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eBox

Using eBox As A Gateway: Firewall, Traffic Shaping, HTTP Proxy And More

Post date: June 11, 2010, 12:06 Category: Installing Views: 5564 Comments
Tutorial quote: eBox Platform is the Linux small business server that allows you to manage all your network services like firewall, DHCP, DNS, VPN, proxy, IDS, mail, file and printer sharing, VoIP, IM and much more. These functionalities are tightly integrated, automating most tasks, avoiding mistakes and saving time for system administrators. This article will show you step by step how to use eBox as a Gateway, featuring network configuration, load balancing between two Internet connections with WAN failover and multigateway rules for policy routing, traffic shaping, DHCP and DNS cache for the LAN network and HTTP proxy with different content filtering policies and antivirus.
Unix+clones

Installing and securing Squid

Post date: March 13, 2006, 15:03 Category: Software Views: 4755 Comments
Tutorial quote: Squid is a high-performance proxy caching server for web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups, supports non-blocking DNS lookups, and implements negative caching of failed requests. Squid supports SSL, extensive access controls, and full request logging. By using the lightweight Internet Cache Protocol, Squid caches can be arranged in a hierarchy or mesh for additional bandwidth savings.

After the installation and base configuration of squid we will add another layer of security by chrooting it.
Debian

Running WordPress On Nginx (LEMP) on Debian Squeeze/Ubuntu 11.04

Post date: September 1, 2011, 08:09 Category: Installing Views: 2822 Comments
Tutorial quote: This tutorial shows how you can install and run a WordPress blog on a Debian Squeeze or Ubuntu 11.04 system that has nginx installed instead of Apache (LEMP = Linux + nginx (pronounced "engine x") + MySQL + PHP). In addition to that I will also show you how you can use the WordPress plugins WP Super Cache and W3 Total Cache with nginx. nginx is a HTTP server that uses much less resources than Apache and delivers pages a lot of faster, especially static files.
Ubuntu

Apt-Cacher-NG - HTTP download proxy for software packages

Post date: February 24, 2009, 07:02 Category: System Views: 3790 Comments
Tutorial quote: Apt-Cacher-ng is a software package that keeps a cache, on the disk, of Debian/Ubuntu Packages and Release files.When an apt-get like client issues a request for a file, Apt-Cacher intercepts it and if the file is already cached it serves it to the client immediately, otherwise it fetches the file from the Internet, saves it on the cache, and then serves it to the client. This means that several Debian machines can be upgraded but each package need to be downloaded only once.
Ubuntu

DNS server Setup using bind in Ubuntu

Post date: May 1, 2007, 05:05 Category: Software Views: 6086 Comments
Tutorial quote: DNS Stands for Domain Name Service.On the Internet, the Domain Name Service (DNS) stores and associates many types of information with domain names; most importantly, it translates domain names to IP addresses

Unix+clones

DNS Common Abuses

Post date: April 17, 2005, 09:04 Category: Security Views: 2374 Comments
Tutorial quote: In paper I have present several features of DNS to make the reader familiar with the basics of the Domain Name System. I have also covered several well known and wide spread attacks that are used to exploit DNS. These attacks are by no means theoretical. In truth they grow more and more common as attackers become more sophisticated. The suggested defense methods outlined at the end of each section cover only the basic recommendations that can be used to thwart attackers.
RedHat

How to set up a home DNS server

Post date: December 17, 2006, 17:12 Category: Network Views: 10038 Comments
Tutorial quote: In the first part of this series on the Domain Name System (DNS), we set up a caching nameserver that allowed our clients to take advantage of faster network operations by caching frequently requested DNS queries. In this article, we will extend our caching nameserver to a master nameserver that is responsible for managing the authoritative information for our internal client hostnames.
Unix+clones

Two-in-one DNS server with BIND9

Post date: April 1, 2006, 05:04 Category: Software Views: 3924 Comments
Tutorial quote: This tutorial shows you how to configure BIND9 DNS server to serve an internal network and an external network at the same time with different set of information. To accomplish that goal, a new feature of BIND9 called view is used. As a tutorial it'll walk you through the whole set up, but initial knowledge of BIND and DNS is required, there are plenty of documents that cover that information on the Internet.
PC-BSD

Creating PC-BSD Packages (.pbi's)

Post date: September 1, 2005, 02:09 Category: Software Views: 5846 Comments
Tutorial quote: I've found a neat, clean and fast way of creating PBI's that works 100%. and im writing this HOW-TO to explain it.
Unix+clones

OpenOffice 2.0: Creating database forms

Post date: December 13, 2005, 12:12 Category: Software Views: 2863 Comments
Tutorial quote: ather than having a shallow affair with OpenOffice 2.0, we can use it to get a little more intimate with the data. We can even badger it into forming relations. Why force your database tables into a marriage with OpenOffice? Because, as with human relations, life -- and data -- are pretty meaningless without tight connections.

This tip on creating forms is part of a series I'm writing on OpenOffice.org 2.0 Base. So far, I've discussed making a plain database from scratch, creating tables, entering data using the table editor and a simple form and creating a view of a table or tables.

Let's start off with a description of what table relations are anyway, then discuss how to create a data entry form like this one, which has data from two related tables.
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