If you are using a local WAMP server for Drupal 8 development, it is crucial that a virtual host be set up. This allows your browser to access and execute files stored locally on your system correctly.
First, open the hosts file in your WAMP directory. Next, right-click on the green WAMP icon and choose “Restart All Services”. Eventually, your local website should become accessible.
IP-based
WAMP server virtual hosts allow multiple websites or web applications to coexist on one physical machine while having individual configuration settings and content for each virtual host. This feature can be especially helpful for hosting different IP addresses on one IP address while managing resources like memory and CPU usage more effectively. There are two methods of creating a WAMP virtual host: either through Localhost webpage or configuration files.
The easiest and simplest method for adding virtual hosts is using the localhost webpage, and clicking the green WAMP icon in your system tray to launch Localhost webpage. After visiting this site, left-click Tools section then “Add Virtual Hosts.” Finally follow on-screen instructions and complete process successfully.
As soon as a connection arrives, Apache uses the hostname in the HTTP Host header to determine which virtual hosts it should serve the request from. If no name-based virtual hosts are configured, Apache searches all other VirtualHost> definitions outside _default_ virtual host for one that has either an ServerName directive or VirtualHost aliases that match up with the requested hostname – this process repeats until its perfect match is discovered.
Advantages to this technique include working even when clients change IP addresses during KeepAlive/persistent connections, and eliminating the need to perform DNS lookups on every request – saving costs on large systems while simultaneously making each virtual host unique with its own IP address. However, for this method to work properly it must have its own dedicated IP address.
VirtualHost> containers provide access to virtual host-specific configuration directives such as ServerName and DocumentRoot directives as well as TransferLog and ErrorLog directives, but any directives set outside a VirtualHost container will override those specific to virtual hosts.
Port-based
Port-based virtual hosting enables multiple websites to run on one machine without sharing the same IP address, offering more flexibility as it works with older browsers as well. Although less popular than IP-based virtual hosting, port-based virtual hosting may prove useful in certain circumstances.
To set up a virtual host in WAMP, create a file named hosts in the C:wampwww folder. This file will include all necessary information that will connect local files with URLs hosted by WAMP server and associated with HTTP requests from visitors. When finished editing this file with Sublime Text text editor and saving and closing it.
VirtualHost> containers must include at least a ServerName directive and DocumentRoot directive that indicate where content residing for that host resides on the file system. Additional directives can also be placed inside VirtualHost> containers; however, only those not overridden by another VirtualHost or NameVirtualHost context will change configuration for that host.
Configuring Apache server for each virtual host and creating its own configuration file are both required for success. Each configuration file should contain at least a VirtualHost directive as well as ServerName and DocumentRoot fields specific to that host, in addition to being editable only by Administrator users.
Once your files are in order, open phpMyAdmin to create a database. Choose its name as well as a user id and password that are unique for each virtual host.
Create virtual hosts by editing the config files of a webserver, but this requires extensive knowledge of coding – for instance, creating virtual directories with PHP scripts for each virtual host is key, along with updating DNS entries accordingly.
Name-based
Name-based virtual hosting allows multiple hostnames to be hosted on one device using one instance of Apache HTTP Server, making it the most commonly employed method for web site hosting. Name-based virtual hosting reduces IP address requirements while still remaining user friendly compared to IP-based virtual hosting which requires a unique IP address per hosted domain name. Unfortunately, name-based virtual hosting requires clients send hostname requests when connecting, making SSL/TLS difficult.
To maintain control, it is often preferable to place directives inside VirtualHost > containers, so they will only affect each virtual host without being overridden by settings in the main server context. Otherwise, any directive placed outside this section will apply for all requests made against that host.
Name-based virtual hosting requires finding an appropriate VirtualHost> block by matching the hostname used in a request with an array of named aliases and ServerName directives of existing VirtualHost> blocks; once found, the first match is chosen; otherwise global server configuration takes precedence.
VirtualHost blocks include both ServerName and DocumentRoot directives to specify which host will be served, as well as specifying its content’s location within the filesystem. Furthermore, each VirtualHost> block should also specify an IP address (and port if applicable) where this host should listen for orders; typically this would be configured using * as its value but other configuration methods may also be employed to specify specific IPs/ports or protocols that need serving.
VirtualHost> blocks may also contain ServerAlias > directives that provide all names that people can use to navigate directly to their website. Each ServerAlias > directive can be configured to link directly to different files on your server or different websites; without it, Apache may use fully qualified domain names derived from system hostname. While this method might work sometimes, this approach often leads to inexact virtual host matching and should be avoided as requests arrive and are compared against a list of ServerAlias before selecting one from that list which match first based on request matching criteria – making virtual host matching even less reliable!
Multi-domain
WAMP (Windows Apache MySQL PHP), is an easily installed software package that enables you to easily setup a local web server. Setup is very straightforward with detailed instructions provided to configure WAMP with virtual hosts – an effective method for hosting multiple domain names on one server while offering separate handling – being available as part of this guide. Typically this service is used with web servers but other services may also benefit.
Step one in multi-domain configuration involves creating VirtualHost> blocks for every host you intend to serve, with at least a ServerName directive and DocumentRoot directive in each block that specify which host it serves and where content for that virtual host resides. Step two involves verifying that hosts file has at least one Listen directive for port 80 as without this directive, requests will fall back onto global server configuration for handling instead.
IP-based virtual hosting enables each site to have its own address on the network, with each interface listening for connections from each interface and binding them with its respective site. This enables sharing resources such as memory and processor cycles without necessitating using different host names for all sites.
If you are having difficulties setting up your virtual host, it could be because another application is blocking ports used by WAMPServer. To rectify this problem, follow this article that discusses troubleshooting XAMPP’s Apache and MySQL not starting, check your hosts file for conflicts or restart your computer with a fresh install of WAMPServer; otherwise seek technical support services if the problem still remains.


