Wednesday, March 13, 2013

What is the best Linux operating system?

Q. I am a bit new to this Linux but I've heard about it and I want to try it out. Which operating system should I download? I've heard of Ubuntu, is it any good?

A. I thoroughly recommend Linux Mint 9 Main Edition which is built upon Ubuntu 10.04 Its easy to install and easy to use plus it comes with much of the software you are likely to need preinstalled

Linux Mint 9 Download
http://www.linuxmint.com/edition.php?id=52

The Perfect Desktop - Linux Mint 9 (Isadora)
http://www.howtoforge.com/the-perfect-desktop-linux-mint-9-isadora

Linux Mint 9 User Guide Download pdf.
http://www.linuxmint.com/rel_isadora.php

You download the ISO. image of Linux Mint 9 then you need to create a Bootable LiveCD for installation

Linux Mint 9 can also be run direct from the LiveCD from Booting up without touching your Hard Drive

Also worth considering :

Fedora Remix (Fedora with elements of Linux Mint)
http://fcoremix.wordpress.com/2010/05/25/lucky-13/
http://iso.linux.hr/community-fedora-remix/
http://docs.fedoraproject.org/en-US/Fedora/13/html/User_Guide/

Again Fedora Remix can be run direct from the LiveDVD without touching your Hard Drive

Also you can try out as many different Linux distros. as you like on LiveCD until you find the one thats right for you DISTROWATCH.COM gives full listings (second lists the major distributions)
http://distrowatch.com/

Major Linux Distributions
http://distrowatch.com/dwres.php?resource=major


LUg.

What is the difference between Linux and Ubuntu?
Q. Or is it the same thing? I don't really know anything about Linux and Ubuntu so I just wanted to find out some of this stuff before I get the OS on my computer.

A. Linux is the Kernel. All Linux Distros. (Distributions) including Ubuntu are built upon the Linux Kernel
http://en.wikipedia.org/wiki/Linux_kernel

I thoroughly recommend Linux Mint 9 Main Edition which is built upon Ubuntu 10.04 Its easy to install and easy to use plus it comes with much of the software you are likely to need preinstalled

Linux Mint 9 Download
http://www.linuxmint.com/edition.php?id=52

The Perfect Desktop - Linux Mint 9 (Isadora)
http://www.howtoforge.com/the-perfect-desktop-linux-mint-9-isadora

Linux Mint 9 User Guide Download pdf.
http://www.linuxmint.com/rel_isadora.php

You download the ISO. image of Linux Mint 9 then you need to create a Bootable LiveCD for installation

Linux Mint 9 can also be run direct from the LiveCD from Booting up without touching your Hard Drive

Also worth considering :

Fedora Remix (Fedora with elements of Linux Mint)
http://fcoremix.wordpress.com/2010/05/25/lucky-13/
http://iso.linux.hr/community-fedora-remix/
http://docs.fedoraproject.org/en-US/Fedora/13/html/User_Guide/

Again Fedora Remix can be run direct from the LiveDVD without touching your Hard Drive

Also you can try out as many different Linux distros. as you like on LiveCD until you find the one thats right for you DISTROWATCH.COM gives full listings (second lists the major distributions)
http://distrowatch.com/

Major Linux Distributions
http://distrowatch.com/dwres.php?resource=major


LUg.

What is a Linux shell script used to verify/track user activity on a network?
Q. I would like to use a script that will verify that no users are logging in or log in after hours. It will keep track of all user activity and/or report any unauthorized users from gaining access to the network.

A. It's not particularly elegant, but you can create an /etc/nologin file (including a denial message in it if desired) and then set up a cron job to move or rename it to allow/disallow access at certain times.

If the file exists, it does not allow remote connections (any, including root, as far as I'm aware, so take care ). To prevent complete remote lockout, the file is deleted by the system upon startup if it exists.

If you need actual access control lists, this is not the method for you. If you have a couple users, you can create dual /etc/passwd files and change the un-authorized user login shells to /sbin/nologin (Fedora/RH/CentOS) or /bin/false (Debian/Ubuntu). Maintaining that for more than a couple becomes a chore though, and if you need to do this on a larger or long-term basis, there are better, non-script solutions.



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