I have MySQL installed on a Windows 2003 server on our domain. I cannot connect to it from other machines on the domain. I open up the MySQL Administrator panel and try to change the server name from localhost to the machine name it does not recognize it. I have tried fully qualifying the name also. Any ideas what I need to change?
What sort of error, a total inability to connect? Windows Firewall is the first place I'd look, to make sure port 3306 is open.
have you double checked permissions on the databases using something like
grant all priviliges on 'database'.'*' to 'username'#'remote_machine_ip' identified by 'password';
Like Sukasa mentioned, also double check any firewalls you may have configured
You need to look in the my.cnf file and look for the bind-address setting and the skip-networking setting. You want the latter removed or commented out and the former to be the machine's IP address. Restart MySQL after you make changes.
A number of MySQL install packages defaulted to a local socket only install, which is helpful for security but considerably impairs network connectivity. :-)
I was trying to connect to the database using the default root userid. I created a new user and gave this user read permission to the needed tables.
Related
I have seen a lot of posts that claim they are running an RDS instance of MySql in which they cannot connect to, but I am not running RDS.
I used my EC2 insance to host my wordpress blog which was installed using the Web Platform Installer.
This setup the wordpress schema and data that I needed and I have been running it for a couple years.
I want to be able to access this database remotely instead of only logging into my server.
I have checked and have the following users
root
wpadmin
I have also verified that the port specified in the mysql config is the standard 3306 and I have setup an Inbound Firewall rule to allow 3306 through.
When I try to connect from MySql Workbench, I get the following error message:
Number 3 Is particularly one that I do not know how to check, but I do know that MySql is running and that it is running on 3306. Additionally, I know I am using the correct password.
When I try to connect, the prompt looks like this. Do I need to do something to grant Mysql user permissions or anything?
Based on your GRANT information, you have at least the problem of root user only having access privileges from localhost. You would need to create a root#% user (or a more specific host/IP instead of % if you have a reliable address). That would allow external access so long as your EC2 security group also allow access on port 3306 (either globally or to a more restrictive IP address or IP range).
Of course the security implication here is that you are opening up access to MySQL that you might not want to make more accessbile to potential attackers. For this reason, I would recommend you access your DB via SSH tunnel, which is supported by MySQL workbench. This will in essence allow you to shell into the host your your access key and then access as root#localhost.
I has had two days searching and exploring solutions regarding the error 2003.
Can't connect to mysql server on 'Server name'.
The firewall is off and I had added the port 3306, the one that mysql uses.
Any recommendation?
Please refer this FAQ which describes how to solve this issue: http://faq.webyog.com/content/23/15/en/error-no-2003-can_t-connect.html
Error No. 2003: Can't connect to MySQL server on 'localhost' (or some other host)
simply means that connection is not possible for one of the following (or similar) reasons:
There is no MySQL server running at the specified host
Connection to the MySQL server is not allowed using TCP-IP. Check the 'skip-networking' setting in the MySQL configuration file (my.ini on Windows, my.cnf on Unix/Linux). It shall be commented out like '#skip-networking'. If it is not commented out, then do it and restart the MySQL server for the change to take effect. SQLyog needs to connect using TCP-IP.
Some networking issue prevents connection. It could be a network malconfiguration or a firewall issue.
When trying to connect to a MySQL server at an ISP this error message often indicates that direct connection to MySQL has been blocked. You must then use HTTP-tunneling or SSH-tunneling to connect.
It worked for me.controll pannel->administrative tools->services->mysql and start mysql.Some times simple solution saves lot of time.
normally means that there is no MySQL server running on the system .
check your server running
this could be due to firewalls of the system try below command and check
service iptables stop
i have the same issue but i fix it.
my hostname is DEBIAN, i just modify the file my.cnf ( for mysql) and set bindaddress : 0.0.0.0
this option say to mysql to listen all interfaces. restart your server and finish
if your question refer to can't connect to mysql on hosting (cpanel), i also had same problem.
I also turn off firewall, but it doesn't solve my problem.
Rather than using server name or domain name on Mysql Host Address, i using ip address given by hosting provider.
And it works.
Going to services and starting MYSQL service doesn't work for me.
Finally, I hit the following commands inside the MYSQL command-line client:
ALTER USER 'username'#'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
There is a high chance that you are making one of the two mistakes.
First :
You are inputting the wrong password. check your password or change it with
this command
ALTER USER 'root'#'localhost' IDENTIFIED WITH mysql_native_password BY 'very_strong_password';
In place of 'very_strong_password' give a strong password of your choice.
Second:
You are using '#' in the password which can be confused with the other with #localhost.
The SQL Sever might not be installed.
Please refer this to install:
MySQL
The solution worked for me
Go to services and start MySql services
window: press the start button and search services. Then star MySql services
I got mysql database in the phpmyadmin, and i try to connect to the database from my application.
My connection string is:
Server=12.919.18.12;Port=3306;Database=hbd;Uid=hb;Pwd=123;
An exception occurs:
"Unable to connect to any of the specified MySQL hosts."
Do I need to install mysql or something?
(I just imported MySql.Data.dll and tryied it. Is there anything I have forgotten? I checked the ip pinging my website).
Connection strings for MySQL
is pretty helpful in terms of connection strings. Your connection
string seems to be invalid.
You may check mysql server is working or not and you can add port number of mysql in connection string like this
"Server=myServerAddress;Port=1234;Database=myDataBase;Uid=myUsername;Pwd=myPassword;"
Other reason MySql might be configured to listen to only the local host.
Follow the following links for more information:
Enabling MySQL Remote Access - MySQL connection only works from local machine
Unable to connect to any of the specified MySQL hosts.
IP is invalid 12.919.18.12
Server=12.919.18.12;Port=3306;Database=hbd;Uid=hb;Pwd=123;
IP block is < 256
If the datababase is local, try localhost or 127.0.0.1 as the IP address.
Is the server on your network? If so, the IP is invalid. If I were you, I'd try to check the IP with the person who gave it to you.
the connection string is correct but as ive read a lot of forums they all have the same problems as you do. my solution is that if your trying to create a network base system on a LAN type network you should use XAMPP or WAMPP but i prefer xampp and double check if your accounts or users have an Admin or any other user name for your connection and then see if they have granted all the privileges and with password of course.
Here is the ff instructions:
Open Xammp
Then open a web browser then open 127.0.0.1 or localhost.
click phpmyadmin then at the top click privileges.
add user and make it sure allow all privileges and check all access.
then connect again using the same connection string with the proper user and password.
This issue is RESOLVED :)
try to put the PORT in the end like :
"Server=12.919.18.12;Database=hbd;Uid=hb;Pwd=123;Port:3306;"
Problem
Users from other IPs on the (Windows XP) LAN suddenly cannot connect to my local MySQL server.
Background
I've set up MySQL on my local Windows computer so that other computers on the network have access to the root account. I've added each IP as a host for root. Up to some weeks ago, things worked flawlessly and I could connect to the server programatically and using various MySQL admin tools. Now, however, the MySQL server simply refuses connections from those IPs and I can't figure out why.
The network changes that I've done are: changing network card for two (of three) computers and fiddled around with MySQL settings. None of which should have caused this problem. I've tried adding a new user with all relevant hosts, but I get the same type of error:
MySQL Error number 1045 Access denied
for user 'root'#'shop' (using
passwords: YES)
The odd part is that the computer name, 'shop', is used instead of the IP. I don't know why.
Somehow, IPs seem to be resolved now and hostnames are used. Did you grant access to root#shop? Did you flush privileges?
First thing that pops into mind is Windows Firewall, which could have got re-enabled if you swapped NICs on the host computer.
My next suggestion would be to use a sniffer like Wireshark on the host computer and see what exactly happens packet-wise. You can use filters to make to reduce the output - they're very simple and easy to use. This tool has saved me countless hours of debugging.
-EDIT-
Another possible cause might be that your server somehow decided to resolve IPs to hostnames, in which case ip addresses may no longer work - one would need to add hostnames to the allowed list. Not sure if it works this way for MySQL though.
Could you have turned off TCP connections in MySQL?
Also, is the MySQL port open in your firewall?
If you changed your IP (DHCP?), make sure to correct it in my.cnf if you bound mysqld to your lan ip:
[mysqld]
...
bind-address=192.168.x.y
I'm on a mac server. From my home directory, I can get to mysql on the command line. But apps I install (I've tried phpMyAdmin and then Wordpress) can't connect to mysql#localhost.
Suggestions on troubleshooting the problem?
Also, how can I tell what port mysql is running on?
Try specifying 127.0.0.1:3306 as the host and see if that works...
Edit from comments:
Use netstat -a to check which
port MySQL is listening on.
Check to make sure you have the mysql extension installed.
More information: http://us2.php.net/mysql
Make sure you have explicitly listed localhost when you granted permissions to the user. For example, if you have a database named blog which is accessed by a user named wordpress, you need to create the user with this:
grant all on blog.* to 'wordpress'#'localhost' identified by 'blahblah';
I believe that the mysql command-line utility uses Unix file sockets to connect, which bypasses any hostname or DNS restrictions.