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Munin + Nagios
I want to monitor my VPS's and websites which are on shared hosting with Munin. Is this even possible, and what kind of VPS do i need for that? Like RAM and such? And could you do some recommendations? It must be in the EU. Budget: as low as possible!
Thanks 
Comments
Try XENVZ http://www.lowendbox.com/blog/xenvz-1-30-128mb-xen-vps-in-uk/
Its the best
For munin, you can even do 128MB or even 96MB but you need more disk (say at least 3-5GB depending on how many nodes you want to monitor) because with time, the logs and data will grow and would need more space to fill in
I am monitoring 7+nodes with munin using just 128MB ram and 5GB disk, works fine
Indeed, we use Munin for this. So far it's the best and easiest monitoring package I've found.
I use munin on all my servers. The main munin server currently resides on a 64mb/64mb xen from inceptionhosting, and all the monitired servers (10 i think) are all less than 192mb ovz and xen mixed).
This is my main webserver:
And this is the munin server:
I however don't know if you can monitor shared hosting since you need to install a munin-node module...
Thank you @birdie25 for the markdown help.. I really prefer the dokuwiki syntax over markdown...
You need to use HTML image code,
http://pastebin.com/A8mqv7Ef
@Raymii: It's nice to know i'm not the only person who gets those weird stripes in the uptime graphs
@Damian mind to share the graphs? It seems it sometimes has a bit of packet loss, it then gives those stripes yes...
I want to have my own uptime/availability monitor, but I think munin is a little bit too complicated for my needs. Just to monitor if it's up or not. And e-mail me when it's not up. What can i use, or can i do the same with munin?
That's not really Munin's forte, munin is better at tracking data over time to develop trends.
Pingdom.com will do this for you. They have a "free" monitoring level, too.
I made a script a while ago, it was a php script with cron
For experience I want to run it in my own environment, and I want to monitor several servers and sites, so Pingdom isn't going to cut it.
Yep. Just use this... I think they give you 50 checks and it's free.
But, is there anything I can run myself?
http://code.google.com/p/vps-email-status/
old code, if you want the new one, PM me. fully customizable to check ports, too.
@birdie25 Check out Nagios
PM sent.
I have been fiddling with Nagios for a while now, and I was wondering if there is a way to display the current servers with their ONLINE or OFFLINE status. Just parsing the CGI.
It that possible?
You can also use openstatus, from @nickm