安裝路徑：/application/mysql-5.5.56
1.前期準(zhǔn)備
mysql依賴
libaio
yum install -y libaio
創(chuàng)建用戶mysql，以該用戶的身份執(zhí)行mysql
useradd -s /bin/false -M mysql
下載mysql二進(jìn)制包并解壓
cd /tools
wget https://dev.mysql.com/get/Downloads/MySQL-5.5/mysql-5.5.56-linux-glibc2.5-x86_64.tar.gz
tar -zxf mysql-5.5.56-linux-glibc2.5-x86_64.tar.gz -C /application/
切換到/application目錄，將mysql文件夾名改短,給mysql目錄做一個(gè)軟鏈接
cd /application/
mv mysql-5.5.56-linux-glibc2.5-x86_64/ mysql-5.5.56
ln -s mysql-5.5.56/ mysql
遞歸設(shè)置mysql目錄的所屬組和所屬用戶
chown -R mysql:mysql mysql-5.5.56/
2.mysql目錄內(nèi)操作
初始化數(shù)據(jù)庫(kù)
會(huì)在mysql目錄內(nèi)生成一個(gè)data目錄，存放數(shù)據(jù)庫(kù)的目錄
./scripts/mysql_install_db --basedir=/application/mysql --datadir=/application/mysql/data/ --user=mysql
更改所屬用戶和組
chown -R root .
chown -R mysql data
除了mysql目錄下的data目錄所屬用戶不變，其他所有文件的所屬用戶改為root
拷貝配置文件
cp support-files/my-medium.cnf /etc/my.cnf
將mysql的配置文件拷貝為/etc/目錄下的my.cnf
修改配置文件
sed -i 28i'log-error=/application/mysql/data/mysqld.error' /etc/my.cnf
在配置文件插入了一行，進(jìn)行配置錯(cuò)誤日志
/etc/my.cnf Content:
# Example MySQL config file for medium systems.
#
# This is for a system with little memory (32M - 64M) where MySQL plays
# an important part, or systems up to 128M where MySQL is used together with
# other programs (such as a web server)
#
# MySQL programs look for option files in a set of
# locations which depend on the deployment platform.
# You can copy this option file to one of those
# locations. For information about these locations, see:
# http://dev.mysql.com/doc/mysql/en/option-files.html
#
# In this file, you can use all long options that a program supports.
# If you want to know which options a program supports, run the program
# with the "--help" option.
# The following options will be passed to all MySQL clients
[client]
#password = your_password
port = 3306
socket = /tmp/mysql.sock
# Here follows entries for some specific programs
# The MySQL server
[mysqld]
port = 3306
log-error=/application/mysql/data/mysqld.error
socket = /tmp/mysql.sock
skip-external-locking
key_buffer_size = 16M
max_allowed_packet = 1M
table_open_cache = 64
sort_buffer_size = 512K
net_buffer_length = 8K
read_buffer_size = 256K
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 8M
# Don't listen on a TCP/IP port at all. This can be a security enhancement,
# if all processes that need to connect to mysqld run on the same host.
# All interaction with mysqld must be made via Unix sockets or named pipes.
# Note that using this option without enabling named pipes on Windows
# (via the "enable-named-pipe" option) will render mysqld useless!
#
#skip-networking
# Replication Master Server (default)
# binary logging is required for replication
log-bin=mysql-bin
# binary logging format - mixed recommended
binlog_format=mixed
# required unique id between 1 and 2^32 - 1
# defaults to 1 if master-host is not set
# but will not function as a master if omitted
server-id = 1
# Replication Slave (comment out master section to use this)
#
# To configure this host as a replication slave, you can choose between
# two methods :
#
# 1) Use the CHANGE MASTER TO command (fully described in our manual) -
# the syntax is:
#
# CHANGE MASTER TO MASTER_HOST=, MASTER_PORT=,
# MASTER_USER=, MASTER_PASSWORD= ;
#
# where you replace , , by quoted strings and
# by the master's port number (3306 by default).
#
# Example:
#
# CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306,
# MASTER_USER='joe', MASTER_PASSWORD='secret';
#
# OR
#
# 2) Set the variables below. However, in case you choose this method, then
# start replication for the first time (even unsuccessfully, for example
# if you mistyped the password in master-password and the slave fails to
# connect), the slave will create a master.info file, and any later
# change in this file to the variables' values below will be ignored and
# overridden by the content of the master.info file, unless you shutdown
# the slave server, delete master.info and restart the slaver server.
# For that reason, you may want to leave the lines below untouched
# (commented) and instead use CHANGE MASTER TO (see above)
#
# required unique id between 2 and 2^32 - 1
# (and different from the master)
# defaults to 2 if master-host is set
# but will not function as a slave if omitted
#server-id = 2
#
# The replication master for this slave - required
#master-host =
#
# The username the slave will use for authentication when connecting
# to the master - required
#master-user =
#
# The password the slave will authenticate with when connecting to
# the master - required
#master-password =
#
# The port the master is listening on.
# optional - defaults to 3306
#master-port =
#
# binary logging - not required for slaves, but recommended
#log-bin=mysql-bin
# Uncomment the following if you are using InnoDB tables
#innodb_data_home_dir = /usr/local/mysql/data
#innodb_data_file_path = ibdata1:10M:autoextend
#innodb_log_group_home_dir = /usr/local/mysql/data
# You can set .._buffer_pool_size up to 50 - 80 %
# of RAM but beware of setting memory usage too high
#innodb_buffer_pool_size = 16M
#innodb_additional_mem_pool_size = 2M
# Set .._log_file_size to 25 % of buffer pool size
#innodb_log_file_size = 5M
#innodb_log_buffer_size = 8M
#innodb_flush_log_at_trx_commit = 1
#innodb_lock_wait_timeout = 50
[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
#safe-updates
[myisamchk]
key_buffer_size = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout
拷貝啟動(dòng)程序
cp support-files/mysql.server /etc/init.d/mysql
將mysql的啟動(dòng)程序拷貝到/etc/init.d/目錄下，以便啟動(dòng)程序
編輯啟動(dòng)文件，配置啟動(dòng)目錄
方法一：
思路是給配置文件提供的變量進(jìn)行賦值。較麻煩。
sed -i ':a;N;$!ba;s/basedir=\ndatadir=/basedir=\/application\/mysql\ndatadir=\/application\/mysql\/data/g' /etc/init.d/mysql
sed -i ':a;N;$!ba;s/mysqld_pid_file_path=\n/mysqld_pid_file_path=\/application\/mysql\/data\/mysqld.pid\n/g' /etc/init.d/mysql
等價(jià)于將45、46兩行
basedir=
datadir=
mysqld_pid_file_path=
替換成
basedir=/application/mysql
datadir=/application/mysql/data
mysqld_pid_file_path=/application/mysql/data/mysql.pid
方法二(推薦)：
思路是將腳本的默認(rèn)地址(/usr/local/mysql)直接替換成自定義路徑(/application/mysql)，便不用給變量賦值
sed -i 's#/usr/local/mysql#/application/mysql#g' /etc/init.d/mysql
到這里mysql安裝完成可以正常啟動(dòng)
3.后期結(jié)尾
命令創(chuàng)建軟鏈接
將mysql命令創(chuàng)建軟鏈接到環(huán)境變量的目錄，使用戶可以在變量找到相應(yīng)的命令
ln -s /application/mysql/bin/* /usr/local/sbin
設(shè)置與修改密碼
第一次設(shè)置密碼：
mysqladmin -u'' password ''
例子：
mysqladmin -u'root' password 'PassWord'
往后修改密碼：
mysqladmin -u'' -p'' password ''
例子：
mysqladmin -u'root' -p'PassWord' password 'NewPassWord'
登錄mysql
$ mysql -u'root' -p'PassWord'
Welcome to the MySQL monitor. Commands end with ; or \g.
...
mysql> #成功登陸到mysql控制臺(tái)
$ mysql -uroot -pPassWord
Welcome to the MySQL monitor. Commands end with ; or \g.
...
mysql> #成功登陸到mysql控制臺(tái)
$ mysql -u'root' -p
Enter password: #這里輸入用戶的密碼
Welcome to the MySQL monitor. Commands end with ; or \g.
...
mysql> #成功登陸到mysql控制臺(tái)
$ mysql -uroot -p
Enter password: #這里輸入用戶的密碼
Welcome to the MySQL monitor. Commands end with ; or \g.
...
mysql> #成功登陸到mysql控制臺(tái)
鍵入quit或Ctrl + d退出mysql環(huán)境
mysql> quit
Bye
[root@www mysql]#
or
mysql> ^DBye
[root@www mysql]#
4.常用命令
進(jìn)入mysql
mysql -u'root' -p'PassWord'
mysql -uroot -pPassWord
mysql -u'root' -p
mysql -uroot -p
啟動(dòng)mysql
停止mysql
重啟mysql
以上所述是小編給大家介紹的Mysql 5.5.56版本（二進(jìn)制包安裝）自定義安裝路徑步驟記錄，希望對(duì)大家有所幫助，如果大家有任何疑問(wèn)請(qǐng)給我留言，小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對(duì)腳本之家網(wǎng)站的支持！
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