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• Trying to Set Up SSH Tunneling To MySQL Server for MySQL Query Browser

  - by Teno

  I'm trying to set up SSH tunneling on a remote web server to another MySQL server so that the database can be browsed easily with MySQL Query Browser. I'm following this page but cannot connect to the MySQL server. http://www.howtogeek.com/howto/ubuntu/access-your-mysql-server-remotely-over-ssh/ What I've done: logged in to the web server with Putty via SSH. typed ssh -L 33060:[database]:3306 [myusername]@[webserver_address] where [...]s are altered by the actual information. I was asked a password and typed it and got the following message. So it seems login was successful. socket: Protocol not supported Last login: .... 2012 from .... Copyright (c) 1980, 1983, 1986, 1988, 1990, 1991, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 7.1-RELEASE.... Welcome to FreeBSD! Opened MySQL Query Browser in Windows and entered Server Host: localhost Port: 33060 UserName: myusername PassWord: mypassword And it says, Could not connect to the specified instance. MySQL Error Number 2003 Can't connect to MySQL Server on 'localhost' (10061) Sorry if this is too basic. Thanks for your information.

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• Upcoming EMEA, APAC & US Events with MySQL in 2014

  - by Lenka Kasparova

  As an update to the previous announcement from Mar 25, 2014 please find below the updated list of events where MySQL Community team is attending and/or supporting. This time you can find not only EMEA & APAC ones but also conferences & events we are covering in the US & Canada. You are invited to meet our engineers at the events below.   EMEA  NEW!! BGOUG, Sandanski, Bulgaria, June 13, 2014  Georgi Kodinov will attend and speak at this local Oracle User Group event. Feel free to come. PHP Tour Lyon, Lyon, France, June 23-24, 2014 MySQL team is going to be part of this show as well, we are not going to have a booth here but very active networking by our french MySQL team around the event. Come to meet us and talk to us! NEW!! Converge Conference, Glasgow, Scotland, August 15-16, 2014  MySQL Community Manager, David Stokes attends with MySQL talk. NEW!! CakeFest, Madrid, Spain, August 21-24, 2014  A talk on "Scaling Your MySQL instances AND keeping your Sanity" will be given by the MySQL Community Manager, David Stokes. Froscon 2014, St.Augustin, Germany, August 23-24, 2014 Please visit our booth as well as watch the Froscon website for the schedule updates. NEW!! SymfonyLive, UK, London, September 25-26, 2014 MySQL Community Magers, David Stokes & Morgan Tocker submitted MySQL talks for this show. Schedule will be announced later on. DrupalCon Amsterdam, The Netherlands, September 29-Oct 3, 2014 Meet us at our booth at DrupalCon Amsterdam. For the schedule please watch the DrupalCon website. All Your Base, Oxford UK, October 17, 2014  Come to visit our MySQL booth and talk to our MySQL experts. NEW!! WebTechCon / IPC, Munich Germany, October 26-29, 2014 NEW!! DOAG, Nuremberg, Germany, November 18-20, 2014 There will be a full day of MySQL talks and one full day of MySQL workshop & sessions with live demo. This event is simply hard to miss! NEW!! Forum PHP Paris, France, November 21-22, 2014 More details: TBD NEW!! UK OUG, Liverpool, UK, December 8-10, 2014 MySQL will be part of the Oracle booth and we hope to get more space for MySQL talks.  USA NEW!! Texas Linux Fest, Austin, Texas, US, June 13-14, 2014 NEW!! SouthEast Linux Fest, Charlotte, US, June 20-22, 2014 NEW!! Debian Conference 2014, Portland, OR, US, August 23-31, 2014 NEW!! FossetCon, Orlando, US, September 11-13, 2014 NEW!! Oracle Open World, San Francisco, US, September 29-October 3, 2014 NEW!! MySQL Central @ Open/World, San Francisco, US, September 29-October 3, 2014 NEW!! PyTexas 2014, Dallas, TX, US, October 3-5, 2014 NEW!! All Things Open (replacing POSSCON), Raleigh, NC, October 23-24, 2014 NEW!! Ohio LinuxFest 2014, Columbus, Ohio, US, October 24-25, 2014 NEW!! ZendCon PHP, Santa Clara, US, October 27-30, 2014 NEW!! Kuali Days 2014, Indianapolis, US, November 10-13, 2014 NEW!! Live 360, Orlando, FL, US, November 17-20, 2014 APAC OpenSourceConference Japan, Hokkaido, June 13-14, 2014 MySQL is represented by Ryusuke Kajiyama with the talk on "MySQL Technology Updates". NEW!! db tech showcase, Osaka Japan, June 18-20, 2014 Three MySQL talks are scheduled for this show, "MySQL for Oracle DBA" & "MySQL Technology Updates" by Ryusuke Kajiyama. The last talk will be on MySQL Fabric by Yoshiaki Yamasaki. NEW!! PyCon Singapore, Singapore, June 18-20, 2014 Ryusuke Kajiyama will be talking about "Sharding and scale-out using Python-based MySQL Fabric". NEW!! COSCUP, Taipei, Taiwan, July 19-20, 2014 We are going to run a technical session on MySQL Workbench & one talk on how to make MySQL better MySQL. NEW!! PyCon New Zealand, Wellington, New Zealand, September 13-14, 2014 MySQL talks were submitted as well as one talk by Solaris Modernization team on Python & Solaris, watch the website for schedule updates. NEW!! PyCon Japan, Tokyo Japan, September 13-15, 2014 MySQL will be a MySQL session speaker, no schedule is announced yet. Ruby Kaigi, Tokyo, Japan, September 18-20, 2014 Another event MySQL supports and attends in APAC region. Ruby Kaigi is the international Ruby Conference in Japan, Tokyo. Ruby started in Japan, so Ruby Kaigi has excellent speakers and developers! MySQL team is going to be present at this conference with MySQL talks and active networking around the venue. NEW!! PyCon India, Bangalore, India, September 26-28, 2014 A MySQL talk on "MySQL Utilities scaling MySQL with Python" has been submitted, please watch the PyCon website for the schedule updates. NEW!! OpenSourceConference Japan, Tokyo, October 18-19, 2014 NEW!! OpenSource India, Bengaluru, India, November 7-8, 2014 NEW!! OpenSourceConference Japan, Fukuoka, November 14-15, 2014 You can check the MySQL wikis for updates on the conferences we are attending. Next time I hope to have more details for each event above (especially for the US ones).

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• Shell script issue: cron job script to Restart MySQL server when it stops accidentally

  - by Straw Hat

  I have this script, I am using it to setup CRON job to execute this script, so it can check if MySQL service is running; if not then it restart the MySQL service: #!/bin/bash service mysql status| grep 'mysql start/running' > /dev/null 2>&1 if [ $? != 0 ] then sudo service mysql restart fi I have setup cron job as. sudo crontab -e and then added, */1 * * * * /home/ubuntu/mysql-check.sh Problem is that it restart MySQL on every cron job execution.. even if server is running it restart the MySQL service what is correction in the script to do that.

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• Cannot connect to MySQL over TCP locally - Connection Timeout - Ubuntu 9.04

  - by gav

  I am running Ubuntu and am ultimately trying to connect Tomcat to my MySQL database using JDBC. It has worked previously but after a reboot the instance now fails to connect. Both Tomcat 6 and MySQL 5.0.75 are on the same machine Connection string: jdbc:mysql:///localhost:3306 I can connect to MySQL on the command line using the mysql command The my.cnf file is pretty standard (Available on request) has bind address: 127.0.0.1 I cannot Telnet to the MySQL port despite netstat saying MySQL is listening I have one IpTables rule to forward 80 - 8080 and no firewall I'm aware of. I'm pretty new to this and I'm not sure what else to test. I don't know whether I should be looking in etc/interfaces and if I did what to look for. It's weird because it used to work but after a reboot it's down so I must have changed something.... :). I realise a timeout indicates the server is not responding and I assume it's because the request isn't actually getting through. I installed MySQL via apt-get and Tomcat manually. MySqld processes root@88:/var/log/mysql# ps -ef | grep mysqld root 21753 1 0 May27 ? 00:00:00 /bin/sh /usr/bin/mysqld_safe mysql 21792 21753 0 May27 ? 00:00:00 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --pid-file=/var/run/mysqld/mysqld.pid --skip-external-locking --port=3306 --socket=/var/run/mysqld/mysqld.sock root 21793 21753 0 May27 ? 00:00:00 logger -p daemon.err -t mysqld_safe -i -t mysqld root 21888 13676 0 11:23 pts/1 00:00:00 grep mysqld Netstat root@88:/var/log/mysql# netstat -lnp | grep mysql tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 21792/mysqld unix 2 [ ACC ] STREAM LISTENING 1926205077 21792/mysqld /var/run/mysqld/mysqld.sock Toy Connection Class root@88:~# cat TestConnect/TestConnection.java import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class TestConnection { public static void main(String args[]) throws Exception { Connection con = null; try { Class.forName("com.mysql.jdbc.Driver").newInstance(); System.out.println("Got driver"); con = DriverManager.getConnection( "jdbc:mysql:///localhost:3306", "uname", "pass"); System.out.println("Got connection"); if(!con.isClosed()) System.out.println("Successfully connected to " + "MySQL server using TCP/IP..."); } finally { if(con != null) con.close(); } } } Toy Connection Class Output Note: This is the same error I get from Tomcat. root@88:~/TestConnect# java -cp mysql-connector-java-5.1.12-bin.jar:. TestConnection Got driver Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 1 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1122) at TestConnection.main(TestConnection.java:14) Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1122) at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:344) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2181) ... 12 more Caused by: java.net.ConnectException: Connection timed out at java.net.PlainSocketImpl.socketConnect(Native Method) ... 13 more Telnet Output root@88:~/TestConnect# telnet localhost 3306 Trying 127.0.0.1... telnet: Unable to connect to remote host: Connection timed out

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• mysql completely removing

  - by Dmitry Teplyakov

  I broke my mysql and now I want to completely reinstall it. I tried: $ sudo apt-get install --reinstall mysql-server $ sudo apt-get remove --purge mysql-client mysql-server But always I see popup with proposal to change root password, I change it and got an error that I can change it.. $ sudo apt-get remove --purge mysql-client mysql-server Reading package lists... Done Building dependency tree Reading state information... Done Package mysql-client is not installed, so not removed Package mysql-server is not installed, so not removed The following packages were automatically installed and are no longer required: libmygpo-qt1 libqtscript4-network libqtscript4-gui libtag-extras1 libqtscript4-sql libqtscript4-xml amarok-utils amarok-common libqtscript4-uitools liblastfm0 libloudmouth1-0 libqtscript4-core Use 'apt-get autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Setting up mysql-server-5.5 (5.5.28-0ubuntu0.12.04.2) ... 121114 19:04:03 [Note] Plugin 'FEDERATED' is disabled. 121114 19:04:03 InnoDB: The InnoDB memory heap is disabled 121114 19:04:03 InnoDB: Mutexes and rw_locks use GCC atomic builtins 121114 19:04:03 InnoDB: Compressed tables use zlib 1.2.3.4 121114 19:04:03 InnoDB: Initializing buffer pool, size = 128.0M 121114 19:04:03 InnoDB: Completed initialization of buffer pool InnoDB: Error: auto-extending data file ./ibdata1 is of a different size InnoDB: 0 pages (rounded down to MB) than specified in the .cnf file: InnoDB: initial 640 pages, max 0 (relevant if non-zero) pages! 121114 19:04:03 InnoDB: Could not open or create data files. 121114 19:04:03 InnoDB: If you tried to add new data files, and it failed here, 121114 19:04:03 InnoDB: you should now edit innodb_data_file_path in my.cnf back 121114 19:04:03 InnoDB: to what it was, and remove the new ibdata files InnoDB created 121114 19:04:03 InnoDB: in this failed attempt. InnoDB only wrote those files full of 121114 19:04:03 InnoDB: zeros, but did not yet use them in any way. But be careful: do not 121114 19:04:03 InnoDB: remove old data files which contain your precious data! 121114 19:04:03 [ERROR] Plugin 'InnoDB' init function returned error. 121114 19:04:03 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. 121114 19:04:03 [ERROR] Unknown/unsupported storage engine: InnoDB 121114 19:04:03 [ERROR] Aborting 121114 19:04:03 [Note] /usr/sbin/mysqld: Shutdown complete start: Job failed to start invoke-rc.d: initscript mysql, action "start" failed. dpkg: error processing mysql-server-5.5 (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: mysql-server-5.5 E: Sub-process /usr/bin/dpkg returned an error code (1) It is good for me that I have not any important databases, but..

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• 2 Days to Go before MySQL Connect - Focus on Hands-On Labs

  - by Bertrand Matthelié

  72 1024x768 Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} The Oracle MySQL team is very eager to meet all MySQL community members, users, customers and partners gathering this weekend in San Francisco for MySQL Connect! Eight different Hands-On Labs will give you the opportunity to get hands-on experience on the following topics. All taking place in Plaza Room A. Saturday: 11.30 amDeveloping Applications with MySQL and Java—Mark Matthews, Oracle 1.00 pm (2.5 hours long)Getting Started with MySQL—Gillian Gunson and Alfredo Kojima, Oracle 4.00 pmGetting Started with MySQL Cluster—Santo Leto, Oracle 5.30 pmImproving Performance with the MySQL Performance Schema—Jesper Krogh, Oracle Sunday: 10.15 am (2.5 hours long) Focus on MySQL Replication—Sven Sandberg and Luis Soares, Oracle 1.15 pm MySQL Utilities—Charles Bell, Oracle 2.45 pm Performance Tuning with MySQL Enterprise Monitor—Mark Matthews, Oracle 4.15 pm MySQL Security: Authentication and Audit—Jonathon Coombes, Oracle Not registered yet? You can still save US$ 300 off the on-site fee! Attending Oracle openWorld or JavaOne? Add MySQL Connect to your registration for only US$100! Register Now!

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• Cannot install mysql-server on ubuntu 11.10 by either synaptic or terminal

  - by roopunk

  I've been facing this problem with installing some other packages too. Inside terminal I type: sudo apt-get install mysql-server and I get the following: Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: libhtml-template-perl mysql-server-5.1 mysql-server-core-5.1 Suggested packages: libipc-sharedcache-perl tinyca mailx The following NEW packages will be installed: libhtml-template-perl mysql-server mysql-server-5.1 mysql-server-core-5.1 0 upgraded, 4 newly installed, 0 to remove and 0 not upgraded. Need to get 6,260 kB/11.0 MB of archives. After this operation, 25.8 MB of additional disk space will be used. Do you want to continue [Y/n]? Y Err http://ubuntu.oss.eznetsols.org/ubuntu/ oneiric-updates/main mysql-server-5.1 i386 5.1.63-0ubuntu0.11.10.1 Connection failed Err http://ubuntu.oss.eznetsols.org/ubuntu/ oneiric-security/main mysql-server-5.1 i386 5.1.63-0ubuntu0.11.10.1 Connection failed Failed to fetch http://ubuntu.oss.eznetsols.org/ubuntu/pool/main/m/mysql-5.1/mysql-server-5.1_5.1.63-0ubuntu0.11.10.1_i386.deb Connection failed E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? On trying to install with synaptic package manager, I get the following screenshot I am bascially trying to setup LAMP. Any help/suggestion would be great. Thanks.

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• Can't log to mySQL

  - by Reza

  Even after I reset root password with following command I can not log to mySQL: (other command listed to provide additional info) # sudo dpkg-reconfigure mysql-server-5.1 # mysql -u root -p Enter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) # telnet 127.0.0.1 3306 Trying 127.0.0.1... telnet: Unable to connect to remote host: Connection refused # ps -Aw |grep mysql 26522 ? 00:00:00 mysqld # /etc/init.d/mysql start Rather than invoking init scripts through /etc/init.d, use the service(8) utility, e.g. service mysql start Since the script you are attempting to invoke has been converted to an Upstart job, you may also use the start(8) utility, e.g. start mysql update: # sudo mysqladmin -u root password 123 mysqladmin: connect to server at 'localhost' failed it seems mysql is not ruining properly

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• All New MySQL For Beginners Training on Demand Offering

  - by Antoinette O'Sullivan

  Get started on MySQL for Beginners training within 24 hours with the newly released MySQL for Beginners Training on Demand. With Training on Demand, you get: - Trained by top MySQL Instructors - Access to hands-on practice environment - Full classroom content available 24/7 - And no travel expenses to worry about The MySQL for Beginners course covers all the basics and gets you on your way with a solid foundation. This hands-on class covers the fundamentals of SQL and relational databases, using MySQL as a teaching tool. In addition to the Training on Demand option, you have the choice to taking the MySQL for Beginners course as: Live Virtual Training: Live, interactive, online training delivered by MySQL instructor to you anywhere you have an internet connection. 100s of events on the schedule for different timezones. In-Classroom Training: Scheduled events include those listed below:  Location  Date  Delivery Language  Warsaw, Poland  16 July 2012  Polish  Dublin, Ireland 15 October 2012  English  Belfast, Ireland  28 August 2012  English  Rome, Italy  5 November 2012  Italy  Hamburg, Germany  3 December 2012  German  Lisbon, Portugal  5 November 2012  European Portugese  Amsterdam, Netherlands  10 December 2012  Dutch  Nieuwegein, Netherlands  17 September 2012  Dutch  Barcelona, Spain  5 November 2012  Spanish  Riga, Latvia  15 July 2012  Latvian  Petaling Jaya, Malaysia  7 August 2012  English  Ottawa, Canada  7 August 2012  English  Toronto, Canada  7 August 2012  English  Montreal, Canada  7 August 2012  English  Sao Paulo, Brazil  10 July 2012  Brazilan Portugese For more information on any of the MySQL for Beginners training options or to learn more about the Authorized MySQL curriculum go to the Oracle University portal and click on MySQL.

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• Error installing mysql, any way to fix it?

  - by user156355

  I was installing mysql with apt-get install mysql-server (like I always did) before that I had done an apt-get update (I am using Debian 6), and when I installed I found this problem, pretty common as I see, but Ive followed all stepts and nothing have worked, Ive tried with apt-get install -f also with apt-get remove mysql-server (and common, and mysql-server-5.1) and also with apt-get purge (every packate) and later install, but nothing... I tried also dpkg-reconfigure mysql-server-5.1 apt-get install --reinstall mysql-server (all runed as Root) Still, nothing worked, any idea??? 130130 10:11:48 InnoDB: Shutdown completed; log sequence number 0 44233 Starting MySQL database server: mysqld . . . . . . . . . . . . . . failed! invoke-rc.d: initscript mysql, action "start" failed. dpkg: error processing mysql-server-5.1 (--configure): subprocess installed post-installation script returned error exit status 1 configured to not write apport reports dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.1; however: Package mysql-server-5.1 is not configured yet. dpkg: error processing mysql-server (--configure): dependency problems - leaving unconfigured configured to not write apport reports Errors were encountered while processing: mysql-server-5.1 mysql-server E: Sub-process /usr/bin/dpkg returned an error code (1) when I tried dpkg-reconfigure mysql-server-5.1 /usr/sbin/dpkg-reconfigure: mysql-server-5.1 is broken or not fully installed the case "Start" on /etc/init.d/mysql is 'start') sanity_checks; # Start daemon log_daemon_msg "Starting MySQL database server" "mysqld" if mysqld_status check_alive nowarn; then log_progress_msg "already running" log_end_msg 0 else # Could be removed during boot test -e /var/run/mysqld || install -m 755 -o mysql -g root -d /var/run/mysqld # Start MySQL! /usr/bin/mysqld_safe > /dev/null 2>&1 & # 6s was reported in #352070 to be too few when using ndbcluster for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14; do sleep 1 if mysqld_status check_alive nowarn ; then break; fi log_progress_msg "." done if mysqld_status check_alive warn; then log_end_msg 0 # Now start mysqlcheck or whatever the admin wants. output=$(/etc/mysql/debian-start) [ -n "$output" ] && log_action_msg "$output" else log_end_msg 1 log_failure_msg "Please take a look at the syslog" fi fi When I make mysql force-reload: Reloading MySQL database server: mysqld/usr/bin/mysqladmin: connect to server at 'localhost' failed error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' Check that mysqld is running and that the socket: '/var/run/mysqld/mysqld.sock' exists! root@americandougnuts:/etc/init.d# root@americandougnuts:/etc/init.d# Check that mysqld is running and that the socket: '/var/run/mysqld/mysqld.sock' exists!

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• MySQL fails to start after upgrade to 12.04?

  - by radek

  I'm a newbie on MySQL ground so bear with me. I've just finished upgrading 11.10 to 12.04. Everything seemed to work without any hiccups and all my software and settings are working fine. Apart from MySQL. When I try: sudo start mysql I receive an error: start: Job failed to start Where can I possibly diagnose what the problem is? And (hopefully) - how to sort it out? (I disabled automatic start following advice here if that is of some importance) Update 1: Both outputs of: cat /var/log/mysql.err cat /var/log/mysql.log are empty. Output of dmesg | grep mysql: [ 1401.785141] type=1400 audit(1335619832.181:25): apparmor="STATUS" operation="profile_replace" name="/usr/sbin/mysqld" pid=16165 comm="apparmor_parser" [ 1401.791089] init: Failed to spawn mysql main process: unable to execute: No such file or directory Update 2: As indicated by AWinter below - it seemed that MySQL disappeared automagically after upgrade and had to be reinstalled.

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• Platinum Club??????(Oracle Solaris/MySQL) ????

  - by Urakawa

  ORACLE MASTER Platinum???????????Platinum Club????????2011?3?4???????????????? ???????Oracle Solaris 11 Express?????????????????????????????????????MySQL?Performance Tuning??????????????????   ????????????? ??????????????? ????? ?? ?????????????? ???????????????????????????ORACLE MASTER Platinum???????????????????????????????Oracle Solaris 11????????????????????????????MySQL???????????????????????????????????????????????????   ?What's New in Solaris 11 Express???????????????????? ??????????? ????????????? ?? ?? 2011?4????????What's New in Solaris 11 Express??????????3???????????????????????? ????? ???????? ?? ????????????????????????????????????????????????Oracle Solaris 11 ????????????????? Express ?????????????????????????????????????(Crossbow)??Solaris10??????????????? ??(ZFS)?OS?????(????)??????????????????????? Oracle Solaris 11????????????????????? ????8??????Oracle Solaris????????????????????????????????????????OS???????????????????????????????????????????????????   ?MySQL Performance Tuning??????????????????? IT???????????? ????????????1????? ? ???????MySQL Performance Tuning???????????????????????1??????????????????????????????????????????? ????????????Oracle Database???MySQL???????????????MySQL Performance Tuning????????????MySQL????????????????MySQL???????????????????????????????????????????????????? MySQL?????????????????????Oracle Database????????????ORACLE MASER Platinum????????????????????????????????????????????????????2?????????????????????   ????????????????????Platinum Club???????????????????????????????????????????????????????????????? ???Oracle Database??????????????????????????????????Oracle Database????????????ORACLE MASTER Platinum????????????????????????Oracle Solaris????????????????????????MySQL???????????????????????????????????????????????????????????????????????TV????????????????????????????????????????????????????????????Platinum Club??????????????????????????????????????????????????

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• Using transactions with LINQ-to-SQL

  - by Jalpesh P. Vadgama

  Today one of my colleague asked that how we can use transactions with the LINQ-to-SQL Classes when we use more then one entities updated at same time. It was a good question. Here is my answer for that.For ASP.NET 2.0  or higher version have a new class called TransactionScope which can be used to manage transaction with the LINQ. Let’s take a simple scenario we are having a shopping cart application in which we are storing details or particular order placed into the database using LINQ-to-SQL. There are two tables Order and OrderDetails which will have all the information related to order. Order will store particular information about orders while OrderDetails table will have product and quantity of product for particular order.We need to insert data in both tables as same time and if any errors comes then it should rollback the transaction. To use TransactionScope in above scenario first we have add a reference to System.Transactions like below. After adding the transaction we need to drag and drop the Order and Order Details tables into Linq-To-SQL Classes it will create entities for that. Below is the code for transaction scope to use mange transaction with Linq Context. MyContextDataContext objContext = new MyContextDataContext(); using (System.Transactions.TransactionScope tScope = new System.Transactions.TransactionScope(TransactionScopeOption.Required)) { objContext.Order.InsertOnSubmit(Order); objContext.OrderDetails.InsertOnSumbit(OrderDetails); objContext.SubmitChanges(); tScope.Complete(); } Here it will commit transaction only if using blocks will run successfully. Hope this will help you. Technorati Tags: Linq,Transaction,System.Transactions,ASP.NET

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• use Data Annotation to my Linq to SQL

  - by Khalid Omar

  i have a mvc web project and i'm using linq to sql i'm using dataannotaion like this public class ClientValidation { [Required] public string name1st { get; set; } } then in the linq class i add that above client class [global::System.Data.Linq.Mapping.TableAttribute(Name = "dbo.Client")] [MetadataType(typeof(ClientValidation))] public partial class Client : INotifyPropertyChanging, INotifyPropertyChanged { } every thing is going ok the question is when i re generate the linq when i add table or change any thing in database i need to rewrite [MetadataType(typeof(ClientValidation))] is there any other method to enable me regenerate the model and keep the data annotation as it

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• mysql configuration problem Error ERROR 2002 (HY000): Can't connect to local MySQL server through so

  - by manugupt1

  I recently installed OpenSuse11.1 and tried configuring mysql with it however after installation I was not even able to start it off I got the following error ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) As suggested in one of the forums I enabled the skip-networking option in /etc/my.cnf which did not help I also tried binding it to the address using bind-address = 127.0.0.1 in the same /etc/my.cnf Please help me what to do......

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• What can I delete after moving MySQL database files location

  - by kopeklan

  I'm trying to move the location of database files from /var/lib/mysql to /home/lib/mysql I only changing database files. Socket is still /var/lib/mysql/mysql.sock (only changing datadir in my.cnf) Now, all data in /var/lib/mysql has been copied to /home/lib/mysql MySQL has been started and everything is fine. Now time to cleaning up data in /var/lib/mysql but I'm not sure what data can and cannot be removed in /var/lib/mysql this is data (except database name) in /var/lib/mysql: ibdata1 ib_logfile0 ib_logfile1 mysql

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• MySQL Extremely High Disk Activity (Read Operations)

  - by Jake Schoermer

  I have 1GB Linode VPS with a standard LAMP stack. Apache is tuned fine but for some reason MySQL's disk usage is high. This is causing really slow site load times. RAM and CPU usage are fine. Can anyone give me any pointers on tuning mysql's disk performance? I'm using InnoDB. iotop output is below. Total DISK READ: 38.50 M/s | Total DISK WRITE: 27.20 K/s TID PRIO USER DISK READ> DISK WRITE SWAPIN IO COMMAND 9808 be/4 mysql 22.40 M/s 0.00 B/s 0.00 % 63.75 % mysqld 10045 be/4 mysql 2.06 M/s 0.00 B/s 0.00 % 26.65 % mysqld 9987 be/4 mysql 1694.38 K/s 0.00 B/s 0.00 % 18.33 % mysqld 10015 be/4 mysql 1554.47 K/s 0.00 B/s 0.00 % 12.71 % mysqld 10019 be/4 mysql 1461.21 K/s 0.00 B/s 0.00 % 5.58 % mysqld 9839 be/4 mysql 1383.48 K/s 0.00 B/s 0.00 % 25.69 % mysqld 10031 be/4 mysql 1243.58 K/s 0.00 B/s 0.00 % 5.68 % mysqld 10023 be/4 mysql 1057.04 K/s 0.00 B/s 0.00 % 2.02 % mysqld 10020 be/4 mysql 1025.95 K/s 0.00 B/s 0.00 % 7.05 % mysqld 10001 be/4 mysql 808.33 K/s 683.97 K/s 0.00 % 1.16 % mysqld 10025 be/4 mysql 746.15 K/s 0.00 B/s 0.00 % 3.28 % mysqld 10043 be/4 mysql 715.06 K/s 0.00 B/s 0.00 % 0.48 % mysqld 10044 be/4 mysql 672.31 K/s 0.00 B/s 0.00 % 5.25 % mysqld 10034 be/4 mysql 668.42 K/s 1989.73 K/s 0.00 % 5.31 % mysqld 9985 be/4 mysql 450.80 K/s 124.36 K/s 0.00 % 8.83 % mysqld 9989 be/4 mysql 357.53 K/s 0.00 B/s 0.00 % 5.21 % mysqld 10033 be/4 mysql 186.54 K/s 0.00 B/s 0.00 % 1.59 % mysqld 10021 be/4 mysql 155.45 K/s 435.25 K/s 0.00 % 1.23 % mysqld 10007 be/4 mysql 124.36 K/s 0.00 B/s 0.00 % 0.53 % mysqld 9763 be/4 www-data 38.86 K/s 0.00 B/s 0.00 % 4.56 % apache2 -k start 10027 be/4 mysql 31.09 K/s 0.00 B/s 0.00 % 4.24 % mysqld 1 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % init 2 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kthreadd] 3 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [ksoftirqd/0] 4 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kworker/0:0] 5 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kworker/u:0] 6 rt/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [migration/0] 7 rt/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [migration/1]

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• MySQL for Excel 1.1.3 has been released

  - by Javier Treviño

  The MySQL Windows Experience Team is proud to announce the release of MySQL for Excel version 1.1.3, the  latest addition to the MySQL Installer for Windows. MySQL for Excel is an application plug-in enabling data analysts to very easily access and manipulate MySQL data within Microsoft Excel. It enables you to directly work with a MySQL database from within Microsoft Excel so you can easily do tasks such as: Importing MySQL Data into Excel Exporting Excel data directly into MySQL to a new or existing table Editing MySQL data directly within Excel MySQL for Excel is installed using the MySQL Installer for Windows. The MySQL installer comes in 2 versions   Full (150 MB) which includes a complete set of MySQL products with their binaries included in the download Web (1.5 MB - a network install) which will just pull MySQL for Excel over the web and install it when run.   You can download MySQL Installer from our official Downloads page at http://dev.mysql.com/downloads/installer/. MySQL for Excel 1.1.3 introduces the following features:   Upon saving a Workbook containing Worksheets in Edit Mode, the user is asked if he wants to exit the Edit Mode on all Worksheets before their parent Workbook is saved so the Worksheets are saved unprotected, otherwise the Worksheets will remain protected and the users will be able to unprotect them later retrieving the passkeys from the application log after closing MySQL for Excel. Added background coloring to the column names header row of an Import Data operation to have the same look as the one in an Edit Data operation (i.e. gray-ish background). Connection passwords can be stored securely just like MySQL Workbench does and these secured passwords are shared with Workbench in the same way connections are. Changed the way the MySQL for Excel ribbon toggle button works, instead of just showing or hiding the add-in it actually opens and closes it. Added a connection test before any operation against the database (schema creation, data import, append, export or edition) so the operation dialog is not shown and a friendlier error message is shown.   Also this release contains the following bug fixes:   Added a check on every connection test for an expired password, if the password has been expired a dialog is now shown to the user to reset the password. Bug #17354118 - DON'T HANDLE EXPIRED PASSWORDS Added code to escape text values to be imported to an Excel worksheet that start with an equals sign so Excel does not treat those values as formulas that will fail evaluation. This is an option turned on by default that can be turned off by users if they wish to import values to be treated as Excel formulas. Bug #17354102 - ERROR IMPORTING TEXT VALUES TO EXCEL STARTING WITH AN EQUALS SIGN Added code to properly check the reason for a failing connection, if it's a failing password the user gets a dialog to retry the connection with a different password until the connection succeeds, a connection error not related to the password is thrown or the user cancels. If the failing connection is not related to a bad password an error message is shown to the users indicating the reason of the failure. Bug #16239007 - CONNECTIONS TO MYSQL SERVICES NOT RUNNING DISPLAY A WRONG PASSWORD ERROR MESSAGE Added global options dialog that can be accessed from the Schema Selection and DB Object Selection panels where the timeouts for the connection to the DB Server and for the query commands can be changed from their default values (15 seconds for the connection timeout and 30 seconds for the query timeout). MySQL Bug #68732, Bug #17191646 - QUERY TIMEOUT CANNOT BE ADJUSTED IN MYSQL FOR EXCEL Changed the Varchar(65,535) data type shown in the Export Data data type combo box to Text since the maximum row size is 65,535 bytes and any autodetected column data type with a length greater than 4,000 should be set to Text actually for the table to be created successfully. MySQL Bug #69779, Bug #17191633 - EXPORT FAILS FOR EXCEL FILES CONTAINING > 4000 CHARACTERS OF TEXT PER CELL Removed code that was replacing all spaces typed by the user in an overriden data type for a new column in an Export Data operation, also improved the data type detection code to flag as invalid data types with parenthesis but without any text inside or where the contents inside the parenthesis are not valid for the specific data type. Bug #17260260 - EXPORT DATA SET TYPE NOT WORKING WITH MEMBER VALUES CONTAINING SPACES Added support for the year data type with a length of 2 or 4 and a validation that valid values are integers between 1901-2155 (for 4-digit years) or between 0-99 (for 2-digit years). Bug #17259915 - EXPORT DATA YEAR DATA TYPE NOT RECOGNIZED IF DECLARED WITH A DISPLAY WIDTH) Fixed code for Export Data operations where users overrode the data type for columns typing Text in the data type combobox, which is a valid data type but was not recognized as such. Bug #17259490 - EXPORT DATA TEXT DATA TYPE NOT RECOGNIZED AS A VALID DATA TYPE Changed the location of the registry where the MySQL for Excel add-in is installed to HKEY_LOCAL_MACHINE instead of HKEY_CURRENT_USER so the add-in is accessible by all users and not only to the user that installed it. For this to work with Excel 2007 a hotfix may be required (see http://support.microsoft.com/kb/976477). MySQL Bug #68746, Bug #16675992 - EXCEL-ADD-IN IS ONLY INSTALLED FOR USER ACCOUNT THAT THE INSTALLATION RUNS UNDER Added support for Excel 2013 Single Document Interface, now that Excel 2013 creates 1 window per workbook also the Excel Add-In maintains an independent custom task pane in each window. MySQL Bug #68792, Bug #17272087 - MYSQL FOR EXCEL SIDEBAR DOES NOT APPEAR IN EXCEL 2013 (WITH WORKAROUND) Included the latest MySQL Utility with a code fix for the COM exception thrown when attempting to open Workbench in the Manage Connections window. Bug #17258966 - MYSQL WORKBENCH NOT OPENED BY CLICKING MANAGE CONNECTIONS HOTLABEL Fixed code for Append Data operations that was not applying a calculated automatic mapping correctly when the source and target tables had different number of columns, some columns with the same name but some of those lying on column indexes beyond the limit of the other source/target table. MySQL Bug #69220, Bug #17278349 - APPEND DOESN'T AUTOMATICALLY DETECT EXCEL COL HEADER WITH SAME NAME AS SQL FIELD Fixed some code for Edit Data operations that was escaping special characters twice (during edition in Excel and then upon sending the query to the MySQL server). MySQL Bug #68669, Bug #17271693 - A BACKSLASH IS INSERTED BEFORE AN APOSTROPHE EDITING TABLE WITH MYSQL FOR EXCEL Upgraded MySQL Utility with latest version that encapsulates dialog base classes and introduces more classes to handle Workbench connections, and removed these from the Excel project. Bug #16500331 - CAN'T DELETE CONNECTIONS CREATED WITHIN ADDIN You can access the MySQL for Excel documentation at http://dev.mysql.com/doc/refman/5.6/en/mysql-for-excel.html You can find our team’s blog at http://blogs.oracle.com/MySQLOnWindows. You can also post questions on our MySQL for Excel forum found at http://forums.mysql.com/. Enjoy and thanks for the support!

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• General logging won't work in MySQL

  - by leonstr

  I saw on SF that there's an option in MySQL to log all queries. So, in my version (mysql-server-5.0.45-7.el5 on CentOS 5.2) this appears to be a case of enabling the 'log' option, so I edited /etc/my.cnf to add this: [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock user=mysql old_passwords= log=/var/log/mysql-general.log [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid I then created the file and set permissions: # touch /var/log/mysql-general.log # chown mysql. /var/log/mysql-general.log # ls -l /var/log/mysql-general.log -rw-r--r-- 1 mysql mysql 0 Jan 18 15:22 /var/log/mysql-general.log But when I start mysqld I get: 120118 15:24:18 mysqld started ^G/usr/libexec/mysqld: File '/var/log/mysql-general.log' not found (Errcode: 13) 120118 15:24:18 [ERROR] Could not use /var/log/mysql-general.log for logging (error 13). Turning logging off for the whole duration of the MySQL server process. To turn it on again: fix the cause, shutdown the MySQL server and restart it. 120118 15:24:18 InnoDB: Started; log sequence number 0 182917764 120118 15:24:18 [Note] /usr/libexec/mysqld: ready for connections. Can anyone suggest why this isn't working?

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• Segmentation fault on login to mysql

  - by numberwhun

  Hello everyone! I recently did a fresh install of Ubuntu on my laptop (HP dv7, AMD Dual Core with 4 gigs RAM). I am working on installing my development environment and tools and one of the first things I was working on is getting MySQL installed. The following was my configure statement with options: ./configure --prefix=/usr/local/mysql --with-big-tables --with-unix-socket-path=/usr/local/mysql/tmp/mysql.sock --with-named-curses-libs=/lib/libncurses.so.5.7 After I did the make;make install, I did the post configuration such as setting the root password and installing the mysqld daemon in its rightful place. My issue is when I try to log in to mysql to start using it, the following shows what happens: $ mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.1.42 Source distribution Segmentation fault I have searched Google extensively, I have searched through the mysql bugs database and I have yet to find anything that matches my issue. Here is the contents of my my.cnf file, in case you want to see it: $ cat /etc/my.cnf [mysqld] basedir=/usr/local/mysql datadir=/usr/local/mysql socket=/usr/local/mysql/tmp/mysql.sock [mysql.server] user=mysql #basedir=/var/lib [client] socket=/usr/local/mysql/tmp/mysql.sock [mysqld_safe] err-log=/usr/local/mysql/logs/mysqld.log pid-file=/var/run/mysqld/mysqld.pid I am really hoping that someone here can tell me what has gone wrong with my installation as I would really love to know. I welcome and look forward to all responses. Thank you in advance! Best regards, Jeff

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• Installing MySQL 5.1 on OS X 10.7 Lion

  - by xisal

  I am trying to install MySQL 5.1. I am on Lion, and when I remove all files associated with MySQL on my machine it still tells me that I have a newer version installed when I try to install it from the DMG file. Has anyone successfully installed MySQL 5.1 on Lion? I found a solution using Homebrew: Completely remove MySQL from your system (just in case) sudo rm /usr/local/mysql sudo rm -rf /usr/local/mysql* sudo rm -rf /Library/StartupItems/MySQLCOM sudo rm -rf /Library/PreferencePanes/My* vim /etc/hostconfig and removed the line MYSQLCOM=-YES- rm -rf ~/Library/PreferencePanes/My* sudo rm -rf /Library/Receipts/mysql* sudo rm -rf /Library/Receipts/MySQL* sudo rm -rf /var/db/receipts/com.mysql.* Source:http://stackoverflow.com/questions/1436425/how-do-you-uninstall-mysql-from-mac-os-x Install homebrew /usr/bin/ruby -e "$(curl -fsSL https://raw.github.com/gist/323731)" Source: https://github.com/mxcl/homebrew/wiki/installation Install MySQL 5.1 via brew brew install mysql51 if that doesn't work, do this: brew install https://raw.github.com/adamv/homebrew-alt/master/versions/mysql51.rb Source: http://stackoverflow.com/questions/4359131/brew-install-mysql-on-mac-os/6399627#6399627 Make MySQL Work Create mysql.sock file touch /tmp/mysql.sock Install MySQL default tables /usr/local/Cellar/mysql51/5.1.58/bin/mysql_install_db ...or your path Source: http://stackoverflow.com/questions/4788381/getting-cant-connect-through-socket-tmp-mysql-when-installing-mysql-on-ma/5140849#5140849

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• Webserver: chrooted PHP gives mysql.sock error when attempting to reach mysql

  - by Jon L.

  Hey guys, I've configured an Ubuntu webserver with Nginx + PHP5-FPM. I've created a chrooted environment (using jailkit) that I'm tossing my developers into, from where they can develop their test applications. Chroot jail: /home/jail Nginx and PHP5-FPM run outside the chroot, but are configured to function with websites within the chrooted environment. So far, Nginx and PHP5-FPM are serving up files without issue, except for the following: When attempting to connect to MySQL, we receive this error: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' Now, I believe the issue is due to the non-chrooted php.ini referencing mysqld.sock outside of the chroot environment (it's actually using the MySQL default setting currently). My question is, how can I configure PHP to access MySQL via loopback or similar? (Found that as a suggestion in a google result, but without any instructions) Or if I'm missing some other obvious setting, let me know. If there's an option of creating a hardlink (that would remain available even if mysql is restarted), that would be handy as well.

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• Installing MySQL 5.5 manually on Ubuntu 10.04 server, errors about "/tmp/mysql.sock"

  - by black sensei

  I've set up an Ubuntu server and wanted to install MySQL 5.5. I've been following these MySQL documentation steps. I have libaio dev installed. Everything went fine until I ran bin/mysqld_safe --user=mysql & It runs into an issue and never returns to the shell. The output of mysqld_safe is logging to /usr/local/mysql/data/host_name.err. When I checked that file, it was complaining about /tmp/mysql.sock. I can unfortunately describe just parts of the error, since before I started right now it deleted all the files I've started installing back then by mistake. Should I change the socket to /var/run/mysqld/mysqld.socket after copying the .cnf file to /etc? I've also checked the /var/run/mysqld directory and there is no mysqld.socket. How do I proceed? Thanks for reading this and helping out

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• how to use a generated dbml classes to deserialize xml via linq?

  - by Eelco Meuter

  Hi, I have a complex data structure, which I boiled down in a dbml file with one class and 6 one-to-many relations. This data must also be read via xml. The xml structure is something like: <table id=1> <column 1></column 1> <column n></column n> <m-n table x> <column 1></column 1> </m-n table x> </table> where the tag <m-n table x> is one of the six related tables. The idea is to generate an xsd based upon the dbml, which I can use to create and validate a xml. This xml can hopefully deserialized into the dbml classes. The question is: Can this be done? If so, how do I generate the xsd. I use a sql server express 2008 r2 as backend. Thanks in advance for your time!

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• mysql-python on Snow Leopard with MySQL 64-bit

  - by Derek Reynolds

  Can't seem to get mysql-python to work on Snow Leopard for the life of me. Currently using the default version of python that ships with Snow Leopard (python 2.6.1). Installed MySQL 5.1.45 x86_64. I download the source for mysql-python http://sourceforge.net/projects/mysql-python/ and compile with the following commands: tar xzf MySQL-python-1.2.3c1.tar.gz cd MySQL-python-1.2.3c1 ARCHFLAGS='-arch x86_64' python setup.py build ARCHFLAGS='-arch x86_64' python setup.py install And am getting the following error when I try to import: Python 2.6.1 (r261:67515, Jul 7 2009, 23:51:51) [GCC 4.2.1 (Apple Inc. build 5646)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> import MySQLdb Traceback (most recent call last): File "<stdin>", line 1, in <module> File "build/bdist.macosx-10.6-universal/egg/MySQLdb/__init__.py", line 19, in <module> File "build/bdist.macosx-10.6-universal/egg/_mysql.py", line 7, in <module> File "build/bdist.macosx-10.6-universal/egg/_mysql.py", line 6, in __bootstrap__ ImportError: dlopen(/Users/derek/.python-eggs/MySQL_python-1.2.3c1-py2.6-macosx-10.6-universal.egg-tmp/_mysql.so, 2): no suitable image found. Did find: /Users/derek/.python-eggs/MySQL_python-1.2.3c1-py2.6-macosx-10.6-universal.egg-tmp/_mysql.so: mach-o, but wrong architecture Any ideas? Or the best route for starting over.

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