logger

最後更新: 2024-01-08

目錄

介紹

logger - Write message to a syslog

 


Basic Usage

 

Usage

logger "test msg"

Checking

tail /var/log/messages

... root[PID]: test msg

 


Tag

 

-t tag

logger -t mytag "test msg"

... mytag[PID]: test msg

 

 


Standard Error

 

功能: 同時 log 去兩個地方

-s  echoing them to stderr also

i.e.

logger -s "test stderr"

stdout

<13>Jan 12 16:06:18 root: test stderr

/var/log/messages

Jan 12 16:06:18 rocky_mirror root[1026200]: test stderr

 


facility.level

 

Info: facility.severity

log 去某 facility.level

# Default: user.notice

-p local6.notice

Configure rsyslog

/etc/rsyslog.conf

local6.*   -/var/log/myapps.log

service rsyslog reload

 


 

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