01_TMOUT 변수 설정

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TMOUT 변수 설정

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■ 사용시스템

- KaliLinux

- linux200

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(linux200)

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# man bash

/TMOUT TMOUT If set to a value greater than zero, TMOUT is treated as the default timeout for the read builtin. The select command terminates if input does not arrive after TMOUT seconds when input is coming from a terminal. In an interactive shell, the value is interpreted as the number of seconds to wait for input after issuing the primary prompt. Bash terminates after waiting for that number of seconds if input does not arrive.

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[실습] 칼리 리눅스(192.168.20.50)에서 CentOS 리눅스(192.168.20.200)로 로그인

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(KaliLinux)

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# telnet 192.168.20.200

root 사용자로 로그인

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# export TMOUT=60

timed out waiting for input: auto-logout Connection closed by foreign host.

-> 가만히 기다린다.

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TMOUT 변수 설정은 환경 파일에 설정한다.

관리자) /etc/profile, /etc/bashrc

사용자) $HOME/.bash_profile, $HOME/.bashrc (/etc/skel/*)

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