Failed to restart ntpd.service: Unit ntpd.service not found.
Oracle Linux: How to Start NTP Service With Slewing Enabled (Doc ID 2422934.1)
yum clean all && yum makecache
history
cat /etc/resolv.conf
# Generated by NetworkManager
#search lan
nameserver 127.0.0.1
search localdomain
nameserver 192.168.1.214
nameserver 9.9.9.9
yum install ntp
{
echo OPTIONS=\"-x -u ntp:ntp -p /var/run/ntpd.pid\"
} > /etc/sysconfig/ntpd
==
{ echo OPTIONS=\"-x -u ntp:ntp -p /var/run/ntpd.pid\"; } > /etc/sysconfig/ntpd
systemctl restart ntpd.service
cat /etc/sysconfig/ntpd
cat /etc/ntp.conf
server 0.rhel.pool.ntp.org iburst
server 1.rhel.pool.ntp.org iburst
server 2.rhel.pool.ntp.org iburst
server 3.rhel.pool.ntp.org iburst
[root@ora-rac1 ~]#
systemctl restart ntpd.service
[root@ora-rac1 ~]# ps -ef|grep -i ntpd
ntp 14258 1 0 08:06 ? 00:00:00 /usr/sbin/ntpd -u ntp:ntp -x -u ntp:ntp -p /var/run/ntpd.pid
root 14292 12045 0 08:07 pts/1 00:00:00 grep --color=auto -i ntpd
[root@ora-rac1 ~]# netstat -pl | grep ntp
udp 0 0 ora-rac1:ntp 0.0.0.0:* 14258/ntpd
udp 0 0 ora-rac1-priv.uk.co:ntp 0.0.0.0:* 14258/ntpd
udp 0 0 ora-rac1.uk.com:ntp 0.0.0.0:* 14258/ntpd
udp 0 0 localhost:ntp 0.0.0.0:* 14258/ntpd
udp 0 0 0.0.0.0:ntp 0.0.0.0:* 14258/ntpd
udp6 0 0 ora-rac1:ntp [::]:* 14258/ntpd
udp6 0 0 ora-rac1:ntp [::]:* 14258/ntpd
udp6 0 0 ora-rac1:ntp [::]:* 14258/ntpd
udp6 0 0 localhost:ntp [::]:* 14258/ntpd
udp6 0 0 ora-rac1:ntp [::]:* 14258/ntpd
udp6 0 0 [::]:ntp [::]:* 14258/ntpd
[root@ora-rac1 ~]# pstree -l -s -p -a 14258
systemd,1 --switched-root --system --deserialize 22
└─ntpd,14258 -u ntp:ntp -x -u ntp:ntp -p /var/run/ntpd.pid
[root@ora-rac1 ~]# ps -P 14258
PID PSR TTY STAT TIME COMMAND
14258 0 ? Ss 0:00 /usr/sbin/ntpd -u ntp:ntp -x -u ntp:ntp -p /var/run/ntpd.pid
[root@ora-rac1 ~]#
=========
yum install ntp -y
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
base | 3.6 kB 00:00:00
extras | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
Resolving Dependencies
--> Running transaction check
---> Package ntp.x86_64 0:4.2.6p5-29.el7.centos.2 will be installed
--> Processing Dependency: libopts.so.25()(64bit) for package: ntp-4.2.6p5-29.el7.centos.2.x86_64
--> Running transaction check
---> Package autogen-libopts.x86_64 0:5.18-5.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
==============================================================================================================================================================================================================
Package Arch Version Repository Size
==============================================================================================================================================================================================================
Installing:
ntp x86_64 4.2.6p5-29.el7.centos.2 base 549 k
Installing for dependencies:
autogen-libopts x86_64 5.18-5.el7 base 66 k
Transaction Summary
==============================================================================================================================================================================================================
Install 1 Package (+1 Dependent package)
Total download size: 615 k
Installed size: 1.5 M
Downloading packages:
No Presto metadata available for base
(1/2): autogen-libopts-5.18-5.el7.x86_64.rpm | 66 kB 00:00:00
(2/2): ntp-4.2.6p5-29.el7.centos.2.x86_64.rpm | 549 kB 00:00:00
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 2.2 MB/s | 615 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
Installing : autogen-libopts-5.18-5.el7.x86_64 1/2
Installing : ntp-4.2.6p5-29.el7.centos.2.x86_64 2/2
warning: /etc/ntp.conf created as /etc/ntp.conf.rpmnew
warning: /etc/sysconfig/ntpd created as /etc/sysconfig/ntpd.rpmnew
Verifying : autogen-libopts-5.18-5.el7.x86_64 1/2
Verifying : ntp-4.2.6p5-29.el7.centos.2.x86_64 2/2
Installed:
ntp.x86_64 0:4.2.6p5-29.el7.centos.2
Dependency Installed:
autogen-libopts.x86_64 0:5.18-5.el7
Complete!
[root@ora-rac2 ~]#
Friday, 29 November 2024
How to install NTP ?
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