.digicert.com/csr-creation-apache.htm

https://www.digicert.com/ssl-certificate-installation-apache.htm

https://access.redhat.com/solutions/43575

Check they are working correctly: https://www.sslshopper.com/ssl-checker.html

Centos: Checking and Renaming the Server Hostname

A quicky this, for personal reference more than anything else.

Checking the Hostname
From within the console, run hostname to check the current hostname.

Changing the Hostname
To change the hostname run

hostname  mynewhostname.com

check it has happened with hostname and then restart the network

systemctl restart network

(or simply network restart on older centos versions)

Applying Magento SUPEE Patches on a Windows environment

Ok, for reasons of general simplicity and familiarity I like to develop my php applications in a Windows environment using WAMP.  However, this can be problematic when needing to apply SUPEE patches to development instances of Magento projects.

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