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LOCALHOST Mac OS

May 24 2021

LOCALHOST Mac OS

Apr 25, 2015 Select the “ Mac OS X x64 ” option in the above link. 2) Once the download is complete, install the same on your machine. 3) Download the JDK8 u 45 from the below link. Java SE Development Kit 8 – Downloads. Select the “ Mac OS X x64 ” option in the above link. 4) Once the download is complete, install the same on your machine. MacOS – Localhost refuses to connect after upgrading to Sierra OS apache macos macports I have downloaded and installed apache, php, phpmyadmin, mysql via macports. Your Mac's hosts file is a small but important text document that has the ability to map hostnames to specified IP addresses. ## # Host Database # # localhost is used to configure the loopback interface # when the system is booting. Do not change this entry. ## 127.0.0.1 localhost 255.255.255.255 broadcasthost::1 localhost Click Save. Drag this same Hosts file from your desktop back into the same folder. If you don't have the folder open in finder anymore, follow steps one through five to reopen it.

XAMPP is a free distribution package that makes it easy to install Apache Web Server, PHP, PEAR, and MySQL. Before installing XAMPP, you should turn off any other web servers and instances of MySQL you have running on your Mac.

XAMPP is a free distribution package that makes it easy to install Apache Web Server, PHP, PEAR, and MySQL. Before installing XAMPP, you should turn off any other web servers and instances of MySQL you have running on your Mac.

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Installing XAMPP on a Mac

  1. Download XAMPP for Mac OSX - Be sure to select the proper version of PHP. For Webucator classes, any version after 5 will be fine.
  2. Open the downloaded file (the DMG-Image).
  3. Drag and drop the XAMPP folder into your Applications folder.

Starting XAMPP on OSX

To start XAMPP simply open XAMPP Control (by going to /Applications/XAMPP/manager-osx.app in Finder) and start Apache and MySQL on the Manage Servers tab.

If MySQL Does Not Start

If your MySQL server isn't starting, you may need to set the permissions for it using Terminal with this command:

Testing your OSX XAMPP Installation

In your web browser, go to http://localhost. You should see the start page of XAMPP:

Class File Permissions

  1. Cmd+click on the ApplicationsXAMPPxamppfileshtdocs folder and select 'Get Info'.
  2. If the lock symbol at the bottom indicates that this information is locked, click the lock icon to unlock, and enter your user credentials.
  3. Once the settings are unlocked, choose 'everyone' under 'Sharing & Permissions' and change the option to 'Read & Write'.

Class Files

  1. Download the class files.
  2. After downloading the class files, navigate to ApplicationsXAMPPxamppfileshtdocs and create a new folder named Webucator and extract your class files in that folder.

Setting the MySQL Password on Macs

  1. The PHP files use 'pwdpwd' for the MySQL root password, while the default password is NO password.
  2. Change the password to pwdpwd by opening Terminal (Applications > Utilities > Terminal) and enter:

You will be asked to enter your Mac password; enter it and press enter. Then you will be asked if you want to set a password for your XAMPP pages, then for MySQL, and then for MySQL/phpMyAdmin user..to all of these just type 'n' for no and press enter.

Then it will say:

  1. Enter 'y' for 'yes, let me set a password for the root user' and press Enter
  2. Enter the password pwdpwd. You will be asked to enter it again for confirmation.
  3. Quit Terminal (Cmd+Q) and restart Apache and MySQL using the XAMPP Control Panel.

Testing phpMyAdmin

  1. Go to http://localhost
  2. Click on phpMyAdmin under Tools
  3. Enter 'root' for username
  4. Enter 'pwdpwd' for password

You should be able to get in.

Installing Northwind Database using XAMPP

NOTE: you should download the class files below before following these instructions, as it contains the Northwinds Database file(s).

  1. To install the Northwind database used in class, click on the 'phpMyAdmin' link on the left navigation bar of the XAMPP home page. That should take you to http://localhost/phpmyadmin.
  2. If it asks you to login, the username is root and the password is blank (unless you have already changed it to something else, like pwdpwd).
  3. On that page, click on the Import link under the Localhost heading.
  4. Browse to the Northwind-MySQL.sql file in your class files.
  5. Click the Go button on the bottom right of the page.
  6. You should get a Success message and Northwind should be added to the Database dropdown menu on the upper left of the page.

Recommended Editor

  • Visual Studio Code ( Download, Install, and Set up)
    • While you may use a different editor or IDE, Visual Studio Code is an excellent IDE to learn to code on. It provides a nice balance of power and simplicity and it is available on Windows and Mac.

Designate your testing server in Dreamweaver

NOTE: The following only applies if you are using Dreamweaver. If you are not, please ignore this section.

  1. Go to Site > New Site.
  2. In the Site Setup dialog, fill in the Site Name (e.g., PHP) and browse to the Local Site Folder (e.g., ApplicationsXAMPPxamppfileshtdocs).
  3. Choose the Servers tab.
  4. At the bottom of the box on the right, click +.
  5. On the Basic tab, provide a Server Name, set Connect using to Local/Network, ensure the Server Folder matches the local site folder you specified in step 2, and set the Web URL to http://localhost/Webucator/ClassFiles/.
  6. Click the Advanced button.
  7. In the Server Model field, select PHP MySQL.
  8. Click Save. The server should appear in the table on the Servers tab.
  9. Make sure that both the Remote and Testing checkboxes are checked.
  10. Click Save.

Testing PHP Files

All your class files should be located in ApplicationsXAMPPxamppfileshtdocsWebucatorClassFiles

2 Methods for Testing Files in Browser

To test any of the class files in your browser, say ApplicationsXAMPPxamppfileshtdocsWebucatorClassFilesPHPBasicsDemosHelloWorld.php, you can use 1 of 2 methods:

Method 1:

  • Go to http://localhost/Webucator/ClassFiles/PHPBasics/Demos/HelloWorld.php in your web browser.
  • Follow the same pattern to view all other class files; basically the ApplicationsXAMPPxamppfileshtdocs gets changed to http://localhost/
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Method 2:

  • Go to http://localhost/Webucator/ClassFiles/ in your web browser.
  • Bookmark that page in your browser for easy access to it from now on.
  • From there, you can see all the lesson folders and drill down to any class file for testing/viewing

And that's it

Happy Mac XAMPPing!

In computer networking, localhosthttps://download-mill.mystrikingly.com/blog/mr-barbel-vs-hell-vise-mac-os. is a hostname that refers to the current computer used to access it. It is used to access the network services that are running on the host via the loopback network interface. Using the loopback interface bypasses any local network interface hardware.

Loopback[edit]

The local loopback mechanism may be used to run a network service on a host without requiring a physical network interface, or without making the service accessible from the networks the computer may be connected to. For example, a locally installed website may be accessed from a Web browser by the URLhttp://localhost to display its home page.

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The name localhost normally resolves to the IPv4 loopback address127.0.0.1, and to the IPv6 loopback address ::1.[1]

Name resolution[edit]

IPv4 network standards reserve the entire address block 127.0.0.0/8 (more than 16 million addresses) for loopback purposes.[2] That means any packet sent to any of those addresses is looped back. The address 127.0.0.1https://downnfile543.weebly.com/mailtab-pro-for-gmail-7-6-download-free.html. is the standard address for IPv4 loopback traffic; the rest are not supported by all operating systems. However, they can be used to set up multiple server applications on the host, all listening on the same port number. The IPv6 standard assigns only a single address for loopback: ::1.

The resolution of the name localhost to one or more IP addresses is normally configured by the following lines in the operating system's hosts file:

The name may also be resolved by Domain Name System (DNS) servers, but queries for this name should be resolved locally, and should not be forwarded to remote name servers.

In addition to the mapping of localhost to the loopback addresses (127.0.0.1 and ::1), localhost may also be mapped to other IPv4 (loopback) addresses and it is also possible to assign other, or additional, names to any loopback address. The mapping of localhost to addresses other than the designated loopback address range in the hosts file or in DNS is not guaranteed to have the desired effect, as applications may map the name internally.

In the Domain Name System, the name localhost is reserved as a top-leveldomain name, originally set aside to avoid confusion with the hostname used for loopback purposes.[3] IETF standards prohibit domain name registrars from assigning the name localhost.

IETF standards[edit]

The name localhost is reserved for loopback purposes by RFC 6761 (Special-Use Domain Names),[4] which achieved the Proposed Standard maturity level in February 2013. The standard sets forth a number of special considerations governing the use of the name in the Domain Name System:

  • An IPv4 or IPv6 address query for the name localhost must always resolve to the respective loopback address, which is specified in a separate standard.
  • Applications may resolve the name to a loopback address themselves, or pass it to the local name resolver mechanisms.
  • When a name resolver receives an address (A or AAAA) query for localhost, it should return the appropriate loopback addresses, and negative responses for any other requested record types. Queries for localhost should not be sent to caching name servers.
  • To avoid burdening the Domain Name System root servers with traffic, caching name servers should never request name server records for localhost, or forward resolution to authoritative name servers.
  • DNS registrars are precluded from delegating domain names in the top-level domain localhost.
  • When authoritative name servers receive queries for 'localhost' in spite of the provisions mentioned above, they should resolve them appropriately.

The IPv4 loopback addresses are reserved within the IPv4 address space by the IETF 'Special Use IPv4 Addresses' standard (RFC 5735).[5] The reservation can be traced back to the November 1986 'Assigned Numbers' standard (RFC 990).

In contrast, the IETF 'IP Version 6 Addressing Architecture' standard (RFC 4291) reserves the single IPv6 loopback address ::1 within the IPv6 address space. The standard precludes the assignment of that address to any physical interface, as well as its use as the source or destination address in any packet sent to remote hosts. Any such packet that is erroneously transmitted is not supposed to be routed, and should be dropped by all routers or hosts that receive it.

Packet processing[edit]

The processing of any packet sent to a loopback address, is implemented in the link layer of the TCP/IP stack. Such packets are never passed to any network interface controller (NIC) or hardware device driver and must not appear outside of a computing system, or be routed by any router. This permits software testing and local services in the absence of any hardware network interfaces.

Looped-back packets are distinguished from any other packets traversing the TCP/IP stack only by the special IP address they were addressed to. Thus, the services that ultimately receive them respond according to the specified destination. For example, an HTTP service could route packets addressed to 127.0.0.99:80 and 127.0.0.100:80 to different Web servers, or to a single server that returns different web pages. To simplify such testing, the hosts file may be configured to provide appropriate names for each address.

Packets received on a non-loopback interface with a loopback source or destination address must be dropped. Such packets are sometimes referred to as Martian packets.[6] As with any other bogus packets, they may be malicious and any problems they might cause can be avoided by applying bogon filtering. Rebel riot mac os.

Special cases[edit]

The releases of the MySQL database differentiate between the use of the hostname localhost and the use of the addresses 127.0.0.1 and ::1.[7] When using localhost as the destination in a client connector interface of an application, the MySQL application programming interface connects to the database using a Unix domain socket, while a TCP connection via the loopback interface requires the direct use of the explicit address.

One notable exception to the use of the 127.0.0.0/8 addresses is their use in Multiprotocol Label Switching (MPLS) traceroute error detection, in which their property of not being routable provides a convenient means to avoid delivery of faulty packets to end users.

See also[edit]

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References[edit]

  1. ^'RFC4291: IP Version 6 Addressing Architecture'. IETF. Section 2.5.3.
  2. ^M. Cotton; L. Vegoda; R. Bonica; B. Haberman (April 2013). Special-Purpose IP Address Registries. Internet Engineering Task Force. doi:10.17487/RFC6890. BCP 153. RFC6890. Updated by RFC 8190.
  3. ^'RFC2606: Reserved Top Level DNS Names'. IETF. Section 2.
  4. ^'RFC6761: Special-Use Domain Names'. IETF. Section 6.3.
  5. ^'RFC5735: Special Use IPv4 Addresses'. IETF. Section 4.
  6. ^Raymond, Eric S. 'The Jargon File'.
  7. ^'MySQL :: MySQL 5.5 Reference Manual :: 4.1 Overview of MySQL Programs'.

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