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	<title>Ssh 트러블슈팅 - 편집 역사</title>
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	<updated>2026-06-18T21:47:24Z</updated>
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		<id>http://wiki.debianusers.or.kr/index.php?title=Ssh_%ED%8A%B8%EB%9F%AC%EB%B8%94%EC%8A%88%ED%8C%85&amp;diff=341&amp;oldid=prev</id>
		<title>Westporch: 새 문서:  작성일자: 2015년 11월 26일  작성자: westporch  == timed out waiting for input: auto-logout 문제 해결하기 ==  === TMOUT 쉘 변수 확인 ===  TMOUT 쉘 변수에 자...</title>
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		<updated>2017-08-29T13:40:12Z</updated>

		<summary type="html">&lt;p&gt;새 문서:  작성일자: 2015년 11월 26일  작성자: westporch  == timed out waiting for input: auto-logout 문제 해결하기 ==  === TMOUT 쉘 변수 확인 ===  TMOUT 쉘 변수에 자...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;새 문서&lt;/b&gt;&lt;/p&gt;&lt;div&gt; 작성일자: 2015년 11월 26일&lt;br /&gt;
 작성자: westporch&lt;br /&gt;
&lt;br /&gt;
== timed out waiting for input: auto-logout 문제 해결하기 ==&lt;br /&gt;
&lt;br /&gt;
=== TMOUT 쉘 변수 확인 ===&lt;br /&gt;
&lt;br /&gt;
TMOUT 쉘 변수에 자동 로그아웃 시간이 설정되어 있습니다. 프롬프트에 echo $TMOUT 명령으로 언제 로그아웃이 되는지 확인합니다.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
[root@localhost ssh]# echo $TMOUT&lt;br /&gt;
300&lt;br /&gt;
[root@localhost ssh]# &lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
300은 5분(300 초)을 의미합니다.&lt;br /&gt;
&lt;br /&gt;
=== TMOUT 비활성화 ===&lt;br /&gt;
&lt;br /&gt;
~/.bash_profile에 '''TMOUT='''을 기록한 뒤 '''source ~/.bashrc''' 명령을 입력합니다. echo $TMOUT 명령으로 _$TMOUT_의 값을 확인하면 값이 지정되지 않았습니다. 이제 자동으로 로그아웃되지 않고 접속을 유지할 수 있습니다.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
[root@SNIPER ssh]# echo $TMOUT&lt;br /&gt;
&lt;br /&gt;
[root@SNIPER ssh]# &lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! 해결 방법 ==&lt;br /&gt;
&lt;br /&gt;
ssh 접속시 '''WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!'''가 발생할 때가 있습니다.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
root@localhost:/home/westporch# ssh 10.0.11.244&lt;br /&gt;
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@&lt;br /&gt;
@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @&lt;br /&gt;
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@&lt;br /&gt;
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!&lt;br /&gt;
Someone could be eavesdropping on you right now (man-in-the-middle attack)!&lt;br /&gt;
It is also possible that a host key has just been changed.&lt;br /&gt;
The fingerprint for the RSA key sent by the remote host is&lt;br /&gt;
ae:1a:ff:f7:a3:be:4c:70:dd:07:e3:48:a4:7f:c2:3c.&lt;br /&gt;
Please contact your system administrator.&lt;br /&gt;
Add correct host key in /root/.ssh/known_hosts to get rid of this message.&lt;br /&gt;
Offending ECDSA key in /root/.ssh/known_hosts:3&lt;br /&gt;
  remove with: ssh-keygen -f &amp;quot;/root/.ssh/known_hosts&amp;quot; -R 10.0.11.244&lt;br /&gt;
RSA host key for 10.0.11.244 has changed and you have requested strict checking.&lt;br /&gt;
Host key verification failed.&lt;br /&gt;
root@localhost:/home/westporch#&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=== 해결 방법 ===&lt;br /&gt;
''' ssh-keygen -R '접속할 주소' '''를 입력합니다.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
root@localhost:/home/westporch# ssh-keygen -R 10.0.11.244&lt;br /&gt;
# Host 10.0.11.244 found: line 3 type ECDSA&lt;br /&gt;
/root/.ssh/known_hosts updated.&lt;br /&gt;
Original contents retained as /root/.ssh/known_hosts.old&lt;br /&gt;
root@localhost:/home/westporch#&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
''' ssh '접속할 주소' ''' 를 입력해서 다시 ssh 접속을 시도합니다. 이때 '''yes'''를 입력합니다. 아래 화면과 같이 다시 접속이 가능해졌습니다.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
root@localhost:/home/westporch# ssh 10.0.11.244&lt;br /&gt;
The authenticity of host '10.0.11.244 (10.0.11.244)' can't be established.&lt;br /&gt;
RSA key fingerprint is ae:1a:ff:f7:a3:be:4c:70:dd:07:e3:48:a4:7f:c2:3c.&lt;br /&gt;
Are you sure you want to continue connecting (yes/no)? yes&lt;br /&gt;
Warning: Permanently added '10.0.11.244' (RSA) to the list of known hosts.&lt;br /&gt;
root@10.0.11.244's password: &lt;br /&gt;
Last login: Wed Nov 25 15:22:42 2015 from 10.0.11.185&lt;br /&gt;
[root@Hello ~]#&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;/div&gt;</summary>
		<author><name>Westporch</name></author>
		
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