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Configure An Email Gateway With Scrollout F1 Anti-Spam & DLP

falko's picture

An email gateway (a.k.a. firewall) is a machine (physical or virtual) installed between Internet and the email server. Its primary role is to protect the email server by filtering incoming messages, via SMTP protocol, from Internet. Secondary, an email gateway may be used as an outgoing gateway in case you want to add some new email features which are not provided by older email servers. For instance, Exchange 2000 or 2003 has no DKIM signing and verification service – a quality improvement for message delivery. This tutorial shows how to configure an email gateway with the Scrollout F1 email gateway.

How To Benchmark Your System (CPU, File IO, MySQL) With sysbench

falko's picture

sysbench is a benchmark suite which allows you to quickly get an impression about system performance which is important if you plan to run a database under intensive load. This article explains how to benchmark your CPU, file IO, and MySQL performance with sysbench.

OpenVZ: Mounting Host Devices/Partitions/Directories In A Container With Bind Mounts (Debian/Ubuntu)

falko's picture

Sometimes you are in a situation where you need to mount a hard drive, partiiton or directory from the OpenVZ host inside an OpenVZ container - for example, you add a fast SSD to the host and want to put your container's MySQL databases on it to make MySQL faster. This tutorial explains how you can mount host devices/partitions/directories in an OpenVZ container with bind mounts.

DebConf makes in-roads in Central America

IntnsRed's picture


The Debian Project
DebConf makes in-roads in Central America
July 16th, 2012

This year's DebConf in Managua took Debian to a new part of the world which is too little visited by major Free Software events, allowing the project to reach out to new contributors and learn new perspectives, as well as to continue its hard work towards the next stable release of Debian.

The conference brought together around 200 attendees from 32 countries, and helped many people make their first steps in contributing to Debian, including a large number of enthusiastic new volunteers from countries in Central America.

98 talks were given, with highlights including:

* EFI boot methodology [1]
* XCP, OpenStack, Debian and the Cloud [2]
* FreedomBox Update [3]
* Beginners Spanish [4]

How To Take Screenshots Of VirtualBox VMs

falko's picture

VirtualBox is a great virtualization solution, however if lacks one big feature: the ability to take screenshots of a virtual machine. Of course, you can use the host operating system's print screen feature, but this wil ltake a picture of the whole workspace, including window decorations, etc. which you will have to remove in your iage editing software which is a tedious task. This tutorial describes how you can create a little script that automatically takes a screenshot of a VirtualBox VM when you click on it; it makes use of the VirtualBox command line tool VBoxManage.


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