How to Upgrade check-mk to latest version on Debian 8 jessie

You don't need shutdown before the dpkg package upgrade.

1. Download and upgrade to the latest check-mk package:

# dpkg -l|grep check-mk
ii  check-mk-agent                 1.2.8p15-1                         all          Check_MK Agent for Linux
ii  check-mk-raw-1.4.0p8           0.jessie                           amd64        Check_MK is a full featured system monitoring

# wget https://mathias-kettner.de/support/1.4.0p36/check-mk-raw-1.4.0p36_0.jessie_amd64.deb

# sudo dpkg -i check-mk-raw-1.4.0p36_0.jessie_amd64.deb 
Selecting previously unselected package check-mk-raw-1.4.0p36.
(Reading database ... 54001 files and directories currently installed.)
Preparing to unpack check-mk-raw-1.4.0p36_0.jessie_amd64.deb ...
Unpacking check-mk-raw-1.4.0p36 (0.jessie) ...
Setting up check-mk-raw-1.4.0p36 (0.jessie) ...
New default version is 1.4.0p36.cre.
update-alternatives: using /omd/versions/1.4.0p36.cre to provide /omd/versions/default (omd) in manual mode
Installing systemd service: omd.init
Disabling startup through SysV (/etc/init.d/*) scripts
Activating startup during system boot
Processing triggers for systemd (215-17+deb8u7) ...
Processing triggers for man-db (2.7.0.2-5) ...

2. After package upgrade su to omd site user to perform site update:



# su - milllion-doller-server
OMD[milllion-doller-server]:~$ omd status
mkeventd:       running
rrdcached:      running
npcd:           running
nagios:         running
apache:         running
crontab:        running
-----------------------
Overall state:  running

OMD[milllion-doller-server]:~$ omd update
Please completely stop 'milllion-doller-server' before updating it.

OMD[milllion-doller-server]:~$ omd stop
Removing Crontab...OK
Stopping dedicated Apache for site milllion-doller-server....OK
Stopping nagios......OK
Stopping npcd...OK
Stopping rrdcached...waiting for termination...OK
Stopping mkeventd...killing 21922....OK
OMD[milllion-doller-server]:~$ omd update
Unmounting temporary filesystem...OK
Cleaning up temp filesystem...OK

+-------------------------------------------------------------+
| You are going to update the site milllion-doller-server     |
| from version 1.4.0p8.cre to version                         |
| 1.4.0p36.cre. This will include updating all of             |
| you configuration files and merging changes in              |
| the default files with changes made by you. In              |
| case of conflicts your help will be needed.                 |
+-------------------------------------------------------------+
|                 < Abort >                          |
+-------------------------------------------------------------+


2018-09-28 13:32:09 - Updating site 'milllion-doller-server' from version 1.4.0p8.cre to 1.4.0p36.cre...

 * Updated        etc/nagvis/nagvis.ini.php
 * Updated        etc/nagvis/conf.d/demo.ini.php
Finished update.

3. Start the omd site after upgrade and check the status:



OMD[milllion-doller-server]:~$ omd start
Creating temporary filesystem /omd/sites/milllion-doller-server/tmp...OK
Starting mkeventd...OK
Starting rrdcached...OK
Starting npcd...OK
Starting nagios...2018-09-28 13:32:15 [6] updating log file index
2018-09-28 13:32:15 [6] updating log file index
OK
Starting dedicated Apache for site milllion-doller-server...OK
Initializing Crontab...OK

OMD[milllion-doller-server]:~$ omd status
mkeventd:       running
rrdcached:      running
npcd:           running
nagios:         running
apache:         running
crontab:        running
-----------------------
Overall state:  running