Feb 102014
 

At the end of 90`s Mandrake Linux was the most popular distribution out there. Most thing that are today said about Ubuntu where first said about Mandrake. It was the number one distro from 1998 util 2004. User friendly, easy to use, easy to install, lot of preinstalled software, most popular by new users and Mandrake made at that point most users to change on Linux. All that is today said about Ubuntu. Yeah, Mandrake had also free shipping for DVDs back then. But soon the empire started to fall apart. In 2004 Mandrake had died. In 2005 Conectiva, the company who bought Mandrakesoft announced and released Mandriva and in 2006 they fired Gael Duval. Duval was the author of Mandrake. The new distribution, Mandriva, was nothing like good old Mandrake and it made lot of users to change their system. Fast forward to 2014 and let us have a look on the legacy of Mandrake Linux. Last stable release of Mandriva was in 2011 and it was not really stable. But in last 10 years Mandriva inspired many users and developers and new distributions popped out. One of them is Rosa Linux. Rosa Linux is a Russian Linux distribution.

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Jan 212014
 

I received this article from Saska Dasgupta and gladly publish it.

I discovered the Linux and open source world around 4 years ago, and from that date I’m trying to know more open source software or projects.

I must say that they changed my life both as I started to use different software but the most important thing, in my opinion, is that I’ve discovered a different way to think to software and collaboration, or should I say understand what really means Free software ?

There are different open source software and projects, that I use in my work or at home and that in some way changed (in better) my life:

List of my top 10 open source software

  1. Miro Video Converter:If you want to switch over videos of any format to different formats, then this open source known as Miro Video Converter will be very useful for you. Miro is absolutely free and it is an open source video player and open source TV player where you can access the maximum number of HD content as compared to any other video player. It is also suitable for the Android devices or the iOS.I like this software as it’s really simple to use and allow me to change format of the video to see them on my mobile devices or my TV.
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Jan 192014
 

Article by Rahul Panwar first posted on http://linuxexplore.com/

A chroot on Unix operating systems is an operation that changes the apparent root directory for the current running process and its children. A program that is run in such a modified environment cannot name (and therefore normally not access) files outside the designated directory tree. The term “chroot” may refer to the chroot(2) system call or the chroot(8) wrapper program. The modified environment is called a “chroot jail”. From Wikipedia.

Why it is required? If you want to set up your Linux box as a web hosting server for its users, you may need to give SFTP access. But they can get access to whole system Linux tree, just for reading but still very unsecure. So it is mandatory to lock them in their home directory.

There are many other applications, it’s just a common example, so lets start its configuration.

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Jan 142014
 

Sometimes you need to clone partitions on your hard drive for various reasons, hd damaged, creating a RAID 1 or something similar, then it is often tedious and impractical to perform the operation using the normal tools like fdisk, in this case you can use sfdisk.

As reported in the manual:

sfdisk is a non-interactive program to edit the partition table, which is useful for creating scripts. The normal use of this service program involves the preparation of a file containing the instructions on the partitions to be created within a disk specified explicitly. Even if there is a special syntax for these instructions, it may be convenient to use since it is obtained from a query with the same sfdisk, as will be shown.

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Jan 132014
 

I use ssh everyday and it’s my main tool to connect and manage servers, so I’m always interested in articles about ssh.
Today I present an interesting article on this subject, written by Corey Quinn and posted on the sysadvent blog

Every year or two, I like to look back over my client’s SSH configuration file and assess what I’ve changed.

This year’s emphasis has been on a few options that center around session persistence. I’ve been spending a lot of time on the road this year, using SSH to log into remote servers over terrible hotel wireless networks. As a result, I’ve found myself plagued by SSH session resets. This can be somewhat distracting when I’m in the midst of a task that requires deep concentration— or in the middle of editing a configuration file without the use of screen or tmux.

ServerAliveInterval 60

This triggers a message from the client to the server every sixty seconds requesting a response, in the event that data haven’t been received from the server in that time. This message is sent via SSH’s encrypted channel.

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