Hack and / - Your Own Personal Server: Blog
Now that you are familiar with how Apache organizes files under Ubuntu, the next step is to configure a new virtual host. It turns out there are a number of different ways you can configure the WordPress virtual host under Apache, and included in the wordpress package are examples of the different methods under /usr/share/doc/wordpress/example/apache.conf. For this article, I'm choosing a configuration that makes it simple to manage multiple WordPress sites on the same host, so create a file called /etc/apache2/sites-available/wordpress that contains the following data:
NameVirtualHost *:80 <VirtualHost *:80> UseCanonicalName Off VirtualDocumentRoot /var/www/%0 Options All </VirtualHost>
Now, enable this new site and disable any default virtual hosts Apache may have included:
$ sudo a2ensite wordpress $ sudo a2dissite default
In my example, I have used the Apache option VirtualDocumentRoot, so I can more easily manage multiple WordPress sites. Unfortunately, the module to allow that feature isn't enabled by default, so I also need to enable the vhost_alias module so that feature works:
$ sudo a2enmod vhost_alias
The way I have set up WordPress, each WordPress site you host from this server will have its own document root under /var/www/<domainname>. When you add a new site, you need to create a symlink under /var/www/ named after your domain name that points to the installed WordPress software. In my case, I want to create a site called www.example.org, so I would type:
$ sudo ln -s /usr/share/wordpress /var/www/www.example.org
Instead of www.example.org, put the fully qualified domain name you are going to use for your site. While you're at it, if you haven't already set up an A record on your DNS server that points to your new site, now would be a good time. If you followed the steps in my previous column to set up a DNS server of your own, you already should have an entry in place for www. Simply change the IP address to point to the external, public IP address you will use for your Web server and reload the bind9 service.
After the symlink is created, I use the apache2ctl Apache management tool to reload Apache:
$ sudo apache2ctl graceful
Note: the apache2ctl program is the main command-line program you will use to manage the Apache service on your machine. In addition to the graceful argument, which tells Apache to reload any new configuration you have changed safely (such as when you add new sites), you also can use the following commands.
To restart Apache by forcibly stopping existing processes and starting them again:
$ sudo apache2ctl restart
To start Apache if it is completely stopped:
$ sudo apache2ctl start
To stop Apache hard (kill all of the current processes even if they are still processing a user request):
$ sudo apache2ctl stop
To stop Apache gracefully (it will kill processes only after they are finished with their current request):
$ sudo apache2ctl graceful-stop
Like with many dynamic sites these days, WordPress gets its data from a database back end: in this case, MySQL. The wordpress package includes a nice little shell script you can use to set up your MySQL database automatically for your site at /usr/share/doc/wordpress/examples/setup-mysql. All you have to do is pass it the -n option and tell it the name of the MySQL user you want to use and the name of the database. In my case, I use the user name “wordpress” and name the database after my site, www.example.org:
$ sudo bash /usr/share/doc/wordpress/examples/setup-mysql ↪-n wordpress www.example.org
Note: this command attempts to ping the domain name that you list, so if you haven't set up the domain in DNS yet, you will want to do it before you run the above command. Again, make sure your domain points to the public IP address you will use for your site.
Once you get to this point, your blog actually should be ready to use. All you need to do is visit http://www.example.org (in your case, you would visit the URL you set up for your blog), and you should be greeted with the initial WordPress configuration page as shown in Figure 1. From that point, all you have to do is enter the title for your blog and the contact e-mail you'd like to use. WordPress will present you with the admin user name and a temporary password. From there, you can log in and start tweaking, creating posts and changing your theme.
Kyle Rankin is a Systems Architect in the San Francisco Bay Area and the author of a number of books, including The Official Ubuntu Server Book, Knoppix Hacks and Ubuntu Hacks. He is currently the president of the North Bay Linux Users' Group.
Kyle Rankin is a VP of engineering operations at Final, Inc., the author of a number of books including DevOps Troubleshooting and The Official Ubuntu Server Book, and is a columnist for Linux Journal. Follow him @kylerankin.
Practical Task Scheduling Deployment
One of the best things about the UNIX environment (aside from being stable and efficient) is the vast array of software tools available to help you do your job. Traditionally, a UNIX tool does only one thing, but does that one thing very well. For example, grep is very easy to use and can search vast amounts of data quickly. The find tool can find a particular file or files based on all kinds of criteria. It's pretty easy to string these tools together to build even more powerful tools, such as a tool that finds all of the .log files in the /home directory and searches each one for a particular entry. This erector-set mentality allows UNIX system administrators to seem to always have the right tool for the job.
Cron traditionally has been considered another such a tool for job scheduling, but is it enough? This webinar considers that very question. The first part builds on a previous Geek Guide, Beyond Cron, and briefly describes how to know when it might be time to consider upgrading your job scheduling infrastructure. The second part presents an actual planning and implementation framework.
Join Linux Journal's Mike Diehl and Pat Cameron of Help Systems.
Free to Linux Journal readers.View Now!
|The Firebird Project's Firebird Relational Database||Jul 29, 2016|
|Stunnel Security for Oracle||Jul 28, 2016|
|SUSE LLC's SUSE Manager||Jul 21, 2016|
|My +1 Sword of Productivity||Jul 20, 2016|
|Non-Linux FOSS: Caffeine!||Jul 19, 2016|
|Murat Yener and Onur Dundar's Expert Android Studio (Wrox)||Jul 18, 2016|
- The Firebird Project's Firebird Relational Database
- Stunnel Security for Oracle
- My +1 Sword of Productivity
- Non-Linux FOSS: Caffeine!
- Managing Linux Using Puppet
- SUSE LLC's SUSE Manager
- Murat Yener and Onur Dundar's Expert Android Studio (Wrox)
- Google's SwiftShader Released
- SuperTuxKart 0.9.2 Released
- Doing for User Space What We Did for Kernel Space
With all the industry talk about the benefits of Linux on Power and all the performance advantages offered by its open architecture, you may be considering a move in that direction. If you are thinking about analytics, big data and cloud computing, you would be right to evaluate Power. The idea of using commodity x86 hardware and replacing it every three years is an outdated cost model. It doesn’t consider the total cost of ownership, and it doesn’t consider the advantage of real processing power, high-availability and multithreading like a demon.
This ebook takes a look at some of the practical applications of the Linux on Power platform and ways you might bring all the performance power of this open architecture to bear for your organization. There are no smoke and mirrors here—just hard, cold, empirical evidence provided by independent sources. I also consider some innovative ways Linux on Power will be used in the future.Get the Guide