HADOOP 部署HA
一、准备工作1.服务器信息序号hostnameip配置主要进程1hanode01192.168.0.2014核8g1TNameNode，ZKFC，HMaster，Keepalived2hanode02192.168.0.2024核8g1TNameNode，ZKFC，HMaster，Keepalived3hanode03192.168.0.2034核8g1TResourceManager4hanode04192.168.0.2044核8g1TResourceManager5hanode05192.168.0.2054核8g1TDataNode，NodeManager，JournalNode...
MYSQL主主复制HA
1. 数据库安装1.1 mysql安装1.1.1 安装mysqldPS ：分别在docloud008和docloud012上按照以下步骤安装mysqld配置mysql yum源并安装 yum install http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm -y安装mysqlyum install mysql-community-server -y启动mysqlsystemctl start mysqld && systemctl enable mysqld修改mysql密码#获取默认密...
MONGODB副本集部署
1、mongodb副本集部署服务器信息序号hostnameip配置1mongodb01192.168.0.2164核8g1T2mongodb02192.168.0.2174核8g1T3mongodb03192.168.0.2184核8g1T1.1、 集群拓扑图1.2、下载二进制包本次部署集群所使用mongodb版本为3.6.20官网下载地址：https://www.mongodb.com/try/download/community1.3、规划数据目录在mongodb_01上创建安装目录[root@mongodb_01 ~]# mkdir /hdata/mongo_data/{data,...