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环境准备安装包greenplum-db-6.9.0-rhel7-x86_64.rpm下载地址https://github.com/greenplum-db/gpdb/releases主机节点192.168.1.1 master192.168.1.2 segment1192.168.1.3 segment2环境配置------所有服务器都需配置------关闭防火墙systemctl disable firewalld #禁用systemctl stop fi

复制远程文件将1.zip文件复制到/usr/local/下scp root@192.168.1.1:/usr/local/1.zip /usr/local/1.zip复制远程目录将img文件夹复制到/usr/local/目录下scp -r root@192.168.1.1:/usr/local/img/ /usr/local/上传文件将/usr/local/1.zip文件上传到远程/usr/local/下scp /usr/local/1.zip root@192.168.1.1:/usr

1. 两台mysql服务器，并处于同一局域网中。(参见mysql8安装)2. Master创建账号并授权Replication Slave权限CREATE USER 'admin'@'%' IDENTIFIED BY '123456';GRANT REPLICATION SLAVE ON *.* TO 'admin'@'%';3. Master下/etc/my.cnf文件中加入log-bin = mysql-binserver-id = 1 #必须为纯数字，不能为0或空4. 重启Maste

安装依赖yum -y install gcc zlib zlib-devel pcre-devel openssl openssl-devel解压缩tar -zxvf linux-nginx-1.16.1.tar.gz执行配置cd nginx-1.16.1/./configure --prefix=/usr/local/nginx --with-http_ssl_module编译安装makemake install常用命令默认安装：/usr/local/nginx/启动：

1.软件地址https://github.com/git/git/releases2.下载软件包cd /usr/local/softwget https://github.com/git/git/releases/tag/v2.28.03.安装依赖yum install -y curl-devel expat-devel gettext-devel openssl-devel zlib-devel gcc perl-ExtUtils-MakeMaker4.解压临时目录解压到临时目录t

1. 安装指定目录mkdir /usr/local/mysqlcd /usr/local/mysql下载安装包wget https://repo.mysql.com//mysql80-community-release-el7-3.noarch.rpm执行安装yum -y install mysql80-community-release-el7-3.noarch.rpmyum -y install mysql-community-server2. 启动\查看systemctl s

操作systemctl start crond.service #启动systemctl stop crond.service #停止systemctl restart crond.service #重启systemctl reload crond.service #重新载入systemctl status crond.service #查看查看crontabcrontab –l编辑crontabcrontab –e删除crontabcrontab –r定时执行*

查看已开放端口firewall-cmd --zone=public --list-ports开启关闭systemctl start firewalld #启动systemctl disable firewalld #禁用systemctl stop firewalld #停止systemctl status firewalld #查看开启端口firewall-cmd --zone=public --add-port=80/tcp --permanent删除端口firewall-c

1. 查询是否已安装rpm -qa | grep jdkrpm -qa | grep gcj2. 清除已安装yum -y remove java-xxx-xxx3. 创建目录mkdir /usr/local/javachmod -R 777 /usr/local/javacd /usr/local/java4. 下载安装包wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-s

后台运行项目并输出日志到指定位置nohup java -jar xxx.jar > xxx.log &

1. 安装1.1 创建目录mkdir /usr/local/mysql1.2 分配权限chmod -R 777 /usr/local/mysql1.3 切换目录cd /usr/local/mysql1.4 下载repowget https://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm1.5 安装reporpm -ivh mysql57-community-release-el7-9.noarch.rp

1. 备份CentOS-Base.repomv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup2. 下载阿里云CentOS-Base.repowget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo3. 生成缓存yum makecache...