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Tips for site builders and administrators

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Sydney JUG April 2017

Publié dans : Technologie
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Tips for site builders and administrators

  1. 1. Tips for Site Builders and Administrators Tim Plummer 11th April 2017
  2. 2. 1
  3. 3. How to upgrade to PHP7 • Firstly, what PHP version do you currently have? • System->System Information
  4. 4. Why not stick with older PHP? • PHP 5.5 or lower is past end of life
  5. 5. Why PHP7? • Simply changing the PHP version to 7 can make your Joomla site run up to 50% faster • Supported since Joomla 3.5
  6. 6. How to upgrade to PHP7 • Many web hosts allow you to select PHP version in Cpanel • If multiple sites in hosting account, you can set PHP version for each
  7. 7. How to upgrade to PHP7 • Select PHP version and press save • Now check your site to make sure nothing breaks (ideally do all this on a staging copy not live)
  8. 8. How to upgrade to PHP7 • If something breaks, you can revert back to previous PHP version until you fix issue (such as upgrading third party extension) • If you see depreciated notices or warnings, you can reduce your error reporting in global config to none.
  9. 9. How to upgrade to PHP7 • In your system info you will see updated PHP version
  10. 10. 2
  11. 11. Why turn on SSL? • If you don’t use SSL, visitors to your site may get warnings in their browser • Google loves SSL, so enabling it could improve SEO • Important for sites processing payment transactions
  12. 12. How to turn on SSL • First you need to install SSL certificate • Let’s Encrypt offer free SSL certificates • Some web hosts such as Siteground make this easy via their Cpanel Use this affiliate link if you sign up with Siteground so Tim gets $50 https://www.siteground.com/index.htm?afcode=6a5c9c06a90863bcace08276ca55ee25
  13. 13. Installing SSL certificate • Select domain, enter your email and press install
  14. 14. Edit your configuration.php file public $live_site = ''; //change to public $live_site = ‘https://www.yourdomain.com.au';
  15. 15. Edit .htaccess • To redirect all HTTP requests to HTTPS. • Add this code to bottom of file RewriteEngine On RewriteCond %{HTTPS} OFF RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}
  16. 16. Global Config • Force HTTPS for entire site
  17. 17. How to turn on SSL • Site should now be HTTPS
  18. 18. 3
  19. 19. A quick lesson in CSS
  20. 20. How to debug CSS issues • Browsers have built in tools • Right click->inspect element
  21. 21. How to debug CSS issues • You can see what CSS applies to that element
  22. 22. How to debug CSS issues • You can add CSS on the fly to see what it will look like • Changes only temporary for browser session
  23. 23. 4
  24. 24. Set error reporting to NONE • For production site, error reporting should be set to none
  25. 25. 5
  26. 26. Always have an offsite backup • I use Akeeba Backup, with automated daily backup going to Amazon S3
  27. 27. 6
  28. 28. Hide your admin URL • Prevents people from brute force guessing your password • Akeeba Admin Tools Professional
  29. 29. Hide your admin URL
  30. 30. Hide your admin URL • Now to access backend you need to add parameter www.yourwebsite.com.au/administrator/?sydneyjug • If you try admin URL without parameter, it will redirect you to front end
  31. 31. Hide your admin URL • You can also automatically block repeat offenders
  32. 32. 7
  33. 33. Debug Javascript • Firefox, tools->web developer->browser console • Make sure show errors is turned on • One JS error can cause all subsequent JS code not to execute
  34. 34. Tim Plummer www.timplummer.com.au @bfsurvey

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