# 1.可通过 yum 安装
```bash
yum install http://www.percona.com/downloads/percona-release/redhat/0.1-6/percona-release-0.1-6.noarch.rpm
yum list | grep percona
yum install Percona-Server-server-57
```
# 2.还可通过 rpm packages 安装
```bash
wget https://www.percona.com/downloads/Percona-Server-LATEST/Percona-Server-5.7.22-22/binary/redhat/7/x86_64/Percona-Server-5.7.22-22-rf62d93c-el7-x86_64-bundle.tar
tar xvf Percona-Server-5.7.22-22-rf62d93c-el7-x86_64-bundle.tar
ls *.rpm
rpm -ivh Percona-Server-server-57-5.7.22-22.1.el7.x86_64.rpm \
Percona-Server-client-57-5.7.22-22.1.el7.x86_64.rpm \
Percona-Server-shared-57-5.7.22-22.1.el7.x86_64.rpm \
Percona-Server-shared-compat-57-5.7.22-22.1.el7.x86_64.rpm
```
``rpm -ivh *.rpm``
可通过该命令,安装全部的包,包括 debugging,testing,etc
# 3.配置文件
数据文件默认在:``/var/lib/mysql/``
配置文件默认在:``/etc/my.cnf``
# 4.启动、停止服务
CentOS 6:
```bash
service mysqld start
service mysqld restart
## ...
```
CentOS 7:
```bash
systemctl start mysqld.service
systemctl restart mysqld.service
## ...
## 添加开机启动
systemctl enable mysqld.service
```
# 5.卸载
```bash
# 停止服务
service mysqld stop
##or
systemctl stop mysqld.service
# 删除包
yum remove Percona-Server*
# 删除数据目录和配置文件
rm -rf /var/lib/mysql
rm -f /etc/my.cnf
```
# 6.修改 Percona 默认密码
修改方法与 mysql 5.7 配置一样,运行``mysql_secure_installation``命令,根据提示操作即可。
默认密码在错误日志中,错误日志位置可以在``/etc/my.cnf``文件中找到(``log-error``),一般是``/var/log/mysqld.log``,可以通过以下命令快捷找到:
```bash
cat /var/log/mysqld.log | grep "temporary password"
```
Centos 安装 Percona Server 代替mysql