Networks – Page 2

Tuning nf_conntrack

In this article I will give an example of optimizing the parameters of nf_conntrack for a high-loaded NAT server.

List of network protocols and ports

I will give a small list of some popular network protocols, the ports that they use and their brief description:

How to add DKIM record

In this article I will give an example of generating keys and adding DKIM records.

How to buy and setup a domain

You can buy a domain and hosting from a domain name registrar, for example godaddy.com

After the purchase you will need to configure the DNS settings in the control panel on the site where it is registered.

Installing and using the Wondershaper

WonderShaper is software for Linux that allows you to limit the speed of data transmission and reception on network interfaces, suitable for home or office computers.

List of network and network equipment emulators

I will give a short list of popular network emulators and network equipment:

Installing and using ifstat on Linux

ifstat is a program for collecting statistics on network interface load.

Installing Quagga on Ubuntu Server 18

I will give an example of installing Quagga in Ubuntu Server 18.04 (bionic).

Monitoring current RX and TX network interface buffers in Zabbix

One day after restarting the Ubuntu server, due to the long start of a large number of network interfaces, my script which increased the values of the buffers and also performed other settings was performed ahead of time, respectively, the changes did not apply and I found out about this problem only after 24 hours, so I decided monitor current RX and TX buffers.

Category Archives: Networks