ubuntu 12.04 源码安装 MySQL-5.5.40

事先安装：

sudo apt-get -y install cmake libncurses5-dev bison g++ make

http://crazyming.blog.51cto.com/1048571/1217201

Here are some problems I had during the installation.

1. mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory
I Fixed after installing libaio1: sudo apt-get install libaio1

2. When I was trying to run /usr/local/mysql/scripts/mysql_install_db –user=mysql to reate the data dictionary

This command gives the following error:
FATAL ERROR: Could not find mysqld

The following directories were searched:

/usr/libexec
/usr/sbin
/usr/bin

Fix: Find and remove the old my.cnf file.
sudo rm /etc/mysql/my.cnf, because it was getting the details from the /etc/my.cnf

Don’t forget to set your root password.
./bin/mysqladmin -u root password ‘new-password’

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