Linux ssh服务器配置代码实例

使用如下终端命令可以在 Linux 主机中安装 ssh服务器sudo apt-get install openssh-server

lin@lin-machine:~$ sudo apt-get install openssh-server
Reading package lists... Done
Building dependency tree    
Reading state information... Done
The following extra packages will be installed:
 libck-connector0 ncurses-term openssh-client openssh-sftp-server
 ssh-import-id
Suggested packages:
 libpam-ssh keychain monkeysphere rssh molly-guard
The following NEW packages will be installed:
 libck-connector0 ncurses-term openssh-server openssh-sftp-server
 ssh-import-id
The following packages will be upgraded:
 openssh-client
1 upgraded, 5 newly installed, 0 to remove and 438 not upgraded.
Need to get 1,180 kB of archives.
After this operation, 3,429 kB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://cn.archive.ubuntu.com/ubuntu/ trusty/main libck-connector0 amd64 0.4.5-3.1ubuntu2 [10.5 kB]
Get:2 http://cn.archive.ubuntu.com/ubuntu/ trusty-updates/main openssh-client amd64 1:6.6p1-2ubuntu2.11 [564 kB]
Get:3 http://cn.archive.ubuntu.com/ubuntu/ trusty/main ncurses-term all 5.9+20140118-1ubuntu1 [243 kB]
Get:4 http://cn.archive.ubuntu.com/ubuntu/ trusty-updates/main openssh-sftp-server amd64 1:6.6p1-2ubuntu2.11 [34.1 kB]
Get:5 http://cn.archive.ubuntu.com/ubuntu/ trusty-updates/main openssh-server amd64 1:6.6p1-2ubuntu2.11 [318 kB]
Get:6 http://cn.archive.ubuntu.com/ubuntu/ trusty/main ssh-import-id all 3.21-0ubuntu1 [9,624 B]
Fetched 1,180 kB in 22s (51.6 kB/s)                      
Preconfiguring packages ...
Selecting previously unselected package libck-connector0:amd64.
(Reading database ... 168838 files and directories currently installed.)
Preparing to unpack .../libck-connector0_0.4.5-3.1ubuntu2_amd64.deb ...
Unpacking libck-connector0:amd64 (0.4.5-3.1ubuntu2) ...
Preparing to unpack .../openssh-client_1%3a6.6p1-2ubuntu2.11_amd64.deb ...
Unpacking openssh-client (1:6.6p1-2ubuntu2.11) over (1:6.6p1-2ubuntu2.7) ...
Selecting previously unselected package ncurses-term.
Preparing to unpack .../ncurses-term_5.9+20140118-1ubuntu1_all.deb ...
Unpacking ncurses-term (5.9+20140118-1ubuntu1) ...
Selecting previously unselected package openssh-sftp-server.
Preparing to unpack .../openssh-sftp-server_1%3a6.6p1-2ubuntu2.11_amd64.deb ...
Unpacking openssh-sftp-server (1:6.6p1-2ubuntu2.11) ...
Selecting previously unselected package openssh-server.
Preparing to unpack .../openssh-server_1%3a6.6p1-2ubuntu2.11_amd64.deb ...
Unpacking openssh-server (1:6.6p1-2ubuntu2.11) ...
Selecting previously unselected package ssh-import-id.
Preparing to unpack .../ssh-import-id_3.21-0ubuntu1_all.deb ...
Unpacking ssh-import-id (3.21-0ubuntu1) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Processing triggers for ureadahead (0.100.0-16) ...
ureadahead will be reprofiled on next reboot
Processing triggers for ufw (0.34~rc-0ubuntu2) ...
Setting up libck-connector0:amd64 (0.4.5-3.1ubuntu2) ...
Setting up openssh-client (1:6.6p1-2ubuntu2.11) ...
Setting up ncurses-term (5.9+20140118-1ubuntu1) ...
Setting up openssh-sftp-server (1:6.6p1-2ubuntu2.11) ...
Setting up openssh-server (1:6.6p1-2ubuntu2.11) ...
Creating SSH2 RSA key; this may take some time ...
Creating SSH2 DSA key; this may take some time ...
Creating SSH2 ECDSA key; this may take some time ...
Creating SSH2 ED25519 key; this may take some time ...
ssh start/running, process 17527
Setting up ssh-import-id (3.21-0ubuntu1) ...
Processing triggers for libc-bin (2.19-0ubuntu6.9) ...
Processing triggers for ureadahead (0.100.0-16) ...
Processing triggers for ufw (0.34~rc-0ubuntu2) ...

查看当前的虚拟机的ip地址

lin@lin-machine:~$ ifconfig
eth0   Link encap:Ethernet HWaddr 00:0c:29:f1:a1:37 
     inet addr:192.168.147.136 Bcast:192.168.147.255 Mask:255.255.255.0
     inet6 addr: fe80::20c:29ff:fef1:a137/64 Scope:Link
     UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
     RX packets:3950 errors:0 dropped:0 overruns:0 frame:0
     TX packets:514 errors:0 dropped:0 overruns:0 carrier:0
     collisions:0 txqueuelen:1000 
     RX bytes:1453734 (1.4 MB) TX bytes:63371 (63.3 KB)

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:65536 Metric:1
     RX packets:180 errors:0 dropped:0 overruns:0 frame:0
     TX packets:180 errors:0 dropped:0 overruns:0 carrier:0
     collisions:0 txqueuelen:1 
     RX bytes:13377 (13.3 KB) TX bytes:13377 (13.3 KB)

在PC上查看ip地址

Microsoft Windows [版本 6.1.7601]
版权所有 (c) 2009 Microsoft Corporation。保留所有权利。
E:\Users\libra>ipconfig
Windows IP 配置
...
以太网适配器 VMware Network Adapter VMnet8:

  连接特定的 DNS 后缀 . . . . . . . :
  本地链接 IPv6 地址. . . . . . . . : fe80::9074:b9f5:ddaf:9082%25
  IPv4 地址 . . . . . . . . . . . . : 192.168.147.1
  子网掩码 . . . . . . . . . . . . : 255.255.255.0
  默认网关. . . . . . . . . . . . . :
...
E:\Users\libra>

【备注】pc和linux虚拟机在同个网段的

测试他们是否可以ping

lin@lin-machine:~$ ping 192.168.147.1
PING 192.168.147.1 (192.168.147.1) 56(84) bytes of data.
64 bytes from 192.168.147.1: icmp_seq=1 ttl=64 time=0.586 ms
64 bytes from 192.168.147.1: icmp_seq=2 ttl=64 time=0.442 ms
64 bytes from 192.168.147.1: icmp_seq=3 ttl=64 time=0.435 ms
^C
--- 192.168.147.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 0.435/0.487/0.586/0.074 ms

【可能存在一些异常的原因】注意： Windows 7 默认打开了系统防火墙，是禁ping的，如果在Linux下ping Windows
7，需要先关闭Windows 7 的防火墙。

没有问题后我们在SecureCRT上开始测试

【备注】根据自己的情况来写IP和主机名

来测试一下