Go back to fronty page View most popular entries View latest additions Submit tutorials to UnixTutorials.info
UnixTutorials logo

Search results for Preventing Brute Force Attacks With BlockHosts On Debian Etch

Debian

Retrieving Emails From Remote Servers With getmail (Debian Etch)

Post date: June 15, 2007, 22:06 Category: Software Views: 3386 Comments
Tutorial quote: Getmail is a program for retrieving emails from remote servers; it is very similar to fetchmail, but more flexible. For example, it can be configured to deliver mails directly to a Maildir or mbox mailbox without the need for an MTA such as Postfix, but of course it can also pipe the mails through an MTA if you want. Getmail can use so called filters such as SpamAssassin and ClamAV to scan the mails, and you can even tell getmail to delete mails on the original server only after a certain number of days.
Debian

Securing Debian Manual

Post date: January 1, 2008, 13:01 Category: Security Views: 3706 Comments
Tutorial quote: This document describes security in the Debian project and in the Debian operating system. Starting with the process of securing and hardening the default Debian GNU/Linux distribution installation, it also covers some of the common tasks to set up a secure network environment using Debian GNU/Linux, gives additional information on the security tools available and talks about how security is enforced in Debian by the security and audit team.
Linux

Setting up a serial console

Post date: February 19, 2007, 19:02 Category: Miscellaneous Views: 3529 Comments
Tutorial quote: This tutorial will show you how to set up a serial console on a Linux system, and connect to it via a null modem cable. This is quite useful if your Linux server is in a headless configuration (no keyboard or monitor), as it allows you to easily get a console on the system if there are any problems with it (especially network problems, when SSH is not available). In the end, the GRUB menu will appear over the serial link, as will the bootup messages (output when booting the system). I am using Debian Etch on the server and Ubuntu Edgy on my client, although this should work on any Linux distribution.
Debian

Rescuing systems using the Debian snapshot server

Post date: September 18, 2006, 14:09 Category: System Views: 5292 Comments
Tutorial quote: One of the unofficial Debian project resources which doesn't get the attention it deserves is the Debian Snapshot site. The site contains a mirror of old Debian packages, which can be very useful for system recovery.

In most normal cases you won't ever need to use it, unless you're wanting to compare two different package versions to see changes, or do other non-standard things. However when you do need to use it you'll learn what a big lifesaver it is!

The biggest use for the site, for me, has been for recovering from broken package updates. Whilst these are rare in the Debian Stable and Testing releases they can be an issue when running Debian unstable.
Linux

How To Set Up VMware Tools On Various Linux Distributions

Post date: October 2, 2007, 07:10 Category: Miscellaneous Views: 8025 Comments
Tutorial quote: This document explains how to set up the VMware Tools in the following guest operating systems: Ubuntu 7.04, Fedora 7, PCLinuxOS 2007 and Debian Etch. Installing VMware Tools in your guest operating systems will help maximize performance, provide mouse synchronization and copy & paste functionality. This article also shows a way of making VMware Tools start automatically when you start a guest operating system.
Ubuntu

Create a LAN for Virtual Servers with KVM and VDE

Post date: November 11, 2008, 19:11 Category: System Views: 3460 Comments
Tutorial quote: You have one host [ hoster ] running KVM on UBUNTU with 1 network interface accessing to internet.You want to have 2 debian etch virtual servers [ guest ] ( debian01 and debian02 ) running on your hoster with network access between them and hoster in a local LAN. In this case virtual servers will not be able to access to internet, but later I will explain how to do it.
Debian

Virtual Users And Domains With Postfix, Courier And MySQL (Debian Etch)

Post date: June 5, 2007, 23:06 Category: Installing Views: 2929 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 will also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses.
Debian

Setting Up Master-Master Replication With MySQL 5 On Debian Etch

Post date: October 25, 2007, 11:10 Category: Miscellaneous Views: 3194 Comments
Tutorial quote: Since version 5, MySQL comes with built-in support for master-master replication, solving the problem that can happen with self-generated keys. In former MySQL versions, the problem with master-master replication was that conflicts arose immediately if node A and node B both inserted an auto-incrementing key on the same table. The advantages of master-master replication over the traditional master-slave replication are that you do not have to modify your applications to make write accesses only to the master, and that it is easier to provide high-availability because if the master fails, you still have the other master.
Linux

Automatically Scan Uploaded Files For Viruses With php-clamavlib

Post date: January 14, 2007, 21:01 Category: Security Views: 4303 Comments
Tutorial quote: This guide describes how you can automatically scan files uploaded by users through a web form on your server using PHP and ClamAV. That way you can make sure that your upload form will not be abused to distribute malware. To glue PHP and ClamAV, we install the package php5-clamavlib/php4-clamavlib which is rather undocumented at this time. That package is available for Debian Etch and Sid and also for Ubuntu Dapper Drake and Edgy Eft.
Debian

OpenVZ On Debian Etch For Webservers

Post date: December 26, 2006, 21:12 Category: System Views: 3316 Comments
Tutorial quote: Virtualization is a good practice for servers, since it makes things more secure, scalable, replacable, and replicable, all this at the cost of little added complexity. This guide was written during an install of a Supermicro machine with two dual-core opterons (64-bit), two identical disks (for RAID) and a load of memory. Why OpenVZ and not XEN or the recent KVM kernel module? Well, XEN is not very stable for 64-bit architectures (yet), and it comes with quite a bit of overhead (every VM runs its own kernel) due to its complexity. KVM is very simple but restricts you to run a kernel as one process, so the VM cannot benefit from multi core systems.
Web-based applications and online marketing solutions - LumoLink