License

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

A copy of the license is included in the section entitled "GNU Free Documentation License".

Introduction

This documentation comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law.

Howto: Time-Server for Gentoo Linux

Here a litte configuration for a timeserver in the LAN.
For this you need to get the specific certificates from the Server Admin.

If you want to use this solution you need the following howto(s) finished:

Basesystem

Required software

The required software has to be installed with the following command(s):

emerge net-misc/ntp

Changes in /etc/cron.hourly/ntpdate.sh

File permissions:
Owner: root
Group: root
Permissions: -rwx------

Click here for a download of the complete file: /etc/cron.hourly/ntpdate.sh

Changed on 11.09.08
Issued by olli
Beginning line 2

Set the system and BIOS time/date daily from the internet.

#!/bin/bash
ntpdate -us 0.de.pool.ntp.org || ntpdate -us 1.de.pool.ntp.org
hwclock --systohc

Changes in /etc/ntp.conf

File permissions:
Owner: root
Group: root
Permissions: -rw-r--r--

Click here for a download of the complete file: /etc/ntp.conf

Changed on 08.09.08
Issued by olli
Beginning line 44

Allow the LAN to connect to the timeserver. Set this to your network ip and subnet mask.

Before change

restrict default nomodify nopeer noquery limited kod
restrict 127.0.0.1

After change

restrict default nomodify
restrict my.lan.network.ip mask XXX.XXX.XXX.XXX
restrict my.dmz.network.ip mask XXX.XXX.XXX.XXX
restrict 127.0.0.1

Setting up services

For starting the new service after system reboot you should add it to a runlevel with the following command(s):

rc-update add ntpd default

Please send a feedback to: doc<at>gabosh.net

Howto listing
File Index

Here you can find the official Gentoo Linux Forums where you can find a lot of answers.

Here a link to the official Gentoo Linux Homepage.

Edit Howto

About / Impressum

Click here for About / Impressum

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