--networksettingsvi/etc/hostnamenode1nmcliconnectionmodifyenp0s3ipv4.addresses192.168.56.84/24ipv4.gateway192.168.56.1ipv4.method手动连接.autoconnectyesvi/etc/hosts192.168.56.84node1--closefirewall--prohibit防火墙启动--确认防火墙未运行状态systemctlstopfirewalld.servicesystemctldisablefirewalld.servicefirewall-cmd--statenotrunning--关闭selinuxvi/etc/selinux/configSELINUX=disabled--关闭透明大页面vi/etc/遥控d/rc.local--添加如下内容：iftest-f/sys/kernel/mm/transparent_hugepage/enabled;然后选择never>/sys/kernel/mm/transparent_hugepage/enabledfiiftest-f/sys/kernel/mm/transparent_hugepage/defrag;thenchonever>/sys/kernel/mm/transparent_hugepage/defragfi--执行以下命令：chmod+x/etc/rc.d/rc.localsource/etc/rc.d/rc.localcat/sys/kernel/mm/transparent_hugepage/enabledcat/sys/kernel/mm/transparent_hugepage/defragalwaysmadvise[never]<<---THPDisabledalwaysdeferdefer+madvisemadvise[never]--创建mysql组和用户组addmysqluseradd-gmysqlmysqlecho“mysql”|passwd--stdinmysql--restart服务器重启
