Programming :: MySQL Security - Remove The Ability To Make Test Databases?

Sep 29, 2010

I know very little about MySQL, but I've got some users that need it for testing on a Linux server.So I had set it up a while back, but now I'm running into some small problems.Right now, each user has his own database that I created and can do whatever with it. Each user only sees their own database.I didn't want them to be able to create new databases at all, but they can and when they do anyone can see them.

EDIT(Apparently they can only create databases beginning with the word "test" in the name)

I need to either:

1) Stop them from creating new databases (without affecting their ability to interact with the existing database)


2) Make it so that when they create a database, only they have privileges on it and only they can see it (except mysql root of course).

Anybody know the statement to set these kinds privileges up?

EDIT: pfft... I've a read a bit more and realize that this is an intended part of the installation.


I'd still like to remove the ability to make test databases.

EDIT3:Ok, for reference this is how you prevent users from making and using test databases:

shell> mysql -u root -p
Enter password: (enter root password here)
mysql> DELETE FROM mysql.db WHERE Db LIKE 'test%';

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Ubuntu Security :: Remove The 6600/tcp Connection Ability From XWindow?

Apr 15, 2011

I've been reading a lot of articles on Xorg XWindow System having the ability to allow 6600/tcp for remote screen connections and I've been trying to find a way to remove the functionality without having to just dump XWindow and settle for CLI on my server. I heard it was disabled by default, but I just want to get rid of that ability completely by cutting it out of it's code and yes, I'm feeling very, very paranoid.

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Jun 18, 2010

I was having issues with MySQL Server and uninstalled it. I still have my databases at /lib/var/mysql.

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Jan 20, 2010

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Mar 25, 2010

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Mar 23, 2010

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Ubuntu Installation :: Warning - Can't Create Test File /var/lib/mysql/mosty.lower-test

Mar 15, 2010

I am trying to install mysql i downloaded the binary package, i extracted it and then followed the instructions that were in the manual but i keep getting this error when running this command


scripts/mysql_install_db --basedir=/home/mosty/mysql

the error is


Installing MySQL system tables...
100315 20:07:27 [Warning] Can't create test file /var/lib/mysql/mosty.lower-test
100315 20:07:27 [Warning] Can't create test file /var/lib/mysql/mosty.lower-test


You can try to start the mysqld daemon with:

shell> /home/mosty/mysql/bin/mysqld --skip-grant &

and use the command line tool /home/mosty/mysql/bin/mysql to connect to the mysql database and look at the grant tables:

shell> /home/mosty/mysql/bin/mysql -u root mysql
mysql> show tables

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Aug 12, 2010

Quick searches did not bring forth any standard solution.

I have installed Ubuntu Server 10 (x64) using LVM with two disks (this is a Virtual Machine on VMWare ESXi4)

During install I selected only disk 1, and LVM guided Installation Added LAMP and SSH

Server gives only a text mode configuration, great if you are a linux guru, but I am not so it took a bit to find a stripped down GUI. None could be found but I did the following:

apt-get install xorg gdm gnome-core (minimal Gnome install)
apt-get install gnome-system-tools (users and *****s, time)
apt-get install gnome-network-admin (network config)
apt-get install update-notifier (updates)


I have created a similar system with Ubuntu, now I wish to move the var/www directory to sda1, and the databases from MySQL.

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Sep 18, 2010

Trying to set up a backup for mySQL databases in CRON.

I've entered the following line in /etc/crontab:

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grep CRON /var/log/syslog shows:


If I run the command outside of CRON, it creates the backups no problem, but CRON is not doing anything.

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Mar 8, 2011

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Mar 9, 2010

I have a system with opensuse 11.0 and mysql

After changing the administrator password only information_schema and test databases are shown in GUI tools (webmin or mysql administrator GUI tool). After the error I restored the password to the old used

if I use mysql in terminal, and use show databases; I can see the 7 databases that I have.

I aslo cannot access to any field using GUI tools (cannot acces to database permissions, or MySQL Server Configuration, host permissions or MySQL system variables). The error is:

DBI connect failed : Access denied for user ''@'localhost' to database 'mysql'

Do you know how to restore the view/access to databases?

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Jun 8, 2010

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The stuff on the server weren't horrible important but it would still be nice if I were able to recover some of the files. This is the thing, I don't think the harddrive is entirely dead because it comes to a screen saying harddrive error something enter to continue then it says GRUB in the upper left corner before the computer crashes/reboots.

So I installed Ubuntu server on a new HDD and now I want to attempt to recover the databases from the old HDD by mounting it in Ubuntu but before trying I would like to know who one does that. As I've understood it's a bit more complicated then one might thing because MySQL uses binaries and not plain-files.

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[root@serv ~]# /etc/init.d/mysqld stop


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b14:~# fdisk -l
Disk /dev/sda: 164.6 GB, 164696555520 bytes
255 heads, 63 sectors/track, 20023 cylinders


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P.S. There's a bet going on around me as to just how awesome SU is. Let's see what you've got.

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It just hit me while typing this. Is it possible to create a user without a shell to prevent login via SSH and set the home folder to /sites/whatever instead of /home/username? That would allow me to continue operating with my current configuration and root them in their site while preventing SSH logins.

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Sep 21, 2010

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Two things I don't understand:

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2 - Where did the original "sane:124" ownership come from?

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May 23, 2011

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Reason of removal: it looks like the mysql setup is really corrupt, so I want to remove, and then do a fresh install. Running Ubuntu 11.04 64-bit

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Reading package lists... Done
Building dependency tree
Reading state information... Done
Package mysql-server is not installed,


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May 18, 2011

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Feb 8, 2011

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I have this in httpd.conf

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I have this in


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