Background My blog that uses MySQL as the database backend suddenly got real performance issues. The symptoms where: All my Nagios test failed from time to time with NRPE timeout The performence of my dynamic webpages was terrible slow. The load on the system showed very heavy load, more then 10 for 1, 5, and […]
This article describe howto get a 1-wire humidity probe to work with Nagios or op5 Monitor. In an earlier article I have described a 1-wire temperature plugin. Pre requriments To get it working you need: 1-wire humidity probe i.e. this, it is based on DS2438 & HIH-4000 A working owfs installation, instructions can be found […]
This article describe howto monitor an Asterisk server with Nagios or op5 Monitor. Pre-req to get it running is a working Nagios or op5 Monitor installation and an Asterisk 🙂 Theory In my implementation of Asterisk I have a couple of softphones, 2 hardphones and connections to two SIP providers. I want to monitor the […]
My firewall get alot of failed ssh logins. This is a typical log message in /var/log/authlog Feb 9 20:15:49 pedro sshd[30934]: Failed password for root from 67.205.85.119 port 35603 ssh2 Feb 9 20:15:49 pedro sshd[2656]: Received disconnect from 67.205.85.119: 11: Bye Bye Feb 9 20:15:51 pedro sshd[15299]: Failed password for root from 67.205.85.119 port 35753 […]
This guide describe howto install and configure SNMP on Ubuntu. In an earlier article I have described howto set it up on RHES or CentOS, it is slightly different in Ubuntu. 1.Installation root@ibsen:~# sudo apt-get install snmpd Reading package lists… Done Building dependency tree Reading state information… Done The following packages were automatically […]
At my home the most critical system is the MythTV system and a MythTV downtime will create a revolt at home. This article will describe howto make sure that a MythTV backend can be surveillanced with Nagios or op5 Monitor. I have in earlier articles described howto install and configure both the backend and the […]
I have a modern laptop with 4Gb memory so in theory I should gain from running 64 bit Linux. I installed Ubuntu 8.10 Desktop x86_64 and had som problems with: Java based webpages Flash I spend several hours with google and tested several versions av java and flash plugins. I managed to get flash running […]
op5 are proud to announce that op5 have released op5 Logserver 3.3.0 This is a minor upgrade. Whats new? Summary Reports Bidirectional editing of filters Hierarchical filters Configurable deafult filter per user Bugfixes Read more about it in the release-notes and changelog
I have hinted about automysqlbackup in an earlier blog. Of course an important script like this should be monitored by Nagios or op5 Monitor. In my opinion the correct way of doing this is using a passive check that sends in the result of the backup into Nagios or op5 Monitor. The backup script is […]
In some cases the "Normal" way of running checks does not work, passive checks might do the job. I have a script the runs every night that backup my MySQL database. If this script fails I would like op5 Monitor or Nagios to send a notification. An active check will not work in this case […]
