Linux Daily Management 3

Ntsysv

Turn off service on boot

Chkconfig--list View all services and 7 operating levels

Chkconfig--level 3 SendMail on/off 3 level turn on or off

Chkconfig SendMail on/off 2 3 4 5 levels are turned on or off 0 1 6 levels that were supposed to be off.

Chkconfig--list | grep sendmail View services are there any

Chkconfig--del sendmail Delete Service

CH kconfig--add sendmail Add service Add services inside the/ETC/INIT.D, the service must be executable

Kill PID kills process kill-9 pid force kill process kill-hup PID reload config file

Log view

Ls/var/log/messages

LS/ETC/LOGROTATE.CONF management logs are cut and archived

Cat/etc/logrotate.d/sysconfig

CAT/VAR/LOG/DSEMG log information when the system starts

DMESG command

Last command which users and IP have logged in the system view/var/log/wtmp

Lastlog record the user's most recently logged on event corresponding/var/log/lastlog

Screen

Curl-i www.baidu.com

Cat/etc/hosts

Linux Daily Management 3