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Securing SSH On Ubuntu Precise With WiKID Two-Factor Authentication
SSH offers a highly secure channel for remote administration of servers. However, if you face an audit for regulatory or business requirements, such as Visa/Mastercard PCI, you need to be aware of some potential authentication related short-comings that may cause headaches in an audit. In this document we are going to demonstrate how to combine two-factor authentication from WiKID on Ubuntu. This document will also serve as the basis for additional tutorials because many services on Linux use PAM for authentication.
How To Configure Apache To Use Radius For WiKID Two-Factor Authentication On Ubuntu
This document describes how to add WiKID two-factor authentication to Apache 2.x using mod_auth_radius on Ubuntu 12.04 Precise. It is recommended that you consider using mutual https authentication for web applications that are worthy of two-factor authentication. Strong mutual authentication means that the targeted website is authenticated to the user in some cryptographically secure manner, thwarting most man-in-the-middle attacks. The use of cryptography is key. While some sites use an image in an attempt to validate a server, it should be noted that any man-in-the-middle could simply replay such an image.
The Perfect Desktop - Ubuntu 13.04 (Raring Ringtail)
This tutorial shows how you can set up an Ubuntu 13.04 desktop that is a full-fledged replacement for a Windows desktop, i.e. that has all the software that people need to do the things they do on their Windows desktops. The advantages are clear: you get a secure system without DRM restrictions that works even on old hardware, and the best thing is: all software comes free of charge.
The Perfect Server - Ubuntu 13.04 (nginx, BIND, Dovecot, ISPConfig 3)
This tutorial shows how to prepare an Ubuntu 13.04 (Raring Ringtail) server (with nginx, BIND, Dovecot) for the installation of ISPConfig 3, and how to install ISPConfig 3. ISPConfig 3 is a webhosting control panel that allows you to configure the following services through a web browser: Apache or nginx web server, Postfix mail server, Courier or Dovecot IMAP/POP3 server, MySQL, BIND or MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, and many more. This setup covers nginx (instead of Apache), BIND (instead of MyDNS), and Dovecot (instead of Courier).
Ubuntu 13.04 Samba Standalone Server With tdbsam Backend
This tutorial explains the installation of a Samba fileserver on Ubuntu 13.04 and how to configure it to share files over the SMB protocol as well as how to add users. Samba is configured as a standalone server, not as a domain controller. In the resulting setup, every user has his own home directory accessible via the SMB protocol and all users have a shared directory with read-/write access.
The Perfect Server - Ubuntu 13.04 (Apache2, BIND, Dovecot, ISPConfig 3)
This tutorial shows how to prepare an Ubuntu 13.04 (Raring Ringtail) server (with Apache2, BIND, Dovecot) for the installation of ISPConfig 3, and how to install ISPConfig 3. ISPConfig 3 is a webhosting control panel that allows you to configure the following services through a web browser: Apache or nginx web server, Postfix mail server, Courier or Dovecot IMAP/POP3 server, MySQL, BIND or MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, and many more. This setup covers Apache (instead of nginx), BIND (instead of MyDNS), and Dovecot (instead of Courier).
How To Upgrade Ubuntu 12.10 (Quantal Quetzal) To 13.04 (Raring Ringtail) (Desktop & Server)
The new Ubuntu 13.04 (Raring Ringtail) has just been released. This guide shows how you can upgrade your Ubuntu 12.10 desktop and server installations to Ubuntu 13.04.
Setting Up ProFTPd + TLS On Ubuntu 12.10
FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure. This article explains how to set up ProFTPd with TLS on an Ubuntu 12.10 server.
Virtual Hosting With Proftpd And MySQL (Incl. Quota) On Ubuntu 12.10
This document describes how to install a Proftpd server that uses virtual users from a MySQL database instead of real system users. This is much more performant and allows to have thousands of ftp users on a single machine. In addition to that I will show the use of quota with this setup. This tutorial is based on Ubuntu 12.10.
Running ActiveCollab 3 On Nginx (LEMP) On Debian Wheezy/Ubuntu 12.10
This tutorial shows how you can install and run activeCollab 3 on a Debian Wheezy or Ubuntu 12.10 system that has nginx installed instead of Apache (LEMP = Linux + nginx (pronounced "engine x") + MySQL + PHP). nginx is a HTTP server that uses much less resources than Apache and delivers pages a lot of faster, especially static files.