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Top Forums Web Development Installing mysql:sudo launchctl: command not found Post 302889984 by bakunin on Monday 24th of February 2014 04:14:38 PM
Old 02-24-2014
OK, very short introduction to networking basics:

"IP" is the basis for all internet communication (hence the name, "Internet Protocol"). For some aspects of this protocol it is necessary that a host can communicate with itself, just like it would be another host (like you look at yourself in the mirror). For this there is a special address, which does not belong to a certain host at all, but to each host: 127.0.0.1. This is called the "loopback" address every host can use this to connect internally to itself.

So far, so good. Alas, the classical IP (which, in fact, is "IP v4") is getting to its limits in many ways. One of the aspects where IP (v4) is starting to experience problems is the address room: the classical 4-byte address is simply not providing enough numbering space to accomodate for all the devices needing to access the internet (which needs a unique IP address as a prerequisite). Therefore IP v6 (or "IPng - next generation"; don't ask what happened to v5) provides a much bigger address space. In this new address space "::1" is the new loopback address.

I suppose you need to either deactivate IP v6 somewhere and/or activate "IP v4 only" to get rid of the "::1", because most probably PHP, as a network-aware language, automatically translates "127.0.0.1" to "::1" back and forth.

I know this won't help you in finding the problem directly, but at least you should now know what to look for and why.

I hope this helps.

bakunin
 

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MYSQLD(8)						       MySQL Database System							 MYSQLD(8)

NAME
mysqld - the MySQL server SYNOPSIS
mysqld [options] DESCRIPTION
mysqld, also known as MySQL Server, is the main program that does most of the work in a MySQL installation. MySQL Server manages access to the MySQL data directory that contains databases and tables. The data directory is also the default location for other information such as log files and status files. When MySQL server starts, it listens for network connections from client programs and manages access to databases on behalf of those clients. The mysqld program has many options that can be specified at startup. For a complete list of options, run this command: shell> mysqld --verbose --help MySQL Server also has a set of system variables that affect its operation as it runs. System variables can be set at server startup, and many of them can be changed at runtime to effect dynamic server reconfiguration. MySQL Server also has a set of status variables that provide information about its operation. You can monitor these status variables to access runtime performance characteristics. For a full description of MySQL Server command options, system variables, and status variables, see Section 5.1, "The MySQL Server". For information about installing MySQL and setting up the initial configuration, see Chapter 2, Installing and Upgrading MySQL. COPYRIGHT
Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc. This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/. SEE ALSO
For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online at http://dev.mysql.com/doc/. AUTHOR
Sun Microsystems, Inc. (http://www.mysql.com/). MySQL 5.1 04/06/2010 MYSQLD(8)
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