【Linux】Linux——ssh命令を一歩ずつ学ぶ(176)

00.カタログ
記事の目次

00.ディレクトリ

01.コマンド概要

.コマンドフォーマット

03.常用オプション

04.参考例

05.付録

01.コマンドの概要
sshコマンドはopensshセットのクライアント接続ツールであり、ssh暗号化プロトコルを付与して安全なリモートログインサーバを実現し、サーバのリモート管理を実現することができます.
02.コマンド形式

  ：ssh [  ] [  ]

03.一般的なオプション

-1	    ssh    1
-2	    ssh    2
-4	    IPv4  
-6	    IPv6  
-A	            
-a	            
-b<IP  >	                 IP  
-C	        
-F<    >	  ssh       ，        “/etc/ssh/ssh_config”
-f	    ssh  
-g	               
-i<    >	      （     ）
-l<   >	               
-N	       
-o<  >	      
-p<  >	           
-q	    ，               
-X	  X11    
-x	  X11    
-y	    X11    

04.参考例
4.1リモートサーバに登録する

[deng@localhost ~]$ ssh 172.16.0.76
The authenticity of host '172.16.0.76 (172.16.0.76)' can't be established. ECDSA key fingerprint is SHA256:YheY5RH3PZ27UMYxdPwhraYfS4bCK/p3+xwdWL0O9WQ. ECDSA key fingerprint is MD5:27:a1:b7:c7:df:7d:91:04:40:bd:e9:79:bb:98:8f:e4. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '172.16.0.76' (ECDSA) to the list of known hosts. [email protected]'s password: 
Last login: Thu Aug 22 22:06:22 2019 from 172.16.0.51
[deng@localhost ~]$ 

4.2ユーザーを指定してリモートサーバに登録する

[deng@localhost ~]$ ssh -l deng 172.16.0.76
[email protected]'s password: 
Last login: Thu Aug 22 22:06:33 2019 from 172.16.0.76
[deng@localhost ~]$ 

4.3リモートサーバのパーティションリストを表示する

[deng@localhost ~]$ ssh -l root 172.16.0.76 /sbin/fdisk -l
[email protected]'s password: 

   /dev/sda：107.4 GB, 107374182400   ，209715200    
Units =    of 1 * 512 = 512 bytes
    (  /  )：512    / 512   
I/O   (  /  )：512    / 512   
      ：dos
     ：0x000cc727

      Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048      411647      204800   83  Linux
/dev/sda2          411648     8800255     4194304   82  Linux swap / Solaris
/dev/sda3         8800256   209715199   100457472   83  Linux
[deng@localhost ~]$ 

4.4 sshプロトコルバージョンを強制的に使用する2

[deng@localhost ~]$ ssh -2 -l root 172.16.0.76
[email protected]'s password: 
Last login: Thu Aug 22 21:42:57 2019
[root@localhost ~]# 

4.5認証代理接続転送機能をオープンする

[root@localhost ~]# ssh -A -l root 172.16.0.76
The authenticity of host '172.16.0.76 (172.16.0.76)' can't be established. ECDSA key fingerprint is SHA256:YheY5RH3PZ27UMYxdPwhraYfS4bCK/p3+xwdWL0O9WQ. ECDSA key fingerprint is MD5:27:a1:b7:c7:df:7d:91:04:40:bd:e9:79:bb:98:8f:e4. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '172.16.0.76' (ECDSA) to the list of known hosts. [email protected]'s password: 
Last login: Thu Aug 22 22:10:56 2019 from 172.16.0.76
[root@localhost ~]# 

4.6認証代理接続転送機能をオフにする

[root@localhost ~]# ssh -a -l root 172.16.0.76 
[email protected]'s password: 
Last login: Thu Aug 22 22:11:31 2019 from 172.16.0.76
[root@localhost ~]# 

4.7ユーザ登録を指定する(二)

[root@localhost ~]# ssh [email protected]
[email protected]'s password: 
Last login: Thu Aug 22 22:12:26 2019 from 172.16.0.76
[root@localhost ~]# 

4.8ポートを指定してリモートサーバに登録する

[root@localhost ~]# ssh -p 22 [email protected] 
[email protected]'s password: 
Last login: Thu Aug 22 22:13:31 2019 from 172.16.0.76
[root@localhost ~]# 

4.9プロキシで登録する

[root@localhost ~]# ssh -D 7576 [email protected]
[email protected]'s password: 
Last failed login: Thu Aug 22 22:15:00 CST 2019 from 172.16.0.76 on ssh:notty
There was 1 failed login attempt since the last successful login.
Last login: Thu Aug 22 22:14:03 2019 from 172.16.0.76
[root@localhost ~]# 

4.10リモートコマンドを実行する

[root@localhost ~]# ssh [email protected] date
[email protected]'s password: 
2019  08  22      22:15:56 CST
[root@localhost ~]# 

4.11リモートホストでグラフィックインターフェースのプログラムを実行する

[root@localhost ~]# ssh -X [email protected]
[email protected]'s password: 

4.12バインディングソースアドレス

[root@localhost ~]# ssh -b 172.16.0.76 [email protected]
[email protected]'s password: 
Last login: Thu Aug 22 22:20:55 2019 from 172.16.0.76
[deng@localhost ~]$ 

4.13すべてのデータに対して圧縮を要求する

[deng@localhost ~]$ ssh -C [email protected]
[email protected]'s password: 
Last login: Thu Aug 22 22:22:00 2019 from 172.16.0.76
[deng@localhost ~]$ ls

4.14デバッグモードを開く

[deng@localhost ~]$ ssh -v [email protected]
OpenSSH_7.4p1, OpenSSL 1.0.2k-fips  26 Jan 2017
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 58: Applying options for *
debug1: Connecting to 172.16.0.76 [172.16.0.76] port 22.
debug1: Connection established.
debug1: key_load_public: No such file or directory
debug1: identity file /home/deng/.ssh/id_rsa type -1

4.15サイレントモードでは、すべての警告と診断情報の出力が禁止されています.

[deng@localhost ~]$ ssh -q [email protected]
[email protected]'s password: 
Last failed login: Thu Aug 22 22:23:52 CST 2019 from 172.16.0.76 on ssh:notty
There were 2 failed login attempts since the last successful login.
Last login: Thu Aug 22 22:22:34 2019 from 172.16.0.76
[deng@localhost ~]$ 

05.付録
参考:【Linux】一歩ずつLinuxシリーズの教程まとめ