p)47 에 ssh설정 - 터미널에서 실습한거 복붙

[root@namenode ~]# vi /etc/sysconfig/network

[root@namenode ~]# ipconfig

bash: ipconfig: command not found

[root@namenode ~]# service network restart

Shutting down loopback interface:                          [  OK  ]

Bringing up loopback interface:                            [  OK  ]

Bringing up interface eth0:  Active connection state: activated

Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/2

                                                           [  OK  ]

[root@namenode ~]# ipconfig

bash: ipconfig: command not found

[root@namenode ~]# ifconfig

eth3      Link encap:Ethernet  HWaddr 08:00:27:EF:BB:99  

          inet addr:192.168.56.101  Bcast:192.168.56.255  Mask:255.255.255.0

          inet6 addr: fe80::a00:27ff:feef:bb99/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:1 errors:0 dropped:0 overruns:0 frame:0

          TX packets:30 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:1000 

          RX bytes:590 (590.0 b)  TX bytes:7312 (7.1 KiB)

eth4      Link encap:Ethernet  HWaddr 08:00:27:01:32:99  

          inet addr:10.0.3.15  Bcast:10.0.3.255  Mask:255.255.255.0

          inet6 addr: fe80::a00:27ff:fe01:3299/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:17 errors:0 dropped:0 overruns:0 frame:0

          TX packets:34 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:1000 

          RX bytes:10181 (9.9 KiB)  TX bytes:4912 (4.7 KiB)

lo        Link encap:Local Loopback  

          inet addr:127.0.0.1  Mask:255.0.0.0

          inet6 addr: ::1/128 Scope:Host

          UP LOOPBACK RUNNING  MTU:16436  Metric:1

          RX packets:16 errors:0 dropped:0 overruns:0 frame:0

          TX packets:16 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0 

          RX bytes:960 (960.0 b)  TX bytes:960 (960.0 b)

[root@namenode ~]# vi /etc/hosts

[root@namenode ~]# vi /etc/hosts

[root@namenode ~]# vi /etc/hosts

[root@namenode ~]# cd /

[root@namenode /]# ls /

bin   cgroup  etc   lib         media  mnt  opt   root  selinux  srv  tmp  var

boot  dev     home  lost+found  misc   net  proc  sbin  shared   sys  usr

[root@namenode /]# cd ~

[root@namenode ~]# cd .ssh/

[root@namenode .ssh]# ls 

authorized_keys  id_dsa  id_dsa.pub  known_hosts

[root@namenode .ssh]# re -rf ~/ssh/*

bash: re: command not found

[root@namenode .ssh]# rm -rf ~/.ssh/*

[root@namenode .ssh]# ssh namenode

The authenticity of host 'namenode (::1)' can't be established.

RSA key fingerprint is 1b:03:a6:95:98:76:db:7a:16:86:d5:f6:7f:5b:e8:49.

Are you sure you want to continue connecting (yes/no)? yes

Warning: Permanently added 'namenode' (RSA) to the list of known hosts.

root@namenode's password: 

Permission denied, please try again.

root@namenode's password: 

Last login: Wed Jan  2 13:49:33 2013 from 192.168.1.100

[root@namenode ~]# exit

logout

Connection to namenode closed.

[root@namenode .ssh]# ls

known_hosts

[root@namenode .ssh]# ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa

Generating public/private dsa key pair.

Your identification has been saved in /root/.ssh/id_dsa.

Your public key has been saved in /root/.ssh/id_dsa.pub.

The key fingerprint is:

17:e8:ca:f4:13:2c:b6:ba:84:a7:e6:ed:e8:88:2a:46 root@namenode

The key's randomart image is:

+--[ DSA 1024]----+

|                 |

|         .       |

|        . .      |

|       o   .     |

|      + S .      |

| E . + = o       |

|. . o + o        |

|oo.* .   .       |

|B+=.=.           |

+-----------------+

[root@namenode .ssh]# ssh namenode

root@namenode's password: 

Last login: Sat Mar  7 16:32:41 2015 from namenode

[root@namenode ~]# logout

Connection to namenode closed.

[root@namenode .ssh]# cp ~/.ssh/id_dsa.pub ~/.ssh.quthorized_keys

[root@namenode .ssh]# cp ~/.ssh/id_dsa.pub ~/.ssh.authorized_keys

[root@namenode .ssh]# ls

id_dsa  id_dsa.pub  known_hosts

[root@namenode .ssh]# ssh namenode

root@namenode's password: 

Permission denied, please try again.

root@namenode's password: 

[root@namenode .ssh]# ssh namenode

root@namenode's password: 

Last login: Sat Mar  7 16:35:39 2015 from namenode

[root@namenode ~]# ssh namenode

root@namenode's password: 

Last login: Sat Mar  7 16:38:04 2015 from namenode

[root@namenode ~]# ssh namenode

root@namenode's password: 

Last login: Sat Mar  7 16:38:38 2015 from namenode

[root@namenode ~]# logout

Connection to namenode closed.

[root@namenode ~]# cd .ssh

[root@namenode .ssh]# cp ~/.ssh/id_dsa.pub ~/.ssh/authorized_keys

[root@namenode .ssh]# ls

authorized_keys  id_dsa  id_dsa.pub  known_hosts

[root@namenode .ssh]# ssh namenode

Last login: Sat Mar  7 16:38:48 2015 from namenode

[root@namenode ~]#