Distributed Server Monitoring Software
Jun 25, 2007
I'm looking into setting up a server-monitoring network: small globally distributed VPS servers all monitoring another main server (currently, just one server - but I would like it to be scalable).
When it notices it can't connect to a particular service, it should check to see if the other monitoring stations also can't connect - then a "master server" should send out an email + sms alert to the designated person for that server if all servers cannot connect.
Does such an open source piece of software exist? Or do I have to start writing my own...?
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May 4, 2007
i'm using RHEL 4, apache 1.3.37, php 4.4.6 and xcache 1.20. Now i'm looking into memcached and running it on more than one computer. So i got few questions:
1) Is it smart to run web/db on one server with 64mb memcached and remote box which is around 150ms from web/db with 2gb of allocated memory for memcached?
2) I saw if I want to use memcached i need to load in php memcache also. Since I already got xcache, will those two produce any products if they will work simultaneously.
I mostly need memcached to save mysql queries, and i'm happy how xcache caches dynamic pages.
I hope somebody here is using memcached. QPS are around 95.
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Mar 27, 2009
I intend to store and serve files that is around 1-200mb from servers that is physically separate. I wish to store 2 or 3 copies of each file as a redundancy solution. When the file is requested I want to serve a direct downloadable link to the file. I am looking for logic to distribute load, and to detect if a server is down. I also whish to redistribute the files if a server is taken out of the pool..
Is there any open/free systems for this I can use?
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Apr 9, 2008
The company that I work for is looking to buy a SAN to use as a storage backbone and for VM's and as part of our distributed disk infrastructure. Since cost is an issue, we are looking at IScsi running on a gig network. We have looked at DellMD3000i, and IBM DS300s anybody have any experience with either. Any pros/cons. Also any other hardware recommendations in a similar cost.
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Jan 10, 2009
if you have a dedicated server, is it possible to let anyone become part of your dedi server using a software d/l?
eg: You put an app on your site for users to download,users download and run it, so now their internet connections become part of ur dedicated server, so when people access ur website, some data is downloaded from ur dedi server, and some data and cpu usage is used from the user's net connections who downloaded and are running the app.
Any commercial/open source software like this that lets website visitors become part of ur server?
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May 16, 2007
We've been seeing sluggish performance on our mail gateways, and so I started doing some digging in the logs. It looks like we are filling up with messages like:
2007-05-16 12:22:16 Connection from [xx.xx.xx.xx] refused: too many connections
We have our max connections set to 20 (total, not host-specific) in exim4. So I started tailing the logs, and sure enough, we are getting bombarded with requests to randomstring@ourdomain.com coming from all over the map. The requests are getting denied of course, but that doesn't help the connection issue since they are consuming all of them, preventing real mail (for the most part) from getting through.
What is the proper way to deal with something like this? I could certainly just up the max connections value from 20 to 40 or 50 or whatever, but I'm not sure what kind of performance impact that will have on the rest of the traffic going through our gateways.
Since the spam attempts are coming from all over the place, it doesn't seem like I can just firewall out a few addresses and be done with it.
This particular rack is a cluster of web and database servers behind two gateway boxes, which handle the mail traffic (so this problem is on the gateways, the actual mail server itself sits behind the gateways and never actually sees these fake emails).
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Mar 29, 2009
Does anyone know any good system for monitoring if a server is online?
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Apr 25, 2009
Anyone know a good Server Monitoring Software that runs on Windows Server 2003?
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May 26, 2008
been using webserverguard.com to monitor my server which has been great because its free. Thinking of upgrading to a paid service and wondered what the good cheap options were?
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Jul 16, 2008
how can i find out who is using up all the resources of 1 of my server, i am running CENTOS Enterprise 5.2 i686 on standard - WHM X v3.1.0, i have around 180 web site currently on this server and i would like to move my customer how need more power.
or limit my customers to 10% of the server resources for no longer than 10min.
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Nov 28, 2007
we have a large number of dell server like Pe 850-860, Sc1425-1435, Pe1850-1950, we are try to find a solution to monitor the server hardware like raid status, fan, ram, controller etc, we have try to use ITassistant but seem that work only with server with Drac card or we should install on each box OMSA, so i would know what different solution can we use.
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Aug 14, 2007
I am running windows 2003 on my web server and I am hosting a program which I have users accessing all day. I was wondering a way that I could monitor who accesses the server and how many times daily. They already access the server with a username and password
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May 31, 2009
can you recommend me any good application for linux server monitoring? I need CPU usage, HDD usage, RAM, etc...
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Nov 5, 2009
Any programs you recommend for monitoring? I am looking for something to add to keep an eye on my servers in addition to the third party services I am already using. Does not matter if it is linux or windows based.
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Mar 27, 2009
Who would you suggest to hire for simple uptime and service monitoring?
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Jan 28, 2009
My company has been having some issues with our email periodically but our host provides no help other than a graph showing the amount of daily relays.
Does anyone know of a good email server montior or diagnostic solution that works with MailEnable? Preferably something free or cheap.
I basically want to be able to get in and see what emails were sent and received from who and the IPs if possible. I don't care about seeing the content of peoples emails but just a report similar to a telephone bill would surely help.
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Sep 21, 2008
What's the best Server Monitoring Software for a VPS? I have ben getting random DB errors and would like to track what exactly is going on.
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Apr 24, 2008
I have about 40 servers that I'd like to stream stats to a windows computer (preferably a software based solution). It is a combination of linux and windows but I'd like to have as much stats as possible like loads, space, cpu usage, bandwidth usage, etc.
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Aug 17, 2008
My dedicated server is sometimes sluggishly slow. I would like to get a grasp of its performance during a day, to get a better understanding of what's going on.
Therefore I am looking for a server performance monitoring service. All service I found so far were simply monitoring uptime (server is down / server is up). I need something more - a service that checks every 30 seconds or so the loading time of the main page.
Then it would allow me to download the data in CSV or draw a response time graph.
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Nov 17, 2008
any1 know a free and good script (prefer php) for monitoring server such as http, ftp, smtp?
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May 24, 2007
alternative to OMSA to monitor dell server, for now i would monitor only raid status on Pe 860-1850-195
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May 19, 2007
I'm thinking of purchasing a server that will monitor about 50 different servers using Nagios. It would probably just run Apache and nothing else but i was wondering if anyone has experience setting up a Nagios server just for monitoring other boxes on a network.
I'm wondeirng if this can be done. I will be monitoring a few customer servers but would like to give those customers access to Nagios and access only to their servers and nobody elses. Is there a way to setup Nagios so certain users can view their own boxes and nobody elses? Probaby setting up some type of group configuration. What about alerts? If a customers box goes down they would need to be alerted. Does Nagios allow those users to receive alerts specific to their boxes.
Not even sure how powerful the server should be. Probably a Celery or something a bit more powerful should do.
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May 26, 2007
i have servers in the UK, USA and also Netherlands and Asia
Can you guys recommend a good server monitoring software program that can work with more than 1 server in different DC's
or does any one have a script that they wouldnt mind sharing/selling that can monitor and alert me on
standard ports ie
web
ftp
mail
mysql
and also Cpanel and WHM ports
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Oct 15, 2007
how do you monitor the server CPU load?
Is there a script or package that you can recommend? I am looking at htop currently and want to know other alternative out there.
End of the day, I will like to have a stats that shows the sample of the server CPU load, maybe sampled over 5mins interval.
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Jan 16, 2007
i have set up an apache server on the redhat CentOS 4.2.my apache server is running very slow. will u pls tell me which parameters do i need to check for this problem? which parameters do we check for monitering the apache server?
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Jun 6, 2007
We currently have around 45 VPS clients and dedicated servers, We are looking for a script that can be seen from the internet but requires a login, It will notify us when a server goes down or a service goes down. It will also keep track of the Bandwidth usage, etc. We can set custom names and add servers to monitor.
Is there anything like this or a Big VPS hosting company is using?
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Jan 2, 2007
I am getting ready to purchase my own server and I need some server monitoring software.
What do you all recommend for server monitoring software?
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Jun 17, 2008
What do you guys use for server monitoring?
I have been looking to find a good solution to notify me when either of my 3 servers go down. Preferably by SMS.
I have been trying [url].
But it seems to have a massive delay. from 1 hour, to 6 hours.
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Jul 11, 2008
which company is the most reliable when it comes to server monitoring with SMS notifications.
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May 22, 2008
Can you please tell me any free server/ services monitoring tools available.
I would prefer third party services rather than installing something on the servers unless its the only option
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