OMS – Agent for Linux Troubleshooting Help

In my previous post I introduced the OMS Agent for Linux. This time I would like to give you some troubleshooting starting points. There are countless possibilities for errors to occur, so it is nice to have at least a consolidated list where to find a log or configuration file. This should give you a pretty good overview of the most important places to look for. For detailed configuration scenarios read the documentation on GitHub .

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Log file paths:

In general  the logs for the OMS Agent for Linux can be found at:

/var/opt/microsoft/omsagent/log/

The logs for the omsconfig (agent configuration) program can be found at:

/var/opt/microsoft/omsconfig/log/

Logs for the OMI and SCX components (which provide performance metrics data) can be found at:

/var/opt/omi/log/ and /var/opt/microsoft/scx/log

Logs for the DSC setting can be found at:

/opt/microsoft/omsconfig/Scripts/


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Specific log files:

The log files for omsagent (fluentd) can be found here:

/var/opt/microsoft/omsagent/log/omsagent.log

The log files for onboarding & certificates:

/var/opt/microsoft/omsagent/bin/omsadmin.log

The log files about DSC feature omsconfig (DSC):

var/opt/microsoft/omsconfig/omsconfig.log
var/opt/omi/log/omiserver.log

The log files for perf counters issues:

/var/opt/microsoft/scx/log/scx.log
/var/opt/omi/log/omiserver.log


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Specific OMS agent tests:

Operating system namespace probe on OMI agent:

/opt/microsoft/scx/bin/tools/omicli ei root/scx SCX_OperatingSystem

Agent namespace probe on OMI agent:

/opt/microsoft/scx/bin/tools/omicli ei root/scx SCX_Agent

If you want to display the desired configuration:

sudo su omsagent –c /opt/microsoft/omsconfig/Scripts/GetDscConfiguration.py

If you want to test desired configuration:

sudo su omsagent –c /opt/microsoft/omsconfig/Scripts/TestDscConfiguration.py


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Configuration files:

If you want to configure the Syslog collection edit one of these files, depending on your distribution:

/etc/rsyslog.d/rsyslog-oms.conf

/etc/syslog.conf

/etc/rsyslog.conf

/etc/syslog-ng/syslog-ng.conf (SLES)

If you want to configure general agent settings:

/etc/opt/microsoft/omsagent/conf/omsadmin.conf

If you want to configure performance counter, alert settings for Zabbix, Nagios and Container data:

/etc/opt/microsoft/omsagent/conf/omsagent.conf

If you want to configure omiserver:

/etc/opt/omi/conf/omiserver.conf

If you want to configure omicli:

/etc/opt/omi/conf/omicli.conf


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General problems & solutions:

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(Source: Microsoft)

Some more OMI specific troubleshooting steps you can find here http://social.technet.microsoft.com/wiki/contents/articles/19527.scom-2012-r2-manually-installing-and-troubleshooting-linuxunix-agents.aspx

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