最新日志查看
ls -lrt
监控系统命令
top
vmstat * ( *输入数字 前边是多少秒一次 后边是次数)
Oracle创建用户等一系列
create user lizhao identified by sunning;
grant resource to lizhao;
grant connect to lizhao;
grant dba to lizhao;
conn lizhao/sunning;
Kdump 是个log文件
yum源
cd /media/CentOS_6.6_Final/Packages/
mkdir /yum
cp * /yum
cd /yum
安装依赖环境
rpm -ivh deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
rpm -ivh python-deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
rpm -ivh createrepo-0.9.9-22.el6.noarch.rpm
hadoop的模式
单机模式
伪分布式集群 (实验节点往往是这种)
完全分布式集群(生产环境)