CentOS6.9安裝mysql5.7
1、查看系統版本
uname -a
2、卸載old mysql
rpm -qa|grep -i mysql
rpm -ev MySQL-client-5.5.25a-1.rhel5 如果提示依賴錯誤,增加–nodeps
find / -name mysql
rm -rf /var/lib/mysql
rm -rf /var/lib/mysql
rm -rf /usr/lib64/mysql
rm -rf /etc/my.cnf
rpm -qa|grep -i mysql
3、下載mysql,如果是centos6系列一定要el6,不然出現glibc安裝錯誤
wget http://mirror.centos.org/centos/6/os/x86_64/Packages/numactl-2.0.9-2.el6.x86_64.rpm
tar -xvf mysql-5.7.16-1.el6.x86_64.rpm-bundle.tar
4、安裝基礎包
yum install gcc gcc-c++ ncurses-devel perl
wget http://mirror.centos.org/centos/6/os/x86_64/Packages/numactl-2.0.9-2.el6.x86_64.rpm
#這個包在安裝server提示libnuma.so.1
5、安裝mysql(順序:common-libs-client-server,裏面compat,test,devel,embedded根據需要安裝)
rpm -ivh mysql-community-common-5.7.18-1.el6.x86_64.rpm
rpm -ivh mysql-community-libs-5.7.16-1.el6.x86_64.rpm
rpm -ivh mysql-community-client-5.7.16-1.el6.x86_64.rpm
rpm -ivh mysql-community-server-5.7.16-1.el6.x86_64.rpm
(遇到問題error: Failed dependencies:
libnuma.so.1()(64bit) is needed by mysql-community-server-5.7.16-1.el6.x86_64)
yum install libnuma.so.1 安裝後的包是numactl-2.0.9-2.el6.i686.rpm,問題依舊,經分析後重新下載 yum -y install libnuma.so.1.x86_64,重新編譯安裝,成功!原因估計是系統不兼容i686)
6、啟動服務
service mysqld start
7、查看root 臨時密碼
grep ‘temporary password’ /var/log/mysqld.log
8、修改root密碼
mysql -uroot -p
ALTER USER ‘root’@’localhost’ IDENTIFIED BY ‘MyNewPass4!’;
設置用戶 root 可以在任意 IP 下被訪問:
grant all privileges on .
設置用戶 root 可以在本地被訪問:
grant all privileges on . to root@”localhost” identified by “新密碼”;
刷新權限使之生效:
flush privileges;
啟動 MySQL 服務:
service mysqld start
關閉 MySQL 服務:
service mysqld stop
重啟 MySQL 服務:
service mysqld restart
查看 MySQL 的狀態:
service mysqld status
查看 MySQL 的字符集:
mysql> show variables like ‘%character%‘;
修改字符集為UTF-8,找到my.cnf配置文件,修改如下:
重啟MySQL後生效。
忘記密碼時,可用如下方法重置:
# service mysqld stop
# mysqld_safe --user=root --skip-grant-tables --skip-networking &
# mysql -u root
mysql> use mysql;
mysql> update user set password=password("new_password") where user="root";
mysql> flush privileges;
CentOS6.9安裝mysql5.7