티스토리 뷰

OS

[Linux] How to check kernel logs

빼인트 2023. 6. 8. 09:17

1. dmesg

$ dmesg
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Initializing cgroup subsys cpuacct
[    0.000000] Linux version 3.10.0-1160.11.1.el7.x86_64 (mockbuild@kbuilder.bsys.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-44) (GCC) ) #1 SMP Fri Dec 18 16:34:56 UTC 2020
[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.10.0-1160.11.1.el7.x86_64 root=UUID=6691577e-a654-48c0-8efb-2c845db4c8d8 ro net.ifnames=0 biosdevname=0 console=tty0 console=ttyS0,115200n8 crashkernel=auto rhgb quiet intel_idle.max_cstate=0 processor.max_cstate=0 transparent_hugepage=never pcie_aspm.policy=performance intel_pstate=disable nospectre_v1 nospectre_v2 nopti l1tf=off nospec_store_bypass_disable mds=off no_stf_barrier mitigations=off tsx=on tsx_async_abort=off
[    0.000000] e820: BIOS-provided physical RAM map:
[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[    0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved

...

2. kmsg

$ cat /dev/kmsg

or

$ cat /proc/kmsg

3. /var/log/messages

cat /var/log/messages | grep kernel

 

'OS' 카테고리의 다른 글

Linux: How to use URL Encoding on Shell Script  (0) 2023.08.30
Linux: 쉘스크립트 URL 인코딩 (Shell Script URL encoding)  (0) 2023.08.30
IFS (Internal Field Separator) 내부 필드 분리자 요약  (0) 2023.08.29
[Linux] 커널(Kernel) 로그 확인  (0) 2023.06.08
logratate.d: because parent directory has insecure permissions (It's world writable or writable by group which is not "root") Set "su" directive in config file to tell logrotate which user/group should be used for rotation  (0) 2023.03.22
Rsync: How to ignore 'file has vanished'  (0) 2023.02.13
Rsync: file has vanished: "xxx" 오류 무시하는 방법  (0) 2023.02.13
Rsync: cannot delete non-empty directory  (0) 2023.02.02
공유하기 링크
댓글
공지사항
최근에 올라온 글
최근에 달린 댓글
Total
Today
Yesterday
링크
TAG more
«   2025/04   »
일 월 화 수 목 금 토
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30
글 보관함