I am trying to learn PHP and MySQL and while I reached a chapter on MySQL I was asked to create a database using this command:
CREATE DATABASE publications;
After I typed it in the mysql console I got this error:
ERROR 1044(42000):Access denied for user ''#localhost' to database 'root'
I am already logged in to my administrator account so I think the privileges should't be a problem.I have installed with the XAMPP package.
How can this be solved?
It could be possible that you upgraded your version of EasyPHP or you did something to disable the root password. If that is the case, you should try reestablishing a password for root. Had the same problem and that's how I solved it.
Go to http://localhost/xampp/ and set the appropriate passwords (in Security tab). If you use mysql client program, make sure you call it with appropriate credentials: mysql -u <username> -p <password>. Username will mostly be root until you create some new accounts.
Then I suggest you use phpMyAdmin for experimenting with MySQL (it should be at http://localhost/phpmyadmin/ )
This is getting a little confused - let me try to answer this.
Mysqladmin is a command line client for administering your mysql database system - you normally don't need to run it once you have mysql working. The shell command line interface to the mysql server is mysql. (If you don't know how to run a shell command line, that's another problem. Also, if you're on Windows, say so, since that has its own challenges.) The arguments are:
mysql -u username -ppassword databasename
if you are running this command on the same server as mysql. Note the lack of space after the -p - that is important.
So, type the above line to invoke the command line interface to mysql. Then you can type your mysql commands. Things like show tables, desc tablename, etc., will work. That is they will work unless you have an authentication problem. But you will know you have an authentication problem because when you tried to run mysql as above, it will fail with some error, like "Access denied for user 'abc'#'localhost' (using password: YES)". This is a nice descriptive error message that points you exactly where the problem is.
Does that help?
You can go back to using xampp or anything else once you've made sure that you know the right parameters by checking with the command line. (Always check with the command line when strangeness happens - it's so much easier than trying to debug through other interfaces.)
Related
Non-coder here, please advise as newbie. I have a MySQL DB on my ISP's server that provides data for a web site. I want to set up a db on my localhost that I can use for local development. The DBs don't need to be linked, nor do they need to remain synchronized. I just need to start with a current copy of the ISP version.
I have used PHPMyAdmin on ISP to download what I think is a dump file. the file, [mydbname].sql shows the schema and all the data. I just can't figure out how to import it in MySQL Workbench on my local PC.
Using the MySQL Workbench Data Import tab, if I execute "Import from Dump Project Folder" where the .sql file is located, I get "There were no dump files in the selected folder."
If I select "Import from Self-Contained File" and select my ***.sql file, I get "ERROR 1142 (42000) at line 31: CREATE command denied to user 'root'#'localhost' for table 'account' Operation failed with exitcode 1"
I've attempted to give 'root'#'localhost' all privileges.
I'm guessing there's an issue with privileges. If there's another way to do this, I'd be thrilled to know it. Many thanks!
If what you have is a sql dump file then try this on the CLI:
mysql -h hostname -u user --password=password databasename < filename
Assuming of course that has the right privileges.
Non-coder here, please advise as newbie.
In that case, download heidisql : https://www.heidisql.com/
It also makes copying tables and database from server to server very easy.
Apart from that: there is most likely something wrong with your privileges. But you might have made that worse by trying to give privileges to root. The root user can already do everything. So maybe also have a look at this post : How can I restore the MySQL root user’s full privileges?
After I upgraded MySQL 5.7 to MySQL 8.0, I started MySQL again and I got an error:The user specified as a definer ('mysql.infoschema'#'localhost') does not exist' when trying to dump tablespaces.
I don't understand why this problem occurs. And I want to know how to solve it
I had the same error when I accidentally downgraded my MySQL version from 8 to 5.7. At the first start the older version broke something so that version 8 was showing the error above.
In my case I had to enter the docker container where MySQL was running first
docker exec -it mysql bash
Then I basically followed the steps here
mysql -u root -p
mysql> SET GLOBAL innodb_fast_shutdown = 1;
mysql_upgrade -u root -p
This took some minutes but then everything was working again.
It may occur after some time after you set up your new system.
As a suggested solution, just try on Windows
1) open cmd.exe as Administrator
2) run mysql_upgrade.exe -uyour_user_name -pyour_password
mysql_upgrade.exe can be located at
C:\Program Files\MySQL\MySQL Server 8.0\bin
Then run the following to see if the infoschema user has appeared.
select user, host from mysql.user;
In my case, such error was caused by that I had changed the host of the dba user from % to localhost to strengthen the security.
I used "abcdba" with DDL right to create db schema, and used "abc" with CURD right for the Web service to use the DB. After the change, the read operations were OK but the write operations failed with the error message in the OP.
Flush privilege or restarting the server did not solve the problem. Then I changed to host of the dba user back to %. Then things have become normal again.
Apparently mysql does not like the changes of host of the dba user, and existing databases created by that dba user will have problem if the host of the dba user is changed.
Essentially, changing the host of the dba user is actually removing user abcdba#% and creating a new user abcdba#localhost. Here had come the error message, since abcdba#% and abcdba#localhost are 2 differently fully qualified usernames.
I'm trying to login to my mysql user created by the MySQL installation in bash shell.
So the command I'm trying to do is:
sudo -i -u mysql
But, it does nothing (nothing printed out in the console, not connected to any user whatsoever, etc...).
EDIT: The return value of the command is 1 though.
Here is the mysql user line in the /etc/passwd file:
mysql:x:89:89::/var/lib/mysql:/bin/false
I'm running on ArchLinux 64bit and the user I'm trying to connect to is local (no connection to a remote server whatsoever).
I'm trying to understand why I can login with any other user (like postgres, root, ...) but not mysql.
Hope you can help!
This is intended behaviour. When you compare the /etc/passwd line with other lines you'll notice that the user mysql has /bin/false setup as the shell while others have usually /bin/sh or sth. similar.
When you sudo to mysql you actually get a login for about a millisecond or so and then his "shell" gets executed. /bin/false immediately returns with rc=1 (that's the only purpose of the false command).
This is some kind of "trick" to prevent users from logging in as user mysql although the account is otherwise fully operational.
The user mysql may even have a valid password and be enabled but due to his odd shell setting you cannot login as him. Sometimes these technical users have /usr/bin/passwd set as their shell. Then you can only sudo to that user and change his password, nothing else.
I am able to login with root - "No password", But i can't change password. I checked many links , everybody saying to run update query on user table , but i even can't find user table in phpmyadmin.
Error I am getting is :
$ /usr/local/mysql/bin/mysqladmin -u root -p password
Enter password:
New password:
Confirm new password:
/usr/local/mysql/bin/mysqladmin: Can't turn off logging; error: 'Access denied; you need (at least one of) the SUPER privilege(s) for this operation'
Any help will be highly useful
PHP My ADMIN (Screenshot): http://awesomescreenshot.com/021cxa0fb
Error: http://i47.tinypic.com/1j1b0m.png
Additional screenshot: http://i48.tinypic.com/w9vbtl.png
Additional screenshot 2: http://i48.tinypic.com/4rymps.png
it seems to me, that you use phpmyadmin to look for the table. if so, you won't see all tables. you have to log in to mysql as root with the "mysql" command in the terminal:
$ mysql -u root
then you can run the "update user..."-command (you don't have to see the table containing the user informations)
another idea: when you use the -p in the command line, you are not allowed to write the password next to it (it will ask you later on). if you write something after -p it will think that this is the database name...
From the additional information you have posted in comments it appears that your MySQL root user no longer has root privileges on your system. After performing a quick search looking for mysql reset root privileges I found this blog posting that appears to give detailed instructions on how to restore root privileges to your root account.
BEWARE, I have not tried these steps and they are from 2009 and it's possible that MySQL may have changed internally from when these instructions were created. However, that being said, the comments on the posting are positive (of course, the comments could be fake).
My recommendation is to backup the directory (or directories) containing all of your MySQL data and then trying these steps EXACTLY as they are laid out.
Looking more closely at these instructions they appear valid to me. I noticed that they involve taking down the MySQL daemon, restarting MySQL with an option that turns off all table security and then executing updates to add rights back to the root user. I now recommend giving these steps a try.
To set the root's password:
/usr/bin/mysqladmin -root password 'new-password'
try to know if mysql daemon is up:
/usr/bin/mysqladmin -u root -p ping
if not alive try :
/etc/init.d/mysql start
& verify that mcrypt package is installed.
I solved the Problem , Thanks for all.I reinstalled the mysql server as per following guide , the problem was I updated password directly to the mysql.user table with update query , its wrong , since the password should be stored as encrypted in mysql.user table , if we updating it directly through query then it will be a string.
Excellant guide : http://blog.mclaughlinsoftware.com/2011/02/10/mac-os-x-mysql-install/
Thanks again for everybody :)
I'm having some serious trouble with a freshly installed copy of mySQL server under Ubuntu 10.10. I installed with apt and supplied a password at that time. Installation went fine, but the server is behaving very strangely.
First, to test the database, I created a php file with
mysql_connect("localhost", "root", "myPassword") or die(mysql_error());
where myPassword is the one I entered when it asked, during installation. That gave me an access denied error. I tried to shell into the mySQL server to pursue a solution I read about. The normal syntax didn't work, and to get anything but "access denied", I had to do
mysql -u root password myPassword
However, instead of a mysql shell, it just spits out a list of parameters and variables. So at this point, I'm stumped; I haven't worked with mySQL through a command line in a couple of years, but none of this behavior is familiar, and I can't find a way to interact with the server.
Any help would be appreciated.
The mysql command-line parameter for supplying a password is -p, not password. You should also leave out spaces. For example:
mysql -uroot -pmyPassword
If you don't want to risk your password being exposed...
mysql -uroot -p
...will prompt you for your password and hide the characters as you type them.
If you have apparmor installed (this is default) it can cause problems when you go outside the narrowly-defined defaults set up by ubuntu.
The things that mysql is allowed to touch is defined here: /etc/apparmor.d/abstractions/mysql
If you've put your socket file elsewhere, you would get an access-denied message.
To look at things more closely, run your mysql client like so:
strace -e file mysql <blah blah>
This will print out any system-level file operations on stderr. You can then see exactly which operation is causing the permissions error. If you don't see an issue, you might use -e network instead, to see network operations.