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Linux

Asterisk : Basic SOHO environment VoIP PABX configuration

Post date: October 30, 2010, 05:10 Category: Installing Views: 3228 Comments
Tutorial quote: Asterisk is a free telephony software. Im posting here sample commented configuration files for reference purposes, hoping they will help you get kickstarted if needed.
Unix+clones

Keeping Your Life in Subversion

Post date: October 2, 2005, 16:10 Category: Software Views: 4021 Comments
Tutorial quote: I keep my life in a Subversion repository. For the past five years, I've checked every file I've created and worked on, every email I've sent or received, and every config file I've tweaked into revision control. Five years ago, when I started doing this using CVS, people thought I was nuts to use revision control in this way. Today it's still not a common practice, but thanks to my earlier article "CVS homedir" (Linux Journal, issue 101), I know I'm not alone. In this article I will describe how my new home directory setup is working now that I've switched from CVS to Subversion.

Subversion is a revision-control system. Like the earlier and much cruftier CVS, its purpose is to manage chunks of code, such as free software programs with multiple developers, or in-house software projects involving several employees. Unlike CVS, Subversion handles directories and file renaming reasonably, which is more than sufficient reason to switch to it if you're already using CVS. It also fixes most of CVS's other misfeatures. Subversion still has its warts, though, such as an inability to store symbolic links and some file permissions, and its need for twice as much disk space as you'd expect thanks to the copies of everything in those .svn directories. These problems can be quite annoying when you're keeping your whole home directory in svn. Why bother?
Debian

Virtual Users And Domains With Postfix, Courier And MySQL (+ SMTP-AUTH, Quota, SpamAssassin, ClamAV)

Post date: October 9, 2005, 18:10 Category: Network Views: 4431 Comments
Tutorial quote: This document describes how to install a mail server based on Postfix that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses.

The resulting Postfix server is capable of SMTP-AUTH and TLS and quota (quota is not built into Postfix by default, I'll show how to patch your Postfix appropriately). Passwords are stored in encrypted form in the database (most documents I found were dealing with plain text passwords which is a security risk). In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses.
Ubuntu

WineXS Simple graphical environment to configure Wine

Post date: August 18, 2009, 10:08 Category: Software Views: 3236 Comments
Tutorial quote: WineXS allows you to easily configure Wine by installing and removing software, editing the registry,managing files, and more.
OpenSUSE

Ext4 support on OpenSuse 11.1

Post date: January 5, 2009, 10:01 Category: System Views: 4638 Comments
Tutorial quote: Kernel 2.6.28 Released

Torvald released the final version of Linux Kernel 2.6.28. It's not a big change since RC 9, but it finally appeared as final after lots of discussion on LKML whether to postpone the release or release earlier and make the merge window longer as the developers goes on long holidays.

Here's some summary of Kernel 2.6.28 (taken from KernelNewbies): Linux 2.6.28 adds the first version of Ext4 as a stable filesystem, the much-expected GPU memory manager which will be the foundation of a renewed graphic stack, support for Ultra Wide Band (Wireless USB, UWB-IP), memory management scalability and performance improvements, a boot tracer, disk shock protection, the phonet network protocol, support of SSD discard requests, transparent proxy support, several new network drivers, controlable IO CPU affinity, high-resolution poll()/select(), support of a minimal "dummy" policy in SELinux, tracing improvements, x86 x2APIC support, a fb driver for VIA UniChrome devices, Mitac Mio A701 ARM-based smartphone support, some new drivers, improved device support, and many other small improvements and fixes.
Debian

Supplying routing information using DHCP

Post date: December 10, 2006, 09:12 Category: Network Views: 3642 Comments
Tutorial quote: This article describes how to use DHCP to supply information about static routes to the clients on your network. You may want to do this if you have two or more local networks with routers between them. The DHCP software doesn't support this out-of-the-box, but it can be configured to do so without too much effort.
Linux

How to play DVDs on any x86 GNU/Linux distro

Post date: April 12, 2005, 18:04 Category: Multimedia Views: 3576 Comments
Tutorial quote: My folks recently bought and sent me two DVDs, but the only DVD player I have is in my Linux-based computer. Using the free software application MPlayer, I was able to watch my videos. I'll walk you through the easy steps required.
Fedora

Virtual Users & Domains With Postfix, Courier, MySQL, SquirrelMail (Fedora 10)

Post date: February 1, 2009, 11:02 Category: Installing Views: 3890 Comments
Tutorial quote: This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota (quota is not built into Postfix by default, I'll show how to patch your Postfix appropriately). Passwords are stored in encrypted form in the database (most documents I found were dealing with plain text passwords which is a security risk). In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses. I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords.
Linux

Building a Linux Cluster, Part 2

Post date: April 18, 2005, 03:04 Category: Network Views: 3382 Comments
Tutorial quote: In this installment, we consider the what of cluster building: the hardware and software components that make up a Linux cluster, and some ways to think about integrating them into a solution for your environment.
OpenBSD

Using OpenBSD

Post date: April 26, 2006, 14:04 Category: Miscellaneous Views: 9764 Comments
Tutorial quote: Many people responded to the call for OpenBSD and OpenSSH donations by purchasing an OpenBSD CD set. Those CDs are beginning to arrive in the mail, and when they do, how are you going to use them? If you're a software enthusiast who has never used OpenBSD before, you might enjoy installing it by yourself and figuring it out as you go. If, however, you're looking for a more practical approach to using OpenBSD as a desktop or server operating system, here's a guide to get you started.
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