最新日志查看
ls -lrt
監(jiān)控系統(tǒng)命令
top
vmstat * ( *輸入數(shù)字 前邊是多少秒一次 后邊是次數(shù))
Oracle創(chuàng)建用戶(hù)等一系列
create user lizhao identified by sunning;
grant resource to lizhao秸应;
grant connect to lizhao;
grant dba to lizhao虐急;
conn lizhao/sunning森渐;
Kdump 是個(gè)log文件
yum源
cd /media/CentOS_6.6_Final/Packages/
mkdir /yum
cp * /yum
cd /yum
安裝依賴(lài)環(huán)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
單機(jī)模式
偽分布式集群 (實(shí)驗(yàn)節(jié)點(diǎn)往往是這種)
完全分布式集群(生產(chǎn)環(huán)境)