linux安裝部署mysql
聯繫qq:413607496,大家可以互相討論一下。
1、需要mysql-linux安裝包
本次使用mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz進行安裝
2、將此安裝包上傳至linux服務器
上傳路徑爲:/usr/local
3、解壓mysql
輸入命令:tar zxvf mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz
4、複製mysql到/usr/local/mysql文件夾內(注意mysql-5.7.17-linux-glibc2.5-x86_64此文件夾名稱不會變,複製粘帖後的會被改名爲mysql)
輸入命令:cp mysql-5.7.17-linux-glibc2.5-x86_64 /usr/local/mysql -r
5、添加系統mysql組和mysql用戶
輸入命令:groupadd mysql和useradd -r -g mysql mysql
6、進入安裝mysql軟件目錄:執行命令
輸入命令: cd /usr/local/mysql
7、修改當前目錄擁有者爲mysql用戶:執行命令
輸入命令: chown -R mysql:mysql ./
8、安裝數據庫之前創建文件夾,這個很重要
輸入命令: mkdir /usr/local/mysql/data
9、安裝數據庫:執行命令
輸入命令: ./bin/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data/
10、複製配置文件到 /etc/my.cnf
輸入命令: cp -a ./support-files/my-default.cnf /etc/my.cnf (選擇y)
11、mysql的服務腳本放到系統服務中,然後修改my.cnf文件
輸入命令: cp -a ./support-files/mysql.server /etc/init.d/mysqld
編輯文件:vi /etc/my.cnf
//修改my.cnf文件 (vi /etc/my.cnf) # These are commonly set, remove the # and set as required. basedir = /usr/local/mysql datadir = /usr/local/mysql/data port = 3306 # server_id = ..... socket = /tmp/mysql.sock character-set-server = utf8 # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M
12、啓動mysql
輸入命令: service mysqld start
13、查看mysql初始密碼(記住並複製下來,等會登陸mysql需要)
輸入命令: cat /root/.mysql_secret
14、進入mysql:bin/mysql -uroot -p (把剛剛複製的密碼粘貼上來)
15、登錄後重置root密碼
mysql> SET PASSWORD FOR 'root'@localhost = PASSWORD('123456');
Query OK, 0 rows affected, 1 warning (0.00 sec)
16、修改linux防火牆端口,開發3306給外部訪問,編輯iptables
輸入命令: vi /etc/sysconfig/iptables
添加一句:-A INPUT -p tcp -m tcp --dport 3306 -j ACCEPT
17、修改mysql配置,允許外部訪問:
輸入命令: cd /usr/local/mysql/bin
登錄mysql數據庫命令: ./mysql -uroot -p123456
mysql>use mysql;
mysql>update user set host = '%' where user = 'root';
18、重啓防火牆,重啓mysql數據庫
輸入命令: service iptables restart重啓防火牆
輸入命令: service mysqld restart重新mysql
19、設置mysql開機啓動
查看mysql是否開機啓動
# chkconfig --list | grep mysqld
設置開機啓動
# chkconfig mysqld on