Sat 18 November 2017

Filed under Networking

Tags networking

Preface

With a bunch of servers, it's necessary that they're named in a consistent manner. This article describes how the machines should be named.

Basic rule

A machine name should consist of the following three parts:

  • a unique identifier for the machine (Romaji of Japanese words in one Kanji, examples …
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Wed 15 November 2017

Filed under Networking

Tags networking gre mpls iproute2

Preface

MPLS can be used for prioritizing traffic, which will be used in JSteward Tech's routing policy. This article works out how to label packets with MPLS and switch according to packets between two host connected by a GRE tunnel.

Before you start

Full MPLS support wasn't present in Linux …

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Sat 11 November 2017

Filed under Networking

Tags networking infrastructure

Preface

As the number of machines I manage increase gradually, it has become a necessity to connect the machines together through secure, reliable tunnels, thus forming an internal network. A private network can have the following advantages:

  • Ease of configuring services that involve multiple machines, such as a databases and …
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Fri 10 November 2017

Filed under Networking

Tags networking gentoo

Preface

On a machine with native IPv6 that's working quite well (e.g. CERNET2), it's usually desirable to set the host's default IPv6 route to go through native IPv6. Yet the cheap /48 address block offered by HE Tunnelbroker can be useful if one wishes to assign IPv6 addresses through …

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Thu 07 September 2017

Filed under Gentoo

Tags system gentoo freebsd

Preface

Now that we have successfully upgraded Gentoo FreeBSD from 9.1 to 10.3, we need to upgrade it to 11.0 in order to catch up the latest FreeBSD system. The major steps consist of the following:

  • Upgrading world
  • Changing to the new profile
  • Upgrade the kernel
  • Upgrade …
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