greenplum install 注意事项:1.hostname 不能大写##2.如果segment和mirror副本数比较大,建议调整/etc/ssh/sshd_config的maxconnect数值3.系统参数需要修改kernel.sem = 500 1024000 200 8192 ##############这个配置是三个节点 6块磁盘,每个磁盘6个segment 6个mirror 如果segment超过这个比例的话,需要对应调整sem的参数4.要使用gpadmin这个用户安装软件 v…

About Greenplum Database Greenplum Database is an MPP SQL Database based on PostgreSQL.  Its used in production in hundreds of large corporations and government agencies around the world and including the open source has over thousands of deployments…

环境:OEL 5.7 + Oracle 10.2.0.5 RAC 如果你正在用OEL(Oracle Enterprise Linux)系统部署Oracle,那么可以使用yum安装oracle-validated包来简化主机配置的部分工作. 配置好yum本地源后,直接执行一条命令 yum install oracle-validated 检查发现它会自动做以下几件事: 1)安装oracle依赖包 2)/etc/sysctl.conf 增加oracle用户内容 3)/etc/security/lim…

17:34:37,235 INFO [Http11Protocol] Starting Coyote HTTP/1.1 on http-0.0.0.0-8080 17:34:37,281 INFO [AjpProtocol] Starting Coyote AJP/1.3 on ajp-localhost%2F127.0.0.1-8009 17:34:37,291 INFO [Server] JBoss (MX MicroKernel) [4.2.3.GA (build: SVNTag=JBos…

注意 RHEL5 和 RHEL6 的不同 How to use yum to download a package without installing it Solution Verified - Updated October 22 2015 at 2:36 PM - English Environment Red Hat Enterprise Linux (RHEL) 7 Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 5 Issue…

这篇文章主要briefly introduce the Install and configure SharePoint 2013 Workflow. Microsoft 推出了新的Workflow engine 针对于SharePoint 2013 Server--Workflow Manager,这个Service是基于Windows Workflow Foundation的,但是OOTB(out-of-the-box)安装却被隐藏了,当sharepoint 2013 Server安装的时候…

Nowaday, Redis became more and more popular , many projects use it in the cache module and the store module. There are already many people wrote posts about Redis.And I am vary pleasure to join them to share my learing of Redis. But I am new in this…

资料来源 : http://www.tutorialspoint.com/hadoop/hadoop_enviornment_setup.htm Hadoop 安装 创建新用户 $ su password: # useradd hadoop -g root # passwd hadoop New passwd: Retype new passwd 修改/etc/sudoers 赋予sudo 权限 设置ssh SSH Setup and Key Generation SSH setup is re…

在第一次运行bundle install之后,生成了Gemfile.lock文件,里面记录gem的具体版本号,按照官方文档说明,以后运行bundle install就不会再依据Gemfile,而是根据lock文件来安装gem,以免在新的机器中安装的版本与lock中不同,导致gem混乱. 实际试验步骤: 1.第一次运行bundle install,lock文件中为 sqlite3 (1.3.11-x86-mingw32) 2.将Gemfile文件中的 gem 'sqlite3'   改为 gem …

Centos7这个比较不厚道, minimal install下居然不带net-tools 先要连上网络 修改/etc/sysconfig/network-scripts/ifcfg-ens123123 去掉其中ipv6相关的内容, 改为 TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes PEERDNS=yes PEERROUTES=yes IPV4_FAILURE_FATAL=no NAME=ens160 UUID=65c09798-4a11-4dd8--…