Cfxtrjtrk

I am upgrading my system from 14.04 to 16.04, I am facing this issue of ntp.service not getting started on bootup.

$ sudo systemctl status ntp.service

● ntp.service - LSB: Start NTP daemon

   Loaded: loaded (/etc/init.d/ntp; bad; vendor preset: enabled)

   Active: active (exited) since Mon 2017-09-11 12:29:11 UTC; 26min ago

     Docs: man:systemd-sysv-generator(8)

    Tasks: 0

   Memory: 0B

      CPU: 0



Sep 11 12:29:11 ip-10-1-1-20 systemd[1]: Starting LSB: Start NTP daemon...

Sep 11 12:29:11 ip-10-1-1-20 ntp[1254]:  * Starting NTP server ntpd

Sep 11 12:29:11 ip-10-1-1-20 ntp[1254]:    ...done.

Sep 11 12:29:11 ip-10-1-1-20 systemd[1]: Started LSB: Start NTP daemon.

Sep 11 12:29:11 ip-10-1-1-20 ntpd[1372]: proto: precision = 0.222 usec (-22)

The contents of the ntp.service file is being generated by sysv services if I am not wrong. Content of which is

$ sudo systemctl cat ntp.service

# /run/systemd/generator.late/ntp.service

# Automatically generated by systemd-sysv-generator



[Unit]

Documentation=man:systemd-sysv-generator(8)

SourcePath=/etc/init.d/ntp

Description=LSB: Start NTP daemon

Before=multi-user.target

Before=multi-user.target

Before=multi-user.target

Before=graphical.target

After=network-online.target

After=remote-fs.target

After=systemd-journald-dev-log.socket

Wants=network-online.target



[Service]

Type=forking

Restart=no

TimeoutSec=5min

IgnoreSIGPIPE=no

KillMode=process

GuessMainPID=no

RemainAfterExit=yes

ExecStart=/etc/init.d/ntp start

ExecStop=/etc/init.d/ntp stop

Relevant bug files:

• https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1577596


• https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1593907


• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=802040

I asked around in the IRC's and they said, the system generated file from the init service to a systemd service file is sometimes's buggy and asked me to replace it from one of the upstream versions of ntp.service.

Right now, the fix I have been able to come up with is that I have to manually start and stop the ntpd service

$ sudo systemctl stop ntp.service

$ sudo systemctl start ntp.service

But this defeats the purpose of the automatic start of the ntp.service at boot time

Would appreciate any help on this.

There are more than some ways to fix this issue documented here https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1577596

1. sed -i -- 's/NTPOPTIONS=""/NTPOPTIONS="-u"/g' /etc/default/ntpdate




2. Replace the content of /etc/network/if-up.d/ntpdate with https://launchpadlibrarian.net/295277086/ntpdate_HH

After you do any of the above,

$ systemctl stop ntp.service

$ systemctl start ntp.service

ntp.service should be up now

As of Ubuntu 16.04, the ntp service has been replaced by a native systemd service named systemd-timesyncd (or prefer-timesyncd) and it is running by default.

If you just want an NTP-synced clock, leave ntp.service disabled and use timedatectl status to check status:

lar@rv-server:~$ timedatectl status

      Local time: Fri 2018-11-09 14:16:52 PST

  Universal time: Fri 2018-11-09 22:16:52 UTC

        RTC time: n/a

       Time zone: America/Los_Angeles (PST, -0800)

 Network time on: yes

NTP synchronized: yes

 RTC in local TZ: no

If NTP is not synchronized, use sudo timedatectl set-ntp on to turn it on.

For an NTP server (not just client), you will either need to replace timedatectl with ntpd or install chrony (recommended).

Read more here: https://help.ubuntu.com/lts/serverguide/NTP.html