Linux系统 配置ssh无密码登录

配置 master slave1 slave2 集群的无密码登录

1.在master 的 ~/.ssh 目录下
ssh-keygen -t rsa

2.cp id_rsa.pub authorized_keys

3.在slave1 slave2 的~/.ssh目录下 执行上述两步 生成 id_rsa.pub 并
cp id_rsa.pub slave1.pub
cp id_rsa.pub slave2.pub
scp slave1.pub zj@master:/home/zj/.ssh
scp slave2.pub zj@master:/home/zj/.ssh

4.在master的~/.ssh 目录下
cat slave1.pub >> authorized_keys
cat slave2.pub >> authorized_keys

5.把mster 的 authorized_keys复制到slave1 slave2 .ssh 目录下
scp authorized_keys zj@slave1:/home/zj/.ssh
scp authorized_keys zj@slave2:/home/zj/.ssh