The problem How to have IPv6 subnetting on a non-flat network at home when you are receiving a dynamic IPv6 prefix via DHCP6-PD (prefix delegation) via an
Author: v13
Using TCP-LP with pycurl in Python
Intro TCP-LP (low priority) is a TCP congestion control algorithm that is meant to be used by TCP connections that don’t want to compete with
Running an NTP server in a VM using KVM
The setup Having physical server pA, running VMs using KVM. One of theVMs (vA) acts as an NTP server. pA gets the time from vA
Debian packaging for python2 and python3 at the same time
The problem The scenario was like this: Python code that provides a library and a binary The code is compatible with both Python v2 and
Multiple relay configuration based on sender address with sendmail
One of the needs that came up was to be able to use separate relay configurations based on the sender email address, using sendmail. The
OpenVPN and remote-cert-tls server
This required a bit of digging into OpenVPN’s and OpenSSL’s code to figure out. The problem This error: Thu Sep 11 00:12:05 2014 Validating certificate