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漫談:怎麼在Linux上使用SSH2

軟件取得 1 RedHat 6.2 http://freesoft.online.sh.cn/ 2 SSH2 Server rpm : ssh-commercial-server-2.2.0-2nox.i386.rpm source: ssh-2.2.0.tar.gz http://www.ssh.com 3 SSH2 Client rpm : ssh-commercial-workstation-2.2.0-2.i386.rpm http://www.ssh.co
  軟件取得
  1 RedHat 6.2
  
  http://freesoft.online.sh.cn/
  
  2 SSH2 Server
  
  rpm : ssh-commercial-server-2.2.0-2nox.i386.rpm
  source: ssh-2.2.0.tar.gz
  
  http://www.ssh.com
  
  3 SSH2 Client
  rpm : ssh-commercial-workstation-2.2.0-2.i386.rpm
  http://www.ssh.com
  
  軟件安裝
  說明:Remote Host Name :Remote (Server) 192.168.1.222
  Local Host Name :Local (Client) 192.168.1.223
  
  1 安裝 Redhat6.2
  
  2 安裝 SSH2 Server(Remote Host)
  
  使用 RPM
  [root@Remote root]# rpm -ivh ssh-commercial-server-2.2.0-2nox.i386.rpm
  
  使用 SOURCE
  
  [root@Remote root]# tar xzvf ssh-2.2.0.tar.gz
  # cd ssh-2.2.0
  # ./configure
  # make
  # make install
  
  
  3 安裝 SSH2 Clinet(Local Host)
  
  [root@Local root]# rpm -ivh ssh-commercial-workstation-2.2.0-2.i386.rpm
  
  系統配置
  1.在 Remote Host 啟動sshd
  [root@Remote root]/usr/loca/sbin/sshd2
  
  2 在 Local Host 添加用戶賬號 如 bill
  [root@Local root] useradd bill
  [root@Local root] passwd bill
  
  3 在Client 上建立用戶的公共和私人密鑰
  以bill登陸到 Local Host 上
  [bill@Local local]$ ssh-keygen
  Generating 1024-bit dsa key pair
  9 o.oOo..oOo.o
  Key generated.
  1024-bit dsa, created by bill@Local Wed Sep 23 07:11:02 1998
  Passphrase :輸入一些字符,不超過20個
  Again :重復輸入一遍
  Private key saved to /home/bill/.ssh2/id_dsa_1024_a
  
  4 在Client 上建立用戶的認證文件
  以bill登陸到 Local Host 上
  [bill@Local local]$cd ~/.ssh2
  [bill@Local local]$echo "IdKey id_dsa_1024_a" > identification
  
  4. 在 Remote Host 添加用於遠程登陸的用戶賬號 如 bill
  [root@Remote root]# useradd bill
  [root@Remote root]# passwd bill
  
  5. 以bill登陸到 Remote Host 上
  [bill@Remote local]$ ssh-keygen
  Generating 1024-bit dsa key pair
  9 o.oOo..oOo.o
  Key generated.
  1024-bit dsa, created by bill@Local Wed Sep 23 07:11:02 1998
  Passphrase :輸入一些字符,不超過20個
  Again :重復輸入一遍
  Private key saved to /home/bill/.ssh2/id_dsa_1024_a
  
  6. 以bill登陸到 Local Host
  [bill@Local local]$ cd ~
  [bill@Local local]$ cp ./.ssh2/id_dsa_1024_a.pub Local.pub
  
  以bill ftp Remote Host
  [bill@local bill]$ ftp local
  
  ftp> lcd ~/.ssh2
  ftp> cd ~/.ssh2
  ftp> put Local.pub
  ftp> bye
  
  以bill Telnet Remote Host
  [bill@local bill]$ telnet local
  [bill@remote bill]$ cd ~/.ssh2
  [bill@remote .ssh2]$echo "Key Local.pub" > authorization
  
  測試
  在Local Host
  
  [bill@local bill]$ ssh Remote
  Passphrase for key "/home/bill/.ssh2/id_dsa_1024_a" with comment "1024-bit d: 輸入前面輸入的一些字符
  Authentication suclearcase/" target="_blank" >ccessful.
  
  [bill@Remote bill]$ netstat -n
  Active Internet connections (w/o servers)
  Proto Recv-Q Send-Q Local Address Foreign Address State
  tcp 0 252 192.168.1.222:22 192.168.1.223:3532 ESTABLISHED
  Active UNIX domain sockets (w/o servers)
  Proto RefCnt Flags Type State I-Node Path
  unix 9 [ ] DGRAM 436 /dev/log
  unix 0 [ ] STREAM CONNECTED 177 @00000016
  unix 0 [ ] DGRAM 771
  unix 0 [ ] DGRAM 753
  unix 0 [ ] DGRAM 672
  unix 0 [ ] DGRAM 636
  unix 0 [ ] DGRAM 590
  unix 0 [ ] DGRAM 575
  unix 0 [ ] DGRAM 523
  unix 0 [ ] DGRAM 458
  unix 0 [ ] DGRAM 446
  
  [bill@local bill]$ sftp Remote
  Passphrase for key "/home/bill/.ssh2/id_dsa_1024_a" with comment "1024-bit d:
  sftp> ls -l
  drwxr-xr-x 5 bill bill 4096 Jul 12 6:29 Desktop/
  -rwxr-xr-x 1 bill bill 333 Jul 12 6:29 .emacs*
  -rw-r--r-- 1 bill bill 24 Jul 12 6:29 .bash_logout
  -rw-r--r-- 1 bill bill 230 Jul 12 6:29 .bash_profile
  -rw-r--r-- 1 bill bill 124 Jul 12 6:29 .bashrc
  drwxr-xr-x 3 bill bill 4096 Jul 12 6:29 .kde/
  -rw-r--r-- 1 bill bill 435 Jul 12 6:29 .kderc
  -rw-r--r-- 1 bill bill 3394 Jul 12 6:29 .screenrc
  -rw------- 1 bill bill 316 Jul 12 16:31 .bash_history
  drwxr-xr-x 3 bill bill 4096 Jul 12 16:00 .ssh2/
  sftp>

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