linux, time zone correction, linux modify hardware time and synchronize system time

1. Modification:

/etc/sysconfig/clock  改为：ZONE="Asia/Shanghai"

 

2. Execute:

ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

3. Modify the system time

#date -s "2007-08-03 14:15:00"

4. System clock and hardware clock synchronization:

# hwclock --systohc或者# clock --systohc