Server :: Replicate 1 Table In Mysql To Different IP?
Aug 7, 2009
I have 2 servers, 1 running a web server on 1 IP address,the other server running a proxy on a different IP address. I intend to change and update the ncsa file with usernames and passwords from a mysql table.Is there a way to replicate 1 table from the webserver to the proxy server databases and then run a cronjob? The cron will simply delete unused usernames and add new ones.Is there a better way of doing this? I don't want to run the webserver on the proxy server for security and also for performance.
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Aug 2, 2010
I'm trying to setup wordpress on my server, which of course I need mysql for. I setup a database the other day, which worked perfectly, but I had to start again as I put some information in wrong. Now, I can create a database fine, but when I run
Code:
GRANT ALL ON wordpress.* TO wordpress@localhost IDENTIFIED BY "password";
I get the output:
[code]...
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Jul 6, 2009
When a user logs into my webmail application, it creates entries in a table on MySQL called "identities" which works great however once the user is deleted fro Linux with the "userdel -r" command, the data still sits in MySQL. My question is how I can I remove the table data from old users? It appears as show below:
[code].....
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May 3, 2010
Kmail 1.13.2 Problem on startup, error is from nepomuk, data storage. "cannot find Redland backend, nepomuk is disabled until fixed. Also see the following error from the akonadi console:
100503 10:00:15 [Note] Plugin 'ndbcluster' is disabled.
100503 10:00:15 InnoDB: Started; log sequence number 0 31413862
100503 10:00:15 [Warning] Can't open and lock time zone table: Table
'mysql.time_zone_leap_second' doesn't exist trying to live without
[code]....
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Jan 26, 2011
We have a MyISAM table without .MYD and .MYI files for storing data and index but we can select data from the table. We can't use mysqlhotcopy for backup the table. Each time,we execute mysqlhotcopy, we have the following error: 'dbs.table: is not base table'. How do we repair the table to re-create .MYD and .MYI files?
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Nov 16, 2010
we had a CENTOS 5.5 x86_64 machine with 8ered with MySQL 5.0.91-community.Currently we had a very high number of Created_tmp_disk_tables (31k in 4,5 hours!!!).I've read suggestion that we need to increase tmp_table_size, and we've set tmp_table_size to 64M, but this drupal modul's query still cause mysql create tmp table on disk
Code:
SELECT DISTINCT node.nid AS nid,
comments.subject AS comments_subject,
[code]...
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May 27, 2010
I just installed a MySQL server but for unknown reason im not able to set a root password.
CentOS 5.4 - 2.6.18-164.9.1.el5PAE
MySQL Ver 14.12 Distrib 5.0.77, for redhat-linux-gnu (i686) using readline 5.1
# yum install -y mysql mysql-server php-mysql
# service mysqld start
# mysql -u root
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
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Feb 21, 2011
i was trying to do some maintenance on the database and i have the following problem when looking at the database with phpmyadmin on the site
Code:
Table Ation Records Type Collation Size Overhead
uc_order_products_pair_vw Browse Structure Search Insert Empty Drop ~01 View --- unknown -
uc_order_products_qty_vw Browse Structure Search Insert Empty Drop ~01 View --- unknown -
uc_order_products_user_vw Browse Structure Search Insert Empty Drop ~01 View --- unknown -
[Code].....
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Sep 23, 2010
I have just run into a baffling error. I have a database set up in MySQL with six tables. My PHP based website performs queries of all kinds on these tables (SELECT, INSERT, UPDATE, DELETE). On my most recently setup table, the "Orders" table, I am able to perform queries from the server, as well as from my PHP MySQL Admin interface, but all activity from my webpage states that the Orders table does not exist. All other tables are running fine. I have tried rewriting the query script, checked for case sensitivity problems, even cut and pasted other working scripts in place, changing the table and field names as needed. No success. What could cause a single table to not show up like this?
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Jun 8, 2011
I am trying to install some program: rosinfo: - Create mysql database for rosinfo - Create table hosts, locks. Use file docs/rosinfo.sqlAnd I need to create table hosts, locks, using file rosinfo.sql. I have that file, but dont know what to do with it.
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Jul 13, 2011
I've started a webserver at 127.0.0.1:**** I want to be able to use a database for this server. Which schema do I use to add a new table to? Do I create a new Schema altogether?
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Oct 17, 2010
A sed mishap prior to a database import left me with a table name with, eh, well, this: Code: mysql> show tables;
+-------------------+
| Tables_in_someday |
+-------------------+
| day20101016 |
| day20101017); |
+-------------------+
I've corrected the sed mishap and imported the database the way it was intended Code: mysql> show tables;
+-------------------+
| Tables_in_someday |
+-------------------+
| day20101016 |
| day20101017); |
| day20101017 |
+-------------------+
But I can't seem to drop the table day20101017); because no matter how I seem to escape it it errors.
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Feb 24, 2009
What is the use of UNION=() in CREATE TABLE?
Code:
ENGINE=MRG_MyISAM DEFAULT CHARSET=utf8 UNION=();
I have been given some code and could not explain why it's err's out. Checked the mysql 5.0 manual but nothing[URL]. It only explains using UNION in a SELECT statement which I understand. If I drop off UNION=() then CREATE TABLE works fine.
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Jun 7, 2011
I think this goes here, but I'm not sure. I decided that XAMPP had been troublesome enough. MySQL never worked. So I decided to instal the LAMP stack offered by YaST. I went about installing it thinking that it would all work. But it seems that I was wrong. So I try to start mysql, and here's what I get:
Code:
the-matrix:~ # mysql start
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (2) or
Code:
the-matrix:~ # rcmysql start
Starting service MySQL warning: /var/mysql/mysql.sock didn't appear within 30 seconds
chmod: cannot access `/var/run/mysql/mysqld.pid': No such file or directory
[Code]...
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Feb 18, 2010
I have tried a few packages but cannot find an easy intuitive interface for editing tables in a mySQL database. I just need to simply edit the table field data, import and export multiple rows, and filter the table data so only the rows are returned based on a string that I search for. The tables I edit have several thousand rows and some up to 30,000. I do not know how to write queries and it seems all these packages require that you know how to write sql queries to do what I need to do. On the mac I used Sequel Pro, which is dead easy to use and is mostly point and click to do all the above. Since my mySQL experience is very limited, I really need something simple like this.
I have tried:
MySQL Workbench
Navicat (lite version)
MySQL Query Browser
how to do what I need to do with the above packages.
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Mar 12, 2011
I would like to store JPG files in a mysql database table. I figured that using BLOB fields on the one hand and the 'load_file' command on the other would do the trick. Here is how I set up the table:
mysql> create table blobtable (id int(10) not null auto_increment,
fileName varchar(15) not null,
file longblob not null, primary key(id) );
Query OK, 0 rows affected (0.51 sec)
Then I tried to enter the data:
mysql> insert into blobtable(filename,file)values('pic',load_file('/var/www/temp/IMGP4764.JPG'));
Which got me the following error signal:
ERROR 1048 (23000): Column 'file' cannot be null
It seems to me that the file path to the JPG file (although correct) is the source of the problem, and is causing the load_file command not to work. My first attempt was with the JPG file in my PC's home directory. When that returned the same error message, I figured that maybe the file had to be in the PC's (server's) web area so I put it under the 'www' directory.
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Jun 26, 2011
I want to insert a acess log file to mysql table.
my log file look like this;
08/Apr/2011 10:51:19 http://v4.netlogstatic.com/v6.00/385...t.messenger.js
08/Apr/2011 10:51:19 http://download.windowsupdate.com/ms...536945da07.exe
08/Apr/2011 10:51:19 http://www.google.lk/search?
08/Apr/2011 10:51:19 http://clients1.google.lk/generate_204
[Code].....
i want to insert this in to a table which having datetime (as it is in log file) and the site visited.
I created a mysql table using DATE using the date type and the TIME suing time type.but once i loaded this log to table date field shows empty. like following.
| 0000-00-00 | 04:18:29 | http://www.espncricinfo.com/navigati...scorecard.css?
how can I solve this problem.your responses are highly. My table should look like the following
| 08/Apr/2011 | 10:51:19 | http://www.radioeksen.com/song.txt
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Jul 31, 2010
Making a low-pace instance of Conky on my server, running once a minute and without X-output. and then every minute it inserts a row in a MySQL table with some variables. Once it is in a MySQL database I can make a nice PHP-application showing some graphs and statistics or maybe even send a mail when the motherboard is catching fire or so
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Sep 21, 2009
How do you guys to do just that? I know the option for global logging, with parameters --log on service run or log-bin and err-log for inside my.cnf. But what i am looking for is a way to log specifically a table activity, any activity, be it select or update queries.
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Dec 1, 2008
I am writing a script to mine data from my game server logs which are going to mysql. My first question is syslog-ng is sticking $msg into one colum it self, $msg tends to be a long string here are a few examples:
cn name team frag death flags role host.
0 Maik CLA 2 0 0 normal *.70.233.118.
1 lizardncd RVSF -1 3 0 normal
[*.22.247.40] lizardncd fragged Maik.
And they are not always in the same format, How could I parse this data to do something useful, like creating a user stats page with frag counts and flag counts. Should I create a script that runs in a cronjob that parses this data to a new table maybe once a day. Even then the $msg string value is random and I am thinking in terms of awk.
Second. I would like to keep track of what ip's are using what nicknames. Kinda in the sense of and ip associated to a array of names that have been used on that ip address so I can keep track of users. How would this work logically with a mysql db, could a column allow multiple values, then loadable into an array, which then can add, remove, and store to mysql.
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Feb 6, 2011
I'd like to use a perl script to update a fields in mysql database when pianobar (command line pandora radio player) starts a new song. Pianobar has the ability to run a script based on events, I'd like to take advantage of and use perl toparse the artist,song,album and update the corresponding fields. Then later retrieve them and display them with php/html. I am by no means proficient with perl. I started to use bash, but it looks like perl will be much more efficient and and less time consuming.
Code:
#! /usr/bin/perl -wT
use strict;
[code]...
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Jun 2, 2010
i am using liferay5.2(mysql included in the download pack) on fedora. while liferay is working fine but i cannot connect to mysql.i am getting the error
[
[root@localhost ~]# ln -s /var/lib/mysql/mysql.sock /tmp
[root@localhost ~]# /etc/init.d/mysqld start
Timeout error occurred trying to start MySQL Daemon.
[code]....
i didnt find the mysql.sock file in the location /var/lib/mysql/mysql.sock. i cannot find the portal-ext.properties file also to make intial settings.
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Sep 27, 2010
I have a mysql server which "goes down" every day at 9, because the debian-sys-maint user needs to run a table check, for no particular reason.
I assume it's a cron-job, but I can't find anything related to this. There's the mysqlautobackup script, but that runs at 4 in the morning, which is expected and perfectly acceptable.
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Mar 13, 2011
I'm currently running a membership site which is Joomla-based. Basically I need a bash script to constantly check that MySQL users table and copy those credentials into my SSH users list (subsequently giving them SSH access).I've looked at pam_mysql, but that merely is for authentication, it doesnt add them to the SSH users.
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Oct 15, 2010
My MySQL replication slave failed,while reading a large size table from master.Thhe information from error.logError 'Unknown table engine 'InnoDB'' on query. Default database: 'test'. Query: I am sure that table is a Big size table..
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Jul 27, 2011
I have two different table in a database in mysql that has no share key with each other and I want to sort them with each other on their date time column I mean when I sort it row X of table A that is older that row Y of table B comes earlier.
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Nov 19, 2008
I have this program:
#! /usr/bin/perl
use DBI ;
use strict ;
[code]....
and I get this error simply running the program from the command line: DBD::mysql::st execute failed: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 at ./submit.cgi line 24.
is this the right syntax to use, both, for this line:
my (@param) = $cgi->param("firstname","lastname","type") ;
as well as this one:
$sth=$dbh->prepare ("SELECT firstname,lastname,type FROM dts WHERE firstname LIKE $param[0] AND lastname LIKE $param[1] and type LIKE $param[2]" );
or should there be quotes around the $param[0] or something? (also is it $param[0] or $param(0)?)
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Oct 23, 2010
I'm using MYTHTV with AT&T's U-Verse system. AT&T apparently turns off the set-top box if the box doesn't receive any commands after some number of hours. When this happens the box takes so long to turn on that it doesn't process the lirc IR channel change command. I've rewritten my channel changer to add a lockfile, and added a cron entry to kick off an entry to just "ping" the set-top box once an hour. But, OK, I'd like to play the bandwidth saving game and not do this if there isn't anything in the "record" table.
So, how would I write a script that will check the number of rows in the "record" table in the "mythconverg" database and exit if there are zero rows? I'm afraid I don't know how to even start this. Here is my "keepalive.sh" script that does the pinging:
Code:
#!/bin/sh
#if there are no rows in the record table, just exit this script
# lock the lockfile - MUST be same one as channel lock
while [ `lockfile "/tmp/mythchanlock.lck"` ]
[Code]....
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Jun 13, 2011
I am trying to import a data file from old DOS application into MYSQL table The file is clear text file with fixed-width columns, without column delimiters
Example file :
Code:
4444333666666
2222666555555
iiiiwwwcccccc
[Code]...
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Aug 24, 2010
I know PHP auto removes stale sessions on it's own, but that doesn't remove them from the MYSQL table. So I was gonna make a cron script that ran once every hour that removed any MYSQL shopping cart item from the table if the original session_id that created it does not exist anymore.
From my understanding a session_id is an "actual" file located somewhere on the harddisk (is it not? correct me if I'm wrong), so I was going to do a simple check for each item in the shopping cart to check for it's original session file, if it didn't exist on the harddisk, then simply remove it from the mysql table.
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