CheckMK rack1 Mark III, Руководство пользователя

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Check_MK rack1 Mark III - Manual 17 / 61
7.5 Configuring time synchronisation
The system time of the device is used for many purposes, such as for recording measurement data or
writing log files. A stable system time is therefore very important. This is best ensured by using a time
synchronisation service (NTP).
To activate the synchronisation, enter the host address of at least one time server under NTP server .
7.6 Forwarding syslog entries
Log messages are generated on the device by the operating system and some permanently running
processes. They are initially written into a
local log via syslog.
You can also send these entries to a central or higher-level syslog server where they can be evaluated,
filtered or archived.
Select the item Syslog to configure the forwarding.
In the dialogue box that appears next, you can configure which protocol you wish to use for forwarding.
Syslog via UDP is more widely used, but not as reliable as via TCP. So if your syslog server supports both
protocols, it is recommended to use TCP.
You also need to configure the host address of the syslog server that is to receive the log messages.
7.7 Changing the default web page
If you access the host address of the device directly via the web browser without entering a path, you
will be taken to the web interface of the device in the default setting. However, it is also possible for
you to be forwarded directly to a monitoring instance of your choice.
You can configure this using the setting HTTP access without URL . Via this setting, select the monitoring
instance to open instead of the web interface.
7.8 Configuring outgoing emails
So that you can send emails from the device (in the case of events during monitoring for example), the
forwarding of emails to one of your mail servers must be configured.
In order for the sending of emails to work, you must have at least configured the host address of your
mail server as an
SMTP relay server . This server will receive the emails from your device and forward
them.
However, configuring the SMTP relay server is only sufficient as long as your mail server accepts emails
via anonymous SMTP. If your mail server requires authentication, then you need to activate the appro-
priate login method under the item
Authentication and indicate the access data of an account that can
log onto the mail server.
If you do not even receive any emails after the configuration, it is worth taking a look at the system log
of the device. All attempts to send emails are logged here.
The device itself can send system emails if there are critical problems (e.g. a job cannot be executed or
a hardware problem has been detected). In order to receive these emails, you must configure an email
address to which these emails are to be sent.
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