An open-source, relational database management system.

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How can I fully remove a tablespace from MySQL?

I have a MySQL database called camera_main_live, which I administer using Adminer. It is, to all appearance, empty. So when I want to add some content, I begin by running this script (with Adminer set ...
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150 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 ...
2
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423 views

MySQL read only error but permissions set and SELinux AFAICT correct

I am new to MySQL and Linux and because I had issues with an old MySQL version (5.1) I used mysqldump and installed MySQL 5.6. I changed the datadir location by copying everything to the new folder ...
2
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0answers
336 views

is THP good or bad for MySQL Server?

Linux kernel new feature called Transparent Huge Pages (THP) which is by default enabled on CentOS 6.x and above OS. Is THP good for MySQL DB machine? I am trying following to disabled THP but seems ...
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0answers
78 views

Unable to install Mysql

When I install mysql on my Centos, I get the following error: Loaded plugins: fastestmirror, refresh-packagekit, security Loading mirror speeds from cached hostfile Could not retrieve mirrorlist ...
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163 views

mozilla sync server and mysql auth

Recently I updated my debian squeeze to wheezy. Unfortunately my firefox sync server (weave) stopped working. I saved the config files and downloaded the new version via hg. I already fixed some ...
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0answers
105 views

No communication services enabled following startup

I recently installed Parsix (Debian) on my system, and I've been struggling to figure out how to autostart my services. Of the list of services that don't run and should run are: ssh apache mysql ...
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0answers
1k views

MySQL socket and PHP (and other languages)

Background info I'm currently running CentOS (or Red Hat?). uname -a gives (I edited out my domain name) Linux XXXXXXXXX.com 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011 x86_64 ...
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42 views

Reducing Number of MariaDB/MySQL Threads

So I'm running a MariaDB 10 database on a single core server; not super powerful, but then my needs aren't huge either. However, one thing I've noticed is that if I look in htop I have around 28 ...
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50 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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76 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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43 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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313 views

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

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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0answers
152 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: ...
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91 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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49 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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145 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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214 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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0answers
139 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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0answers
34 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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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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18 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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166 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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102 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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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, ...
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4k 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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54 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 : ...
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522 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 ...
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316 views

Force mysqldump encoding

I have two mysql servers, viewed from the same mysql client, right_server is rendering the french characters correctly, wrong_server is not. Encoding is the same : $ mysql -h right_server -NBe "SHOW ...
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0answers
1k views

Fedora Failed to get D-Bus connection

I have a VPS with fedora 16 installed. I have setup mysql and it was working a couple of days ago. Now suddenly when I try to start mysql I get the error: Failed to get D-Bus connection: Failed to ...
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644 views

Can't make a copy of /var/lib/mysql/ibdata1

I have a RedHat Linux server and I'm trying to make a copy of /var/lib/mysql/ibdata1, but I'm receiving an error saying permission denied and the file cannot be opened. I'm logged in as root user and ...
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12 views

MySQL Cluster node crashed, how to re-add in cluster?

We have 2 data node in mysql cluster, and one of them got crashed (totally). I have re-install new OS and now i want to re-add same node back to cluster. How to do that without re-starting whole ...
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268 views

MySQL Workbench warning when connecting to MariaDB

When using MySQL Workbench 6.3 on Kubuntu 15.10 and MariaDB Server version: 10.0.22-MariaDB-0ubuntu0.15.10.1 (Ubuntu), I get the following warning. Is this expected? Incompatible/nonstandard ...
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35 views

FreeBSD - slow remote mysql

I have classic webhosting and VPS with FreeBSD. The website is on webhosting and mysql server is on VPS. When I try to remotely connect from webhosting to mysql server, page is loading very very slow ...
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42 views

The curious case of high 5 min load average

Looking for some expert advice here. I'm a first time sys admin on my own server and I can't figure the bottle neck in my server. Linux CentOS 6 Apache 2.4 PHP 5.5 I've been receiving tons of high 5 ...
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51 views

Installing mysql-server always prompts me to configure mysql-server-5.5

This is so confusing, I am trying to install mysql-server using this command sudo apt-get install mysql-server but it displays these lines Reading package lists... Done Building dependency tree ...
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42 views

Linux huge IOPS difference - same disks

I've been investigating for some time regarding some IOPS issues I've been experiencing.. And my mind is getting crazy! I have two servers (one bought 2 weeks ago, another 1.5 years ago) that I ...
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30 views

SSL/Secure MySQL access with Postfix/Dovecot Mail Server

I have two MySQL servers setup, one in each data center in the US. The east coast db is the master and replicates to the west coast slave db over SSL. When I try to connect my mail server to the ...
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17 views

How to monitor mysql percentage disk utilization?

I am new to mysql world and not sure if there is a way to calculate mysql TableSpace/DiskSpace utilization in percentage. I am aware mysql does not provide upper limit or free space like Oracle DB, ...
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20 views

Does postfix support MySQL connections over SSL

I have a postfix server and a MySQL database server. I setup MySQL SSL and have it working successfully. I can connect from postfix to mysql with the user requiring SSL. The problem I have is, when I ...
0
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0answers
71 views

Is my Nginx,php-fpm and mysql config good enough?

My Setup: Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GH 30 GB Ram 1 Gbps Premimum/Dedicated Line Softwares3 MariaDB 10.0.20 NGinx 1.8.0 PHP with FPM 5.6.8 Our servers gets a LOT of requests (more ...
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0answers
85 views

Uninstall MySQL without removing HHVM on Laravel Forge / Ubuntu 14.04

Since I maintain database and web servers separatly, I wanted to have my Forge's maintained web server without mysql, as it tend to use a lot of memory, even if I don't use it. Trying to run a sudo ...
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0answers
40 views

Strange MySQL with WHM connection issue

I am not really the best way to explain this except state exactly what happened and my basic configuration. I have 1 VPS on Rackspace that has WHM installed on it. This has 3 sites/accounts, that ...
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245 views

HAProxy with Roundrobin working only on 2 of 3 MySQL servers, why?

Good day. I'm following this article to configure HAProxy to balance with roundrobin between 3 MySQL servers (db1, db2, db3) in a MariaDB Galera cluster (working perfectly). However I have a ...
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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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417 views

Installing owncloud8 on CentOS 6

I'm trying to install owncloud 8 on CentOS 6 - the problem is that the default CentOS repos have only php 5.3 - but owncloud 8 requires php 5.4. So following this guy: How to install Owncloud on ...
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24 views

MYSQL dump of tables that start with docs_ from one server to another

The headline says it :) I would need script that dumps all tables from 'ads' database on different server(s2) starting with 'docs_' copied to my server(s1). Any hints? The reason that I need script is ...
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206 views

can't connect to remote host with MySQL…firewall problem?

I've granted privileges to thufir for remote access through the shell (correct?), but cannot seem to actually connect. The router firewall has SPI to off. I've disable the IPv6 firewall on the ...
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0answers
38 views

Postfixadmin keeps loading while adding mailbox

I have configured postfixadmin 2.92. While adding mailbox postfixadmin keeps on loading and does not return any information like mailbox is created. But in mysql the mailbox has been added. Later when ...