Plesk for Linux kb: technical ABT: Group A
- Plesk for Linux
Emails with the following error are sent to Plesk server administrator:
Subject: Cron <firstname.lastname@example.org> /usr/sbin/ntpdate -b -s 3.pool.ntp.org /bin/sh: 1: /usr/sbin/ntpdate: not found
ntpdate used by scheduled task is not installed.
When ntpdate is not used
Note: In modern operating systems nptd, chrony or systemd-timesyncd may be installed by default and ntpdate package is deprecated or not available. It is suggested to synchronize server time using NTP Timesync extension instead.
- Log into Plesk
- Navigate to Tools & Settings > Scheduled Tasks (Cron jobs)
- Select the scheduled task
/usr/sbin/ntpdate -b -s [n].pool.ntp.org:
- Click Remove
When ntpdate should be used
Connect to the server via SSH
On Debian / Ubuntu operating systems:
# apt-get update && apt-get install ntpdate
On RHEL / CentOS / Cloudlinux operating systems:
# yum install ntpdate
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