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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.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 sUCcessful.     [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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