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centos7安裝mysql和mysqlclient遇到的坑總結(jié)
服務(wù)器
1. 添加mysql Yum源
Mysql官網(wǎng)>DOWNLOADS>MYSQL Yum Repository找到合適版本的yum源
$wget https://dev.mysql.com/get/mysql80-community-release-el7-2.noarch.rpm $sudo rpm -Uvh mysql80-community-release-el7-2.noarch.rpm #查看MySQL數(shù)據(jù)庫(kù)各個(gè)版本信息 $yum repolist all | grep mysql
2. 選擇安裝版本
修改/etc/yum.repos.d/mysql-community.repo 文件,選擇MySQL5.7版本
# Enable to use MySQL 5.6 [mysql56-community] name=MySQL 5.6 Community Server baseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/7/$basearch/ enabled=0 # 禁止 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql # Enable to use MySQL 5.7 [mysql57-community] name=MySQL 5.7 Community Server baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/ enabled=1 # 安裝 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql [mysql80-community] name=MySQL 8.0 Community Server baseurl=http://repo.mysql.com/yum/mysql-8.0-community/el/7/$basearch/ enabled=0 # 禁止 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
3. 安裝
#執(zhí)行以下命令安裝MySQL yum install mysql-community-server #啟動(dòng)mysql(CentOS7中) systemctl start mysqld.service #低版本的操作系統(tǒng)可用以下指令 service mysqld start #查看MySQL狀態(tài) systemctl status mysqld.service #低版本操作系統(tǒng)可用以下指令 service mysqld status
4. 查看并修改密碼
$grep password /var/log/mysqld.log 2019-04-11T08:17:16.706096Z 1 [Note] A temporary password is generated for root@localhost: ux#bkaM(k1q- $mysql -u root -p >ux#bkaM(k1q- # 修改密碼 mysql>ALTER USER \'root\'@\'localhost\' IDENTIFIED BY \'complex password\'; mysql>set global validate_password_policy=0; mysql>set global validate_password_length=1; mysql>ALTER USER \'root\'@\'localhost\' IDENTIFIED BY \'simple password\';
5. 配置開放3306端口
授權(quán)的方式允許任何主機(jī)訪問(wèn)mysql服務(wù)器:【一般采用這個(gè)即可,限制端口訪問(wèn)交由firewalld來(lái)做】
mysql>GRANT ALL PRIVILEGES ON *.* TO \'root\'@\'%\' IDENTIFIED BY \'password\' WITH GRANT OPTION;
限定ip訪問(wèn):
mysql>GRANT ALL PRIVILEGES ON *.* TO \'jack\'@\'10.10.50.127\' IDENTIFIED BY \'password\' WITH GRANT OPTION;
以上就是centos7 安裝mysql和mysqlclient遇到的一些坑和需要注意的知識(shí)點(diǎn)總結(jié),感謝大家的閱讀和對(duì)創(chuàng)新互聯(lián)的支持。
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