Category: Linux

A collection of lesser known Linux commands

by Admin

From TecMint comes this series of articles…

Linux command line attracts most of the Linux Enthusiastic. A normal Linux user generally posses a vocabulary of roughly 50-60 commands to carry out their day-to-day task. Linux commands and their switches remains the most valuable treasure for a Linux-user, Shell-script programmer and Administrator. There are some Linux Commands which are lesser Known, yet very useful and handy irrespective of the fact whether you are a Novice or an Advanced User.

Now, we personally prefer to do as much as possible in a GUI, but for those of you that prefer the command line, this series is for you:

11 Lesser Known Useful Linux Commands – Part I
10 Lesser Known Linux Commands – Part 2
10 Lesser Known Commands for Linux – Part 3

Link: 5 commands to check memory usage on Linux

by Admin

Memory Usage

On linux, there are commands for almost everything, because the gui might not be always available. When working on servers only shell access is available and everything has to be done from these commands. So today we shall be checking the commands that can be used to check memory usage on a linux system. Memory include RAM and swap.

It is often important to check memory usage and memory used per process on servers so that resources do not fall short and users are able to access the server. For example a website. If you are running a webserver, then the server must have enough memory to serve the visitors to the site. If not, the site would become very slow or even go down when there is a traffic spike, simply because memory would fall short. Its just like what happens on your desktop PC.

Full article here (tip: if you see a block of run-on text at the top of the page, just skip it and continue on to the next paragraph):
5 commands to check memory usage on Linux (Linux.com)

Link: How To Set Up Tunlr DNS Under Linux To Access Netflix, Hulu, CBS, ABC, Pandora and More Outside The US

by Admin
Tunlr is a free DNS service that lets you use U.S.-based on-demand Internet streaming providers, such as Netflix, Hulu, CBS, MTV, ABC, Pandora and more, if you’re living outside the U.S. At the time I’m writing this article, Tunlr reports that the following streaming services are working:

  • US video streaming services: Netflix, Hulu, CBS, ABC, MTV, theWB, CW TV, Crackle, NBC, Fox, A&E TV, TV.com, Vevo, History, Logo TV, Crunchyroll, DramaFever, Discovery, Spike and VH1;
  • US audio streaming services: Pandora, Last.fm, IheartRadio, Rdio, MOG, Songza;
  • Non-US streaming services: BBC iPlayer (excluding live streams), iTV Player, NHL Gamecenter Live and TF1 Replay / WAT.tv (excluding “direct” stream).
In my test, Tunlr has worked as advertised, but there’s one issue: using Tunlr DNS permanently is not a good idea: for privacy/security reasons, speed and so on. Even the Tunlr FAQ page says you shouldn’t use the Tunlr DNS for every day web surfing. On Windows, there are some tools you can use to quickly switch the Tunlr DNS on/off, but there’s no such tool for Linux, so here’s how to properly use Tunlr under Linux.

Full article here:
How To Set Up Tunlr DNS Under Linux To Access Netflix, Hulu, CBS, ABC, Pandora and More Outside The US (Web Upd8)

Link: How to Setup your own Proxy Server for Free [Updated]

by Admin

Do a Google search like “proxy servers” and you’ll find dozens of PHP proxy scripts on the Internet that will help you create your own proxy servers in minutes for free. The only limitation with PHP based proxies is that they require a web server (to host and run the proxy scripts) and you also need a domain name that will act as an address for your proxy site.

If you don’t have a web domain or haven’t rented any server space, you can still create a personal proxy server for free and that too without requiring any technical knowledge.

YouTube Video Link: How to Create a Proxy Server

Full article here:
How to Setup your own Proxy Server for Free [Updated] (Digital Inspiration)

Link: Using Wireshark on Ubuntu

by Admin

Wireshark is a powerful open source network analyser which can be used to sniff the data on a network, as an aide to troubleshooting network traffic analysis, but equally as an educational tool to help understand the principles of networks and communication protocols.

Full article here:
Using Wireshark on Ubuntu (Make Tech Easier)

Link: PlayonLinux for Ubuntu/Linux Mint/other Ubuntu derivatives via PPA

by Admin

PlayOnLinux is a piece of software which allows you to easily install and use numerous apps and games designed to run with Microsoft Windows. Few apps and games are compatible with GNU/Linux at the moment and it certainly is a factor preventing the migration to this system. PlayOnLinux brings a cost-free, accessible and efficient solution to this problem.

playonlinux

Full article here:
PlayonLinux for Ubuntu/Linux Mint/other Ubuntu derivatives via PPA (Noobs Lab)

Link: How to put in pause any process in Linux

by Admin

Linux is much better at multitasking processor-intensive tasks than Windows. I remember how virus scanning used to make by old Windows PC almost unusable. Linux is much better, but sometimes bad things happens ! Perhaps a plugin of your browser is using all the CPU, or some bad software is freezing your system, or Apache it’s eating up all your resources on your server.

If you have seen some situation like these, don’t worry anymore, you don’t need to kill all the offending processes, restart your graphical session, or even worse restart the computer, you can simply put the specific process in “PAUSE” and analyse the situation, in some cases you could find the cause of a poor performing process, or just restart it in a second moment, maybe after you have saved all your works, when you can give to that process all the CPU.

Full article here:
How to put in pause any process in Linux (Linuxaria)

Link: How to install webmin on ubuntu 13.10 (Saucy Salamander) Server

by Admin

Webmin is a web-based interface for system administration for Unix. Using any modern web browser, you can setup user accounts, Apache, DNS, file sharing and much more. Webmin removes the need to manually edit Unix configuration files like /etc/passwd, and lets you manage a system from the console or remotely.

Full article here:
How to install webmin on ubuntu 13.10 (Saucy Salamander) Server (Ubuntu Geek)

Link: How to draw flowchart or diagram on Linux

by Admin

There are several well-known commercial flowchart and diagram software available, e.g., Visio on Windows, OmniGraffle on MacOS X. Then what about Linux? In fact, there are a couple of reasonably good Linux alternatives to Visio or OmniGraffle, for example, yEd, Dia, LibreOffice Draw, Pencil Project, etc.

In this tutorial, I will describe how to create flowchart or diagram with yEd graph editor on Linux.

Full article here:
How to draw flowchart or diagram on Linux (Xmodulo)

Link: Mosh – A replacement for SSH

by Admin

Mosh(mobile shell) is Remote terminal application that allows roaming, supports intermittent connectivity, and provides intelligent local echo and line editing of user keystrokes.

Mosh is a replacement for SSH. It’s more robust and responsive, especially over Wi-Fi, cellular, and long-distance links.

Mosh is free software, available for GNU/Linux, FreeBSD, Solaris, Mac OS X, and Android.

YouTube video link: Mosh: An Interactive Remote Shell for Mobile Clients

Full article here:
Mosh – A replacement for SSH (Ubuntu Geek)

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