Http://nsclient.o rg Michael Medin (@mickem) [email protected] SOA/Middleware Architect Michael Medin (@mickem) [email protected]

NSClient++

Whats new?

http://nsclient.org

Michael Medin (@mickem)

[email protected]

http://blog.medin.name

SOA/Middleware Architect

http://nsclient.org


[email protected]



Monitoring

Simplified

How many use NSClient++

NS-what did he say?

?#@*&%!I’m in the

wrong room!

How many like NSClient++?

..pdh collection thread not running…ERROR: Missing argument exceptionPdhCollectQueryData? failed: : -2147481643: No data to return.Failed to query performance counters:..pdh collection thread not running…ERROR: Missing argument exceptionPdhCollectQueryData? failed: : -2147481643: No data to return.Failed to query performance counters:

How many thinks it’s simple?

CheckEventLog file=application file=system MaxWarn=1 MaxCrit=1 "filter=generated gt -2d AND severity NOT IN ('success',

'informational') AND source != 'SideBySide'" truncate=800 unique descriptions "syntax=

%severity%: %source%: %message% (%count%)"

dev

worked in ops

a long time ago

not ops

work with “soa”

not, C/C++, nagios, …

Michael Medin

NSClient++

agent Since

2003?

windows

linux and modular by

design

Highly extensible

0.4.1: 2012-10-xx0.4.2: 2013-10-

xx?

<0.4.0

not open core

Open source

0.4.3: 2014-02-xx?

0.4.1is stable

one-man-bandno

company, no commercial version

, no payed time

Please don’t be angry!

Some times I am busy

Please don’t be angry!

Some times I am busy

Get your a** over here and play

NOW!

one-man-bandno

companysponsoring!donations!support!

, no commercial version

, no payed time

but…

Thank you!

What’s New!

Sockets: ipv6, ssl (true)

New protocols: NRDP, check_mk, Graphite, syslog, smtpReal-time checks: eventlog, logfilesSimplified: Command

line syntax

Modernized: NRPE, NSCA, check_nt

0.4.1

0.4.1Build 90 (2013-02-xx)

◦ nsclient-full.ini◦ Reload from script◦ (re)added check_filesize (ie. Check_nt –v FILESIZE)◦ Encoding support for NRPE◦ New option: scan-range for CheckEventLog◦ Various minor bug fixes

Build 96 (2013-04-xx)◦ Reverted external script quoting issues◦ (re)added check_fileage (ie. Check_nt –v FILEAGE)◦ Added support for binding to both ipv6 and ipv4◦ Various minor bug fixes

Build 102 (2013-08-xx)◦ PDH improvements◦ Performance data: pass through◦ Encoding support through out◦ Various minor bug fixes and enhacements

0.4.2: The goals

Modern Windows support

Simplified monitoringReal-time monitoring

Linux checks

0.4.2: The STATUS

Modern Windows support

Simplified monitoringReal-time monitoring

Linux checksNSCP protocolCheck_xxx clients

0.4.2: Some Examples

Check_os_Version

Check_pagefileCheck_process

NO MORE PDHCheck_serviceNrpe_client

Filters

Level Source … …

Error Word … …

Error Excel … …

Info Word … …

Warning Excel … …

Error App1 … …

Warning App1 … …

Error App3 … …


Error Word … …

Error Excel … …

Info Word … …


Error App1 … …


Error App3 … …

filter=” level = ’error’ ”


Error Word … …

Error Excel … …

Info Word … …


Error App1 … …


Error App3 … …

filter=” source = ’App1’ ”


Error Word … …

Error Excel … …

Info Word … …


Error App1 … …


Error App3 … …

filter=” source = ’App1 ”


Error Word … …

Error Excel … …

Info Word … …


Error App1 … …


Error App3 … …

filter=” source = ’App1’ or source = ’App3’ ”


Error Word … …

Error Excel … …

Info Word … …


Error App1 … …


Error App3 … …

filter=” source = ’App1’ or source = ’App3’or level = ’error’ ”


Error Word … …

Error Excel … …

Info Word … …


Error App1 … …


Error App3 … …

filter=” source = ’App1’ or source = ’App3’or level = ’error’ or level = ’warning’ ”


Error Word … …

Error Excel … …

Info Word … …


Error App1 … …


Error App3 … …

filter=” (source = ’App1’ or source = ’App3’or level = ’error’ or level = ’warning’) and

source != ’Excel’ ”


Error Word … …

Error Excel … …

Info Word … …


Error App1 … …


Error App3 … …

filter=” (source = ’App1’ or source = ’App3’or level = ’error’ or level = ’warning’) and

source != ’Excel’ ”

filter=” (source in (’App1’, ’App3’) or level in (’error’, ’warning’)) and source != ’Excel’ ”

filter = (id NOT IN ('3', '4', '6', '11', '16', '23', '24', '27', '29', '36', '46', '47', '50', '56', '134', '142', '219', '267', '270', '1006', '1009', '1014', '1030', '1035', '1036', '1055', '1058', '1071', '1073', '1085', '1102', '1110', '1111', '1112', '1131', '1291', '1500', '3095', '5719', '5722', '5783', '5788', '5789', '6008', '7000', '7001', '7003', '7005', '7009', '7011', '7022', '7023', '7024', '7026', '7030', '7031', '7034', '7038', '7041', '9015', '9018', '9026', '9028', '10009', '10010', '10016', '10149', '12294', '15300', '15301', '24679', '36887', '36888', '40960',

'40961', '45056') AND level IN ('error', 'warning'))

OR (id IN ('3') AND source NOT IN ('FilterManager') AND level IN ('error', 'warning'))

OR (id IN ('4') AND source NOT IN ('q57','L2ND') AND level IN ('error', 'warning')) OR (id IN ('6') AND source NOT IN ('Security-Kerberos') AND level IN ('error', 'warning')) OR (id IN ('11') AND source NOT IN ('Kerberos-Key-Distribution-Center') AND level IN ('error', 'warning')) OR

(id IN ('16') AND source NOT IN ('WindowsUpdateClient') AND level IN ('error', 'warning')) OR (id IN ('23') AND source NOT IN ('Eventlog') AND level IN ('error', 'warning')) OR (id IN ('24') AND source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR (id IN ('27') AND source NOT IN ('Eventlog') AND level IN ('error', 'warning')) OR (id IN ('29') AND source NOT IN ('Kerberos-Key-Distribution-Center') AND

level IN ('error', 'warning')) OR (id IN ('36') AND source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR (id IN ('46') AND source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR (id IN ('47') AND source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR (id IN ('50') AND source NOT IN ('TermDD','Time-Service') AND level IN ('error', 'warning')) OR (id IN ('56') AND source NOT IN ('TermDD') AND level IN ('error', 'warning')) OR (id IN ('134') AND source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR (id IN ('142') AND

source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR (id IN ('219') AND source NOT IN ('Kernel-pnp') AND level IN ('error', 'warning')) OR (id IN ('267') AND source NOT IN ('Storage-agents') AND level IN ('error', 'warning')) OR (id IN ('270') AND source NOT IN

('Storage-agents') AND level IN ('error', 'warning')) OR (id IN ('1006') AND source NOT IN ('DNS Client Events','GroupPolicy') AND level IN ('error', 'warning')) OR (id IN ('1009') AND source NOT IN ('picadm') AND level IN ('error', 'warning')) OR (id IN ('1014') AND source NOT IN ('DNS Client Events') AND level IN ('error', 'warning')) OR (id IN ('1030') AND source NOT IN ('GroupPolicy') AND level IN ('error', 'warning')) OR (id IN ('1035') AND source NOT IN ('TerminalServices-RemoteConnectionManager') AND level IN ('error', 'warning')) OR (id IN ('1036')

AND source NOT IN ('TerminalServices-RemoteConnectionManager') AND level IN ('error', 'warning')) OR (id IN ('1055') AND source NOT IN ('GroupPolicy') AND level IN ('error', 'warning')) OR (id IN ('1058') AND source NOT IN ('GroupPolicy') AND level IN ('error', 'warning')) OR (id

IN ('1071') AND source NOT IN ('TerminalServices-RemoteConnectionManager') AND level IN ('error', 'warning')) OR (id IN ('1073') AND source NOT IN ('USER32') AND level IN ('error', 'warning')) OR (id IN ('1085') AND source NOT IN ('GroupPolicy') AND level IN ('error',

'warning')) OR (id IN ('1102') AND source NOT IN ('SNMP') AND level IN ('error', 'warning')) OR (id IN ('1110') AND source NOT IN ('GroupPolicy') AND level IN ('error', 'warning')) OR (id IN ('1111') AND source NOT IN ('Server Agents') AND level IN ('error', 'warning')) OR (id IN ('1112') AND source NOT IN ('GroupPolicy') AND level IN ('error', 'warning')) OR (id IN ('1131') AND source NOT IN ('TerminalServices-

RemoteConnectionManager') AND level IN ('error', 'warning')) OR (id IN ('1291') AND source NOT IN ('NIC-agents') AND level IN ('error', 'warning')) OR (id IN ('1500') AND source NOT IN ('SNMP') AND level IN ('error', 'warning')) OR (id IN ('3095') AND source NOT IN

('Netlogon') AND level IN ('error', 'warning')) OR (id IN ('5719') AND source NOT IN ('Netlogon') AND level IN ('error', 'warning')) OR (id IN ('5722') AND source NOT IN ('Netlogon') AND level IN ('error', 'warning')) OR (id IN ('5783') AND source NOT IN ('Netlogon') AND level IN

('error', 'warning')) OR (id IN ('5788') AND source NOT IN ('Netlogon') AND level IN ('error', 'warning')) OR (id IN ('5789') AND source NOT IN ('Netlogon') AND level IN ('error', 'warning')) OR (id IN ('6008') AND source NOT IN ('Eventlog') AND level IN ('error', 'warning')) OR (id IN ('7000') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7001') AND source NOT IN ('service

control manager') AND level IN ('error', 'warning')) OR (id IN ('7003') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7005') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7009') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7011') AND source NOT IN ('service control manager') AND

level IN ('error', 'warning')) OR (id IN ('7022') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7023') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7024') AND source NOT IN ('service

control manager') AND level IN ('error', 'warning')) OR (id IN ('7026') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7030') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7031') AND source

NOT IN ('service control manager') AND strings not like 'citrix' AND level IN ('error', 'warning')) OR (id IN ('7034') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7038') AND source NOT IN ('service control manager') AND level IN

('error', 'warning')) OR (id IN ('7041') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('9015') AND source NOT IN ('Metaframe') AND level IN ('error', 'warning')) OR (id IN ('9018') AND source NOT IN ('Metaframe') AND level IN ('error', 'warning')) OR (id IN ('9026') AND source NOT IN ('Metaframe') AND level IN ('error', 'warning')) OR (id IN ('9028') AND source NOT IN

('Metaframe') AND level IN ('error', 'warning')) OR (id IN ('10009') AND source NOT IN ('DistributedCOM') AND level IN ('error', 'warning')) OR (id IN ('10010') AND source NOT IN ('DistributedCOM') AND level IN ('error', 'warning')) OR (id IN ('10016') AND source NOT IN

('DistributedCOM') AND level IN ('error', 'warning')) OR (id IN ('10149') AND source NOT IN ('WindowsRemoteManagement') AND level IN ('error', 'warning')) OR (id IN ('12294') AND source NOT IN ('Directory-Services-SAM') AND level IN ('error', 'warning')) OR (id IN ('15300') AND source NOT IN ('HTTPEVENT') AND level IN ('error', 'warning')) OR (id IN ('15301') AND source NOT IN ('HTTPEVENT') AND level IN

('error', 'warning')) OR (id IN ('24679') AND source NOT IN ('Cissesrv') AND level IN ('error', 'warning')) OR (id IN ('36887') AND source NOT IN ('Schannel') AND level IN ('error', 'warning')) OR (id IN ('36888') AND source NOT IN ('Schannel') AND level IN ('error', 'warning')) OR (id IN ('40960') AND source NOT IN ('LSASRV') AND level IN ('error', 'warning')) OR (id IN ('40961') AND source NOT IN ('LSASRV') AND level IN

('error', 'warning')) OR (id IN ('45056') AND source NOT IN ('LSASRV') AND level IN ('error', 'warning'))

Numbers, constants etcKey Safe Key Description

= eq Equals

!= ne Not equals

> gt Greater than

< lt Less than

>= ge Greater or equal than

<= le Less or equal than

in ( <LIST OF VALUES>)

In a given list

not in (…) Not in a given list

StringsKey Safe Key Description

= eq Equals

!= ne Not equals

> gt Greater than

< lt Less than

>= ge Greater or equal than

<= le Less or equal than

in ( <LIST OF VALUES>)

In a given list

not in (…) Not in a given list

like Substring matching

regexp Regular expression

not like Opposite of like

not regexp Opposite of regexp

All good things are three!

Filter

Warning

Critical

Ok


Error Word … …

Error Excel … …

Info Word … …


Error App1 … …


Error App3 … …

filter=” source = ’App1’ “

warn=” level = ’Warning’ “

Display

Custom strings

Supports substitutions ${…}

top- and detail-syntax

Display

detail-syntax=”s: ${source} “

top-syntax=“Hello: ${list}”Hello: s: App1, s: App1, s: App3

check_pagefile "filter=name = 'total'”

check_uptime "warn=uptime < -2d“"crit=uptime < -1d“

check_process process=explorer.exe "warn=working_set > 70m" "detail-syntax=${exe} ws:${working_set}, handles: $

{handles}, user time:${user}s”

Simple?

Let me guess

This all seems Like a lot of typing!

Sensibledefaults!

check_cpuJust

works!

Real time

monitoring

Active monitoring!

Monitored Server(Windows)

Monitoring Server(Nagios)

check_cpu

check_uptimecheck_mem

check_eventlogcheck_updates

......



check_cpu

check_uptimecheck_mem

check_eventlogcheck_updates

......

Passive monitoring!

Real-time monitoring!



Error detected in eventlog

Everything is ok

CheckLogFile

NSClient++ Core

Linux Kernel

FILE

NSCA NSCAClient

SimpleFileWriter

File

No CPU overhead Notified

instantlyPowerful filtering

CheckLogFile

NSClient++ Core

Linux Kernel

FILE

NSCA NSCAClient

SimpleFileWriter

File

[/modules]CheckLogFile = enabledNSCAClient = enabledSimpleFileWriter = enabled

[/settings/logfile/real-time/checks/my_check]destination = FILE,NSCAfile = test.txtwarning = column1 like ‘warn’critical = column2 like ‘crit’

[/settings/NSCA/client/targets/default]address = 10.11.12.13encryption = aespassword = secreter

But I

use NRP

E

CheckLogFile

NSClient++ Core

Linux Kernel

FILE

NSCA NSCAClient

SimpleFileWriter

SimpleCacheCACHE

NRPEServer

No CPU overhead

Powerful filtering

Stored in cache

Check latest result Fetched instantly

CheckLogFile

NSClient++ Core

Linux Kernel

FILE

NSCA NSCAClient

SimpleFileWriter

SimpleCacheCACHE

NRPEServer

[/modules]CheckLogFile = enabledSimpleCache = enabledNRPEServer = enabled

[/settings/logfile/real-time/checks/my_check]destination = CACHEfile = test.txtwarning = column1 like ‘warn’critical = column2 like ‘crit’

[/settings/NRPE/server]allowed hosts = 10.11.12.13allow arguments = true

But HOW ABOUT

Graphing?

Two options:

1, store/fetch from cache2, submit passively

but not to Nagios!

LINUX

By ~Nac-Mac-Feegle

apt-get install …git clone git://github.com/mickem/nscp.gitmkdir build ; cd buildcmake ../nscpmake

Manually install visual studio, python and cmakeDownload and unpack nscp source

python nscp\build\python\fetchdeps.py

--target x64 --cmake-config distcmake ../nscp

msbuild /p:Configuration=RelWithDebInfo NSCP.sln

Please help with packages!

I will give you free* beer!

*Free as in your free to buy it your self!

AGENTless

NativeSecure

Simple

FastLight weightA work in progress

check_service computer=192.168.0.1check_disk drive=\\192.168.0.1\c$check_task_sched computer=192.168.0.1check_wmi computer=192.168.0.1

What’s coming: 0.4.3Light weight remote deployable agentSame as psexeccheck_cpucheck_memorycheck_processExternal scripts!

http://nsclient.org


[email protected]



Monitoring

Simplified


CheckEventLog file=application file=system MaxWarn=1 MaxCrit=1 "filter=generated gt -2d AND severity NOT IN ('success',

'informational') AND source != 'SideBySide'" truncate=800 unique descriptions "syntax=

%severity%: %source%: %message% (%count%)"


check_eventlog

Photo by Olga Berrios

Q&A

THANK YOU!

Information about NSClient++http://nsclient.org

facebook.com/nsclient

Slides, and exampleshttp://nsclient.org/nscp/conferances/nwc/2013/

My Bloghttp://blog.medin.name


[email protected]



Documents

Http://nsclient.o rg Michael Medin (@mickem) [email protected] SOA/Middleware Architect Michael Medin (@mickem) [email protected]