知識點017-編譯安裝mysql

1、下載源碼包mysql

wget http://mirrors.sohu.com/mysql/MySQL-5.6/mysql-5.6.35-linux-glibc2.5-x86_64.tar.gzlinux

2、解壓源碼包sql

[root@aliyun software]# tar -xzvf mysql-5.6.35-linux-glibc2.5-x86_64.tar.gzvim

3、複製解壓後的mysql目錄app

[root@aliyun software]# mv mysql-5.6.35-linux-glibc2.5-x86_64 /usr/local/mysqlsocket

4、添加用戶組和用戶測試

groupadd mysql.net

useradd -g mysql mysqlcode

5、安裝server

切換目錄:[root@aliyun software]# cd /usr/local/mysql/

更改權限:chown -R mysql:mysql ./

./scripts/mysql_install_db --user=mysql --datadir=/usr/local/mysql/data/mysql

[root@aliyun mysql]# ./scripts/mysql_install_db --user=mysql --datadir=/usr/local/mysql/data

[root@aliyun mysql]# cp support-files/mysql.server /etc/init.d/mysqld

[root@aliyun mysql]# chmod 755 /etc/init.d/mysqld

[root@aliyun mysql]# cp support-files/my-default.cnf /etc/my.cnf

6、修改啓動腳本

[root@aliyun mysql]# vim /etc/init.d/mysqld

 

7、測試鏈接

[root@aliyun local]# pwd
/usr/local
[root@aliyun local]# ./mysql/bin/mysql -uroot

 

8、加入環境變量

編輯 /etc/profile,這樣能夠在任何地方用mysql命令了

 [root@aliyun local]# vim /etc/profile

在最後添加

[root@aliyun local]# source /etc/profile

9、啓動、關閉、狀態

啓動mysql

service mysqld start

關閉mysql

service mysqld stop

查看運行狀態

service mysqld status

10、報錯問題處理

[ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.user' doesn't exist。

[root@aliyun local]# more /etc/my.cnf |grep -v ^#

正常狀況下爲空值

[client]
socket=/usr/local/mysql/data/mysql/mysql.sock
[mysqld]
datadir=/usr/local/mysql/data/mysql
socket=/usr/local/mysql/data/mysql/mysql.sock
user=mysql
old_passwords=1

[mysqld_safe]
log-error=/usr/local/mysql/data/mysql/mysqld.log
pid-file=/usr/local/mysql/data/mysql/mysqld.pid
 

#因爲編譯安裝時指定的路徑爲/opt/data以及mysql_install_db時指定的datadir也爲/opt/data,而my.cnf爲缺省的路徑
#所以修改datadir至正確路徑後,問題解決

操做命令記錄

tar -xf mysql-5.6.33-linux-glibc2.5-x86_64.tar.gz 
ls
mv mysql-5.6.33-linux-glibc2.5-x86_64 /usr/local/mysql
id mysql
groupadd mysql
useradd -g mysql mysql
id mysql
df -h
cd
cd /app
ls
mkdir data
chown -R mysql.mysql data
ll
cd /usr/local/mysql/
ls
cd scripts/
ls
./mysql_install_db --basedir=/usr/local/mysql/ --datadir=/app/data/
ll /app/data/
cd ../
ls
cd support-files/
ls
cp mysql.server /etc/init.d/mysqld
cd
chmod 755 /etc/init.d/mysqld 
vi /etc/my.cnf 
[client]
socket=/app/data/mysql.sock
[mysqld]
server_id=1
datadir=/app/data
basedir=/usr/local/mysql
socket=/app/data/mysql.sock
user=mysql
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

[mysqld_safe]
log-error=/app/data/mysqld.log
pid-file=/app/data/mysqld.pid
/etc/init.d/mysqld start
mysql
/usr/local/mysql/bin/mysql
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