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A.logstash安装logstash-input-jdbc插件 1. logstash-input-jdbc 是ruby开发的,先安装ruby 下载链接https://cache.ruby-lang.org/pub/ruby/2.7/ruby-2.7.2.tar.gz # tar -xvf ruby-2.7.2.tar.gz # cd ruby-2.7.2 # ./configure # make && make install 输入 # ruby -v ...

Linux centos7安装Mongodb-4.0 1.下载 　　官方下载地址：https://www.mongodb.com/download-center/community wget https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-rhel70-4.4.2.tgz 2.上传解压 　　1)rz命令上传 　　 　　2）解压安装 　　解压：tar -zxvf mongodb-linux-x86_64-4.0.6.tgz 　

In a multitenant environment, the identity and password of a common user are known in the root and in every pluggable database (PDB). Acommon usercan connect to the root and perform operations. ...