Thursday, 15 November 2007

Howto bind ssh to selected IP address

ssh (SSH client) is a program for logging into a remote machine and for executing commands on a remote machine. It is intended to replace rlogin and rsh, and provide secure encrypted communications between two untrusted hosts over an insecure network. X11 connections and arbitrary TCP ports can also be forwarded over the secure channel.

Full Story

Howto make partition changes visible to the kernel without reboot

Many system administrators may be in the habit of re-booting their systems to make partition changes visible to the kernel. With Linux, this is not usually necessary. The partprobe command, from the parted package, informs the kernel about changes to partitions.

Full Story

Securing Cisco Routers by Disabling Unused Services

On Cisco routers, a whole bunch of services come enabled by default.your first order of operation would be to ensure that the all unused services are disabled.

Full Story

Howto setup cisco router Hostnames

You can set the identity of the router with the hostname command. This is only locally significant,which means that it has no bearing on how the router performs name lookups or how the router works on the internetwork.

Full Story

Howto Setup Cisco Router Enable Password

There are five passwords used to secure your Cisco routers: console, auxiliary, telnet (VTY),enable password, and enable secret. Just as you learned earlier in the chapter, the first two passwords are used to set your enable password that’s used to secure privileged mode. This will prompt a user for a password when the enable command is used. The other three are used to configure a password when user mode is accessed either through the console port, through the auxiliary port, or via Telnet.

Full Story

Quick PDF sorting and searching: SWISH++

Problem: using SWISH++ it is possible to search and sort PDF-files automaticallySolution: tools like pdftotext, find, scripts on Bash or Perl are required to perform quick and fast search within PDF and indexing PDF documents.

Full Story

Restart Apache Server without affecting existing connections

Sometimes you want to restart your Apache server after changing some configuration in your virutual hosts,sites etc, but you have few hundred clients currently downloading files from your server and you don’t want to disconnect them.

Full Story

Howto Forward root’s mail to your inbox

If you want to read these system messages, you can always do sudo mutt -f /var/mail/root if you are familiar with mutt. However, an easier and more efficient way to check this mail would be to have it forwarded to your user’s local inbox, and then read it with your favorite email reader.

Full Story

Howto Auto mount a drive in DOSBOX

DOSBox emulates an Intel x86 PC, complete with sound, graphics, mouse, modem, etc., necessary for running many old DOS games that simply cannot be run on modern PCs and operating systems, such as Microsoft Windows 2000, Windows XP, Linux and FreeBSD. However, it is not restricted to running only games. In theory, any DOS application should run in DOSBox, but the emphasis has been on getting DOS games to run smoothly, which means that communication, networking and printer support are still in early developement.

Full Story

What package is that file in ?

One question I get all the time is “What package is that file in?” There’s a really easy way to find out yourself. It’s called apt-file and it can search for a file in any package (installed or not). It’s really easy to use:

Full Story

Howto Install Freecom Musicpal in Ubuntu Feisty

Freecom just brought a brand new product to the Dutch market called the “Musicpal“. On the box it says it’s supported for Windows and Mac, although its software is based on Linux Kernel. Stubborn and Windows/Mac hater as I am, I decided to buy this nice product convinced of managing to make it work somehow in Ubuntu (Linux geek as I am!). Two days later I managed to make it work! Still not perfect, but enough not to bring my Musicpal back to the store. Therefor I thought it would be nice to write the beginning of a good tutorial.

Full Story

Howto Fix RSSOwl Internal Browser

Applications that collect data from RSS-compliant sites are called RSS readers or “aggregators.” RSSOwl is such an application. RSSOwl lets you gather, organize, update, and store information from any compliant source in a convenient, easy to use interface, save selected information in various formats for offline viewing and sharing, and much more. It’s easy to configure, available in many many languages and the best of all: It’s platform-independent.

Full Story

Howto make Ubuntu to read feeds for you

Akregator is a KDE application for reading online news feeds. Install Akregator using the following command.

Full Story

Howto Turn Off Auto-Play of CDs,DVDs and iPods in Ubuntu

Ubuntu automatically starts playing audio or video discs when you insert them into CD/DVD drive.If you want to turnoff this use the following tip.

Full Story

How-To Recover password under Ubuntu

If you forgot you password for your ubuntu system you can recover using the following steps

Full Story

How to setup file-sharings/FTP for machines by newbie in 5 minutes

Lacking of good GUI tool, it is often a headache for newbies to setup the FTP service to transfer files among windows/linux/mac machines. Here we introduce a new powerful GUI server/client tool for you to easily solve this problem. You can use it on Linux, Windows, or Mac OS X, the same approach.

Full Story

How to create a transparent terminal session as your desktop background

Like my article on Conky, this is one of my favorite techniques to use on any Linux distribution. This technique - utilizing devilspie - will create a transparent terminal session on your desktop that will remain for the duration of your login (unless you exit the terminal session for some reason) This particular how-to addresses Ubuntu specifically, but I’ve done this successfully in 3 or 4 distributions.

Full Story

Howto Set Flickr images as Ubuntu desktop wallpaper

Webilder delivers stunning wallpapers to your Linux desktop, directly from Flickr and Webshots. You choose what keywords (tags) to watch for, and photos are automatically downloaded to your computer. Webilder can also change the wallpaper every few minutes.

Full Story

How to get PASV FTP to work behind a NAT router with ProFTPD

If you want to work with FTP server behind NAT use the following procedure.

Full Story

Howto Install Intel C++ Compiler 10 on Ubuntu Feisty Fawn

Intel® C++ Compiler Professional Edition offers the best support for creating multi-threaded applications. Only the Professional Edition offers the breadth of advanced optimization, multi-threading, and processor support that includes automatic processor dispatch, vectorization, auto-parallelization, OpenMP*, data prefetching, and loop unrolling, along with highly optimized C++ templates for parallelism, math processing, and multimedia libraries.

Full Story