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https://bnmy6581.tistory.com/311

 

[rsyslog] imklog: cannot open kernel log, ERROR (Syntax error, this crontab file will be ignored), Operation not permitted.

syslog ๋ณด๋‹ค ๋” ๋งŽ์€ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•˜๋Š” rsyslog ๋กœ๊ทธ ๊ด€๋ฆฌ ํ”„๋กœ๊ทธ๋žจ์„ docker๋กœ ๋นŒ๋“œํ•ด root ํ™˜๊ฒฝ์—์„œ ์‚ฌ์šฉํ•  ๋•Œ ๊ฒช๋Š” ์—๋Ÿฌ๋ฅผ ์•Œ์•„๋ณด์ž. 1) rsyslogd: imklog: cannot open kernel log (/proc/kmsg): Operation not permitted. imkl

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 ์œ„์— ์ •๋ฆฌํ•œ ERROR์˜ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์„ ์ ์—ˆ์Œ์—๋„ ๋‹ค๋ฅธ ERROR๋กœ ์˜ค์ธํ•ด ํ•œ์ฐธ์„ ์ฐพ์•˜๋‹ค. omfile์€ rsyslog์—์„œ I/O๋ฅผ ๋‹ด๋‹นํ•˜๋Š” module์ธ๋ฐ ์ด๊ฒƒ์ด ์˜ค๋ฅ˜๊ฐ€ ๋‚œ๋‹ค๋Š” ๊ฒƒ์€ log๋ฅผ ๊ธฐ๋กํ•˜์ง€ ๋ชปํ•œ๋‹ค๋Š” ์˜๋ฏธ์ด๋‹ค.

 

์›์ธ

rsyslog ์„ค์น˜ํ•˜๋ฉด syslog/amd๋กœ usergroup์ด ์ƒ์„ฑ๋˜์–ด syslog user๊ฐ€ ํŒŒ์ผ์„ ๊ด€๋ฆฌํ•œ๋‹ค. ํ•˜์ง€๋งŒ root ํ™˜๊ฒฝ์—์„œ syslog๋Š” ๊ถŒํ•œ์ด ์—†์–ด ํŒŒ์ผ ์ˆ˜์ •์ด ๋ถˆ๊ฐ€๋Šฅํ•˜๋‹ค. ์•„๋ž˜ ๋ช…๋ น์–ด๋กœ ํŒŒ์ผ์— ์†Œ์œ ์ž๋ฅผ ๋ณ€๊ฒฝํ•ด์ค€๋‹ค.

https://askubuntu.com/questions/1066997/every-few-minutes-rsyslog-outputs-rsyslogd-action-action-3-resumed-module

 

Every few minutes rsyslog outputs - rsyslogd: action 'action 3' resumed (module 'builtin:omfile') [v8.32.0 try http://www.rsyslo

Since my update to 18.04.1 last week from 16.04.5 I've been seeing this in my syslog every few minutes: Aug 19 19:22:02 localhost rsyslogd: action 'action 3' resumed (module 'builtin:omfile') [v8....

askubuntu.com

 

Solution) 

 ๊ฒฐ๊ตญ file ์†Œ์œ ์ž ๊ถŒํ•œ์ด MSA ํ™˜๊ฒฝ ๋นŒ๋“œ์‹œ ๋‹ฌ๋ผ ์ƒ๊ธฐ๋Š” ๋ฌธ์ œ์ด๋‹ค. ์ด๋ฏธ ์„ค๋ช…ํ•œ file ์†Œ์œ ์ž ๊ถŒํ•œ์„ ๋ฐ”๊ฟ”์ค€๋‹ค๋˜๊ฐ€ rsyslog.conf์—์„œ

rsyslog๊ฐ€ ์‹œ์ž‘ํ•  ๋•Œ file์˜ ์†Œ์œ ์ž๋ฅผ ๋ฐ”๋ผ๋ณด๋Š” ์„ค์ •์„ ์ฃผ์„ ์ฒ˜๋ฆฌ ํ•ด์ค€๋‹ค. (๋ณด์•ˆ์ƒ ์ถ”์ฒœํ•˜์ง€ ์•Š์Œ)  

sed -i 's/$PrivDropToUser/#$PrivDropToUser/g' /etc/rsyslog.conf
sed -i 's/$PrivDropToGroup/#$PrivDropToGroup/g' /etc/rsyslog.conf
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