How To Install ntp.x86_64 on Amazon Linux 2

In this tutorial we learn how to install ntp.x86_64 in Amazon Linux 2. ntp.x86_64 is The NTP daemon and utilities

Introduction

In this tutorial we learn how to install ntp.x86_64 on Amazon Linux 2.

What is `ntp.x86_64`

The Network Time Protocol (NTP) is used to synchronize a computer’s time with another reference time source. This package includes ntpd (a daemon which continuously adjusts system time) and utilities used to query and configure the ntpd daemon. Perl scripts are in the ntp-perl package, ntpdate is in the ntpdate package and sntp is in the sntp package. The documentation in HTML format is in the ntp-doc package.

We can use yum to install ntp.x86_64 on Amazon Linux 2. In this tutorial we discuss both methods but you only need to choose one of method to install ntp.x86_64.

Install ntp.x86_64 on Amazon Linux 2 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

After updating yum database, We can install ntp.x86_64 using yum by running the following command:

sudo yum -y install ntp.x86_64

How To Uninstall ntp.x86_64 on Amazon Linux 2

To uninstall only the ntp.x86_64 package we can use the following command:

sudo yum remove ntp.x86_64

ntp.x86_64 Package Contents on Amazon Linux 2

/etc/dhcp/dhclient.d
/etc/dhcp/dhclient.d/ntp.sh
/etc/ntp
/etc/ntp.conf
/etc/ntp/crypto
/etc/ntp/crypto/pw
/etc/ntp/keys
/etc/sysconfig/ntpd
/usr/bin/ntpstat
/usr/lib/systemd/ntp-units.d/60-ntpd.list
/usr/lib/systemd/system/ntpd.service
/usr/sbin/ntp-keygen
/usr/sbin/ntpd
/usr/sbin/ntpdc
/usr/sbin/ntpq
/usr/sbin/ntptime
/usr/sbin/tickadj
/usr/share/doc/ntp-4.2.8p15
/usr/share/doc/ntp-4.2.8p15/COPYRIGHT
/usr/share/doc/ntp-4.2.8p15/ChangeLog
/usr/share/doc/ntp-4.2.8p15/NEWS
/usr/share/man/man1/ntpstat.1.gz
/usr/share/man/man5/ntp.conf.5.gz
/usr/share/man/man5/ntp.keys.5.gz
/usr/share/man/man8/ntp-keygen.8.gz
/usr/share/man/man8/ntpd.8.gz
/usr/share/man/man8/ntpdc.8.gz
/usr/share/man/man8/ntpq.8.gz
/usr/share/man/man8/ntptime.8.gz
/usr/share/man/man8/tickadj.8.gz
/var/lib/ntp
/var/lib/ntp/drift
/var/log/ntpstats

References

ntp.x86_64 website

Summary

In this tutorial we learn how to install ntp.x86_64 on Amazon Linux 2 using yum.