Differences between revisions 2 and 8 (spanning 6 versions)

NTP

NTP is a TCP/IP protocol for synchronizing time over a network.

Slackware

Run the command as superuser:

Date and time should be stored in UTC.

Info on slack docs:

Enable the service:

Start the service manually:

Add ntp server

Check the offset in seconds

Run the command:

Check the UTC date:

Edit the file /etc/rc.conf:

Start and check the NTPD service status:

-  ⇤ ← Revision 2 as of 2013-11-20 22:54:00 → 
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  Editor: 31
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+   ← Revision 8 as of 2014-01-08 15:35:51 → ⇥
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  Editor: bl13-13-184
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+Additions are marked like this.
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+## page was renamed from UpdateClockInSlackwareWithNTP
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+NTP is a TCP/IP protocol for synchronizing time over a network.
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-== Update clock in Slackware with NTP ==
+== Slackware ==

=== Update clock ===
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+Line 28:
-Check the offset in milliseconds
+Check the offset in seconds
 * ntpdate -q pt.pool.ntp.org # offset in seconds
 * ntpq -pn

== CentOS ==
 * yum install ntp
 * service ntpd start
 * chkconfig ntpd on
 * service ntpd stop
 * ntpdate pt.pool.ntp.org # sync clock
 * service ntpd start
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+== Ubuntu / Debian ==
 * apt-get install ntp
 * ntpdate -q pt.pool.ntp.org
 * service ntp stop
 * ntpdate  pt.pool.ntp.org
 * service ntp start
 * ntpq -pn

== FreeBSD 9.0 ==
Run the command:
 * ntpdate pool.ntp.org

Check the UTC date:
 * date -u

Edit the file '''/etc/rc.conf''':
 * ntpd_enabled="YES"

Start and check the NTPD service status:
 * /etc/rc.d/ntpd start
 * /etc/rc.d/ntpd status