标签：hadoop cat bsp linu style scp domain 编辑 localhost
修改hostname
[root@centos7 ~]$ hostnamectl set-hostname hadoop001 # 使用这个命令会立即生效且重启也生效 [root@centos7 ~]$ hostname # 查看下 hadoop001 [root@centos7 ~]$ vim /etc/hosts # 编辑下hosts文件， 给127.0.0.1添加hostname [root@centos7 ~]$ cat /etc/hosts # 检查 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 hadoop001 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
免密码登录
scp id_rsa.pub lau@192.168.1.108:/home/lau/.ssh/pub_key #登录用户 cd ~/.ssh/ cat pub_key >> authorized_keys chmod 600 /home/lau/.ssh/authorized_keys
标签：hadoop cat bsp linu style scp domain 编辑 localhost
原文地址：https://www.cnblogs.com/brucelau/p/9312942.html
