MySQL(二)yum源與rpm包方式安裝
阿新 • • 發佈:2019-01-02
遠程登錄 ubuntu ref lin admin word adding yum源 sys
以下實踐操作是在 liux-centos7 上安裝配置
1、官網下載包
https://dev.mysql.com/downloads/repo/yum/
2、安裝yum mysql 倉庫
[root@localhost ~]# yum install -y https://repo.mysql.com//mysql57-community-release-el7-11.noarch.rpm
#查看yum mysql倉庫
[root@www ~]# ls /etc/yum.repos.d/
2.1、如果想使用本地rpm文件,則修改文件 mysql.community.repo文件
[root@localhost ~]# cat /etc/yum.repos.d/
[root@localhost ~]# vim /etc/yum.repos.d/mysql-community.repo
[mysql-connectors-community] name=MySQL Connectors Community baseurl=http://repo.mysql.com/yum/mysql-connectors-community/el/7/$basearch/ #這裏配置成本地文件路徑 enabled=1 #1 開啟 0關閉 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql # 設置成0不用檢查 [mysql-tools-community] name=MySQL Tools Community baseurl=http://repo.mysql.com/yum/mysql-tools-community/el/7/$basearch/ #這裏配置成本地文件路徑 enabled=1 # 1-開啟 0-關閉 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql # 設置成0不用檢查
3、查看過濾mysql包
[root@localhost ~]# yum list | grep "mysql-community" mysql-community-server.x86_64 5.7.19-1.el7 mysql57-community mysql-community-client.x86_64 5.7.19-1.el7 mysql57-community
4、安裝服務端和客戶端
[root@localhost ~]# yum install mysql-community-client mysql-community-server -y
或
yum install mysql-community-server
5、啟動mysql服務
[root@localhost ~]# systemctl start mysqld
6、登錄mysql
#查看密碼
[root@localhost ~]# grep ‘temporary password‘ /var/log/mysqld.log
[root@localhost ~]# mysql -uroot -p
Enter password:
7、關閉密碼策略以及修改密碼 ;詳細參考:https://www.cnblogs.com/zhi-leaf/p/5994478.html
[root@localhost ~]# set global validate_password_policy=0;
[root@localhost ~]# set global validate_password_length=1;
[root@localhost ~]# ALTER USER ‘root‘@‘localhost‘ IDENTIFIED BY ‘123456‘;
8、重啟服務並登錄
[root@localhost ~]# systemctl restart mysqld [root@localhost ~]# mysql -uroot -p Enter password:123456
9、授權遠程登錄並刷新權限
GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘%‘ IDENTIFIED BY ‘your_root_password‘ WITH GRANT OPTION;
FLUSH PRIVILEGES;
10、默認配置文件路徑:
配置文件:/etc/my.cnf 日誌文件:/var/log//var/log/mysqld.log 服務啟動腳本:/usr/lib/systemd/system/mysqld.service socket文件:/var/run/mysqld/mysqld.pid
#(a)數據庫目錄
/var/lib/mysql/
#(b)配置文件
/usr/share /mysql(mysql.server命令及配置文件)
#(c)相關命令
/usr/bin(mysqladmin mysqldump等命令)
#(d)啟動腳本
/etc/rc.d/init.d/(啟動腳本文件mysql的目錄)
如果忘記root密碼,則按如下操作恢復
#在[mysqld]的段中加上一句:skip-grant-tables 保存並且退出vi。 mysql -u root update mysql.user set authentication_string=password(‘123qwe‘) where user=‘root‘ and Host = ‘localhost‘; flush privileges
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MySQL(二)yum源與rpm包方式安裝