风雨飘泊

摘要： 一. 下载并解压 htps://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html ## 下载相关版本 mkdir /usr/local/java tar -zxf jdk-8u271-linux-x64.tar.gz 阅读全文

摘要： 一、RHEL8/CentOS8配置本地yum源 1. 挂载光盘镜像配置本地yum源 先移走系统默认的repo文件 cd /etc/yum.repos.d/ mkdir repobak mv *.repo repobak/ 2. 挂载本地光盘镜像 mkdir /mnt/cdrom mount -t i 阅读全文

摘要： 1. 列出所有的命令 [root@dragon03 etc]# maxctrl --help maxctrl Commands: maxctrl list <command> List objects maxctrl show <command> Show objects maxctrl set < 阅读全文

摘要： ProxySQL has supported native clustering since v1.4.2. This means multiple ProxySQL instances are cluster-aware; they are aware of each others' state 阅读全文

摘要： In this post, we are going to see how to import Oracle data into PostgreSQL. If you have been using an Oracle database and now want to move to an open 阅读全文

摘要： 一、虚构一个CA认证机构 # 生成CA认证机构的证书密钥key # 需要设置密码，输入两次 openssl> genrsa -des3 -out ca.key 1024 # 去除密钥里的密码(可选) # 这里需要再输入一次原来设的密码 openssl> rsa -in ca.key -out ca. 阅读全文

摘要： 参考: https://raw.githubusercontent.com/2ndQuadrant/repmgr/master/repmgr.conf.sample ################################################### # repmgr sample 阅读全文

摘要： 参考链接：https://mysqlserverteam.com/the-complete-list-of-new-features-in-mysql-8-0/ There are over 300 new features in MySQL 8.0. The MySQL Manual is ver 阅读全文

摘要： 1. 非压缩 archive_command = 'cp %p /appdata/pgsql/pg_archive/%f && echo %f >> /appdata/pgsql/pg_archive/archive.list' restore_command = 'cp /appdata/pgsq 阅读全文