My laptop and cellular phone has both Bluetooth and it has annoyed me for a while that I have not managed to get a working Internet connection using Bluetooth. I have only managed to get it working with a USB cable between my phone and laptop.
After some Google search and reading of man pages I finally [...]
After the problems I have had with Bredband2, I want to test Phonzo.se as a new VoIP provider.
I registered on their homepage and after a couple of days I got a snail mail with my credentials.
I configured my FreePBX and calling in worked directly, but not outgoing. After 2 hours of troubleshooting I started to google "phonzo asterisk" and found several [...]
Background
I was reading the Swedish computer magazine, Tech World. There was an article about an appliance solution that could give a report about unused switch ports. The box PortIQ from Infoblox costs approximatly 10.000 Euro.
op5 has developed this feature at a customer site and is included with op5 Monitor, op5 has published the code as opensource.
This [...]
Background
This article will describe how easy it is to integrate other tools to Nagios or op5 Monitor. I will use an example with a webshop where a business view of how the webshop is doing is implemented by using a GPL’d rule engine, NodeBrain. I have in an earlier article described the ruleset for this implementation [...]
Many people have received their 4.6 CDs in the mail by now, and we
really don’t want them to be without the full package repository.
————————————————————————
- OpenBSD 4.6 RELEASED ————————————————-
Oct 18, 2009.
We are pleased to announce the official release of OpenBSD 4.6.
This is our 26th release on CD-ROM (and 27th via FTP). We remain
proud of OpenBSD’s [...]
Background
When I worked as a Tivoli Consultant I spend a lot of time investigating the customer processes and workflow and try to make the monitoring solution to support this. It was often long term projects and involved alot of people like, project managers, support staff, maintenance staff, application owners, applicataion engineers, operating systemens managers, DBAs and [...]
In RedHat, CentOs and Suse and probaly other Linux distributions, the way of enabling and disabling a service at reboot is by using chkconfig. In ubuntu, the way of turning on and off a services at boot is by using update-rc.d. It changes the links for the init scripts.
To start a script in [...]
op5 AB is a world leading OSM – Open Source Management – company that delivers software based on open source for control of IT systems and networks. The award winning op5 Monitor is now released with important enhancements that will enable customers and other vendors to further improve usability and integration for optimized IT monitoring. [...]
Next week, op5 will release the new Nagios GUI called Ninja. The license is GPL and several people has reported the GUI work perfectly well on vanilla Nagios. Ninja uses a database backend. Merlin, another op5 developed software feeds the Nagios information into the database.
Links:
op5 -OpenSource based management software company
Ninja- Nagios Is Now Just Awesome
Merlin [...]
Background
This article is describing best practice I have collected after a 10 year period with Systems- and Network management. My role has varied between consultant, trainer, systems engineer, project manager and architect.
Very many programs creates log files. They are great for trouble shooting and in some cases the only place to find out if there [...]
Background
As a former Novell employee there is one software I really miss and that is iFolder. It is an excellent file syncronization software. You configure iFolder where your local iFolder files are located and what server to syncronize against. Do a sync and now they are avilable at any iFolder instance if you sync against [...]
Background
I use MythTV quite frequently and noticed that it is instable when using sasc-ng as a decoder to decrypt encrypted DVB-T channels. So approximatly every third day the MythTVbackend server stops and need to be started again. I have wriiten an earlier article about howto monitor MythTV with Nagios or op5 Monitor so I get [...]
Background
This article describes how to monitor an IPSEC tunnel running on OpenBSD. I could not find any plugin already done so I created my own.
The pre req. for this article are:
A working Nagios or op5 Monitor setup
A IPsec VPN tunnel running on OpenBSD
A working NRPE agent at the OpenBSD box
Background
This article describe howto use a USB camera (also known as webcam) to detect motions and send an alarm to Nagios or op5 Monitor. It can be used in datacenters to send an alert if someone or something is moving or at home to detect if someone is in your house. I will place the [...]
When using a database that are business critical it can be a good idea to monitor the internals. This article describe how-to monitor MySql with Nagios or op5 Monitor. In these case it runs a MythTV system but it could be almost anything.
Pre requirements
The pre requriements for this article is a working Nagios or op5 [...]
There are several ways of monitor a wordpress blog by using Nagios or op5 Monitor.
Wordpress uses the following parts to work:
Webserver frontend
PHP scripts
MySQL database backend
At least one system to run it on
I found one article describing howto monitor the Webserver and the MySQL database and even that a certain webpage contain a certain phrase. But [...]
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 15 minutes.
When using [...]
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 here
Nagios or op5 [...]
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 [...]
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 ssh2
Feb 9 20:15:51 pedro [...]
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 installed and are no longer required:
libmpich1.0gf libdc1394-22 genisoimage [...]
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 frontend.
To [...]
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 but it [...]
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 [...]
