good console bases sys monitors

[Rajinder Yadav]

i know some of those tools, not an avid user of them, will read up.

as for rebooting or restarting errant process, i was thinking of this in 
terms of my own web-server hosting setup, in particular my own rails 
apps, since i would be logging error, i would know what was causing any 
kind of abnormal memory, cpu, network load, it would be a stop gap 
solution till the real issue was rectified in the code or through load 
balancing, etc.

i heard a talk from the reddit founder talking about fail often, crash 
early and they were using some of this monitoring techniques, it was 
interesting and something to mull over for sure =)

thanks,
Rajinder



On 10-08-01 08:19 AM, aaron d wrote:
> iftop, iostat,  vmstat, free, df ? they aren't monitors in the sense 
> that you are talking in the second half of your question (i.e. they 
> don't take action, they simply tell you what is going on). In my 
> experience with monitoring systems, you generally would not want 
> something just killing off random PIDs at it's own discretion, let 
> alone REBOOTING because of a memory leak. We never reboot :) Usually 
> you would want to receive some form of alert so that you can use these 
> tools to investigate the issue and possibly take steps to keep it from 
> happening over and over again. However there may be a time when you 
> just want to kill a notoriously bad process (google chrome anyone?) if 
> it gets out of hand.
>
> conky (http://conky.sourceforge.net/) is not a console-based monitor, 
> but is very nice, and of course if you are monitoring remotely you 
> could always forward X to your local machine.
>
> -aaron
>
> On Sat, Jul 31, 2010 at 6:01 PM, Rajinder Yadav <devguy.ca 
> <http://devguy.ca>@gmail.com <http://gmail.com>> wrote:
>
>     Other than top, that's as far as my linux-fu gets me =P, what
>     other console based monitors are you guys using that has low cpu
>     load for things like:
>
>     network activity, file activity, storage space, low memory
>
>     if the system is overloaded, i'm memory leaks, errant process is
>     there a monitor that will force the server to reboot? i am asking
>     more for an education purpose and not any kind of immediate use
>
>     Thanks,
>     Rajinder
>     --
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