[root@vm_42_245_centos ~]# tar xf mysql-5.7.17-1.el7.x86_64.rpm-bundle.tar
[root@vm_42_245_centos ~]# ls
mysql-5.7.17-1.el7.x86_64.rpm-bundle.tar
mysql-community-client-5.7.17-1.el7.x86_64.rpm
mysql-community-common-5.7.17-1.el7.x86_64.rpm
mysql-community-devel-5.7.17-1.el7.x86_64.rpm
mysql-community-embedded-5.7.17-1.el7.x86_64.rpm
mysql-community-embedded-compat-5.7.17-1.el7.x86_64.rpm
mysql-community-embedded-devel-5.7.17-1.el7.x86_64.rpm
mysql-community-libs-5.7.17-1.el7.x86_64.rpm
mysql-community-libs-compat-5.7.17-1.el7.x86_64.rpm
mysql-community-minimal-debuginfo-5.7.17-1.el7.x86_64.rpm
mysql-community-server-5.7.17-1.el7.x86_64.rpm
mysql-community-server-minimal-5.7.17-1.el7.x86_64.rpm
mysql-community-test-5.7.17-1.el7.x86_64.rpm
[root@vm_42_245_centos ~]# rpm -qa |grep mariadb
mariadb-libs-5.5.50-1.el7_2.x86_64
[root@vm_42_245_centos ~]# rpm -e --nodeps mariadb-libs-5.5.50-1.el7_2.x86_64
[root@vm_42_245_centos ~]# useradd -s /sbin/nologin mysql
[root@vm_42_245_centos ~]# rpm -ivh mysql-community-common-5.7.17-1.el7.x86_64.rpm
[root@vm_42_245_centos ~]# rpm -ivh mysql-community-libs-5.7.17-1.el7.x86_64.rpm
[root@vm_42_245_centos ~]# rpm -ivh mysql-community-devel-5.7.17-1.el7.x86_64.rpm
[root@vm_42_245_centos ~]# rpm -ivh mysql-community-client-5.7.17-1.el7.x86_64.rpm
[root@vm_42_245_centos ~]# rpm -ivh mysql-community-libs-compat-5.7.17-1.el7.x86_64.rpm
[root@vm_42_245_centos ~]# yum -y install numactl-libs
[root@vm_42_245_centos ~]# rpm -ivh mysql-community-server-5.7.17-1.el7.x86_64.rpm
[root@vm_42_245_centos lib]# cd /usr/bin/
[root@vm_42_245_centos bin]# mysqld --initialize --user=mysql
[root@vm_42_245_centos bin]# systemctl start mysqld
[root@vm_42_245_centos bin]# cat /var/log/mysqld.log |grep pass[root@vm_42_245_centos bin]# mysql_secure_installation[root@vm_42_245_centos bin]# mysql -uroot -p
mysql> select version();
+-----------+
| version() |
+-----------+
| 5.7.17 |
+-----------+
1 row in
set (0.00 sec)
預設只允許root帳戶在本地登入，如果要在其它機器上連線mysql，必須修改root允許遠端連線，或者新增乙個允許遠端連線的帳戶，為了安全起見，我新增乙個新的帳戶：
mysql> grant all privileges on *.* to 'username'@'%' identified by 'password' with grant option;修改/etc/my.cnf配置檔案，在[mysqld]下新增編碼配置，如下所示：
[mysqld]
character_set_server=utf8
init_connect='set names utf8'重新啟動mysql服務，檢視資料庫預設編碼如下所示：
mysql安裝完成！
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