This has been quite overdue, as I have been wanting to disable
As I am lugging my lappy around a lot and I have not much of a need for the program, I knew I had to take it out and save me minutes of boot time. Ealden taught me how to remove
ntpupdate
since the Hoary release. What is ntpupdate
anyway? It's the program that synchronizes your system time to an ntp server. NTP is a protocol for synchronising the clocks of computer systems over packet-switched, variable-latency data networks. Since Ubuntu defaults to an ntp server somewhere in the www, and that it will attempt to sync on boot, it causes your machine to go through a much much longer startup process if an internet connection is not available at boot time.As I am lugging my lappy around a lot and I have not much of a need for the program, I knew I had to take it out and save me minutes of boot time. Ealden taught me how to remove
ntpupdate
, and I suppose we can change the arguments to remove other programs as well.$ sudo update-rc.d -f ntpdate remove
update-rc.d
will remove any system startup links for /etc/init.d/ntpdate
, or any instances of such in the different run levels. Usage is as follows:usage: update-rc.d [-n] [-f] <basename> remove
update-rc.d [-n] <basename> defaults [NN | sNN kNN]
update-rc.d [-n] <basename> start|stop NN runlvl [runlvl] [...] .
-n: not really
-f: force
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