Imagine ever wanted to avoid the hassle of typing in the password while connecting to servers using ssh? Here is a really simply neat trick that will demonstrate how easy it is to accomplish it so it does not ask for password. And as a bonus, you will notice that the connection is surprisingly much [...]
This tutorial will walk you through exporting a directory so that we can read from or write to it. I will make it really simple so that in emergency situations, you are good to go within a few minutes
Ever found yourself in need of knowing all or some specific incoming and outgoing network connections? There is this little utility that will just happily log inbound or outbound network conections based on rules you set up
There is this cool little that helps us create map of local area network. As a bonus, we get the mac and the IP addresses of all the devices in the network. It passively listens for all network traffic and creates a image file for the network map.
Recently I had to find mac addresses of all servers in the local area network (LAN) for preseeding Debian installations using PXE (I will soon write about it). Finding them is easy with nmap
Often times, we want to send log files or other emails from command line or want to script them. In this tutorial, I will show you how to do that using two mail clients mail and mutt.
There are times when we are faced with either making or burning iso images created by us or downloaded from internet. Most data CDs and DVDs can be accessed on multiple plateforms because they are created using the ISO9660 standard. Using the mkisofs command, we can make iso images from any file and directory structure [...]
Clonezilla is an open source disk imaging, cloning and backup software. It supports ext2, ext3, ext4, reiserfs, xfs, jfs of GNU/Linux, FAT, NTFS of MS Windows, and HFS+ of Mac OS. You can use it to clone single or multiple machines. It is more feature-rich than commercial Norton Ghost. In this video tutorial, I will [...]
Often times, we are faced with issues pertaining to DNS name resolutions. In this series of articles, I will explore different tools available in Linux that can help in DNS name resolutions. First we will look at the utility called host
At times, we need to install Perl modules that are not found in the official repository of a distribution. In that case, we have to revert to using cpan. CPAN stands for Comprehensive Perl Archive Network. It is an archive of over 16,000 modules of software written in Perl, as well as documentation for it. [...]