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3

Basically, they are all the same, in the way they all permit to log data from different types of systems in a central repository. But they are three different project, each project trying to improve the previous one with more reliability and functionnalities. The Syslog project was the very first project. It started in 1980. It is the root project to ...


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Have you also checked all other files inside /etc/rsyslog.d/ ? /var/log is the default log folder for many other applications that don't necessarily depend on rsyslog. Apache for example doesn't use rsyslog so you'll have to change the config file of every application that writes to /var/log. lsof +D /var/log/ will give you all processes that have open ...


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Have you tried checking to see if the gem is actually installed? gem list If it isn't installed, that's probably the problem. If you are in the same directory as your Gemfile, then you should be able to just use: bundle update If that doesn't work, then you can manually install it. Install information can be found here gem install tzinfo gem ...


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these are 3 different kind of log managers : it enables your system to collect filter, and transmit/store logs. Syslog (daemon also named sysklogd) is the default LM in common Linux distributions. Light but not very flexible, you can redirect log flux sorted by facility and severity to files and over network (TCP, UDP). rsyslog is an "advanced" version of ...


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You can now do this http://nginx.org/en/docs/http/ngx_http_log_module.html The if parameter (1.7.0) enables conditional logging. A request will not be logged if the condition evaluates to “0” or an empty string map $request_uri $loggable { / 0; /healthcheck.html 0; default 1; } server { ... access_log /var/log/nginx/access.log combined ...


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Looks like a simple monitoring system, especially with the fixed 30 sec interval.


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I doubt that the HEAD requests are related to your reduced pageviews. Like @mschuett said, it looks like a monitoring system of some kind is paging your server every 30 seconds to check that it is responding. That request requires very few resources so it's a good one for basically pinging the server and making sure the http service is responding. It ...


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When I do similar things in AWS or similar clouds, I use autofs to mount the log directories. That means that the log directories are mounted on a demand-driven basis, ie not until needed and unmounted shortly thereafter. It also means that access to a directory that maps to a down server involves a short wait before an empty directory is returned, instead ...



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