Ubuntu 12.04下原始碼安裝MySQL5.6以及Python-MySQLdb

前幾天一直在弄這個。本來根據官網的教程一步一步下來之後Ubuntu 12.04下原始碼安裝mysql是可以的，但是在安裝了Python-MySQLdb之後發現mysql就不行了，已啟動就會出現“The MySQL server quit without updating the PID file（/usr/local/bin/mysql/data/XXXXX.pid"錯誤或者出現”MySQL server cannot be found（/usr/bin/mysqld_safe)“錯誤。

Ubuntu 12.04下安裝MySQL圖解 

Linux源碼安裝MySQL 5.6.12 （Cmake編譯）

基於Cmake編譯安裝MySQL 5.5 

Ubuntu 通過Deb 安裝 MySQL 5.5 

後來發現是一個/etc/mysql/my.cnf這個檔案導致的，這個檔案是安裝了Python-MySQLdb之後才會出現的，除非你安裝mysql是把my-default.cnf拷貝到這個位置了。安裝好後Python-MySQLdb之後的/etc/mysql/my.cnf檔案的內容應該如下:

#
# The MySQL database server configuration file.
#
# You can copy this to one of:
# - "/etc/mysql/my.cnf" to set global options,
# - "~/.my.cnf" to set user-specific options.
#
# One can use all long options that the program supports.
# Run program with --help to get a list of available options and with
# --print-defaults to see which it would actually understand and use.
#
# For explanations see
# http://dev.mysql.com/doc/mysql/en/server-system-variables.html

# This will be passed to all mysql clients
# It has been reported that passwords should be enclosed with ticks/quotes
# escpecially if they contain "#" chars...
# Remember to edit /etc/mysql/debian.cnf when changing the socket location.
[client]
port        = 3306
socket        = /var/run/mysqld/mysqld.sock

# Here is entries for some specific programs
# The following values assume you have at least 32M ram

# This was formally known as [safe_mysqld]. Both versions are currently parsed.
[mysqld_safe]
socket        = /var/run/mysqld/mysqld.sock
nice        = 0

[mysqld]
#
# * Basic Settings
#
user        = mysql
pid-file    = /var/run/mysqld/mysqld.pid
socket        = /var/run/mysqld/mysqld.sock
port        = 3306
basedir        = /usr
datadir        = /var/lib/mysql
tmpdir        = /tmp
lc-messages-dir    = /usr/share/mysql
skip-external-locking
#
# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
bind-address        = 127.0.0.1
#
# * Fine Tuning
#
key_buffer        = 16M
max_allowed_packet    = 16M
thread_stack        = 192K
thread_cache_size      = 8
# This replaces the startup script and checks MyISAM tables if needed
# the first time they are touched
myisam-recover        = BACKUP
#max_connections        = 100
#table_cache            = 64
#thread_concurrency    = 10
#
# * Query Cache Configuration
#
query_cache_limit    = 1M
query_cache_size        = 16M
#
# * Logging and Replication
#
# Both location gets rotated by the cronjob.
# Be aware that this log type is a performance killer.
# As of 5.1 you can enable the log at runtime!
#general_log_file        = /var/log/mysql/mysql.log
#general_log            = 1
#
# Error log - should be very few entries.
#
log_error = /var/log/mysql/error.log
#
# Here you can see queries with especially long duration
#log_slow_queries    = /var/log/mysql/mysql-slow.log
#long_query_time = 2
#log-queries-not-using-indexes
#
# The following can be used as easy to replay backup logs or for replication.
# note: if you are setting up a replication slave, see README.Debian about
#      other settings you may need to change.
#server-id        = 1
#log_bin            = /var/log/mysql/mysql-bin.log
expire_logs_days    = 10
max_binlog_size        = 100M
#binlog_do_db        = include_database_name
#binlog_ignore_db    = include_database_name
#
# * InnoDB
#
# InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
# Read the manual for more InnoDB related options. There are many!
#
# * Security Features
#
# Read the manual, too, if you want chroot!
# chroot = /var/lib/mysql/
#
# For generating SSL certificates I recommend the OpenSSL GUI "tinyca".
#
# ssl-ca=/etc/mysql/cacert.pem
# ssl-cert=/etc/mysql/server-cert.pem
# ssl-key=/etc/mysql/server-key.pem

 

[mysqldump]
quick
quote-names
max_allowed_packet    = 16M

[mysql]
#no-auto-rehash    # faster start of mysql but no tab completition

[isamchk]
key_buffer        = 16M

#
# * IMPORTANT: Additional settings that can override those from this file!
#  The files must end with '.cnf', otherwise they'll be ignored.
#
!includedir /etc/mysql/conf.d/

至於如何修改以上檔案從而讓mysql正常啟動？接下來從我安裝mysql和python-MySQLdb的過程說起。當然如果你選擇了使用apt-get install python-mysqldb mysql-server是不會出現上述錯誤的。

接下來請看第2頁的精彩內容：

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