Author Archives: Sifat
In Windows or Linux, no doubt, you have to download files from Internet. The practice of using Download Manager to manage the download is widely seen within sytem administrators. There are cases, they don’t know that they are using a download manager; though they use it. Windows users are very much aware of Dowload Managers to manage and, sometime, boost their download speed. But in Linux, due to low footprint, the ‘download manager’ concept is not that much popular. The main reason is that, a large portion of the admins are still prefer to use CLI instead of GUI and Download Managers are GUI friendly. In this article I will try to show you few CLI based download managers that can help you to understand and utilize it for your better productivity.
Perl is a such an administrative tool that no System Administrator can ignore it. And when you are hooked with Perl, CPAN () modules are absolutely must to meet your day to day demand from math function to html parsing or even from socket programming to parallel computing. There are many System Administration modules that you must to collect form CPAN library. There are multiple ways to add modules support with your Perl like downloading the modules from www.cpan.org and install them after meeting all pre-requisities or use perl CPAN shell to install them automatically, including dependencies. In this article I will show you how to prepare your Perl CPAN shell to install your desired modules. In Part-2 we will show some example to install the modules for your convenience.
Portable Linux is something that most of the System Administrators rely on to quickly fix a broken system or do some administrative work while on move. Any portable Linux runs on very low profile hardware, as low as 100MB space, 16MB Ram etc, that you may think now out-of order in modern computing world. There are also practices where systems without Hard Disk, Monitors are kept in a corner to perform very specific network task like Intrusion Protection System (IPS), Intrusion Detection System (IDS), Web Server, Mail Server, File Server etc with low security exposure. In these situation portable Linux is the prefered solution. Anyway, there are many other reasons of having a portable Linux in your pocket and that’s the reason of growing community of portable Linux.
In this article we will try you to show 5 best portable Linux that are popular in the community. Obviously, if you are a good System Administrator, you can make any Linux portable. But we are talking about typical portable Linux well-known as “Portable”.
If you are a Mac user and you are not aware of the news that Apple has released Mac OS X 10.8 with the name “Mountain Lion”, then definitely you are staying in a mountain without any facility of modern civil life on the Earth or you are staying in the Moon having not connectivity with the Earth. For Apple’s devices there are two major (excluding Server version) OS types Apple manage; iOS for for iPhone, iPad and iPod Touch and Mac OS X for desktop and note books. Considering future for a unified OS, this is first time with Mac OS X 10.8 Mountain Lion Apple transformed Max OS to iOS; though still they differ a lot with each other in looks and feel. In this article we will share some key features with our uses what really Apple brought with Mac OS X10.8 and how users can be benefited with it.
Our Recent article on CompTIA Linux+ certification got a huge interest among our readers and influenced us to share another Linux certification program that is more attractive and recognized in the industry. Certified Engineer (RHCE) is so far known as the best Linux certification program. This article is all about how you can achieve RHCE certification and move your career further improved as System Administrator.
Linux+ is the quickest way to prove your Linux skill to your employer, if you want to be a Linux expert in future.. Previously the certification was was managed completely by Linux Professional Institute (LPI) and now by The Computing Technology Industry Association (CompTIA). Now the certification is known as CompTIA Linux+ Powered by LPI. This is a high-stakes, vendor-neutral certification that validates the fundamental knowledge and skills required of junior Linux administrators.
The 1st Part of the article described some introductory discussion about ‘find’ with some useful examples. We hope you enjoyed it very much. In this article we are going to continue with examples with more practical situation. We will combine find’s capability with Linux’s pipe or Shell’s functionality to produce some very useful command-set for day to day System Admin work.
There are many reasons, you may need to find specific files. For any operating systems, there must have a utility to help the users to find specific files. Wildcard can help a bit to filter out file list for directory listing; but that cannot meet demand if you want to specify file type, size, create date, owner etc. Almost all UNIX and Linux give a file search utility named find. find is one of the very resourceful command that supports a wide range of parameters to use with and can be used with other commands to give better execution power. We will see more details below. Though find is available in UNIX and all Linux OSes, we are showing the examples from Linux and more specifically inLinux. But obviously, it will be same for any Linux.
This is a very small article that will help system admins to use ssh using PHP and do system admin work as demands. Before we go details, please take all of your necessary security measures before using the scripts and web site. Make sure the site is protected enough to allow only legitimate users to get the script’s access. Also make sure you are not allowing all kind of command to issue using the PHP scripts.
In our last episode of “Perl Scripting Tutorial for Beginners” we have talked about variables scoping, condition statements, iteration statements and most of the general purposes Perl operators. It was the continuation of the first part where we discussed about Perl’s basic syntax and variable types. In this article we will talk about basic File handling, Perl procedures/functions and Regular expression. And that will end the introductory articles. Let’s start!