Shulou(Shulou.com)06/02 Report--

1. Ntp server build 1.centos7.6, build ntp server

Before installation:

[root@ntpserver ~] # more / etc/redhat-release CentOS Linux release 7.6.1810 (Core) [root@ntp-server ~] # ps-ef | grep ntproot 18054 17742 0 15:53 pts/0 00:00:00 grep-- color=auto ntp [root@ntp-server ~] # ll / etc/ | grep ntp [root@ntp-server ~] # ntpdate-bash: ntpdate: command [root@ntp-server ~] # systemctl status ntpdUnit ntpd.service could not be found not found.

Ntp server ip is 172.27.9.131 and the operating system version is centos 7.6.There is no ntp service before installation, and there is no related ntp file or ntpdate command in the / etc directory.

Installation:

[root@ntp-server ~] # yum-y install ntp [root@ntp-server ~] # ps-ef | grep ntp root 18225 17742 0 16:00 pts/0 00:00:00 grep-- color=auto ntp [root@ntp-server ~] # ll / etc/ | grep ntp drwxr-xr-x 3 root root 52 November 5 15:59 ntp-rw-r--r-- 1 root root August 6 21:44 ntp.conf [root@ntp- Server ~] # ntpdate 5 Nov 16:01:04 ntpdate [18240]: no servers can be used Exiting [root@ntp-server ~] # systemctl status ntpd ● ntpd.service-Network Time Service Loaded: loaded (/ usr/lib/systemd/system/ntpd.service Disabled; vendor preset: disabled) Active: inactive (dead)

2.ntp server configuration

New profile ntp-source.conf

[root@ntp-server ~] # cat > / etc/ntp/ntp-source.conf

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