1、mysql官網下載離線安裝包mysql-5.7.29-1.el7.x86_64.rpm-bundle.tar
2、將mysql-5.7.29-1.el7.x86_64.rpm-bundle.tar安裝包上傳到centos服務器/data/soft目錄下,並解壓
tar -xvf mysql-5.7.29-1.el7.x86_64.rpm-bundle.tar
3、卸載CentOS7系統自帶的mariadb
rpm -qa|grep mariadb
rpm -e --nodeps mariadb-libs-5.5.60-1.el7_5.x86_64
4、安裝mysql-community-common-5.7.29-1.el7.x86_64.rpm
rpm -ivh mysql-community-common-5.7.29-1.el7.x86_64.rpm
5、安裝mysql-community-libs-5.7.29-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-5.7.29-1.el7.x86_64.rpm
6、安裝mysql-community-client-5.7.29-1.el7.x86_64.rpm
rpm -ivh mysql-community-client-5.7.29-1.el7.x86_64.rpm
7、安裝server
rpm -ivh mysql-community-server-5.7.29-1.el7.x86_64.rpm
此步報錯,根據報錯信息,需要安裝perl、net-tools、libaio.so依賴
安裝perl依賴
yum install perl*
yum install cpan
安裝net-tools依賴
yum install net-tools
安裝libaio.so依賴
yum install libaio
上面的三個依賴安裝完後,重新安裝server,如下圖,就可以安裝成功了
8、如下圖將/var/log/mysqld.log文件下載到本地,並右邊紅框中的密碼copy到記事本中記下,
使用下面語句進行登錄,並將上一步獲取到的密碼copy密碼輸入處理,如下圖登錄成功
mysql -u root -p
9、修改密碼
# 修改密碼
alter user 'root'@'localhost' identified by '123456aB?';
# 使密碼生效
flush privileges;
# 允許以root身份遠程登錄mysql
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456aB?' WITH GRANT OPTION;