Installing WordPress 3.0 on Ubuntu 10.04 (Lucid Lynx)

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On this post I’ll tell you how to install the latest WordPress version (3.0) on a Ubuntu 10.04 (Lucid Lynx) machine. I personally love WordPress as a blogging engine and hope you find these instructions helpful and that make you create your blogs fast and pragmatically.

So, without further ado, let’s start by opening a terminal and type:


miguel@c31828:~$ sudo aptitude install apache2
Reading package lists… Done
Building dependency tree
Reading state information… Done
Reading extended state information
Initializing package states… Done
The following NEW packages will be installed:
apache2 apache2-mpm-worker{a} apache2-utils{a} apache2.2-bin{a} apache2.2-common{a}
libaprutil1-dbd-sqlite3{a} libaprutil1-ldap{a}
0 packages upgraded, 7 newly installed, 0 to remove and 0 not upgraded.
Need to get 3,238kB of archives. After unpacking 10.7MB will be used.
Do you want to continue? [Y/n/?]

Continue with Y. You’ll notice by the end of the update that Apache will be started and have a default configuration set up:

(…)


Enabling module authn_file.
Enabling module authz_host.
Enabling module reqtimeout.


Setting up apache2-mpm-worker (2.2.14-5ubuntu8) ...
* Starting web server apache2                                                                           apache2: Could not reliably determine the server’s fully qualified domain name, using 127.0.1.1 for ServerName
[ OK ]


Setting up apache2 (2.2.14-5ubuntu8) ...


Reading package lists... Done

(…)

Once the installation is finished, we can test if Apache is working OK by opening up a browser and navigate to the URL http://127.0.0.1. If everything is OK you’ll see the “it works!” web page, meaning Apache is up and running!

Next, we’ll need to install MySQL 5.1:

miguel@c31828:~$ sudo aptitude install mysql-server-5.1
Reading package lists… Done
Building dependency tree
Reading state information… Done
Reading extended state information
Initializing package states… Done
The following NEW packages will be installed:
libdbd-mysql-perl{a} libdbi-perl{a} libhtml-template-perl{a} libmysqlclient16{a}
libnet-daemon-perl{a} libplrpc-perl{a} mysql-client-5.1{a} mysql-client-core-5.1{a}
mysql-common{a} mysql-server-5.1 mysql-server-core-5.1{a}
0 packages upgraded, 11 newly installed, 0 to remove and 0 not upgraded.
Need to get 24.2MB of archives. After unpacking 60.7MB will be used.
Do you want to continue? [Y/n/?]

Continue with Y. During the installation we’ll need to insert a root password for MySQL. You can pick a strong password from strongpasswordgenerator.com. For obvious reasons, save this password in a safe place!

As you can see from the list above, MySQL 5.1 packages occupy 24.2 MB and this download can take some time depending on the Internet connection and CPU speed.

Next, we’ll install PHP version 5:


miguel@c31828:~$ sudo aptitude install php5 phpmyadmin
Reading package lists… Done
Building dependency tree
Reading state information… Done
Reading extended state information
Initializing package states… Done
The following NEW packages will be installed:
apache2-mpm-prefork{a} dbconfig-common{a} javascript-common{a} libapache2-mod-php5{a}
libjs-mootools{a} libmcrypt4{a} libt1-5{a} php5 php5-common{a} php5-gd{a} php5-mcrypt{a}
php5-mysql{a} phpmyadmin wwwconfig-common{a}
The following packages will be REMOVED:
apache2-mpm-worker{a}
0 packages upgraded, 14 newly installed, 1 to remove and 0 not upgraded.
Need to get 10.1MB of archives. After unpacking 32.7MB will be used.
Do you want to continue? [Y/n/?]

Continue with Y. I also installed phpMyAdmin, although optional, because I like to create the database, users, tables, etc. through this great package and this way I don’t need to give any commands directly on the mysql prompt (I personally tend to forget a lot on the right syntax on long commands).

If you don’t want to install phpMyAdmin, don’t forget to include php5-mysql on the command above (sudo aptitude install php5 php5-mysql).

You’ll notice that during phpMyAdmin installation you’ll have to choose the web server that should be configured to run phpMyAdmin: apache2 or lighttpd. Choose apache2 (with the space key) and hit Ok (with the tab and then the space key) to continue the installation. You’ll then get a screen telling you if you want to configure database for phpMyAdmin with dbconfig-common. Hit No (with tab and then the space key).

After phpMyAdmin installation, you can again open the browser and hit URL http://127.0.0.1/phpmyadmin/. Et voilà! You can now get inside your MySQL database world through your browser using the user root and the password chosen above (but be aware that user root has full access to your databases and should be used wisely).

Now, we only need to download WordPress 3.0 from the official WordPress web page:

http://wordpress.org/latest.zip (2.2MB) or http://wordpress.org/latest.tar.gz (2.0MB)

Right click on one of these links and download it to a location of your preference (for example, ~/Desktop) using the option “Save Link As…”. Unpack this package (I’ll use here folder /var/www as it is a standard location where the web server will look for web pages) using unzip (for the .zip archive) or tar (for the .tar.gz archive).


miguel@c31828:~/Desktop$ sudo mv latest.zip /var/www
or

miguel@c31828:~/Desktop$ sudo mv wordpress-3.0.1.tar.gz /var/www


miguel@c31828:~/Desktop$ cd /var/www


miguel@c31828:/var/www$ sudo unzip latest.zip
or

miguel@c31828:/var/www$ sudo tar -zxvf latest.tar.gz


After unpacking, you’ll get a folder wordPress extracted to your chosen location:


miguel@c31828:/var/www$ ls -al
total 2912
drwxr-xr-x  3 root   root      4096 2010-06-30 18:00 .
drwxr-xr-x 17 root   root      4096 2010-06-30 16:32 ..
-rw-r–r–  1 root   root       177 2010-06-30 16:32 index.html
drwxr-xr-x  5 root   root      4096 2010-06-17 17:05 wordpress
-rw-r–r–  1 miguel miguel 2964966 2010-06-30 17:38 latest.zip

You can now delete the .zip or .tar.gz archive:


miguel@c31828:/var/www$ sudo rm -f latest.zip

or

miguel@c31828:/var/www$ sudo rm -f wordpress-3.0.1.tar.gz


Now all we’re missing is creating a MySQL database and configure WordPress!

For creating a database using phpMyAdmin, follow these steps:

• Start by choosing a name for your WordPress database (like ‘wordpress‘ or ‘blog‘), enter it in the Create new database field, and click Create (choose the right Connection Collation for you or use utf8_general_ci).

• Click the Home icon in the upper left to return to the main page, then click Privileges. If a user relating to WordPress does not already exist in the list of users, create one:

• Click Add a new User.

• Chose a username for WordPress (like ‘wordpress‘) and enter it in the User name field. (Be sure Use text field: is selected from the dropdown.)

• Choose a strong password password (use strongpasswordgenerator.com), and enter it in the Password field. (Be sure Use text field: is selected from the dropdown.) Re-enter the password in the Re-type field.

• Write down the username and password you chose.

• Leave all options under Global privileges at their defaults.

• Click Go.

• Return to the Privileges screen and click the Edit privileges icon (on the right-most column) on the user you’ve just created for WordPress. In the Database-specific privileges section, select the database you’ve just created for WordPress under the Add privileges to the following database drop down. The page will refresh with privileges for that database. Click Check All to select all privileges, and click Go.

• On the resulting page, make note of the host name listed after Server: at the top of the page. (This will usually be localhost.)

For creating a database using MySQL client, follow these steps:

miguel@c31828:/var/www$ mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 61
Server version: 5.1.41-3ubuntu12.3 (Ubuntu)


Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.


mysql> CREATE DATABASE databasename;
Query OK, 1 row affected (0.00 sec)


mysql> CREATE USER wordpressuser;
Query OK, 0 rows affected (0.00 sec)


mysql> SET PASSWORD FOR wordpressuser = PASSWORD(”wordpresspassword“);
Query OK, 0 rows affected (0.00 sec)


mysql> GRANT ALL PRIVILEGES ON databasename.* TO “wordpressuser“@”localhost” IDENTIFIED BY “wordpresspassword“;
Query OK, 0 rows affected (0.00 sec)


mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)


mysql> EXIT

Bye

Now all we have to do is to configure WordPress!


miguel@c31828:~$ cd /var/www/wordpress
miguel@c31828:/var/www/wordpress$ sudo cp wp-config-sample.php wp-config.php
Edit this new file, wp-config.php, with your favorite editor (I used emacs!) and change the values under the section labeled MySQL settings

• DB_NAME: Database Name used by WordPress
• DB_USER: Username used to access Database
• DB_PASSWORD: Password used by Username to access Database
• DB_HOST: The hostname of your Database Server

And also put your Authentication Unique Keys and Salts under the section labeled Authentication Unique Keys using WordPress’ online generator to obtain them:

• AUTH_KEY
• SECURE_AUTH_KEY
• LOGGED_IN_KEY
• NONCE_KEY

Save all your changes to file /var/www/wordpress/wp-config.php and open a browser and give it the URL http://127.0.0.1/wordpress/. If everything is OK by now you should see the WordPress welcome and configuration page:

All we need now is to put some more few details like the site’s title, the user name and password we’ll use to login (once again I suggest using a strong password from the strong password generator site, and after everything is just the way we want just click the “Install WordPress” button!
If everything went perfect, a “Success!” web page follows and we can start using WordPress by logging in with the user name and password chosen on the previous step.

Have fun using WordPress!

References: WordPress’ Installing WordPress - Detailed instructions web page.

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