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MySQL Environment MyEnv 1.0.1 has been released

FromDual has the pleasure to announce the release of the new version 1.0.1 of its popular multi-instance MySQL Environment MyEnv.

You can download MyEnv from here.

In the inconceivable case that you find a bug in MyEnv please report it to our Bugtracker.

Any feedback, statements and testimonials are welcome as well! Please send them to

If you have questions about MyEnv we will answer them in the MyEnv forum.

Upgrade from 1.0 or 1.0.x to 1.0.y

# cd /home/mysql/product
# tar xf /tmp/myenv-1.0.y.tar.gz
# rm -f myenv
# ln -s myenv-1.0.y myenv

Changes in MyEnv 1.0.1


  • New alias v introduce for echo $MYENV_VERSION.
  • Function start was extended by --option. This allows you to start a Galera cluster node as follows: start --wsrep-cluster-address="gcomm://" (Bug #58).
  • Requirements for Ubuntu in README added.
  • Mismatch between my.cnf and myenv.conf or [mysqld] section and [client] section in my.cnf is checked and reported (Bug #71).
  • Before an instance is started MyEnv will check if file mysql/user.frm is created just in case installation was missing (Bug #82).
  • Non default PID file name is handled properly (Bug #64).
  • Starting an instance will also report SUCCESS or ERROR.
  • Instance check mysqladmin ping was improved by adding a timeout (Bug #56).
  • User to start MySQL instance is checked (Bug #69).
  • The scripts start and stop are much more robust (Bug #66).
  • Internal sequence of checks during start and stop has been changed.
  • Package recommendation for SLES/OpenSuSE completed.
  • Fixes around the POSIX functions for SLES/OpenSuSE.
  • Fake around missing signal constants for SLES/OpenSuSE and more verbose error messages.
  • Check for missing POSIX features added (Bug #59).
  • MyEnv start-up and check sequence changed.

MyEnv Installer

  • Deleting a non existing instance is handled properly.
  • Empty basedir is handled properly.
  • Installation on /etc/my.cnf is handled properly (Bug #62).
  • Installation of my.cnf is redesigned, prepared for future features and error handling is improved.
  • mysql_install_db is also searched in bin path for NDB (MySQL Cluster) set-ups.
  • Installer is checking at the right location to decide if an instance is already installed or not (#Bug #83).
  • Installer should not be started as root user. Throwing warning (Bug #61).
  • Installer has additional suggestion for socket name: mysql-instance.sock, whole installation process is broken up in more pieces for future improvements, test cases were added (Bug #60).
  • Delete instance error messages made more clear (Bug #89).

MyEnv Utilities

No changes in this release.

MySQL Backup Manager

No changes in this release.