In the first part of this series selected and installed the packages required for the functioning of the cactus. Having completed the installation and configuration of the packages we Cacti the system configuration is very simple. Http://localhost/cacti first access the address on any web browser installed, to finish [...]
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The Cacti [1] is a complete frontend to RRDTool [2] that stores all the information necessary for the construction of graphics in a database MySQL The Cacti is fully written in PHP. Along with the graphics power to maintenance and storage of data from home in a database Cacti handles the data collection and [...]
To achieve an effective comparison between the distributions were established some "criteria of comparison" that were points of agreement with the performance of each distribution. Each criterion has a weight according to their importance against the background comparative and other situations inherent in the use of a system [...]
Share file when USA Linux is not a difficult task, but no doubt the various options may embarrass the administrator's time to make a correct choice. Some months ago I know the technology AoE (ATA over Ethernet) [1], a lightweight protocol that enabled by loading a kernel module, allows [...]
Currently the major distributions have a very similar facility, so there will be a detailed description of each step to not make the full text or tiring. These notes of implementation will focus only on details most relevant to the context proposed. The procedures for installation were [...]
LAMP is a nickname used to describe a Linux Server with Apache to support the MySQL database and the PHP language (Linux + Apache + MySQL + PHP, a server LAMP can also include the languages Perl or Python, and PHP the most popular. ). This combination is extremely powerful and successful. Apache is the HTTP server but [...]
In this series present the implementation and outcome of a comparison test between Linux distributions. This comparison takes into account the installation and configuration of a Linux server minimum, with no graphical interface and support for Apache, PHP and MySQL, and use of virtual domains in Apache. Distributions [...]
The SNMP is very important for monitoring and managing any network. If you want to use any software for monitoring equipment and network servers using the SNMP is essential. But to use SNMP to collect a small remote is necessary change in the default protocol [...]
Following the earlier text on the block SMTP access to internal network clients using pfSense, today we know how to make access to SMTP and others to an external provider specific. Block SMTP traffic to the outside world is an effective measure to avoid problems, but otherwise we [...]
Well today I want to comment on the use of pfsense [1] as a firewall or gateway to share Internet is a real find for any network administrator. In a previous post [2] made a brief presentation of this powerful distribution based on FreeBSD. I believe the email a particular type of web service already bankrupt, [...]
After the service, check the DNS http://dnsreport.com site ceased to be free of many network administrators who have no access to other networks, had difficulties to test and diagnose problems in the configuration of your DNS from a host remote. Fortunately there are already many alternatives that can [...]
Creating a new super user in PostgreSQL
01-Jul-08The administration of PostgreSQL [1] requires some care with security. One of them is to allow only certain users to connect and from certain hosts on the network. Well today I will explain what I do to create a new super user in PostgreSQL when I do a new installation on Debian systems. This procedure is usually [...]
The Phantom System [1] is a project of the Brazilian Suhanko alex started a personal need, as the vast majority of projects for success, and has the function of creating images (clones) of discs and allow becape and easy restoration of any system . It is a system mínimio (15 MB) bootável the CD, Pendrive account or disk and a [...]
pfsense [1] is a project of firewall based on FreeBSD that is more than a million downloads. Born in 2004 as a fork of the m0n0wall project [2] focusing on the use pf packet filter, based on an earlier version of FreeBSD and installable on PC platform and not only in embedded systems. With an image of just 60MB [. ..]
A much desired feature for some time by many administrators of servers was the possibility of domíninos virtual host name based on the Apache and enable the SSL (Secure Sockets Layer) independently for each area without the need to pay a unique IP to them. However an extension to TLS called [...]
Originally published in http://wasare.net on 19/01/2007 The HTB-Tools is an excellent tool to aid in the configuration of the HTB (Hierarchical Token Bucket) to limit the use of bandwidth. As the first article on the HTB-Tools explaining the use of the tool has generated many inquiries and questions from readers I decided to write a little [...]
Originally published in http://wasare.net on 12/08/2006 and SlackwareZine Paragraph 9 Introduction Installation Configuration Enabling the HTB Monitoring Control of the Band 1. Introduction The HTB (Hierarchical Token Bucket) is a good alternative to replace the CBQ (Class Based Queueing) because it is more accurate and easy to [...]
In the previous post in this series explained how to install the package HAVP directly from the official Debian archive. Commented on the dependencies of clamav, but I forgot to say that we essentially only the packages (basic) clamav, clamav-freshclam and libclamav3, and the equipment package clamav-daemon. This [...]
Recently deploy a solution of virus in Debian etch to share internet with Squid integrating it with HAVP + clamav. The HAVP (HTTP Anti Virus Proxy) is an HTTP proxy, antivirus and the solution was chosen because it seemed the most simple and easy to integrate. But the problem is that in the official repositories of Debian [...]
Debian is recognized for its stability and its innovations in terms of Linux distributions. It is no coincidence that Debian is the basis for more than 180 distros (including derivatives as Kurumin, Knoppix and Ubuntu), or more than half of all distros listed on the site DistroWatch.com. All this popularity and strength were [.. .]
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