Debian

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How to find out if your server is affected from Openssl Heartbleed vulnerability (CVE-2014-0160) and how to fix that

How to find out if your server is affected from Openssl Heartbleed vulnerability (CVE-2014-0160) and how to fix that

A severe vulnerability in OpenSSL has been found, the vulnerability is named Heartbleed and affects the heartbeat implementation in Openssl version 1.0.1 up to version 1.0.1f. This velnerability can be used to get the private key of a SSL connection, so it is important to update the server immediately. The bug is fixed in OpenSSL 1.0.1g. All Major Linux Distributions have release updates to the vulnerability.

Improve Spam abuse protection in dovecot by restricting access to mail accounts by IP address (e. g. with ISPConfig 3)

Improve Spam abuse protection in dovecot by restricting access to mail accounts by IP address (e. g. with ISPConfig 3)

This howto will show you how to add ip restrictions to single mail accounts when using dovecot with MySQL.

This is especially useful if you need to access a mail account from only one single ip or a few ips or if you want to block specific ip addresses from accessing the mail account (e. g. due to spam abuse).

How To Add PPP Kernel Support To OpenVZ Containers

How To Add PPP Kernel Support To OpenVZ Containers

If you are trying to build a VPN tunnel from within an OpenVZ container to some other system, you will most likely get the error message /usr/sbin/pppd: Sorry - this system lacks PPP kernel support. This tutorial explains how you can add PPP kernel support to your OpenVZ container so that you can start VPN connections from your container.

Data Recovery From Accidentally Deleted Files or Crashed Drives in Ubuntu

Data Recovery From Accidentally Deleted Files or Crashed Drives in Ubuntu

This tutorial will help you to recover data from accidentally deleted data from Linux-file systems. This is a very drastic mistake by any user/admin which costs for huge penalties. This script will be a boon for newbies/expert for data management. I will be using TestDisk for data-recovery. Here I have simplified the task with the help of a script.

Script for converting Outlook pst to Thunderbird/Evolution compatible format on Linux

Script for converting Outlook pst to Thunderbird/Evolution compatible format on Linux

This tutorial will show how to convert Outlook PST into Thunderbird/Evolution compatible SBD format. For this  I have created a script for the conversion format.This will work in Debian/Ubuntu/CentOS too!

Using mount --bind To Move The Website And Email Directory Of a ISPConfig 3 Server To a New Directory

Use mount --bind To Move The Website And Email Directory Of a ISPConfig 3 Server To a New Directory

In the following guide, I will explain the procedure on how to move the email and website directory of a ISPConfig 3 installation to a new partition. This might become handy when your current partition runs out of space.

Install Virtualbox 4.3.8 On a Debian 6 (Squeeze) Desktop

Install Virtualbox 4.3.8 On a Debian 6 (Squeeze) Desktop

In this tutorial I will show you to install the latest Virtualbox version in Debian 6 (Squeeze).

Install Bittorrent Sync on Debian / Ubuntu

Install Bittorrent Sync on Debian / Ubuntu

BitTorrent Sync is a new piece of software by BitTorrent Inc. - the original creator of the BitTorrent protocol. While most might be familiar with BitTorrent, only a few know of BitTorrent Sync. Normal .torrent files are static and once created they can't be altered anymore. BitTorrent Sync however allows updates to the data and syncs them to the peers. BitTorrent Sync is also available cross-plattform (Linux, Android, Windows, Mac OSX, iOS) and it has two distinctive operation modes. You can have a many-to-many synchronization meaning that every node can alter the content and have it synced to the other devices. Or you can have a one-to-many synchronization meaning that only the Master Node can alter data and this is then synced to all other nodes. Especially the one-to-many synchronization is of interested if you want to create backups and store them at multiple sites - using the power of BitTorrent swarms (meaning each nodes starts providing updates to other nodes as soon as they are received).

Install Horde 5 Webmail For ISPConfig On Debian Wheezy Through PEAR

Introduction

Horde is a groupware suite that offers email, calendar, task, contact management and more things. It also offers SyncML and ActiveSync to synchronize with your cell phones or other software. You can find out more about Horde on their webpage: http://www.horde.org/

Using Pydio In An ISPConfig 3 Multiserver Installation

Using Pydio In An ISPConfig 3 Multiserver Installation

This howto shows you, how you can use pydio (formerly Ajaxplorer) in a multi-server installation of ISPConfig 3.

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