Questions tagged [realtime]

42 questions
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ossec realtime file monitoring only reports on first change but fullow up changes are only reported by scheduled follow up scans

we currently have some ossec agents running on windows and real time monitoring for files activated - with the following configuration on the agent site:
dalini
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What is the best way to sync 2 identical centos servers in real time

I am operating a centos linux server(A) and I want to create a realtime backup server(B) so whenever server A goes down server B(after the failover kicks in) will take over. I already solved the failover thing(tip: I used Cloudflare) and I am…
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Is the Ejabberd default DB suited for large cluster deployments?

Im setting up a cluster of Ejabberd nodes to to host 1M+ active connections. Is the internal Mnesia database on every cluster the best solution in terms of reliability and load balancing, or would it be better to use an external DB on a seperate…
Andres Canella
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Real-time chat with +1M users distributed backend solution on AWS

I Need to deploy a backend solution for a mass messaging iPhone app. Based on coverage previous apps we have deployed it is safe to assume we will get over 1 million signups in the first week and that could grow rapidly. I am interested in…
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What framework is good for delivering data that is commonly changed in a few second and is assessed by lots of people (similar to stock quote)?

I am only familiar with php and javascript and I guess php is not good at serving large amount of concurrent request. I would be grateful if someone can introduce me to more appropriate framework for that, as I don't really know the keyword to…
StCee
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How to see an application network protocol communication in real time

I would like to see the protocol used by client-server application in real-time. I'm not interested in any statistics. All I want to see is the message sent by server and the client. This is FreeBSD specific if that helps.After some googling I found…
Srikanth
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Synchronization concerns regarding MQTT and InfluxDB

I'm trying to implement mosquitto broker with InfluxDB. My concern is that the data won't be stored properly, because InfluxDB is a "real-time" database and the MQTT protocol is asynchronous. So the values might be stored in the incorrect order. Are…
Rui Lima
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How to bind static affinity for *all* Linux processes at startup?

I have one single-threaded process on server that I'd like to statically bind to one CPU core and give it all available computing power all the time (it's real-time process that is heavily affected by insufficient resources). Unfortunately machine…
Lapsio
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Setting nice value of all user processes in realtime based on his CPU usage

In order to balance users CPU consumption on a shared computing server, I would think it very useful if one could: set the nice level for all processes of a user furthermore, adapt this level in realtime furthermore, adapt this level not only to…
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Installting Real time kernel on RHEL 6.3

I want to install Realtime kernel on Redhat 6.3 but its asking so many dependencies packages. I am not connected to RHN. Please help
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Real-time monitoring script for apache with only specific fields listed

I am real-time monitoring my website log, but would like to create a script that shows only the following in nice pretty columns. log being used: /var/log/httpd/access_log (default log file and settings) Host Name - IP Address - Page - Date &…
user157574
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What are some options for acquiring a free realtime Linux distribution?

By realtime I mean something that can help with fast network I/O; Low-latency and high-throughput.
JohnPristine
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