CentOS Modify DHCPD log is not logged in the system log

To edit a DHCP service configuration file

Vim/etc/dhcp/dhcpd.conf added at the end
Log-facility Local4;

Edit Rsyslog service profile, modify/var/log/messages join Local4.none/var/log/messages
Vim/etc/rsyslog.conf Join
# Save DHCPD messages also to Dhcpd.log
local4.*/var/log/dhcpd.log
#*.info;mail.none;authpriv.none;cron.none/var/log/messages
*.info;mail.none;authpriv.none;cron.none;local4.none/var/log/messages

Restart   Rsyslog Service
Service rsyslog Restart
Restart DHCPD Services
Service dhcpd restart
Tail-f/var/log/dhcpd.co NF
Tail-f/var/log/messges