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Linux

Chrooting Apache

Post date: April 13, 2005, 00:04 Category: Security Views: 3378 Comments
Tutorial quote: The chroot daemon allows you to run a program and have it see a given directory as the root (/) directory. This effectively locks the process into its very own filesystem ("chroot jail") isolated from the real / filesystem. In this article we will look at how to install the Apache Web server in such an environment.
Linux

/etc/grub.conf explained

Post date: September 28, 2008, 09:09 Category: Software Views: 4385 Comments
Tutorial quote: The following example shows the structure of a GRUB menu file. The example installation has a Linux boot partition under /dev/sda5, a root partition under /dev/sda7, and a Windows installation under /dev/sda1.
Debian

How To Set Up SSH With Public-Key Authentication On Debian Etch

Post date: March 30, 2008, 13:03 Category: Security Views: 4227 Comments
Tutorial quote: This guide explains how to set up an SSH server on Debian Etch with public-key authorization (and optionally with disabled password logins). SSH is a great tool to control Linux-based computers remotely. It is safe and secure.
Debian

Detailed Bacula Network Backup Implementation Guide

Post date: June 6, 2006, 19:06 Category: Software Views: 4344 Comments
Tutorial quote: This is very detailed tutorial for implemeting bacula network backup in debian linux.This tutorial contails totally 4 pages.

Bacula is a set of computer programs that permits you (or the system administrator) to manage backup, recovery, and verification of computer data across a network of computers of different kinds. Bacula can also run entirely upon a single computer, and can backup to various types of media, including tape and disk.

In technical terms, it is a network Client/Server based backup program. Bacula is relatively easy to use and efficient, while offering many advanced storage management features that make it easy to find and recover lost or damaged files. Due to its modular design, Bacula is scalable from small single computer systems to systems consisting of hundreds of computers located over a large network.
Unix+clones

Enhance boot-time security with GRUB passwords

Post date: April 26, 2006, 13:04 Category: Security Views: 3737 Comments
Tutorial quote: The security of data files on your computer is at risk, and not just because you are connected to the Internet. Anyone with physical access to your machine can bypass all passwords to gain entry to your hard disk with one simple command given to the bootloader. Fortunately, the popular GRand Unified Bootloader (GRUB) is equipped with security features to prevent such an 'attack.' It can password protect each entry of your boot menu.
Debian

Upgrade Debian Lenny To Squeeze In A Few Simple Steps

Post date: February 8, 2011, 12:02 Category: Installing Views: 3123 Comments
Tutorial quote: One rather old laptop and one server were the test objects for this howto. Both systems do not have any RAID devices and use a simple partition scheme from a default basic Lenny install. If your setup deviates much from this, it's highly recommended to read all details of the Debian Release Notes before you continue. Be warned. All commands are run as root and Debian recommends to use apt-get for the Squeeze upgrade process.
OpenSUSE

xclip - Copy contents from command line to X clipboard in openSUSE

Post date: April 14, 2009, 06:04 Category: Desktop Views: 4212 Comments
Tutorial quote: xclip is a command line interface to the X11 selections (X11 clipboard). It can also be used for copying files, as an alternative to sftp/scp, thus avoiding password prompts when X11 forwarding has already been setup. xclip reads from Standard Input or from one or more files and copy it to the X11 clipboard making it available to the X applications. xclip can also print the content of the current X clipboard onto the standard output or to a file.
OpenSUSE

Webmin installation and configuration on OpenSuSe

Post date: November 17, 2008, 11:11 Category: Installing Views: 4974 Comments
Tutorial quote: Webmin, developed by Jamie Cameron, acts as a comprehensive interface to the underlying applications on servers, including support for configuring applications like ftp, ssh, mail, Web, databases and more. Differing from other control panels, the core Webmin interface is intended for system administrators with root access to their servers, and includes a user-based package to enable your users (or clients) to access their own domains, email, and more, within a limited scope. Webmin supports running under SSL.
Debian

Mini-Howto for User Mode Linux

Post date: April 12, 2005, 17:04 Category: System Views: 2926 Comments
Tutorial quote: UML ("User Mode Linux") allows you to run multiple Linux servers on one physical machine. This can be handy for many different purposes. For example, you might want to give different people root rights, but prevent them from interfering with one another. Or, you might want to have several identically configured servers, one for production, one for development, and one for testing, but without investing in multiple physical machines.

Once you have prepared your machine for running UML instances as described in the following section, adding new instances will take less than five minutes. The preparation, however, might take a bit longer.
Linux

Key-Based SSH Logins With PuTTY

Post date: December 10, 2006, 20:12 Category: Security Views: 4282 Comments
Tutorial quote: This guide describes how to generate and use a private/public key pair to log in to a remote system with SSH using PuTTY. PuTTY is an SSH client that is available for Windows and Linux (although it is more common on Windows systems). Using key-based SSH logins, you can disable the normal username/password login procedure which means that only people with a valid private/public key pair can log in. That way, there is no way for brute-force attacks to be successful, so your system is more secure.
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