Virtual Host Download
Pablo Barjavel
Virtual hosting is the practice of serving multiple websites from a single web server. Oneway to differentiate sites in your Amazon S3 REST API requests is by using the apparent hostnameof the Request-URI instead of just the path name part of the URI. An ordinary Amazon S3 RESTrequest specifies a bucket by using the first slash-delimited component of the Request-URIpath. Instead, you can use Amazon S3 virtual hosting to address a bucket in a REST API call byusing the HTTP Host header. In practice, Amazon S3 interprets Host asmeaning that most buckets are automatically accessible for limited types of requests at -name.s3.region-code.amazonaws.com.For a complete list of Amazon S3 Regions and endpoints, see Amazon S3 endpoints and quotas in the Amazon Web Services General Reference.
Virtual hosting also has other benefits. By naming your bucket after your registereddomain name and by making that name a DNS alias for Amazon S3, you can completely customize theURL of your Amazon S3 resources, for example, -name.com/. You canalso publish to the "root directory" of your bucket's virtual server. This ability can beimportant because many existing applications search for files in this standard location. Forexample, favicon.ico, robots.txt, andcrossdomain.xml are all expected to be found at the root.
When hosting website content that will be accessed from a web browser, avoid usingpath-style URLs, which might interfere with the browser same origin security model.To host website content, we recommend that you use either S3 website endpoints or aCloudFront distribution. For more information, see Website endpoints and Deploy a React-based single-page application to Amazon S3 and CloudFront in theAWS Perspective Guidance Patterns.
Depending on your needs, you might not wants3.region-code.amazonaws.com to appear onyour website or service. For example, if you're hosting website images on Amazon S3, youmight prefer instead of -east-1.amazonaws.com/. Any bucketwith a DNS-compatible name can be referenced as follows: [Filename],for example, -east-1.amazonaws.com/mydog.jpg.By using CNAME, you can map images.example.com to an Amazon S3hostname so that the previous URL could become
Amazon S3 uses the hostname to determine the bucket name. So the CNAME and the bucket namemust be the same. For example, suppose that you have configuredwww.example.com as a CNAME forwww.example.com.s3.us-east-1.amazonaws.com. When you access , Amazon S3 receives a request similar tothe following:
== ABOUT ==Overwrite the Host HTTP header to request a specific virtual host from a remote server.Often enough while waiting for DNS propagation or standing up a replacement site, developers edit the hosts file on their system to achieve the same effect. This extension basically does the same thing without the hassle.When detecting outgoing HTTP requests from your Chrome browser to the VHost Domain we redirect to the VHost IP. When detecting outgoing HTTP requests from your Chrome browser to the VHost IP, the extension simply adds a Host header containing the domain name specified in the VHost Domain. Any requests to sites other than the VHost Domain and VHost IP are ignored, so browsing other sites won't be impacted.== HOW TO USE ==- Enable -Click the VHost icon in the top right and enter the desired domain name.When a domain is present and [x] Enabled is checked, the VHost icon turns red. That means all websites will be requested with the entered domain.- Disable -Untick the [ ] Enabled checkbox. The icon will turn green-ish which means VHost is disabled and all websites will be requested with the regular host name.== Source ==I released the source code on GitHub: -Hosts-Chrome-ExtensionI was unable to improve this extension with more features and I saw it being used by quite a lot of people. So thank you for that! If you need any features you can find the code or a fork of someone who already implemented more stuff over on GitHub.== THANK YOU ==For using this extension. If you have the time to spare, please consider rating it in the Web Store.Many thanks to mcarver ( ) for:- Cleaning my very basic JS- Adding request filtering- Adding redirect- Adding Chrome storage sync- Making this thing better in many waysFor the next version I hope to merge Zacqarys changes ( -Hosts-Chrome-Extension) to this version.
An Ingress may be configured to give Services externally-reachable URLs,load balance traffic, terminate SSL / TLS, and offer name-based virtual hosting.An Ingress controlleris responsible for fulfilling the Ingress, usually with a load balancer, thoughit may also configure your edge router or additional frontends to help handle the traffic.
If you create an Ingress resource without any hosts defined in the rules, then anyweb traffic to the IP address of your Ingress controller can be matched without a name basedvirtual host being required.
For example, the following Ingress routes trafficrequested for first.bar.com to service1, second.bar.com to service2,and any traffic whose request host header doesn't match first.bar.comand second.bar.com to service3.
You can secure an Ingress by specifying a Secretthat contains a TLS private key and certificate. The Ingress resource onlysupports a single TLS port, 443, and assumes TLS termination at the ingress point(traffic to the Service and its Pods is in plaintext).If the TLS configuration section in an Ingress specifies different hosts, they aremultiplexed on the same port according to the hostname specified through theSNI TLS extension (provided the Ingress controller supports SNI). The TLS secretmust contain keys named tls.crt and tls.key that contain the certificateand private key to use for TLS. For example:
I want to put the whole Mattermost as a virtual host since I could not create a site URL. I was thinking of just using the default port used for Mattermost but I do not know where its installation path is
When you have multiple virtual hosts, it makes sense to keep a separate error logs for each one.Virtual hosts can be completely independent, and even managed by different admins.Therefore, each should have its own access and error log.
Apache breaks its functionality and components into individual units that can be customized and configured independently. The basic unit that describes an individual site or domain is called a virtual host.
These designations allow the administrator to use one server to host multiple domains or sites off of a single interface or IP by using a matching mechanism. This is relevant to anyone looking to host more than one site off of a single server.
For the purposes of this guide, our configuration will make a virtual host for example.com and another for test.com. These will be referenced throughout the guide, but you should substitute your own domains or values while following along.
Our document root (the top-level directory that Apache looks at to find content to serve) will be set to individual directories under the /var/www directory. We will create a directory here for both of the virtual hosts we plan on making.
We will start with one domain, configure it, copy it for our second domain, and then make the few further adjustments needed. The default Ubuntu configuration requires that each virtual host file end in .conf.
After this, we need to add two directives. The first, called ServerName, establishes the base domain that should match for this virtual host definition. This will most likely be your domain. The second, called ServerAlias, defines further names that should match as if they were the base name. This is useful for matching hosts you defined, like www:
The only other thing we need to change for a basic virtual host file is the location of the document root for this domain. We already created the directory we need, so we just need to alter the DocumentRoot directive to reflect the directory we created:
This will direct any requests for example.com and test.com on our computer and send them to our server at 203.0.113.10. This is what we want if we are not actually the owners of these domains in order to test our virtual hosts.
I'm trying to determine if it is practical to host Moodle 2.4.1 on a virtual server. The requirements for Moodle specify that both PHP and Apache installations be newer than what a lot of hosting companies offer, which narrows the field considerably.
For example, a basic install of Moodle creates over 300 DB tables, which increases with additional plugins. Bluehost has a limitation of 1,000 tables per basic account. In addition it has a limit on the number of program files, which includes emails associated with the account. As a result it may be unwise to host more than Moodle account there.
Please share your experience using Moodle 2.4.1 on a virtual host server and the company providing the service. Also, include the country where the server resides along with a general idea one the number of enrolled students and courses offered. If you have an understanding of phpMyAdmin include the number DB tables--you'll find the number next to the name of the Moodle database.
I'm not entirely sure I understand your question. There's nothing to stop you hosting Moodle on a virtual server per se as long as Moodle's requirements are met. I do it all the time. Perhaps you are specifically talking about the 'economy' end of virtual servers?
At one time or another I've used virtual servers at the more popular hosting companies and assure you there are differences. For example, some hosting companies cap CPU cycles. That means if your site uses over a certain percentage of the CPU your site's performance is slowed down. Other companies restrict CPU usage anywhere from 5-30%, which tells you right off that performance among hosting companies is going to vary greatly.
Another issue is that with Moodle 2.4.1 is not suitable for all hosting companies because it requires a more current version of Apache and PHP than the server provides. There was one hosting company I found that was still using PHP 4 when the rest of the world was using PHP 5.2.
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