NOTE: The full discussion to the answer in this question is in a chat link in the comment section below, above the submitted answers.
The summarized answer is in checked answer.
After meddling with installing the gem for mysql2 and successfully doing that I type
which mysql
and it returns
mysql: aliased to nocorrect mysql
I'm not sure what this means.
Then I type in
mysql --version
and it outputs
mysql Ver 14.14 Distrib 5.5.20, for osx10.7 (i386) using readline 5.1
So I know mysql is installed.
Finally I want to configure a database for my rails app so, from within the correct directory I type:
mysql -u root -p
It asks me for a password and, since there is none, I leave it blank. It outputs this:
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
I've been reading around for a solution but I don't understand any of them. Like finding a file called my.cnf or a folder called etc within the rails framework files...
It's trying to connect over unix sockets instead of tcp/ip. Try adding -h param eg
mysql -h localhost -u root -p
edit: Just read your question a bit closer. "mysql" being installed just means you have a client, not the server itself. Check you have mysqld installed.
mysql --socket=/var/lib/mysql/mysql.sock -u root -p
also read this
Here is what finally allowed me to create a freaking database in my rails apps through terminal after dealing this error.
I downloaded mysql's .dmg 64 bit version from here:
http://dev.mysql.com/downloads/mysql/
and then I followed the instructions in the README file. That was the most important part.
Thanks for the help everyone.
EDIT:
This didn't answer the question entirely for me since mysql stopped working.
After installing .dmg version I had to update the bash_profile file.
Here is where the instructions are:
Should I reinstall Mysql?
Related
I use windows and I have previously installed mysql 5.5 for some legacy project, and now I want to use 5.7 for a new one, so I installed 5.7 in another directory, on another port and having different data directory, my problem is when i launch mysql from cmd like:
W:\MySQL57\bin> mysql -u root -p
It results in this:
W:\MySQL57\bin>mysql -u root -p
Enter password: *****
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.5.54-log MySQL Community Server (GPL)
And I am definitely sure that MySQL57 is directory for 5.7 MySQL, so what's wrong with mysql command line tool and how can i fix it to be able to use both mysqls in cmd?
The mysql command you are using is probably the 5.7 version, you can check this with :
W:\MySQL57\bin>mysql -v
But this is just the client !
The problem is your server version, you may have 2 versions running (5.5 and 5.7), and as you haven't specified the port you are using the default one which is used by the first server (5.5).
Try to find the port for the second version (3307 ?) or kill the 5.5 server when you are connecting to the 5.7.
You are calling the default mysql set in Environment Variable. If you want to use a specific mysql, you need to provide the path too
W:\MySQL57\bin>"W:\MySQL57\bin\mysql" -u root -p
In case of mysql not working, you can call mysqld.
If you want mysql 5.7 to be default, just change it from Environment Variable https://dev.mysql.com/doc/mysql-windows-excerpt/5.7/en/mysql-installation-windows-path.html
What can I use instead of mysqldump to extract information from db to any file?
I need to give back my computer and save information from it. Buy when I tried to save data base I had I faced a problem:
$mysqldump5 x -u root > x.150124.sql
mysqldump: Couldn't execute 'SET OPTION SQL_QUOTE_SHOW_CREATE=1': You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OPTION SQL_QUOTE_SHOW_CREATE=1' at line 1 (1064)
In internet people face such a problem because they have new mysql and old mysql dump. And they recommend to install mysql56. My versions looks similar:
$ mysqldump5 --version
mysqldump Ver 10.13 Distrib 5.1.66, for apple-darwin11.4.2 (i386)
$ mysql5 --version
mysql5 Ver 14.14 Distrib 5.1.66, for apple-darwin11.4.2 (i386) using readline 6.2
but nevertheless I tried to install mysql56 using MacPorts (similarly to my previous mysql installation) and failed to do it because of errors py27-setuptools stage. All this problems looks quite complicated to solve and it is not guarantied that new problems wouldn't appear and I need the result quickly.
So I ask if there any other ways to store DB information. I don't really care about "clean solutions" and state of the system afterwards, since it will be reinstalled in any-case.
How about
select ... into ... outfile
here is more info on it...http://dev.mysql.com/doc/refman/5.1/en/select-into.html
edit: even better link http://www.mysqlfaqs.net/mysql-faqs/Data-Back-Up/Export-Data/How-to-use-SELECT-INTO-OUTFILE-statement-to-export-data
The quickest way, which I found is to stop current server:
mysqladmin5 shutdown
and install mysql5.6.22 from dmg package (mysql community server for osx10.9), avoiding mac ports.
After that
/usr/local/mysql-5.6.22-osx10.8-x86_64/bin/mysqldump -u root x > ~/x.150125.sql
did the job.
P.S. I don't accept this answer because it doesn't provide alternative solution for dumping. Therefore I accepted #Jose Martinez despite I didn't used that solution.
I have a MySQL database which is hosted in Azure, and I have MySQL Workbench installed on my laptop. I want to do some importing from a CSV file located in my laptop, but whenever I try to that, I get an error message saying:
The used command is not allowed with this MySQL version
I did some online searching, and I found out that I need to run the following command:
mysql -u myuser -p --local-infile somedatabase
But, I don't know where I have to run it, and how, while as I said my database is hosted in Azure.
mysql is just the commandline executable of the MySql client. And most probably it is even part of the MySql workbech - just check the MySQL Workbech working folder. But the result will not be different is my guess.
The best way you can manage Import/Export for MySQL is to use a Free Tier WebSite and Install the phpMyAdmin extension.
I can successfully connect to MySQL from a DOS prompt, but when I try to connect from cygwin, it just hangs.
$/cygdrive/c/Program\ Files/MySQL/MySQL\ Server\ 5.1/bin/mysql -u root -p
What's wrong?
I just came across this, and when I read someone's mention of it being a windows/DOS command that you run in cygwin I did a which mysql and that gave me:
$ which mysql
/cygdrive/c/Program Files/MySQL/MySQL Server 5.5/bin/mysql
So I ran the cygwin Setup.exe searched for "mysql" and installed the latest "mysql client". Now which mysql looks like:
$ which mysql
/usr/bin/mysql
And the MySQL command works in cygwin :)
Though it's an old question, it would be nice to have the actual answer here, as people (like myself) might still stumble across it.
If your attempts to run the MySQL client from Cygwin return the following error:
$ mysql -u root -p
Enter password:
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysql.sock' (2)
Then you can fix it by adding the explicit -h 127.0.0.1 options to the command line, as in:
$ mysql -u root -p -h 127.0.0.1
Updates based on comments:
To avoid specifying -h 127.0.0.1 on the command line every time you connect, you can add:
[client]
host=127.0.0.1
to the file /etc/my.cnf
On some installations of Cygwin, specifying the host with -h might not be enough. If so, try also specifying:
--protocol=tcp
or add
protocol=tcp
to the config file.
Assuming that you have a native Windows build of MySQL, there is a terminal emulation incompatibility between DOS (command prompt) windows and bash. The prompt for mysql isn't showing up.
To confirm this, type a command and return - it will probably work, but the prompt and the echo of the command (what you're typing) is getting lost.
There may be a workaround in either the CYGWIN sytem properties or in bash, but I've never taken the time to work this one out.
Other answers lack the following key detail:
Cygwin has two shells:
Default: c:\cygwin\bin\mintty.exe
Basic: c:\cygwin\Cygwin.bat (which launches c:\cygwin\bin\bash.exe)
The Win32 MySQL can write properly to #2, but not #1, because Win32 MySQL cannot probe stdin properly (thanks #PeterNore)
Want to know if you're using Win32 MySQL? Use which, e.g.
$ which mysql
/cygdrive/c/Program Files/MySQL/MySQL Server 5.1/bin/mysql
Bonus: Cygwin guide to overcoming path problems (thanks #Dustin)
I posted a solution/workaround here:
enter key sometimes not recognized in windows apps under cygwin
Run bash from the cmd.exe executable and then mysql will work inside bash.
Create a shortcut for cmd.exe on your desktop.
Open up the properties for the shortcut and change the startup directory to the cygwin bin directory (usually C:\cygwin\bin).
Add "/c bash.exe" to the end of the command in the target parameter.
This will run bash under the windows cmd.exe environment and when you attempt to run mysql it will execute as you would expect. This is working under windows 7 but has not been tested in any other version.
Put cygwin bin directory in path env variable.
Use command window by running cmd
Run bash -l in cmd window
Then MySQL can be run without problem.
Svend Hansen's answer is the right one:
Install windows mysql server files (from mysql-5.5.25-win32.msi for example)
Install Cygwin mysql client with cygwin installer (setup.exe)
Connect to your server in a cygwin window using cygwin client "mysql -u[user] -p[Password] -h[host]", in my case "mysql -uroot -pXXXX -h127.0.0.1"
I think that when the question was posted, the cygwin setup did not provide mysql components, which is solved now.
Althoug Svend Hansen answer has some points, another thing is the PATH in Environment variables - if the path to mysql is before that of cygwin
which mysql
will show
/cygdrive/c/Program Files/MySQL/MySQL Server 5.5/bin/mysql
otherwise it will show the cygwin client.
As reference Wikipedia says:
Some programs may add their directory to the front of the PATH
variable's content during installation, to speed up the search process
and/or override OS commands.
Download Cygwin
Install mysql client app
create an alias in .bashrc file
alias mysql='mysql -h 127.0.0.1'
execute source .bashrc
Now you can connect to mysql
mysql -u user -p
I have created a semi-fix for this that satisfies me.
I ran cygwin.bat in cmd.exe, then typing mysql in- everything worked fine.
I realized right there that the problem was mintty.
Easy solution? Download Console2, and under settings you can point
it to the cygwin shell. Restart Console2, run mysql and the output
appears.
This is advantageous anyways, because Console2 has a more robust interface/customization than Mintty. I really like the transparency and color mapping options.
Do This:
just copy ur mysql.exe from C:\Program Files\MySQL\MySQL Server 5.5\bin
paste this mysql.exe in C:\cygwin\usr\local\bin
now run which mysql, It will
Disclaimer: The following solved this issue for me under MinTTY on MinGW/MSYS. From research, I believe this same root cause affects Cygwin as well.
Answer is posted here: https://stackoverflow.com/a/23164362/1034436
In a nutshell, you'll need to prepend your mysql command with winpty's console.exe (or have aliases that does so). This solution worked with native Windows MySQL executables and not a special cygwin/mingw build. You do, however, have to compile winpty, but that was simple and painless, and worked as per their documentation for me.
Note: This also solved my issue with several other native Windows console applications, namely Python and Mercurial with OpenSSH.
Reinstall cygwin and during reinstallation search for mysql in packages, install the mysql client and then it would work fine.
Found this question today 2018-03-18 looking for some answers to
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysql.sock' (2 "No such file or directory")
The file /etc/my.conf references config files in /etc/my.cnf.d
I added this to /etc/my.cnf.d/client.cnf:
[client]
host=127.0.0.1
protocol=tcp
After that I was able to access the local windows MySQL instance from a cygwin terminal using mysql -u root -p
I can successfully connect to MySQL from a DOS prompt, but when I try to connect from cygwin, it just hangs.
$/cygdrive/c/Program\ Files/MySQL/MySQL\ Server\ 5.1/bin/mysql -u root -p
What's wrong?
I just came across this, and when I read someone's mention of it being a windows/DOS command that you run in cygwin I did a which mysql and that gave me:
$ which mysql
/cygdrive/c/Program Files/MySQL/MySQL Server 5.5/bin/mysql
So I ran the cygwin Setup.exe searched for "mysql" and installed the latest "mysql client". Now which mysql looks like:
$ which mysql
/usr/bin/mysql
And the MySQL command works in cygwin :)
Though it's an old question, it would be nice to have the actual answer here, as people (like myself) might still stumble across it.
If your attempts to run the MySQL client from Cygwin return the following error:
$ mysql -u root -p
Enter password:
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysql.sock' (2)
Then you can fix it by adding the explicit -h 127.0.0.1 options to the command line, as in:
$ mysql -u root -p -h 127.0.0.1
Updates based on comments:
To avoid specifying -h 127.0.0.1 on the command line every time you connect, you can add:
[client]
host=127.0.0.1
to the file /etc/my.cnf
On some installations of Cygwin, specifying the host with -h might not be enough. If so, try also specifying:
--protocol=tcp
or add
protocol=tcp
to the config file.
Assuming that you have a native Windows build of MySQL, there is a terminal emulation incompatibility between DOS (command prompt) windows and bash. The prompt for mysql isn't showing up.
To confirm this, type a command and return - it will probably work, but the prompt and the echo of the command (what you're typing) is getting lost.
There may be a workaround in either the CYGWIN sytem properties or in bash, but I've never taken the time to work this one out.
Other answers lack the following key detail:
Cygwin has two shells:
Default: c:\cygwin\bin\mintty.exe
Basic: c:\cygwin\Cygwin.bat (which launches c:\cygwin\bin\bash.exe)
The Win32 MySQL can write properly to #2, but not #1, because Win32 MySQL cannot probe stdin properly (thanks #PeterNore)
Want to know if you're using Win32 MySQL? Use which, e.g.
$ which mysql
/cygdrive/c/Program Files/MySQL/MySQL Server 5.1/bin/mysql
Bonus: Cygwin guide to overcoming path problems (thanks #Dustin)
I posted a solution/workaround here:
enter key sometimes not recognized in windows apps under cygwin
Run bash from the cmd.exe executable and then mysql will work inside bash.
Create a shortcut for cmd.exe on your desktop.
Open up the properties for the shortcut and change the startup directory to the cygwin bin directory (usually C:\cygwin\bin).
Add "/c bash.exe" to the end of the command in the target parameter.
This will run bash under the windows cmd.exe environment and when you attempt to run mysql it will execute as you would expect. This is working under windows 7 but has not been tested in any other version.
Put cygwin bin directory in path env variable.
Use command window by running cmd
Run bash -l in cmd window
Then MySQL can be run without problem.
Svend Hansen's answer is the right one:
Install windows mysql server files (from mysql-5.5.25-win32.msi for example)
Install Cygwin mysql client with cygwin installer (setup.exe)
Connect to your server in a cygwin window using cygwin client "mysql -u[user] -p[Password] -h[host]", in my case "mysql -uroot -pXXXX -h127.0.0.1"
I think that when the question was posted, the cygwin setup did not provide mysql components, which is solved now.
Althoug Svend Hansen answer has some points, another thing is the PATH in Environment variables - if the path to mysql is before that of cygwin
which mysql
will show
/cygdrive/c/Program Files/MySQL/MySQL Server 5.5/bin/mysql
otherwise it will show the cygwin client.
As reference Wikipedia says:
Some programs may add their directory to the front of the PATH
variable's content during installation, to speed up the search process
and/or override OS commands.
Download Cygwin
Install mysql client app
create an alias in .bashrc file
alias mysql='mysql -h 127.0.0.1'
execute source .bashrc
Now you can connect to mysql
mysql -u user -p
I have created a semi-fix for this that satisfies me.
I ran cygwin.bat in cmd.exe, then typing mysql in- everything worked fine.
I realized right there that the problem was mintty.
Easy solution? Download Console2, and under settings you can point
it to the cygwin shell. Restart Console2, run mysql and the output
appears.
This is advantageous anyways, because Console2 has a more robust interface/customization than Mintty. I really like the transparency and color mapping options.
Do This:
just copy ur mysql.exe from C:\Program Files\MySQL\MySQL Server 5.5\bin
paste this mysql.exe in C:\cygwin\usr\local\bin
now run which mysql, It will
Disclaimer: The following solved this issue for me under MinTTY on MinGW/MSYS. From research, I believe this same root cause affects Cygwin as well.
Answer is posted here: https://stackoverflow.com/a/23164362/1034436
In a nutshell, you'll need to prepend your mysql command with winpty's console.exe (or have aliases that does so). This solution worked with native Windows MySQL executables and not a special cygwin/mingw build. You do, however, have to compile winpty, but that was simple and painless, and worked as per their documentation for me.
Note: This also solved my issue with several other native Windows console applications, namely Python and Mercurial with OpenSSH.
Reinstall cygwin and during reinstallation search for mysql in packages, install the mysql client and then it would work fine.
Found this question today 2018-03-18 looking for some answers to
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysql.sock' (2 "No such file or directory")
The file /etc/my.conf references config files in /etc/my.cnf.d
I added this to /etc/my.cnf.d/client.cnf:
[client]
host=127.0.0.1
protocol=tcp
After that I was able to access the local windows MySQL instance from a cygwin terminal using mysql -u root -p