Differences between netdate, ntp and chrony ?

Extracted from debian-user
Tip provided by Christian Dysthe
I want a simple task performed. ntp does it, but is not really made for a
dial-up system like mine.
chrony does it also, but what I wondered is: couldn't It use netdate for this?
I have put the following script in my /etc/ip-up.d

if [ -x /usr/sbin/netdate ]                                                                 
 /usr/sbin/netdate > /dev/null 2>&1                                            
exit 0                                                                                      

 is a time server.
In /etc/cron.daily I have this script:

#! /bin/sh                                                                                  
if [ -x /sbin/hwclock ]                                                                     
 hwclock --adjust                                                                         
 hwclock --systohc --utc                                                                  
exit 0                                                                                      

This last script is there since I do not often reboot, and still want the
hardware clock adjusted.                                                                    

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Appears in section(s) : configuration net
Tip recorded : 27-07-1999 18:32:16
HTML page last changed : 27-07-1999 20:10:09