Below I will describe how pptpd is installed and configured. On the test I will install in Ubuntu Server 18.04.Continue reading “Installing and configuring PPTPd server”
On the test, I will install the fprobe sensor, which will collect statistics from network interfaces and transmit it to the collector.Continue reading “Installing and configuring fprobe”
In this article, I will give an example of installing and running the Speedtest CLI.Continue reading “Installing and using Speedtest CLI”
Once, when running the Speedtest CLI on one Linux server, I noticed the following error:Continue reading “Solution for Speedtest CLI error “Failed to find a working test server””
I will give an example of installing or updating ixgbe drivers on Linux.Continue reading “Installing and updating the ixgbe driver”
hping is a free packet generator and analyzer, well suited for testing the security of network devices.Continue reading “Installing and using hping”
I will give an example of the distribution of interrupt network interfaces on the processor cores.
For example, I’ll take a server with accel-ppp, 6Gb/s traffic, 500K + pps, nat with ipoe and 6000 dchp clients.
Also, be sure to disable hyper-threading in the BIOS, since load balancing on virtual cores can greatly increase the load on some physical cores.
I will give an example of viewing on which NUMA node the network interfaces are located in Linux.Continue reading “How to find out on which NUMA node network interfaces”
NetHogs is a network monitoring tool.Continue reading “Installing and Using NetHogs on Linux”
Link aggregation is a technology that allows you to combine several physical channels into one logical channel, which increases the bandwidth and reliability of the channel.Continue reading “LACP. Configuring Link Aggregation on D-Link Switches”