生成公鑰和私鑰:
[root@hadoop102 .ssh]$ ssh-keygen -t rsa
然后敲(三下回車)诺舔,就會(huì)生成兩個(gè)文件id_rsa(私鑰)丐怯、id_rsa.pub(公鑰)
將公鑰拷貝到要免密登錄的目標(biāo)機(jī)器上
[root@hadoop102 .ssh]$ ssh-copy-id hadoop103
[root@hadoop102 .ssh]$ ssh-copy-id hadoop104
生成公鑰和私鑰:
[root@hadoop102 .ssh]$ ssh-keygen -t rsa
然后敲(三下回車)诺舔,就會(huì)生成兩個(gè)文件id_rsa(私鑰)丐怯、id_rsa.pub(公鑰)
將公鑰拷貝到要免密登錄的目標(biāo)機(jī)器上
[root@hadoop102 .ssh]$ ssh-copy-id hadoop103
[root@hadoop102 .ssh]$ ssh-copy-id hadoop104