Ubuntu 12.04.01 安装ssh

1. 打开终端，执行命令：

sudo apt-get install ssh

提示如下：

 

输入 Y  继续安装，从下面界面看到已经完成安装，并启动运行

 

 

 

完整输入及输出内容如下：

chensl@ubuntu:~$ sudo apt-get install ssh
[sudo] password for chensl: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  linux-headers-3.2.0-29 linux-headers-3.2.0-29-generic
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  openssh-server ssh-import-id
Suggested packages:
  rssh molly-guard openssh-blacklist openssh-blacklist-extra monkeysphere
The following NEW packages will be installed:
  openssh-server ssh ssh-import-id
0 upgraded, 3 newly installed, 0 to remove and 6 not upgraded.
Need to get 346 kB of archives.
After this operation, 910 kB of additional disk space will be used.
Do you want to continue [Y/n]? Y
Get:1 http://us.archive.ubuntu.com/ubuntu/ precise/main openssh-server amd64 1:5.9p1-5ubuntu1 [339 kB]
Get:2 http://us.archive.ubuntu.com/ubuntu/ precise/main ssh all 1:5.9p1-5ubuntu1 [1,278 B]
Get:3 http://us.archive.ubuntu.com/ubuntu/ precise/main ssh-import-id all 2.10-0ubuntu1 [6,598 B]
Fetched 346 kB in 3s (92.6 kB/s)           
Preconfiguring packages ...
Selecting previously unselected package openssh-server.
(Reading database ... 167009 files and directories currently installed.)
Unpacking openssh-server (from .../openssh-server_1%3a5.9p1-5ubuntu1_amd64.deb) ...
Selecting previously unselected package ssh.
Unpacking ssh (from .../ssh_1%3a5.9p1-5ubuntu1_all.deb) ...
Selecting previously unselected package ssh-import-id.
Unpacking ssh-import-id (from .../ssh-import-id_2.10-0ubuntu1_all.deb) ...
Processing triggers for ureadahead ...
ureadahead will be reprofiled on next reboot
Processing triggers for ufw ...
Processing triggers for man-db ...
Setting up openssh-server (1:5.9p1-5ubuntu1) ...
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 ...
ssh start/running, process 3268
Setting up ssh (1:5.9p1-5ubuntu1) ...
Setting up ssh-import-id (2.10-0ubuntu1) ...
chensl@ubuntu:~$ 

 

2. 检查是否已经安装完成并运行：

输入命令：

ps -e  | grep ssh

显示如下内容，则表明已经安装并启动

 2017 ?        00:00:00 ssh-agent
 3408 ?        00:00:00 sshd