syslog
. , , , .
. , , . , .
, syslog
, . Windows , , Linux.
, :

, , , . . :
.
Linux , 20 . .
Windows, 3 - , . Linux 8 , :
- Emergency
- Alert
- Critical
- Error
- Warning
- Notice
- Info
- Debug
:
, cat /etc/syslog.conf
(CentOS 5) , . , . rsyslog
, , , Ubuntu 20.04 /etc/rsyslog.d/ 50-default.conf

. . , kern.*
/var/log/kern.log
. *
, . kern.info
kern.debug
, /dev/console
.
*.info; *.=notice;*.=warn;\
- /var/log/messages
, , .
auth,authpriv.* /var/log/auth.log
, , , /var/log/auth.log
, , . .
mail.* -/var/log/mail.log
, , /var/log/mail.log
.
, - . , , . , . . , . , , , .
cat
, , less
tail
. tail
-f
, . :
less [] [_]
tail [] [_]
.
, - lnav
. - apt install lnav -y
.
- lnsv [] [_]
lnav dmesg

. .