CheckMK rack1 Mark III Manuale utente
Check_MK rack1 Mark III - Manual
Valid since version 1.4.0
Contents
1 Quick start guide 1
2 Shipment 2
3 Basic configuration 3
3.1 Network and access configuration via console ............................ 5
3.1.1 Network configuration ....................................... 5
3.1.2 Access to the web interface .................................... 5
3.1.3 Protecting access to the console ................................. 6
3.2 Basic settings on the web interface ................................... 7
4 Administrating monitoring instances 10
4.1 Migrating existing sites .......................................... 12
5 Administrating Check_MK versions 14
6 Firmware installation 15
7 Device settings 16
7.1 Changing the language .......................................... 16
7.2 Changing the network configuration .................................. 16
7.3 Configuring host and domain names .................................. 16
7.4 Configuring name resolution ....................................... 16
7.5 Configuring time synchronisation .................................... 17
7.6 Forwarding syslog entries ......................................... 17
7.7 Changing the default web page ..................................... 17
7.8 Configuring outgoing emails ....................................... 17
7.9 Changing access to Check_MK agents ................................. 18
8 Remote access via SSH 19
8.1 Activating instance login via SSH .................................... 19
8.2 Activating console via SSH ........................................ 19
8.3 Activating root access via SSH ...................................... 20
©Copyright Mathias Kettner GmbH 2018 mathias-kettner.de
CONTENTS CONTENTS
9 Protecting web access via SSL 23
9.1 Installing a certificate ........................................... 23
9.1.1 Creating a new certificate and having it signed ........................ 23
9.1.2 Creating a new certificate and signing it yourself ...................... 24
9.1.3 Uploading existing certificate ................................... 25
9.2 Configuring access types ......................................... 25
9.3 Displaying current configuration/certificates ............................. 26
10Device control 27
10.1Restarting / Shutting down ........................................ 27
10.2Switching on device via Wake-on-LAN ................................. 28
10.3Restoring factory configuration ..................................... 28
11Backup 30
11.1Automatic backup .............................................. 30
11.2Configuring the backup .......................................... 30
11.3Backup format ................................................ 32
11.4Encryption .................................................. 32
11.5Compression ................................................. 33
11.6Recovery ................................................... 34
11.6.1Disaster recovery .......................................... 35
11.7Monitoring .................................................. 35
11.8Special features with clusters ...................................... 35
12Mounting network file systems 36
12.1Mounting a network file system ..................................... 36
13Failover cluster 38
13.1Prerequisites ................................................. 38
13.2Migration of existing installations .................................... 39
13.3Configuration of the cluster ........................................ 39
13.3.1Network configuration ....................................... 39
13.3.2Host names .............................................. 43
13.3.3Connecting the cluster ....................................... 43
13.4The state of the cluster .......................................... 45
13.5Special cases in the cluster ........................................ 46
13.5.1Access to resources ......................................... 46
13.5.2Device settings ........................................... 47
13.5.3IP addresses or host names of the nodes ............................ 47
13.5.4Administrating Check_MK versions and monitoring instances ............... 47
©Copyright Mathias Kettner GmbH 2018 mathias-kettner.de
CONTENTS CONTENTS
13.6Administrative tasks ............................................ 47
13.6.1Firmware updates in the cluster ................................. 47
13.6.2Disbanding clusters ......................................... 49
13.6.3Exchanging a device ........................................ 49
13.7Diagnostics and troubleshooting ..................................... 49
13.7.1Logging ................................................ 49
14SMS notifications 51
14.1Starting up the modem .......................................... 51
14.2Diagnostics .................................................. 52
15RAID administration 53
15.1Administration in web interface ..................................... 53
15.2Exchanging a defective hard drive .................................... 53
15.3Both hard drives defective ........................................ 54
16Management interface 55
17Diagnostics 56
17.1Logs ...................................................... 56
17.2Available Memory .............................................. 57
18Service & support 58
18.1Manual .................................................... 58
18.2Internet .................................................... 58
18.3Firmware ................................................... 58
18.4Hardware support ............................................. 58
18.5Software support .............................................. 58
19Appendices 59
.1 CE declaration of conformity ....................................... 59
.2 Licences ................................................... 59
.3 VMware Tools ................................................ 60
.4 VirtualBox Guest Additions ........................................ 60
.5 Legal notice ................................................. 60
Index 61
©Copyright Mathias Kettner GmbH 2018 mathias-kettner.de
Check_MK rack1 Mark III - Manual 1 / 61
1. Quick start guide
• Unpack the device and first of all check that your shipment is complete.
• Plug in the device. When installing for the first time, you should ensure the following connections as
a minimum:
–Monitor-to-VGA connector
–USB-keyboard
–Network connection (connector: LAN1)
–Power supply
• During the launching procedure of the device, a dialogue box asking you to initialise the RAID will
appear on the screen (NOTE: All data on the hard drives will be deleted!). Confirm the box. After
a few minutes the launching procedure will resume.
• On completion of the launching procedure, the console status view will be displayed.
• So that the appliance can be used for monitoring, there are some settings that need to be made. Press
the key <F1> and, using the configuration dialogue box, configure the following settings as a minimum:
–Network configuration
–Access to the web interface
• Once you have configured these settings, you can access the web interface from a computer connected
to the network by entering the URL http://<ipaddress>/ into the web browser. Log into the web
interface using the password you just configured.
• Select the item instance administration on the menu now shown and click on Create new instance on
the following page.
• Now create a new monitoring instance using the current dialogue box. This instance will start auto-
matically.
• You can now call up the URL http://<ipaddress>/<instanz-id>/ in your browser,
where you can set up Check_MK in the usual manner.
• In order to make things such as name resolution and sending emails possible, you must make further
settings in the web interface. You can read more about this in the chapter on basic configuration on
the web interface.
©Copyright Mathias Kettner GmbH 2018 mathias-kettner.de
Check_MK rack1 Mark III - Manual 2 / 61
2. Shipment
The following are included with your Check_MK rack1 Mark III:
• Check_MK rack1 Mark III appliance
–Two internal power supply units
–Two hard drives in a caddy (1 TB)
• Documentation
• Two power cords
• One set of mounting rails
©Copyright Mathias Kettner GmbH 2018 mathias-kettner.de
Check_MK rack1 Mark III - Manual 3 / 61
3. Basic configuration
When starting up for the first time, a message will appear asking you what language to choose. This
language will be saved for the entire device.
You will then be displayed a message asking you to initialise the data medium. Confirm this dialogue
box and wait for device startup to be resumed and for the status screen to then be displayed.
©Copyright Mathias Kettner GmbH 2018 mathias-kettner.de
Check_MK rack1 Mark III - Manual 4 / 61
Once the device has been started up, you will see the status screen on the local console.
This screen will show you general status information and the most important configuration options of
your device.
©Copyright Mathias Kettner GmbH 2018 mathias-kettner.de
Check_MK rack1 Mark III - Manual 5 / 61
3.1 Network and access configuration via console
From the status screen, you can get to the configuration menu by pressing the key <F1>.
For starting up the device, you now need to set the network configuration and specify the device pass-
word.
3.1.1 Network configuration
Use this dialogue box to set up the network configuration of the device. The IP-address, netmask and
the optional default gateway will be queried.
In most cases, the device will need to also access network devices outside of its own network segment.
The default gateway must also be configured for this purpose.
Once these values have been entered, the configuration will be activated, meaning the device will be
immediately reachable via the network and at the entered IP address. One way of testing this is to send
aping from another device in the network.
3.1.2 Access to the web interface
A large part of the device’s configuration is carried out via the web interface. Access to this web interface
is protected by a password, the device password, which you need to specify first.
The factory settings do not include a device password, meaning you cannot yet access the web interface.
Press the key <F1> on the status screen and select device password in order to set the password.
Then select the option web interface from the configuration menu to activate the web interface.
©Copyright Mathias Kettner GmbH 2018 mathias-kettner.de
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