Hadoop版本为1.2.1
Linux使用Fedora19并使用hadoop账号安装
第一步:配置ssh本地登录证书(虽然为伪分布模式,Hadoop依然会使用SSH进行通信)
[hadoop@promote ~]$ which ssh
/usr/bin/ssh
[hadoop@promote ~]$ which ssh-keygen
/usr/bin/ssh-keygen
[hadoop@promote ~]$ which sshd
/usr/sbin/sshd
[hadoop@promote