Set up a web server running WordPress by Raspberry Pi.

1. WordPress Home
Server with RasPi
2013-May-25
Japanese Raspberry Pi Users Group
池田 百合子
IKEDA Yuriko
Sponsored by

2. 自己紹介
Self Introduction
池田 百合子 (IKEDA Yuriko)
WordPress Plugin dev.
‣ Ktai Style
‣ Ktai Entry
写真好き (Love photograph)
http://www.yuriko.net/
@lilyfanjp

3. ラズベリーパイ
a Raspberry PIE

4. Raspberry Pi
Delivered by

5. raspi-config

6. minimum GPU

7. ここから
シェル作業
Starting from using shell

8. 固定IP化
Use static IP
$ cd /etc/network/
$ sudo cp interfaces interfaces-static
$ sudo mv interfaces interfaces-dhcp
$ ln -s interfaces-static interfaces
$ sudo vi interface-static
iface eth0 inet static
address 192.168.3.14
netmask 255.255.255.0
network 192.168.3.0
broadcast 192.168.3.255
gateway 192.168.3.1

9. ホスト名変更
Change host name
$ sudo vi /etc/hostname
zinnia
$ sudo vi /etc/hosts
#127.0.0.1 raspberrypi
192.168.3.14 zinnia
$ sudo shutdown -r now

10. Zinnia elegans w/Bombus
Photo by Simon Koopmann

11. apt-get install
$ sudo apt-get update
$ sudo apt-get install wordpress
mysql-server phpmyadmin libnss-mdns
The following NEW packages will be installed:
apache2-mpm-prefork apache2-utils apache2.2-bin apache2.2-common
avahi-daemon bind9-host dbconfig-common geoip-database heirloom-mailx
javascript-common libaio1 libapache2-mod-php5 libapr1 libaprutil1
libaprutil1-dbd-sqlite3 libaprutil1-ldap libavahi-core7 libbind9-80
libdbd-mysql-perl libdbi-perl libdns88 libgeoip1 libhtml-template-perl
libisc84 libisccc80 libisccfg82 libjs-cropper libjs-prototype
libjs-scriptaculous liblwres80 libmcrypt4 libmysqlclient16
libmysqlclient18 libnet-daemon-perl libnss-mdns libonig2 libphp-phpmailer
libphp-snoopy libplrpc-perl libqdbm14 mysql-client-5.5 mysql-common
mysql-server mysql-server-5.5 mysql-server-core-5.5 php5-cli php5-common
php5-gd php5-mcrypt php5-mysql phpmyadmin ssl-cert tinymce wordpress
wordpress-l10n wwwconfig-common
0 upgraded, 56 newly installed, 0 to remove and 166 not upgraded.
Need to get 41.6 MB of archives.
After this operation, 186 MB of additional disk space will be used.
Do you want to continue [Y/n]?

12. MySQL root Password
※RasPi 自体のパスワードとは別にしよう
(Use different one from the RasPi login password.)

13. phpMyAdmin 設定
pma conf.

14. dbconfig 使用確認
Decide using dbconfig

15. DB pass for pma
※さっき設定した MySQL root パスワード
(MySQL root password you set a few minutes ago.)

16. pma user password
※これは空白のままOKしてよい
(Keep it empty.)

17. Apache2 設定
Apache2 conf.
$ sudo vi /etc/apache2/apache.conf
#<IfModule mpm_prefork_module>
# StartServers 5
# MinSpareServers 5
# MaxSpareServers 10
# MaxClients 150
# MaxRequestsPerChild 0
# </IfModule>
<IfModule mpm_prefork_module>
StartServers 2
MinSpareServers 2
MaxSpareServers 8
MaxClients 150
MaxRequestsPerChild 0
</IfModule>
$ sudo vi /etc/apache2/conf.d/charset
#AddDefaultCharset UTF-8
AddDefaultCharset UTF-8

18. PHP5 設定
PHP5 conf.
$ sudo vi /etc/php5/apache2/php.ini
short_open_tag = Off
memory_limit = 32M
default_charset = "UTF-8"
upload_max_filesize = 8M
max_file_uploads = 2
date.timezone = Asia/Tokyo
mbstring.language = Japanese
mbstring.internal_encoding = UTF-8
mbstring.http_input = pass
mbstring.http_output = pass
mbstring.encoding_translation = Off
$ sudo vi /etc/php5/cgi/php.ini
$ sudo vi /etc/php5/cli/php.ini
(memory_limit, upload 関連は変更不要)
(Untouch memory_limit, upload settings)

19. phpMyAdmin保護
Protect pma
$ sudo vi /etc/phpmyadmin/apache.conf
# Authorize for setup
# <Directory /usr/share/phpmyadmin/setup>
# <IfModule mod_authn_file.c>
# AuthType Basic
# AuthName "phpMyAdmin Setup"
# AuthUserFile /etc/phpmyadmin/htpasswd.setup
# </IfModule>
# Require valid-user
#</Directory>
# Authorize for login
<Directory /usr/share/phpmyadmin>
<IfModule mod_authn_file.c>
AuthType Basic
AuthName "phpMyAdmin Login"
AuthUserFile /etc/phpmyadmin/htpasswd.login
</IfModule>
Require valid-user
</Directory>

20. Basic 認証パスワード
Set Basic auth password
$ cd /etc/phpmyadmin
$ sudo htpasswd -c htpasswd.login myadmin
New password: (強固でなくていい; may be weak)
Re-type new password: (再度入力)
Adding password for user myadmin

21. Apache 再起動
Reboot apache
$ sudo /etc/init.d/apache2 restart
[ ok ] Restarting web server: apache2...waiting.

22. Avahi 設定
Avahi conf.
$ sudo vi /etc/avahi/hosts
192.168.3.14 zinnia.local
$ cd /etc/avahi/services/
$ sudo cp phpmyadmin.service http.service
$ sudo vi http.service
<?xml version="1.0" standalone='no'?>
<!DOCTYPE service-group SYSTEM "avahi-service.dtd">
<service-group>
<name replace-wildcards="yes">WWW on %h</name>
<service>
<type>_http._tcp</type>
<port>80</port>
<txt-record>path=/</txt-record>
</service>
</service-group>

23. ブラウザで接続
Connect with browser:
http://zinnia.local/phpmyadmin/

24. Basic 認証
Basic auth

25. phpMyAdmin ログイン
pma login

26. 匿名ユーザ削除
Delete anon. user

27. DB ユーザ追加
Add a DB user

28. 新規 DB 作成
Create a new DB

29. WordPress
as .deb

30. FHS 準拠
Filesystem Hierarchy Standard
本体
Core files
/usr/share/wordpress/
プラグイン
テーマ
Plugin&Theme
/var/lib/wordpress/wp-content/
or
/srv/www/wp-content/{HTTP_HOST}
設定
Settings
/etc/wordpress/
説明
Documents
/usr/share/doc/wordpress/

31. 利点
Pros
WP のアップデートは aptitude
(Updating WP with aptitude.)
54のロケールに対応
(Supports 54 locales.)
WP コアファイルが DocRoot 外
(WP core files are outside DocRoot.)

32. 欠点
Cons
サブディレクトリで独立した複数の
サイト設置が困難
(Difficult to locate a few independent
sites as sub-dir.)
➡マルチサイト機能でサブディレクトリを使
えばよい

33. サイト作成
Creating a site

34. 今回のサイト
The example
http://zinnia.local/blog/
内側向けサイト
(For internal use)

35. apache2 設定
apache2 conf.
$ sudo a2enmod rewrite
$ sudo cp /usr/share/doc/wordpress/examples/
apache.conf /etc/apache2/sites-available/wp
$ sudo vi /etc/apache2/sites-available/wp
## Without using Virtual host, hosted off /blog
Alias /blog/wp-content /var/lib/wordpress/wp-content
Alias /blog /usr/share/wordpress
<Directory /usr/share/wordpress>
Options FollowSymLinks
AllowOverride Limit Options FileInfo
DirectoryIndex index.php
Order allow,deny
Allow from all
</Directory>
<Directory /var/lib/wordpress/wp-content>
Options FollowSymLinks
Order allow,deny
Allow from all
</Directory>
$ sudo a2ensite wp
$ sudo /etc/init.d/apache2 restart

36. wp-config 作成
Create wp-config
$ sudo cp /usr/share/wordpress/wp-config-sample.php
/etc/wordpress/config-zinnia.local.php
$ sudo vi /etc/wordpress/config-zinnia.local.php
define('DB_NAME', 'pi_wp');^M
define('DB_USER', 'pi');^M
define('DB_PASSWORD', 'password_here');^M
define('AUTH_KEY', '次のスライド参照');^M
define('SECURE_AUTH_KEY', 'see the next slide');^M
define('LOGGED_IN_KEY', '...');^M
define('NONCE_KEY', '...');^M
define('AUTH_SALT', '...');^M
define('SECURE_AUTH_SALT', '...');^M
define('LOGGED_IN_SALT', '...');^M
define('NONCE_SALT', '...');^M
define('WPLANG', 'ja');^M
define('WP_CONTENT_DIR', '/var/lib/wordpress/wp-content');
define('FS_METHOD', 'direct');

37. https://api.wordpress.org/
secret-key/1.1/salt/
※2,3回リロードして使う
(Before using, reload several times)
※値コピー後も2,3回リロード
(Be sure to reload several times AFTER copy.)

38. wp-content 書込可
wp-content to be writable
$ sudo cd /var/lib/wordpress
$ sudo chown -R www-data wp-content

39. 5min. install

40. Done!

41. Logging in

42. Admin panel

43. Add Multibyte Plugin

44. Install Plugin

45. Installed & Activated

46. Front page

47. TODOs
OS ユーザ追加 (Adding OS user)
/etc/skel, /etc/profile, /etc/adduser.conf,
/etc/sudoers
update-alternatives --config editor
メール設定 (MTA configuration)
iptables 設定 (iptables configuration)
サイト外観調整 (Adjust appearance)

48. Clustering
Please buy at

49. 複数ホスト
Multi hosts
DB 移設 (Moving DB)
phpMyAdmin 設定変更
(Change conf. of pma)
wp-config設定変更(Rewrite wp-conf.)
www db

50. 参考URL
References
スライド公開中 (Slide shared)
http://www.slideshare.net/lilyfan/
raspi-wordpress20130525
Japanese Raspberry Pi UG
http://raspi.jp/