An open-source, relational database management system.

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Monitoring mysql with munin - worse MySQL performance?

If I monitor my MySQL server with munin, can I envisage with worse MySQL performance? When I want to activate statics as an example in PHPMyAdmin it says that the MySQL performance can be inferior as ...
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2answers
200 views

MySQL Access Denied (CentOS)

I have installed fresh MySQL server on CentOS, and started the MySQL server service with command. # /sbin/service mysqld start I checked the service and it is running. Currently I am logged in as ...
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1answer
653 views

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

I am trying to copy data from CSV to mysql using shell script where I am all new. And I am working with my test server. mysql -u root -proot csv_imports -e "LOAD DATA INFILE '/var/www/html/$...
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1answer
22 views

Install mysql-workbench in fedora 21

I already install mysql-workbench in fedora 21 from rpm: yum localinstall mysql-workbench-community-6.3.5-1.fc21.x86_64.rpm But when I tried to launch apps by command: /usr/bin/mysql-workbench --...
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0answers
178 views

Debugging Slow Queries in MariaDB/MySQL

I've set up a MariaDB server and everything is running well, with most queries executing in well under 20 milliseconds, but every so often a query will take half a second or longer (sometimes several ...
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381 views

MariaDB Dependencies issue after isntall/remove

I tried to "upgrade" MySQL 5.5 to MariaDB by removing MySQL altogether. Then I installed MariaDB 10.1 as follows: sudo apt-get install software-properties-common sudo apt-key adv --recv-keys --...
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201 views

Mysql 100% 1 core CPU load

I have 8 cpu in server, and Mysql works only on 1 cpu core on 100%. How can I use all cores? my my.cnf [mysqld] safe-show-database query_cache_limit=1M query_cache_size=64M ## 32MB for every 1GB ...
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1answer
169 views

Linux Mint 17 Cinnamin + MySQL + turn OFF autostart

I have tried all the suggestions in hours of googling and still when I reboot and run service mysql status my server is running. since i only use mysql for database testing with my java apps i don't ...
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153 views

httpd and mysqld used out of memory

I choose 512mb ram for my Centos VPS with very low traffic new website .but after 2,3 hours after rebooting, i have only 24mb free memory. when i use top command: 2981 root 20 0 37176 10m ...
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1answer
36 views

Keeping services on EC2 alive

I'm using a MySQL database and Apache server with an AWS EC2 instance running AWS Linux. I start them both using the service command, but I am not familiar with any other tool that would come pre-...
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472 views

MySQL Daemon failed to start. Starting mysqld: [FAILED] [closed]

Help me! problem : sudo service mysqld start MySQL Daemon failed to start. Starting mysqld: [FAILED] vi /var/log/mysqld.log : 151015 05:46:26 mysqld_safe ...
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195 views

OpenSuse 13.2 mysql-workbench refuses to start

After running an zypper up mysql-workbench is broken. I get this error when trying to start it from CLI /usr/lib64/mysql-workbench/mysql-workbench-bin: symbol lookup error: /usr/lib64/mysql-workbench/...
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200 views

what is the correct regexp for mysql filter in fail2ban?

I use the default filter file /etc/fail2ban/filter.d/mysqld-auth.conf for fail2ban service. But there are some errors in file /var/log/fail2ban.log as: Found a match for '150815 10:42:54 [Warning] ...
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0answers
77 views

How Remove permission denied with GRANT USAGE ON mysql

I have a mail server in my ubuntu instance. I have a webserver management FROXLOR and i recieve errors for access denied when i try to login in mail account. The log for this: Aug 16 03:14:33 email ...
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20 views

mysqld stops right after starting because of corrupted tables (disk full + hardware reboot) - how to fix it?

I'm dumb, I did the stupidest thing I could. On one of my servers, the SSD was full and I wasn't aware of it. The high-traffic website became working really slow, then started displaying errors, ...
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0answers
168 views

MySQL update failed (debian)

I have problem updating MySQL server (pkg mysql-server5.5) MySQL server "can't stop" [FAIL] Stopping MySQL database server: mysqld failed! invoke-rc.d: initscript mysql, action "stop" failed. dpkg: ...
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254 views

Unable to install mysql-server-5.6

My website was running fine on server version 5.5, but now it hangs on the installation of version 5.6. I've tried removing it, purging it, even removing the /etc/mysql folder, then reinstalling it ...
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1answer
128 views

Can't start mysqld (mariadb) on Fedora, if put a backup into /var/lib/mysql

After some terrible actions, I had to reinstall my Fedora (was 20, became 22). Unfortunately, I was unable to made mysqldump, so I backuped /var/lib/mysql folder. Now, I'm trying to put in on the ...
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214 views

mysql service exiting without error

I have installed mysql-community-server on openSUSE and am having trouble starting it as a service. I can start it using sudo mysqld --user=mysql without a problem and access the database normally. ...
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1answer
38 views

Update mysql database

How would I go about updating MySQL database X, table Y and column Z with "abc". How would I be able to do this without having to do so interactively from the mysql> prompt? I want to do this with one ...
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0answers
51 views

Zombie mysql process ? - linux Mint

I am having the following problem with MySQL and Mint: mysql is set to run at startup: sudo update–rc.d mysql defaults After startup the service is running and I can connect to the database through ...
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6answers
973 views

I can not install MySQL using yum on Centos7

I've installed centos7 recently, but, when I am trying to install MySQL using the command: yum install mysql-community-server I keep getting Exiting on user cancel while I am not hitting any ...
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2answers
237 views

Centos 7 - Recover mysql db from data files .frm and .ibd

I have migrated my operating system from Windows to Centos 7 without getting backup of mysql through mysqldump. Now I have mysql data files .frm and .ibd . I want to migrate them How can I migrate ...
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28 views

Howdo i avoid older mysqlclient versions

i'm running some CentOS servers. PHP and MySQL are installed from 3rd party repos. My problem is that on all servers i always have php mysql clients running their version far behind the actual mysql ...
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1answer
268 views

Unable to access another server over local network on Digital Ocean

I have two servers. Let's call them A and B. Both are running ubuntu server 14.04. B runs percona server. Now I do not have any firewall set-up on either servers still I am unable to connect to server ...
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2k views

Error starting MySQL in a MariaDB Galera cluster in CentOS 7

I'm trying to setup a MariaDB Galera cluster following this tutorial exactly as it is, and I'm stuck in the Step 7– Initialize the first cluster node, I'm doing so with sudo /etc/init.d/mysql start --...
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1answer
82 views

Rebooting Centos Servers configured with MYSQL Master/Slave Replication

Sometime ago we configured MYSQL replication on our main web server to another CentOS 6 server. All is working perfectly and we can see the replication is working fine. My question is how to safely ...
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2answers
1k views

import .sql file into a remote server from a local machine

I've created a database in the remote machine. Currently, the database is empty and I need to import using a backup(.sql) file. The backup file is in my local machine, it is a 40gb file. And the ...
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1answer
796 views

How do I troubleshoot these SELinux AVC errors?

Background: I have a CentOS 6 LAMP server. Recently the server has started to become unresponsive every few days. Originally, mysqld would throw a nagios alert and I would be unable to even ssh into ...
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20 views

Finding out the script causing MySQL failed connections

I see lot of lines in mysql.log Connect Access denied for user 'M'@'localhost' (using password: NO) I am sure I don't have such a user on my system. I need to figure out what script is ...
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2answers
2k views

Installing MySQL on CentOS throws error that cannot find mysqld.sock

I have yum install mysql in CentOS 6.4. Now, when I use mysql command, it throws the following error: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld....
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235 views

I Need Find A Mac Address from a client connected to my Teamspeak

I have a dedicated server and from it I am running a teamspeak 3 server. In teamspeak server there is a client who need to be banned. I have banned him from teamspeak but if you change your windows ...
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2answers
397 views

writing mysql output to file in CentOS 7

I am trying to run the following command from inside the mysql command line client in the CentOS terminal: SELECT Concat('TRUNCATE TABLE ',table_schema,'.',TABLE_NAME, ';') FROM ...
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1answer
38 views

Linux firewall techniques: MySql-Account

I'm having a discussion with a software developer in my nears. He is using MySql direct connections for a software. There is no PHP/SSH/whatever-Bridge involved for the communication, neither at ...
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1answer
3k views

export from MYSQL to CSV

How do I export from MYSQL to CSV in mariadb on Centos 7? I am using: Server version 5.5.37-MariaDB Protocol version 10 Connection Localhost via UNIX socket UNIX socket /var/...
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2answers
149 views

Running SQL call as root user in init.d script?

I have an SQL query that must be run on every startup after a software update (updates come with new installations of mysql and thus change the debian-sys-maint user's password, which my script ...
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1answer
383 views

Cacti/rrdtool error -> Poller[0] ERROR: SQL Row Failed!, Error:'1033'

I have cacti working flawlessly on a centos 7.0 machine but I need it working on a centos 6.3 machine. I download the same version of cacti as what is on the 7.0 and I installed rrdtool from yum. ...
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112 views

How to debug the network issue in case of blocked database connections

I am trying to understand if my analysis of the below information is correct. For all the 3 scenarios listed here, port 80, port 3306 and port 22 are open in the server's firewall. Also, for all the 3 ...
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1answer
207 views

How to set up Cron to run mysqlauditgrep command for 11AM on Friday

I am trying to set up cron to run the mysqlauditgrep command (its the MySQL 5.6 Utilities package). The mysqlauditgrep command is in bash. The command I am looking to run is: mysqlauditgrep --format=...
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112 views

Ubuntu with LAMP+Mediawiki suffering spikes

I'm sorry if this question is off topic, but I'll give it a shot: I have a VPS running Ubuntu 12.04, a LAMP stack, and Mediawiki. After installing Mediawiki I noticed that my wiki site was spiking, i....
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1answer
1k views

phpmyadmin doesn't work after installing php5-mysqlnd

I am currently running into some problems with phpMyAdmin. I set everything up correctly and made sure everything worked. Then later after some developing on some pages I noticed I couldn't execute ...
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0answers
5k views

mysqld dead but pid file exists

Webserver was running fine for weeks then suddenly: I can access, but I am unable to log into Webmin I can access Magento, a php-based storefront application, but I am no longer able to log in and ...
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1answer
230 views

php-mysql not working

I'm running on RHEL6. I have installed php and php-mysql. <?php phpinfo(); ?> is working perfectly. But I can't connect to MySQL is there a way to confirm that php-mysql is not working on my ...
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1answer
360 views

Modoboa 1.1.1 Deployment Errors

I tried to install modoboa follow this steps: http://modoboa.readthedocs.org/en/latest/getting_started/install.html I installed modoboa with pip install modoboa: Traceback (most recent call last): ...
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2answers
1k views

Allow remote MySQL to a specific IP - using CentOS 6.4 [closed]

I've spent a day now trying to find out how to allow remote MySQL to work for my other virtual server. This is proving very difficult so I'm hoping you guys could help me out ;( I've used the ...
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32 views

Restore deleted Mysql Directory in linux [duplicate]

My MySQL directory has been deleted from directory /root/var/ by mistake, we need to restore it, Is it possible ?
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58 views

Mysql user privileges : Only CREATE table

I am trying to create a user who will be able to manage all databases without the right to CREATE and DROP databases. I have been using the following link : http://dev.mysql.com/doc/refman/5.0/en/...
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1answer
193 views

mysql database dump script adding fuctionality to skip dumped database

I'm using the following script to dump my database. it works great. I want to add functionality that it first checks if a database table is already dumped or not, if a dump exists then it should be ...
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1answer
176 views

Data loss prevention ( or recovery) in a MySql db in embedded systems

I have a little ( big ) problem with a MySql application that write on a SD card or a Compact Flash. After a data loss ( a power failure , for example) , if I try to retrieve the data of my db , it ...
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630 views

Amazon EC2 MySQL Failed to Start

I'm having issues starting MySQL after it randomly stopped working a few minutes ago. I'm getting this error while trying to connect: Connect failed: Can't connect to local MySQL server through ...