As we all know a basic install of any OS is never tweaked out for performance but setup for general use. One of the biggest problems in the Linux (CentOS, Ubuntu, Fedora, I have not tested other OS’s) is the network is never really tweaked up.
However running a few simple commands and updating a single file can produce a massive increase in performance.
** Please note that there are other issues that can cause poor performance **
Example Bad Network Cable, Cheap Switch, Overloaded Router, and others.
Run the following commands from the prompt:
mv /etc/sysctl.conf sysctl.bak
cd /etc
wget http://www.mariusv.com/x/sysctl.conf
/sbin/sysctl -p
/sbin/sysctl -w net.ipv4.route.flush=1
You should see a performance increase right away. Please let me know if this helps you out or not.
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