ERROR 2002 HY000 Can t connect to local MySQL server through socket tmp mysql sock

Question

I installed MySQL on Mac OS X Mountain Lion with homebrew install mysql  but when I tried mysql -u root I got the following error      ERROR 2002  HY000   Can t connect to local MySQL server through socket   tmp mysql sock   2    What does this error mean  How can I fix it

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This happened after the homebrew install and occurs due to permission issues  The following commands fixed the issue   sudo chown -R  mysql mysql  usr local var mysql  sudo mysql server start

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Solutions revolve around    changing MySQL s permissions  sudo chown -R  mysql mysql  usr local var mysql  Starting a MySQL process  sudo mysql server start    Just to add on a lot of great and useful answers that have been provided here and from many different posts  try specifying the host if the above commands did not resolve this issue for you  i e   mysql -u root -p h127 0 0 1

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As others have pointed out this is because MySQL is installed but the service isn t running  There are many ways to start the MySQL service and what worked for me is the below   To start the service    Go to  System Preference  At the bottom pane there should be MySql icon   Double click that to launch the  MySQL Server Status  and press the button  Start MySQL Server     My env   Mac Yosemite 10 10 3  Installed Package   Volumes mysql-advanced-5 6 24-osx10 8-x86 64

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Run  brew info mysql  And follow the instructions  From the description in the formula   Set up databases to run AS YOUR USER ACCOUNT with      unset TMPDIR     mysql install db --verbose --user  whoami  --basedir    brew --prefix mysql   --datadir  usr local var mysql --tmpdir  tmp  To set up base tables in another folder  or use a different user to run mysqld  view the help for mysql install db      mysql install db --help  and view the MySQL documentation      http   dev mysql com doc refman 5 5 en mysql-install-db html     http   dev mysql com doc refman 5 5 en default-privileges html   Hope this helps

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After trying many solutions  seems like the one that finally did the trick was to connect by IP  No longer file sockets getting deleted randomly   Just update your MySQL client config  e g   usr local etc my cnf  with    client  port   3306 host 127 0 0 1 protocol tcp

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If you are on OSX and have XAMPP then please follow these steps  Thanks to Jackstine s answer  I was able to do the following    cat    my cnf  mysql     CLIENT   port                             3306 socket                            Applications XAMPP xamppfiles var mysql mysql sock  I hope this helps me again when I forget  in the future

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In my case it was simply a matter of deleting a lock file   sudo rm -f  tmp mysql sock lock

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In my case right after installing the MAMP accessing mysql from the terminal was giving the same socket error  At the end all it wanted was a restart and it s working

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For me it was simple as running    usr local opt mysql bin mysqld safe  instead of mysqld

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The designated data directory  usr local var mysql  is unusable  You can remove all files that the server added to it   x000D   x000D  MacOS   brew services stop mysql  brew services list  brew uninstall  mysql   brew install mysql  brew postinstall mysql  If Any error found then run those cmd  sudo rm -rf  usr local var mysql  sudo rm  usr local etc my cnf  brew postinstall mysql    brew services start mysql  mysql secure installation x000D   x000D   x000D    Completed All process of secure installation then run  mysql -u root -p  Congratulations you   ve just set up mysql

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After working on this for several hours what worked for me was go to  etc mysql   and edit the my cnf file   Add the following   client  port   3306 socket    var run mysqld mysqld sock

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Uninstall MySQL  Remove  usr local var mysql   Install MySQL

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I have tried every possible way to solve this issue  like ln -s  var lib mysql mysql sock  tmp mysql sock  uninstall and reinstall mysql  make sure mysql is running on xampp but none of it still worked    Finally  I open up my cnf  config file  and copy the socket path  make sure to copy the full path else it won t work   Then I perform this command in my terminal  mysql --socket  Applications XAMPP xamppfiles var mysql mysql sock   Lo  and behold  mysql launchs   This solution will only work if your MySQL is shown running on Xampp Ampps  but in terminal it is still not connecting to the right socket when you have already attempted something like     mysql -u root   or  brew services start mysql   I hope this helps

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I would recommend you to run     mysql server start   before going to     mysql -u root -p   so as to make sure that the mysql server is running before trying to login into it   This happens many times what you start restart a machine where by no mysql server  is running

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You ll need to start MySQL before you can use the mysql command on your terminal  To do this  run brew services start mysql  By default  brew installs the MySQL database without a root password  To secure it run  mysql secure installation   To connect run  mysql -uroot  root is the username name here

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I managed to solve this issue by changing localhost to 127 0 0 1

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this problem related to  usr local var mysql folder access  I remove this folder and reinstall mysql    uninstall mysql with brew    brew uninstall mysql sudo rm -r  usr local var mysql brew install mysql 8 0 mysql -u root   This solution works fine for me  BUT YOU LOST ALL YOUR DATABASES  WARNING

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Encountered a similar problem after upgrading to Catalina OS  After running mysqld command  I found that there was some issue with the logs file  It could be different for others     mysqld   Issue was  2019-10-16T04 58 59 174474Z 0  ERROR  Could not open file   var log mysql error log  for error logging  No such file or directory 2019-10-16T04 58 59 174508Z 0  ERROR  Aborting   Resolved it by creating it and applying proper permissions   sudo mkdir -p  var log mysql sudo touch  var log mysql error log sudo chown -R  mysql mysql  var log mysql    Restart MySQL  brew services restart mysql 5 7   Issue was resolved   mysql -uroot -proot

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I keep coming back to this post  I ve encountered this error several times  It might have to do with importing all my databases after doing a fresh install   I m using homebrew  The only thing that used to fix it for me   sudo mkdir  var mysql sudo ln -s  tmp mysql sock  var mysql mysql sock   This morning  the issue returned after my machine decided to shut down overnight  The only thing that fixed it now was to upgrade mysql   brew upgrade mysql

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This fixed my issue when I restarted the mysql service  Just run   brew services start mysql

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Looks like your mysql server is not started  I usually run the stop command and then start it again   mysqld stop mysql server start   Same error  and this works for me

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just hit  quot brew services start mysql quot  in terminal

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Try this  rm -rf  usr local var mysql  amp  amp  brew postinstall mysql 5 7  amp  amp  brew services restart mysql 5 7

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I found the solution to my problem  It was indeed because my MySQL server was not running   It was caused by MySQL not being correctly set up on my machine  thus not being able to run   To remedy this  I used a script which installs MySQL on Mac OSX Mountain Lion  which must have installed missing files   Here is the link  http   code macminivault com   Important Note  This script sets the root password as a randomly generated string  which it saves on the Desktop  so take care not to delete this file and to note the password  It also installs MySQL manager in your system preferences  I m also not sure if removes any existing databases  so be careful about that

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Running sudo chown  mysql  usr local var mysql   helped me finally after trying multitude of options from all these SO answers  The issue with permissions probably arose from improper shutdown of the machine

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Warning - this method will remove all of your databases in the  usr local var mysql folder I had MySQL installed with Homebrew  and the only thing that fixed this for me was re-installing MySQL  On my company laptop  I didn t have permission to uninstall MySQL from my computer via Homebrew    brew uninstall mysql --ignore-dependencies Uninstalling  usr local Cellar mysql 8 0 12     255 files  233 0MB  Error  Permission denied   dir s rmdir -  usr local Cellar mysql 8 0 12  So instead  I removed and reinstalled MySQL manually    sudo rm -rf  usr local Cellar mysql   brew cleanup   sudo rm -rf  usr local var mysql   brew install mysql  And that worked

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A lot of other helpful responses here  but nothing fixed this for me  Ultimately nothing I found on this site or others would get any version of MySQL from Homebrew working for me   It was super painless to just download the DMG from https   dev mysql com downloads file  id 479114  find the appropriate version you need  and let the wizard install it for me  The only other manual step was adding  usr local mysql bin to my PATH   I d recommend this option if brew is giving you trouble   Update - if this still doesn t fix it  try completely purging mysql before installing via DMG  Follow these instructions  https   gist github com vitorbritto 0555879fe4414d18569d

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It s probably because MySQL is installed but not yet running   To verify that it s running  open up Activity Monitor and under  All Processes   search and verify you see the process  mysqld    You can start it by installing  MySQL prefPane    Here is the complete tutorial which helped me  http   obscuredclarity blogspot in 2009 08 install-mysql-on-mac-os-x html

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I went through this issue and I managed to run mysql server using below solution  Install mysql through  dmg https   dev mysql com downloads mysql 5 7 html   you will get mysql service panel in system preferences then start mysql from the panel and try   mysql -u root -p  Images attached for reference

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only this has made the trick for me brew services start --all  after trying all answers

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Ough  that took me a while to figure out  I saw it in a comment  After installing mysql using brew  and starting the service  perhaps using sudo brew services start mysql  then run     mysqld   And MySQL should be running for your thereafter

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Below I m including the latest instructions from brew install mysql so newer searches for this issue can benefit     brew install mysql    gt  Downloading https   homebrew bintray com bottles mysql-5 6 26 yosemite bottle 1 tar gz                                                                          100 0     gt  Pouring mysql-5 6 26 yosemite bottle 1 tar gz  To connect      mysql -uroot  To have launchd start mysql at login    ln -sfv  usr local opt mysql   plist   Library LaunchAgents Then to load mysql now    launchctl load   Library LaunchAgents homebrew mxcl mysql plist Or  if you don t want need launchctl  you can just run    mysql server start   In my case I loaded mysql now via launchctl load   Library LaunchAgents homebrew mxcl mysql plist and was then able to launch   mysql and be on my way   I hope this helps recent troubleshooters

[mysql] ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'

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