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Manual Set up
  
Manual Set up
Introduction
This document is intended for the System administrator that has the operational responsibility for the op5 system. You are expected to have good knowledge and understanding of computers and have basic UNIX or Linux knowledge.
This document will try to give you a brief overview of the underlying system that is the base for the op5 products and it will cover most basic things that are needed to manage the day to day operation.
The information here is primary for systems that do not use op5 Appliance but the information here can be used for op5 Appliance as well.
Manually from the prompt
Editing configuration files
You can also setup an op5 System by using a text editor such as vim or jed.
Note: Note: this manual does not cover the usage of vim or jed, there are other manuals that does that. Check out the command vimtutor for an intruduction to the vim editor.
The following files needs to be edited if you configure the system by a text editor
To configure keyboard layout:
/etc/sysconfig/keyboard
To set root password run the command passwd.
monitor!root:~# passwd
To configure timezone
/etc/sysconfig/clock
 
The following files are used when changing the network settings:
 
File
Usage
/etc/hosts
FQDN, hostname and host aliases
/etc/resolv.conf
DNS resolving
/etc/sysconfig/network
Hostname, Domain, Default gateway
/etc/sysconfig/network-scripts/ifcfg-<ifname>
IP Address, Netmask
 
Network time server: /etc/ntp.conf
Editing this file is optional but highly recommended by op5.
This file configures which server that the op5 System shall use as Network Time Server. Edit the variable ‘server’ to change the server to synchronize against. It is possible to add several server entries to get time from several NTP servers.
If you are unsure about if you have a NTP server to synchronize against you can always use pool.ntp.org which is a large pool of, free to use, NTP servers on the Internet.
Example:
server ntp.pool.org
When you have edited the file you can issue following commands to force a time syncronization and test your configuration.
service ntpd stop
ntpdate ntp1.sth.netnod.se
service ntpd start
You can replace ntp1.sth.netnod.se in the example above with the ipaddress or hostname of your own NTP server.
Note: NTP communicates over port 123/UDP, don’t forget to configure your firewalls.
E-mail settings: /etc/postfix/main.cf
Editing this file is mandatory.
This file configures postfix which is the MTA (Mail Transfer Agent) that comes with op5 System. The MTA is used primarily to send out notification and report emails from your op5 products.
To be able to deliver emails the following variables must be edited
myhostname, set itto the FQDN of your op5 System
If you want the MTA to use a relay host (ie forward all emails to a specific mail server) edit following variables.
relay_host, set this to the hostname of your mail server. This variable is optional.
fallback_relay, set this to the hostname of your fallback relay, in case your primary mailserver is down. This variable is optional.