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MySQL Cannot Connect To Database Via PHP


I got this weird problem with my VPS which has MySQL 4.1.22 running on it. Everything works fine for sometime and then out of a sudden, it stop recognizing the mysql users and refused to allow my PHP scripts to access the database.

It seems that I needed to restart mySQL server to resolve the issue. Then out of the blues, the same problem occurs.

I am running Cpanel on a VPS and there isn't any overloading as the database access is pretty light on my 512mb VPS.

I contacted my web host about the issue and it seems like all they do is to restart the mySQL. This cannot be a solution as it happens at least once or twice a day depending on how soon I could catch the problem.

All the time this problem occurs, the MYSQL Server is still active and working. I can even access it through PHPMyAdmin but not through the scripts.

I just added an hourly crontab so as to restart the MySQL server as a stop gap.


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| 81817 | mysite | localhost | mysite | Sleep | 865 | | NULL |
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| 98419 | mysite | server2:51487 | mysite | Sleep | 26 | | NULL |
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| 98503 | mysite | server2:51520 | mysite | Sleep | 22 | | NULL |
| 98512 | mysite | server2:51524 | mysite | Sleep | 22 | | NULL |
| 98514 | mysite | server2:51525 | mysite | Sleep | 20 | | NULL |
| 98519 | mysite | server2:51526 | mysite | Sleep | 22 | | NULL |
| 98557 | mysite | server2:51514 | mysite | Sleep | 21 | | NULL |
| 98568 | mysite | server2:51548 | mysite | Sleep | 20 | | NULL |
| 98581 | mysite | server2:51557 | mysite | Sleep | 5 | | NULL |
| 98617 | mysite | server2:51572 | mysite | Sleep | 18 | | NULL |
| 98620 | mysite | server2:51574 | NULL | Sleep | 18 | | NULL |
| 98630 | mysite | server2:51577 | mysite | Sleep | 17 | | NULL |
| 98644 | mysite | server2:51584 | mysite | Sleep | 17 | | NULL |
| 98681 | mysite | server2:51601 | mysite | Sleep | 15 | | NULL |
| 98698 | mysite | server2:51604 | mysite | Sleep | 14 | | NULL |
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| 98920 | mysite | server2:51684 | mysite | Sleep | 6 | | NULL |
| 98947 | mysite | localhost | mysite | Sleep | 1 | | NULL |
| 98954 | mysite | server2:51696 | mysite | Sleep | 5 | | NULL |
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Is there any command to tell that the database is UTF-8?

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I have a phpBB forum, which uses MySQl database.

For the last two months the forum has been going down every couple of days because the database service has been continuously stoped running on the server with no reason.

What can cause such a frequent database failures?

Can someone attack the forum/database/server in a way that will cause the above problem?

(there is a good reason I consider this possibility very seriously)

How can I prevent futher database failures?

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Due to LayeredTech price hike, i'm going to cancel my server with LT within two weeks.

Does anyone know an easy way to backup all the domians and mysql database in FreeBSD/DirectAdmin? Is there a built in feature in DirectAdmin that can do that?

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I have hundred of database names with "$" in the name? How do I change all instances of "$" with "_"?

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Unfortunately I don't have a mysqldump of the databases, just the raw files from an image of the server.

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I have a website that runs off a mysql database.

The first month it hit in excess of 400 threads.

Would anyone know whats the cheapest alternative to run a a site this size. Would a VPS account handle it?

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How is it possible to copy the database, without having the hosting panel access?

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I've got a server that was running Apache 2.0/PHP 5.2.5 & MysQL 5.0 just fine, however I needed to upgrade to a newer version of MySQL.

So I uninstalled MySQL 5.0 and installed MySQL 5.1, copied the MySQLlibs over, and recompiled Apache/PHP with easyupdate. Apache & MysQL both start/run fine without errors, however PHP files don't load. Just get black pages (HTML works fine obviously).

I went ahead and updated to Apache 2.2 & PHP 5.2.6 while I was at it, but that doesn't change things. I'm not sure why uninstalling MysQL & reinstalling would break any dependencies, but looks like thats the case. Perhaps I need to reinstall some libraries?

Or would it be easier just to reinstall Apache/PHP entirely? I have no data.

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Obviously its not something that we can easily sync between servers like the customers other web content. We are looking at either storing the sessions in a database or NFS.

The site is pretty busy and we are a bit worried that when the site goes live both these options will slow everything down.

Apart from using different load balancing software is there any other solutions we could use for this? Has anyone stored php sessions in a database on a busy site or on a NFS?

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some body attacking on my server and changing my users profile name /password or any other information so How To Protect MySQL Database From My SQL Injection Attacks? i have dedicate server i provide free wap sites to people with wildcard dns system and i have ConfigServer Security & Firewall installed.

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