Синхронизация времени в Linux

# setup ntp client
apt-get -y install ntp ntpdate

# setup ntp-server
apt-get -y install ntp-server

# config high ntp server
vi /etc/ntp.conf
>server ntp.server prefer # prefered server
>server ntp1.server
# only my client can connect to server but not change
>restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap
# my ntp-server ignore all computer
>restrict default ignore


#stop server
/etc/init.d/ntp stop

# check server time
ntpdate ntp.server

# set seerver time to local
ntpdate -bs ntp.server

#start server
/etc/init.d/ntp start

# list current ntp server
ntpq -p
ntpdc -p

# set local time to hardware clock
hwclock --systohc