下载地址: http://maven.apache.org/download.cgi
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$ groupadd hadoop $ useradd -g hadoop hadoop$ vi /etc/passwd 去掉`hadoop:x:`中的x,在sudoers中添加hadoop,问题列表有已经列出$ yum install openssh-server // 安装SSH$ su hadoop // 切换至hadoop用户$ ssh-keygen -t rsa -P "" // 生成公钥$ cat /home/hadoop/.ssh/id_rsa.pub >> /home/hadoop/.ssh/authorized_keys // 将公钥加入自动验证,用于免登陆 $ ssh localhost // yes无密码设置成功,需要关闭selinux防火墙
Meone
iOS Developer & Coder
重庆,中国 & ChongQing, China
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