I believe that Centos buffers logs for many services (it might be the service itself, I don't know) and I want to make sure that when Apache sees an error it is written right away, the same with sshd,e tc.
to change it off the default 5 seconds, it should just be appending "rootflags=commit=3" or the like to the end of the kernel line. See, for example: http://blog.loxal.net/2008/01/tuning-ext3-for-performance-without.html
It’s 2016. Password authentication should be dead — or at least close to dying. But, unfortunately, it has not traversed Quagga stage yet. Using password authentication is like laundering hotel guest linens with a washboard — it’s Passé.
Join Greg Farro and Ethan Banks from Packet Pushers (http://packetpushers.net/podcast/podcasts/pq-show-93-smart-network-monitoring-paessler-sponsored/) and Greg Ross from Paessler (https://www.paessler.com/prtg) for a discussion about smart network …