op5 community is growing and this scripts and definitions comes from Mikael Schmidt, IXX. I will do a step-by-step guide to get it running, if you have any questions do not hesitate to contact me peter@it-slav.net or write a comment to this blog. This description is op5 Statistics centric, however op5 Statistics is based on […]
This guide describe howto install and do a basic configure of SNMP on a RedHat Enterprise Linux or CentOS. Probably it will work on many other *nix systems. 1. Installation Run command yum install net-snmp-utils [root@dull etc]# yum install net-snmp-utils Loading "fastestmirror" plugin Loading "dellsysidplugin" plugin … … Dependencies Resolved ============================================================================= Package Arch Version Repository […]
If you think Nagios got everything you need except nice reports. op5 Monitor has the solution to this issue. op5 have customers that are using op5 Monitor just for the reporting part and using other tools for monitoring. op5 has put alot of resources into reporting because that is the feedback we got from our […]
If you have problem of keeping track of your video collection. I can recommend VideoDB. It is web based and you enter the name of the movie you want add and VideoDB connects to IMDB and suggest which movie you meant. When you have picked the correct movie it automatically adds thumbnail, plot and the […]
Maybe it is a unix/linux sysadmins basic knowledge how to create ssh keypairs and exchange them. Well I do not do it often enough to remember it but often enough to be irritated that I do not remember how to do it. So here is an excellent description, I will study it and cross my […]
When I updated my CentOS system and could not mount XFS file system and my op5 Monitor did not react. I even run check_disk on these mount points but op5 Monitor did not tell me that anything was wrong. So when I managed to get the system to boot and my monitoring system tell me […]
Yesterday new CentOS kernels was released and could be updated with yum update. I did that on 3 systems and none of them worked afterwards. The first system is the machine that runs this blog. It runs Xen kernel with two virtual system.Luckily the webserver and database runs in Dom0. After update the system did […]
This is real fun. I found another It-Slav with a blog “En it-slav i samhällets tjänst“. He seems to been blogging since 2006 and likes food. Thanks once again for copying a winner. For reference see my other blog about Copy Cat.
If you want to test that your Email system is working as supposed with op5 Monitor or Nagios, i.e. send and recieve emails. I recommend Email Delivery. Features: SMTP TLS SMTP IMAP IMAPS and much more… It simply creates an email and send it through an email system and check that the message is delivered. […]
After succefully get your 1-wire bus working with OWFS and been able to read the temperatures, it is time to create some nice graphs. The red line is the temperature and the blue is the sliding avarage temperature the last 24 hours. I’m using RRDTools to store the data and create the graphs. If you […]
