리눅스 dmesg

1 개요[ | ]

리눅스 부팅 메시지, 리눅스 부팅 로그
/var/log/dmesg
/bin/dmesg
display message; (부팅시) 표시 메시지, d 메시지

시스템 부팅 메시지
부팅시 드라이버 오류 등을 확인할 수 있다.
로그파일 dmesg와. 명령어 dmesg가 있다.

2 실행 예시[ | ]

dmesg

Console

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root@zetawiki:~# dmesg
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Initializing cgroup subsys cpuacct
... (생략)
[   17.182925] random: nonblocking pool is initialized
[83649.584278] init: systemd-logind main process (526) killed by TERM signal
[83654.119111] init: irqbalance main process (917) killed by TERM signal
[83667.248557] systemd-udevd[13285]: starting version 204

cat /var/log/dmesg

Console

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root@zetawiki:~# cat /var/log/dmesg
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Initializing cgroup subsys cpuacct
... (생략)
[    9.859137] audit: type=1400 audit(1443014929.652:18): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=816 comm="apparmor_parser"
[    9.859341] audit: type=1400 audit(1443014929.652:19): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=816 comm="apparmor_parser"
[    9.870241] audit: type=1400 audit(1443014929.660:20): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/tcpdump" pid=818 comm="apparmor_parser"

3 옵션 -c: 클리어[ | ]

-c 옵션을 주면 메시지 1회 출력 후 제거됨

Console

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root@zetawiki:~# dmesg -c
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Initializing cgroup subsys cpuacct
... (생략)
[83649.584278] init: systemd-logind main process (526) killed by TERM signal
[83654.119111] init: irqbalance main process (917) killed by TERM signal
[83667.248557] systemd-udevd[13285]: starting version 204
root@zetawiki:~# dmesg
root@zetawiki:~#

4 같이 보기[ | ]

5 참고[ | ]

http://en.wikipedia.org/wiki/Dmesg