Monitoring file age with nagios and nsclient easy nagios. The updated version has a few minor quick bugfixes. Set to 1 if you want debug message printed in the log file debug messages are always printed to stdout when run with test debug1. For the activation of nrpe with arguments, the following text is added to the file c. Nrpe allows you to remotely execute nagios plugins on other linuxunix. Basically what i do is edit the i or i on the server and add an alias for the eventlog check and then just call it from nagios. Could not complete the request check log file for more information. I tried to follow the instructions on the homepage of the plugin but it appears i needed to adapt it a bit. The offset will then be saved in a socalled seekfile. I can see the change by issuing the following to nscp test log info code. Could not construct return packet in nrpe handler check. New build just out not on sourceforge yet, lets see if there are any other minor fixes first.
Nagios log server provides complete monitoring of log files, application logs, event logs, service logs, and system logs on windows servers, linux servers, and unix servers. How do i use nagios to monitor a log file stack overflow. Nagios exchange the official site for hundreds of communitycontributed nagios plugins, addons, extensions, enhancements, and more. However, the above syntax returns all eventtypes including error, warning, information from the listed event sources although i havent proved that they are explicitly the event sources and not all event sources in the event log file, that occurred less than 5 minutes ago. This book contains many real life examples derived from the authors experience as a linux system and network administrator, trainer and consultant. Nagios nrpe cannot read log file solutions experts exchange. At the moment i recieve invalid password about twice a week. Log onto your remote windows machine as an administrator. Once you add service objects to nagios for these passive check results, they will no longer be logged in nagios. Some people experience high cpu load when checking the event log this can usually be resolved using the new command line option scanrange setting it to the time region you want to check. Realtime log file monitoring both event log and text files michael.
On a certain target, i am trying to monitor my varlogauth. It checks log entries for drivers using standard hours solo and twoup, bfm solo and twoup and wa solo and twoup. If this did not work we probably want to do some debugging. It is monitoring all things except the one below on multiple targets fine. Increase security and awareness of network infrastructure problems.
A logbook check is highly advisable when buying a used car, van or motorbike, as it quickly determines whether there are any identity issues with the vehicle. Following the i example code i have defined mycheckcmd c echo c. Nagios log server is the most powerful and trusted it log analysis tool on the market. Nsclient is an agent designed originally to work with nagios but has since evolved into a fully fledged monitoring agent which can be used with numerous monitoring tools like icinga, naemon, op5, neteye opsview etc. Nrpe can also communicate with some of the windows agent addons, so you can execute scripts and check metrics on remote windows machines as well. Nagios is capable of monitoring system logs, application logs, log files, and syslog data, and alerting you when a. Thanks to a compatibility layer most old command should still work but there are some snags so be ware. Here is an example from the command line to check a performance counter. Some people experience high cpu load when checking the event log this can usually be resolved using the new command line option scanrange setting it. It works in one place and it doesnt in other places. Im only testing this on one server right now on one log, the system log.
The overflow blog how the pandemic changed traffic trends from 400m visitors across 172 stack. The preferred monitoring type for a windows host is, as with other systems, nrpe. In a first time well configure nrpe and in a second time well configure rsyslog configuration. The book also includes a chapter that highlights the differences between nagios versions 2 and 3 and gives practical migration and compatibility tips. This is vastly different since on linux with regular nrpe your first bet would be the start tailing the syslog or messages file.
Im trying to check windows event log for the past 12 hours or 8hrs by using checkeventlog command and im getting random results with this command. Various system related checks, such as cpu load, process state, service state memory usage and pdh counters. Well, the first command is the old normal check command when every time you run the check the entire event log is scanned which means if you have a few hundred thousand items it will quickly use up a lot of resources. Hpi logbook check vehicle check, car history check, uk. System and network monitoring, 2nd edition is a great starting point for configuring and using nagios in your own environment. Monitoring of host resources processor load, disk usage, system logs on a. What does check log file for more information mean to you. It is because nrpe module is not enable in the nsclient services. File for checking log files and various other forms of updating text files. If i look at the event log, though, i dont see any dcom errors. On a certain target, i am trying to monitor my var log auth. I had in i under external scripts the line code, 1 line but apparently the perl bit. I also see other errors i should have been notified of, but wasnt. They hope these examples will help you to get a better understanding of the linux system and that you feel encouraged to.
Everything works perfectly fine except for one new check im trying to use. Create a log file for nrpe open source monitoring addict. Nov 09, 2017 it is because nrpe module is not enable in the nsclient services. Should i combine temp, voltage, tx and rx into the same perf data or create a new check for each type of value. The format to for the datetime part of the log entry written to file. Initiating the log check and transporting the result back to nagios.
Log server builds on proven, enterpriselevel open source architecture to deliver a superior log monitor and analysis solution to meet any of your organizations unique needs. Hi to all, i want to ask for help regarding nagios core 4. This validates that the logbook belongs to the vehicle being looked at and that all the details included in it. I will say yes why not but it will be a good idea to create a logfile for nrpe. Returns warning or critical if file is older than specified minutes. Logbook checker is an application for australian truck drivers which allow them to check their driver work diary to make sure it complies with legal requirements. A windows utility called nsclient is also available to accomplish the same thing on windows hosts. Please check and include this information before you submit questions andor bug reports.
Maximum file size when file size reaches this it will be truncated to 50% if set to 0 default truncation will be disabled max size 2048000 save the ini file and restart the nsclient service. In this post well see how to create a specific log file for nrpe. They hope these examples will help you to get a better understanding of the linux system and that you feel encouraged to try out things on your own. I was running it against the application log yesterday and getting lots of responsesand again for things i. Unzip the file and copy the folder to remote windows server and. So if you wanted to look for multiple events i would just create multiple aliases in the i file on the server. If you have additional questions or other support related questions, please visit. Nrpe havent got its own log file and writes its events in varlogmessages. Popular free alternatives to nagios log server for linux, windows, mac, web, selfhosted and more. I was running it against the application log yesterday and getting lots of responsesand again for things i didnt see. Except of course, when there have been additional matching entries added to the log since the last check.
185 663 1104 1518 687 1099 1548 1191 276 218 1245 1348 666 555 613 926 551 672 1457 21 828 577 1366 283 1259 618 1041 261 909 861 476 229 1476 1038 1408 574