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Linux

Building an LDAP Server on Linux, Part 2

Post date: April 15, 2005, 17:04 Category: Network Views: 3639 Comments
Tutorial quote: Welcome back! In Part 1 we learned basic concepts of LDAP and the uses for an LDAP server. Today we'll install and configure an OpenLDAP directory.

A quick note before we get started: this is LDAP 101. We are not installing any kind of encryption or strong authentication; we'll get to that in part 3. In my experience, learning LDAP in small chunks works best. (Then again, perhaps I'm just a bit dim.) So sit back, strap in, and keep your fingers away from the training wheels.

"The wise sysadmin will consult the documentation for their distro; it's quite possible that OpenLDAP will be packaged and ready to go in a pleasing manner (or ready to go in an odd manner--you never know). I'm all for easy--if your particular distribution provides an easy way, use it. RPMs can also be obtained from rpmfind.net, which thoughtfully lists all the required additional packages.

"Debian of course goes its own merry way. apt-get does the job just fine; the tricky bit is finding out the package names. Debian users want ldap-utils; slapd, which is OpenLDAP; and libdb4.1, to get the Sleepycat DB. These three components are enough to get you up and running. apt-get will walk you through a minimal configuration and will automatically start up slapd, the LDAP server daemon.
Linux

Chrooting Apache

Post date: April 13, 2005, 00:04 Category: Security Views: 2739 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.
Ubuntu

Virus Protection With F-PROT Antivirus On Ubuntu Feisty Fawn

Post date: September 24, 2007, 08:09 Category: Security Views: 3791 Comments
Tutorial quote: This tutorial shows how you can install and use F-PROT Antivirus on an Ubuntu Feisty Fawn desktop. Although there are not many Linux viruses out there, this can be useful if you often exchange files with Windows users - it can help you to not pass on any Windows viruses (that do not do any harm to Linux systems) to Windows users. F-PROT Antivirus for Linux is free for home use.
Debian

Triggering Commands On File/Directory Changes With Incron

Post date: September 2, 2008, 09:09 Category: Miscellaneous Views: 3486 Comments
Tutorial quote: This guide shows how you can install and use incron on a Debian Etch system. Incron is similar to cron, but instead of running commands based on time, it can trigger commands when file or directory events occur (e.g. a file modification, changes of permissions, etc.).
Linux

Recursively Encrypt / Decrypt Directories using gpgdir on Linux

Post date: January 24, 2010, 06:01 Category: Security Views: 4589 Comments
Tutorial quote: gpgdir is a script that encrypts and decrypts directories using a GPG key. It supports recursively descending through a directory in order to make sure it encrypts or decrypts every file in a directory and all of its subdirectories.
Linux

Entering A Safe Mirror When Logging In With Unionfs And Chroot

Post date: June 28, 2007, 00:06 Category: Miscellaneous Views: 2621 Comments
Tutorial quote: When reading a hint on the website of LinuxFromScratch I discovered the special capabilities of unionfs, specially in combination with chroot. Later I read a HowTo on a wikiwebsite of Gentoo, about entering a chrooted home directory when using a special script as shell. Combining these two brings me to using a chrooted environment, which you enter when logging in as a special user. This environment is an exact copy (mirror) of the system you are working on. Because you are in safe copy of the real system, you can do whatever you like, it will never change the system, everything stays inside the cache (the readwrite branch).
Debian

Version Control For Your /etc Directory With etckeeper/Bazaar On Debian Squeeze

Post date: July 17, 2011, 18:07 Category: Miscellaneous Views: 2511 Comments
Tutorial quote: This tutorial explains how you can store the contents of your /etc directory in a version control system (VCS) with the help of etckeeper on Debian Squeeze. etckeeper hooks into Debian's package manager apt so that whenever you install/remove a package with apt, etckeeper will commit all changes to the /etc directory to your VCS; it also tracks file metadata such as permissions which is important for files such as /etc/shadow. Using etckeeper, you can go back to a previous version of /etc if an update has overwritten valuable configuration files. Not only will etckeeper track apt's changes to /etc, it will also do a daily auto-commit so that your manual changes go to VCS as well; in addition to that, you can do commits at any time manually.
Debian

Mandriva Directory Server On Debian Etch

Post date: February 7, 2008, 12:02 Category: Network Views: 3352 Comments
Tutorial quote: This document describes how to set up the Mandriva Directory Server (MDS) on Debian Etch. The resulting system provides a full-featured office server for small and medium companies - easy to administer via the web-based Mandriva Management Console (MMC).
Linux

Build a Home Terabyte Backup System Using Linux

Post date: December 1, 2005, 01:12 Category: Miscellaneous Views: 3241 Comments
Tutorial quote: A terabyte-plus backup and storage system is now an affordable option for Linux users. This article discusses options for building and configuring an inexpensive, expandable, Linux-based backup server.
Debian

Giving your Xen instances a working X setup

Post date: January 3, 2006, 04:01 Category: Software Views: 2652 Comments
Tutorial quote: Xen, the virtualisation system, is a great tool for running fresh copies of an operating system. However it doesn't allow you to run X11 programs. Here we can fix that with the help of VNC.
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