ssh root@192.168.1.128 = ssh 192.168.1.128
[root@sky ~]# w -f 12:57:14 up 15 min, 2 users, load average: 0.00, 0.09, 0.16 USER TTY LOGIN@ IDLE JCPU PCPU WHAT root tty1 12:44 15:03 3.89s 3.89s /usr/bin/Xorg :0 -br -verbose -audit 4 -auth /var/run/gdm/auth-f root pts/1 12:47 0.00s 0.14s 0.01s w -f [root@sky ~]# w -f 12:57:31 up 15 min, 3 users, load average: 0.00, 0.08, 0.16 USER TTY LOGIN@ IDLE JCPU PCPU WHAT root tty1 12:44 15:20 3.89s 3.89s /usr/bin/Xorg :0 -br -verbose -audit 4 -auth /var/run/gdm/auth-f root pts/1 12:47 0.00s 0.27s 0.13s w -f server pts/0 12:57 4.00s 0.01s 0.01s -bash [root@sky ~]#
rm know-host (在对端IP变化之后不能正常登陆）[root@sky .ssh]# ll 总用量 0 [root@sky .ssh]# ssh server@192.168.1.151 The authenticity of host '192.168.1.151 (192.168.1.151)' can't be established. RSA key fingerprint is b4:7a:6e:c0:0c:40:b2:82:ec:9d:c8:d9:b3:c4:9e:d1. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '192.168.1.151' (RSA) to the list of known hosts. server@192.168.1.151's password: Last login: Sat Nov 28 12:57:27 2015 from 192.168.1.128 [server@sky ~]$ w -f 13:07:19 up 25 min, 3 users, load average: 0.00, 0.00, 0.07 USER TTY LOGIN@ IDLE JCPU PCPU WHAT root tty1 12:44 25:08 4.74s 4.74s /usr/bin/Xorg :0 -br -verbose -audit 4 -auth /var/run/gdm/auth- root pts/1 12:47 1:15 0.19s 0.19s -bash server pts/0 13:07 0.00s 0.16s 0.13s w -f [server@sky ~]$ exit logout Connection to 192.168.1.151 closed. [root@sky .ssh]# ll 总用量 4 -rw-r--r--. 1 root root 395 11月 28 13:07 known_hosts [root@sky .ssh]# cat known_hosts 192.168.1.151 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEArinKVqGOyc7I13M2dGgs9X3rBtKdYxj+zvn5O6fWWzhy4jggK3J+1TtW/w7NpVqlO27jtFQ91wFUg2EdL4IFL9Q/bRJld5YfRuvoGC4XKTYce8PB3KzQdbm8cd8/nfFtFumEw3GTSlJOVO6USSobgLBAXIkgUtVdeqiLqc0GRQ8Ayr0EqE8CQEQmZYJ9CGDrqGuAmLEKr2iqDhl3FDBn+mHgWkgNYGJHgTomlRRUIFIUO28NxHmHROtOnFK5bC4wBJVlYq24Q+Zz6RpaZfxXPt/WrS0r3/X2gIClAE53NDF+yqE4L0Im/WoNYpCkUlOSHaSWsbWhqobINY29e8bqmw== [root@sky .ssh]#
ssh免密码登陆。配置ssh密钥对认证 公钥、私钥
1 ssh-keygen 2 cd /home/client/.ssh/ 3 ll 4 ssh-copy-id server@192.168.1.151 5 ll 6 cat id_rsa.pub 7 cat /etc/ssh/sshd_config 8 su - 9 ssh server@192.168.1.151[client@sky root]$ ssh server@192.168.1.151
Last login: Sat Nov 28 13:25:10 2015 from 192.168.1.128
[server@sky ~]$ cd .ssh/
[server@sky .ssh]$ ls
authorized_keys
[server@sky .ssh]$ cat authorized_keys
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCqAzg/wPCEPdP1N9IyosfXWIz9hOXRP87AHZPRUTIHDdsmsfgghcfuPYLTqFS6cAdrj9zgeOzUVmCideFa1LYFLyzXldLduODIfROtwIPmK0WMwlTeBsfu8RABPJH6jvJCkfIlhgxfEmr4ZvTwAXejckH5RUYCI4+adYz3593UgYlCkf3bqQPXxn9mKZv2N0dWzcvQddNiHly3i1EUsjwa6Kql/ky3l5ISQJyaU9CKeBPez23CpE1gTBE8s9Ju/dFwg+v5vjc1TdwNMl4X8bbuqoTiKioroIiTKzortLk2tA7gEtfXclIrwahIKLiKaWAtVUpgZYsIR7og+UP3cYUn client@sky.com
[server@sky .ssh]$
[root@sky ~]# cat /etc/ssh/sshd_config | grep Pass
#PasswordAuthentication yes
#PermitEmptyPasswords no
PasswordAuthentication yes
#KerberosOrLocalPasswd yes
# PasswordAuthentication. Depending on your PAM configuration,
# PAM authentication, then enable this but set PasswordAuthentication
[root@sky ~]# cat /etc/ssh/sshd_config | grep Pub
#PubkeyAuthentication yes
[root@sky ~]#
[client@sky ~]$ touch {1..3}.txt [client@sky ~]$ ll 总用量 0 -rw-rw-r--. 1 client client 0 11月 28 13:31 1.txt -rw-rw-r--. 1 client client 0 11月 28 13:31 2.txt -rw-rw-r--. 1 client client 0 11月 28 13:31 3.txt [client@sky ~]$ [client@sky ~]$ [client@sky ~]$ scp *.txt server@192.168.1.151:~/ 1.txt 100% 0 0.0KB/s 00:00 2.txt 100% 0 0.0KB/s 00:00 3.txt 100% 0 0.0KB/s 00:00 [client@sky ~]$ scp server@192.168.1.151:~/A* ./ Aa.txt 100% 0 0.0KB/s 00:00 Ab.txt 100% 0 0.0KB/s 00:00 Ac.txt 100% 0 0.0KB/s 00:00 [client@sky ~]$ ll 总用量 0 -rw-rw-r--. 1 client client 0 11月 28 13:31 1.txt -rw-rw-r--. 1 client client 0 11月 28 13:31 2.txt -rw-rw-r--. 1 client client 0 11月 28 13:31 3.txt -rw-rw-r--. 1 client client 0 11月 28 13:35 Aa.txt -rw-rw-r--. 1 client client 0 11月 28 13:35 Ab.txt -rw-rw-r--. 1 client client 0 11月 28 13:35 Ac.txt [client@sky ~]$
[client@sky ~]$ sftp server@192.168.1.151 Connected to 192.168.1.151. sftp> pwd Remote working directory: /home/server sftp> lpwd Local working directory: /home/client sftp> ls 1.txt 2.txt 3.txt Aa.txt Ab.txt Ac.txt Z1.txt Z2.txt Z3.txt sftp> get Z Z1.txt Z2.txt Z3.txt sftp> get Z* Fetching /home/server/Z1.txt to Z1.txt Fetching /home/server/Z2.txt to Z2.txt Fetching /home/server/Z3.txt to Z3.txt