75.zookeeper服务与分布式集群(2)

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2.1_时钟同步cp/usr/share/coneinfo/Asia/Shanghai/etc/localtime  替换时区yuminstallntp  安装ntpntpdatepool.ntp.org  同步时间2.2_hostname配置参考第一章2.3_关闭防火墙参考第一章2.4_ssh免密登录su-hadoop    切换用户mkdir.ssh    创建目录ssh-keygen-trsa    生成密钥cpid_rsa.pubauthorized_keys    copy公钥到认证文件cat~/.ssh/id_rsa.pub...