Debian Admin Step By Step Tutorials and articles with screenshots

Xubuntu 8.04 (Hardy Heron) Screenshots Tour

Sun, 05 Oct 2008 16:10:51 -0700

Xubuntu is a complete GNU/Linux based operating system with an Ubuntu base. It is lighter on system requirements and tends to be more efficient than Ubuntu with GNOME or KDE, since it uses the Xfce Desktop environment, which makes it ideal for old or low-end machines, thin-client networks, or for those who would like to get more performance out of their hardware.

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Post tags: Other Linux, Xubuntu-8.00-Screenshots, Xubuntu-8.04-Screenshots-gallary, Xubuntu-hardy-heron-Screenshots, xubuntu-screenshots

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How to configure Cisco SPAN Ports

Sat, 27 Sep 2008 16:16:04 -0700

The following example will demonstrate how to configure a single SPAN session on a Cisco Catalyst switch. The specifics are different between different switch models, so be sure to check the Cisco documentation.

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Post tags: cisco switch span ports, configure span ports cisco, span monitoring cisco ports span

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How To Install Skype 2.0 in Debian Lenny

Wed, 24 Sep 2008 16:15:37 -0700

Skype is software that allows users to make telephone calls over the Internet. Calls to other users of the service and to free-of-charge numbers are free, while calls to other landlines and mobile phones can be made for a fee. Additional features include instant messaging, file transfer and video conferencing.

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Post tags: install skype lenny, skype lenny, skype-debian

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Install open-vm-tools on Debian 4.0 (Etch)

Sat, 20 Sep 2008 16:06:14 -0700

VMware Inc. released an OpenSource version of their VMware-Tools, called open-vm-tools. While they’re quite easy to install on Gentoo (emerge open-vm-tools), it’s not that easy having them installed on a Debian Etch (4.0) if you want to go the proper way.

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Post tags: open-vm-tools-on-Debian, open-vm-tools-on-Debian-etch, vmware-tools-debian, vmware-tools-etch

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Howto: Connect automatically on login to a Wireless Router on Ubuntu 7.10

Sat, 20 Sep 2008 16:06:13 -0700

I only tried this for a Belkin G+MIMO but it should be ok for most router types.

Before you carry on:

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Post tags: Connect-automatically-on-login-to-a-Wireless-Router-on-Ubuntu, Network, wireless-ubuntu-gutsy

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Fix for weak OpenSSL/OpenSSH keys in Debian

Wed, 17 Sep 2008 14:48:19 -0700

A recent vulnerability was found in the OpenSSL package as provided by Debian and Debian-based Linux distributions, such as Ubuntu, that broke the effectiveness of the OpenSSL PRNG (Predictable Random Number Generator). This vulnerability caused OpenSSL to generate weak keys for anything relying on OpenSSL, including SSL certificates, OpenSSH keys, and OpenVPN keys.

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Post tags: Fix-for-weak-OpenSSH, Fix-for-weak-OpenSSH-debian, Fix-for-weak-OpenSSL, Fix-for-weak-OpenSSL-debian, Security

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Ddclient - Update IP addresses at dynamic DNS service

Wed, 17 Sep 2008 14:48:19 -0700

If you are using zoneedit.com or dyndns.org for your DNS service so that you can access your server using a URL, then you might have to update your DNS record at the service periodically whenever the IP address of your computer changes.Now here is simple solution for this ddclient.

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Post tags: configur-ddclient, Ddclient, Ddclient-debian, install-Ddclient, Network, update-dynamic-dns-ip

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Kubuntu 8.04 (Hardy Heron) Screenshots Tour

Wed, 17 Sep 2008 14:48:18 -0700

Kubuntu is a user friendly operating system based on KDE, the K Desktop Environment. With a predictable 6 month release cycle and part of the Ubuntu project, Kubuntu is the GNU/Linux distribution for everyone.

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Post tags: Kubuntu-8.04-Screenshots, Kubuntu-Hardy-Heron-Screenshots, Other Linux

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How to prevent a package from being updated in Debian

Wed, 17 Sep 2008 14:48:18 -0700

If you want to update all the packages other than one in your debian server follow this procedure

There are three ways of holding back packages, with dpkg, aptitude or with dselect.

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Post tags: hold-package-in-debian, Package-Mgmt, prevent-a-package-from-being-updated-in-Debian, unhold-a-package-in-debian

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Howto upgrade IOS on a 3750 switch stack

Wed, 17 Sep 2008 14:48:17 -0700

If you want to upgrade IOS on a 3750 switch stack follow this procedure

There are some new IOS commands to automate upgrading of a stack, but I use the familiar manual method.

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Post tags: Network, procedure-to-follow-ios-upgrade-3750-switch-stack, upgrade-cisco-3750-switch-stack, upgrade-ios-in-cisco-switch-stack

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List of FTP Clients Available in Linux

Wed, 17 Sep 2008 14:48:16 -0700

FTP is a file transfer protocol for exchanging files over any TCP/IP based network to manipulate files on another computer on that network regardless of which operating systems are involved (if the computers permit FTP access). There are many existing FTP client and server programs. FTP servers can be set up anywhere between game servers, voice servers, internet hosts, and other physical servers.

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Post tags: ftp-clients-available-debian, ftp-clients-available-in-linux, ftp-clients-debian, ftp-clients-linux

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WebDAV Configuration With Apache2 On Debian Etch

Wed, 17 Sep 2008 14:48:16 -0700

Web-based Distributed Authoring and Versioning, or WebDAV, is a set of extensions to the Hypertext Transfer Protocol (HTTP) which allows users to collaboratively edit and manage files on remote World Wide Web servers. The group of developers responsible for these extensions was also known by the same name and was a working group of the Internet Engineering Task Force (IETF).

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Post tags: configure-webdav-debian-etch, enable-webdav-modules-for-apache2-in-debian, test-webdav-in-debian, webdav-client-debian, webdav-configuration-in-debian-etch, Webserver

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rinetd - Internet TCP redirection server

Wed, 17 Sep 2008 14:48:15 -0700

rinetd redirects TCP connections from one IP address and port to another, with basic IP-based access control.

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Post tags: Free-Tools, install-rinetd-debian, Internet-TCP-redirection-server, rinetd-debian

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Download videos from Youtube,Google and other video sites in Debian Linux

Wed, 17 Sep 2008 14:48:14 -0700

Clive is Command-line and fullscreen console program that extracts videos from YouTube, Google Video and other video sites. It supports embedded video extraction, and can be used with an external encoder (e.g. ffmpeg) to re-encode the extracted videos to different video formats (e.g. avi, mpeg, flv).

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Post tags: clive-debian, clive-example, download-youtube-videos-in-debian, install-clive-debian

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Howto setup DHCP Server and Dynamic DNS with BIND in Debian

Wed, 17 Sep 2008 14:48:14 -0700

This tutorial will explain Howto setup DHCP Server and Dynamic DNS with BIND in Debian.

Preparing you system

First you need to install DHCP,BIND servers using the following command

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Post tags: bind-server-debian-etch, DHCP-Server-and-Dynamic-DNS-with-BIND-in-Debian, DHCP-Server-debian-etch, Network

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Opsview - Enterprise network and Application monitoring based on Nagios

Wed, 17 Sep 2008 14:48:14 -0700

Opsview is enterprise network and application monitoring software designed for scalability, flexibility and ease of use. Opsview has been in development since 2003 and is released under the GNU GPL license. Current version is 2.12.

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Post tags: Free-Tools, install-opsview-debian, nagios-opsvies, Opsview, opsview-debian

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Howto use SSH local and remote port forwarding

Wed, 17 Sep 2008 14:48:14 -0700

Port forwarding, or tunneling, is a way to forward otherwise insecure TCP traffic through SSH Secure Shell. You can secure for example POP3, SMTP and HTTP connections that would otherwise be insecure.

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Post tags: remote-port-forwading-ssh, ssh-forwading-examples, ssh-local-port-forwarding, ssh-port-forwarding

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Aria2 - high speed command line download utility in Debian

Wed, 17 Sep 2008 14:48:13 -0700

aria2 is a utility for downloading files. The supported protocols are HTTP(S), FTP, BitTorrent (DHT, PEX, MSE/PE), and Metalink. It can download a file from multiple sources/protocols and tries to utilize your maximum download bandwidth.

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Post tags: aria2, aria2-debian, download-utility-debian, Free-Tools, install-aria2-debian

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Howto perform UDP tunneling through SSH connection

Wed, 17 Sep 2008 14:48:13 -0700

In this tutorial we will are going to provide simple procedure how to to perform UDP tunneling through an SSH connection.Say you need to forward UDP packets between two remote networks securely.

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Post tags: Security, UDP-tunneling-through--SSH

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Running Vhosts With Apache2 mpm-itk On Debian

Wed, 17 Sep 2008 14:48:12 -0700

apache2-mpm-itk (just mpm-itk for short) is an MPM (Multi-Processing Module) for the Apache 2 web server. mpm-itk allows you to run each of your vhost under a separate uid and gid — in short, the scripts and configuration files for one vhost no longer have to be readable for all the other vhosts.

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Post tags: Apache2-mpm-itk-On-Debian, enable-mod_php-debian, install-Apache2-mpm-itk-On-Debian, install-php5-support-debian, running-apache2-vhosts-in-different-uid-gid-debian, Webserver

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Howto use more than 4 GB RAM on Debian etch

Wed, 17 Sep 2008 14:48:12 -0700

Nowadays, many servers are running with 2-4 gigabytes of RAM, and their owners are discovering a problem: When they run 32-bit debian Linux distribution, their extra RAM is not being used. Fortunately, correcting the problem is only a matter of installing or building a kernel with a few specific parameters enabled or disabled.

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Post tags: enable-morethan-4gb-memory-debian-etch, use-more-than-4gb-ram-debian

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