Hollywood WordPress - CLI For WordPress (an Introduction)

Presented by Mike Schroder at the Hollywood WordPress Meetup.

Introductory presentation on using the command line to make life easier for developers and designers alike.

Covers command line basics, followed by an introduction to WP-CLI for those who'd like to dig deeper and manage WordPress directly using the CLI.

Transcript

1. CLI for WordPress
   an introduction
   Hollywood WordPress Meetup
   Mike Schroder (DH-Shredder)
   @GetSource - http://www.getsource.net
   

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2. Who Am I?
   • Mike Schroder, a.k.a DH-Shredder, a.k.a. @GetSource
   • Third Culture Kid, enjoy Coffee & Sailing
   • WordPress Core and wp-cli Contributor
   • Happy DreamHost Employee
   

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3. There are two groups
   of people.
   

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4. Those who use the
   command line
   

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5. Those who are going to use
   the command line
   

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6. Don’t be afraid of the CLI.
   It’s your friend.
   

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7. Oh, you like the CLI?
   wp-cli will make your life better.
   

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8. Command Line Interface:
   A direct, text-based, interface
   to a computer.
   

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9. A direct, text-based,
   interface to your server.
   

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10. At your host, you’ll see this
    referred to as SSH.
    

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11. Perform operations directly
    on your server.
    

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14. Why would I use the CLI?
    

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15. Efficiency!
    Get things done faster.
    

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16. Copying a WordPress
    install in SFTP?
    

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17. ~5 Minutes+
    

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18. Copying a WordPress
    install in SSH?
    

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19. ~10 Seconds
    

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20. What else can I do?
    

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21. Deploy your site.
    

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22. On-server file editing.
    

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23. Plugin and theme
    installation or updates.
    

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24. Commands and Arguments
    $ cmd [optional arg]
    

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25. Windows Instructions:
    - Install Putty: http://bit.ly/y99vUd
    

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27. Mac Instructions:
    Open Terminal, then:
    $ ssh [user@]
    

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28. What are some basic
    commands?
    

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29. List files
    $ ls [-a] [location]
    -a for all files, including hidden
    

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30. Change directory
    $ cd
    Use ~ for home.
    ../ to go up a directory.
    

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31. Copy files
    $ cp [-r]
    -r copies recursively.
    

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32. Remove files
    $ rm [-r]
    -r removes recursively.
    

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33. Move files or directories
    $ mv
    

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34. Download files
    $ wget
    

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35. Unzip files
    $ unzip
    

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36. WordPress specific CLI
    operations: WP-CLI
    

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37. Super-cool Open Source tool
    to manage WordPress
    

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38. Headed up by
    Cristi Burcă (scribu) and
    Andreas Creten
    

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39. Uses WordPress itself to
    perform operations
    

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40. Automation!
    

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41. What can I do with it?
    

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43. No, Really.
    

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44. Update WordPress
    $ wp core update
    

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45. Install a Theme
    $ wp theme install
    

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46. Change Theme
    $ wp theme activate
    

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47. Backup your Database
    $ wp db export [filename]
    

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48. Update Plugins
    $ wp plugin update-all
    

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49. Update Themes
    $ wp theme update-all
    

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50. What do I need to run it?
    • SSH access to your WordPress install's directory
    • PHP 5.3+
    • WordPress 3.3+
    • Enough RAM for shell processes to run WordPress
    • Easiest on Linux & MacOS
    

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51. Okay. Got that covered.
    How can I get this
    Awesomeness?
    

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52. Install WP-CLI
    Full Instructions at http://wp-cli.org
    In short, from the root of your user:
    curl http://wp-cli.org/installer.sh | bash
    

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53. If you’re local and have sudo:
    sudo utils/dev-build
    

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54. Otherwise, add an alias
    (.bashrc/.bash_profile)
    alias wp='/home/user/wp-cli/src/bin/wp';
    

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55. In ~/.bash_profile:
    if [ -f ~/.bashrc ]; then
    source ~/.bashrc
    fi
    (http://www.joshstaiger.org/archives/2005/07/bash_profile_vs.html)
    

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56. You’ve got it installed?
    Let’s dig deeper.
    

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57. WP-CLI is extensible.
    

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58. Add your own directly
    wp-cli/php/commands/community/cmd_name.php
    

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59. Or, define in your plugins.
    if ( defined('WP_CLI') && WP_CLI ) {
    ! include( PLUGIN_DIR . '/lib/wp-cli.php' );
    }
    

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60. Sample Backup Plugin:
    http://getsource.net/2012/10/wp-cli-awesomeness-in-vancouver
    

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61. This is just a start.
    

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63. Resources!
    • http://wp-cli.org
    • http://files.fosswire.com/2007/08/fwunixref.pdf
    • http://getsource.net/2012/10/wp-cli-awesomeness-in-vancouver/
    • http://wp.tutsplus.com/tutorials/using-wp-cli-for-fun-and-profit/
    • http://halfelf.org/2012/command-line-wp/
    • http://www.joshstaiger.org/archives/2005/07/bash_profile_vs.html
    Mike Schroder (DH-Shredder)
    @GetSource - http://www.getsource.net
    

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