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I have a site that accumulated high traffic so Im thinking of moving to VPS hosting.
but I am a complete newbie with linux. so I have some questions:
what is the recommended OS for VPS? most searches show CENTOS or
Debian.
What platform is recommended? 64bit / 32bit ?
what are the basic installation necessary for an operational VPS (web server) ?
what are the extra recommended installation?
I want to first try to install locally on virtualbox, so any suggestions for a good guide will be appreciated.
10x.
What is the recommended OS for VPS? most searches show CENTOS or
Debian.
Both CentOS and Debian are excellent operating systems, if you choose either of them, you won't go wrong. Debian is certainly rocksolid OS with great security track-records. However, Since you are new with Linux machines, you would need some sort of control panel to manage the Linux machine.Hence, I would recommend CentOS box with cPanel for easy startup.
What platform is recommended? 64bit / 32bit ?
Of course 64 Bit Operating system.
what are the basic installation necessary for an operational VPS (web
server) ? What are the extra recommended installation?
cPanel will include all necessary tools and software to run web server. However, if you wish you can install firewall or other required tools through terminal. Also, you can try out CentOS in virtual box easily, for cPanel, you would need license and static IP address.
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I have to install mosquitto MQTT on Linux server. I searched on internet and found most of the documents explain how to install in on Linux OS or windows OS. My ask is how to install it in Linux server. Which directory, I need to use and how to do?
Linux OS and Linux Server are two similar things. At least on this level of needs which is just installing an application.
At the first I'd recommend you to read some Linux tutorial, at first glance something like this. There you get the knowledge that installing programs into Linux quite depends on Linux distribution you currently use. And, when you are not compiling the source code of a program, you can not usually affect the destination directory - Linux has the different philosophy of folders than Windows and usually you don't install the program to one directory in some root but to many of them (bin, lib, share, ...). But in minority also some installers exists and you can affect the top level destination directory using them. I am not sure what kind of attitude chose Mosquito MQTT.
At the second I've read the Mosquito MQTT Download page and it seems that the easiest way ( ! but I am not sure if the desired in your company environment ! ) is to install snap via the packaging system of your Linux distribution and just run the recommended snap install mosquitto. And if the snap package is build reasonably, you will have your application installed and ready to run and configure.
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What's the difference between
1.installing Ubuntu and changing its desktop to KDE or direct installing kubuntu
2.installing Ubuntu and changing its desktop to XFCE or direct installing xubuntu
3.installing Ubuntu and changing its desktop to LXDE or direct installing lubuntu
4.installing Ubuntu and changing its desktop to mate or direct installing Ubuntu mate
5.installing Ubuntu and changing its desktop to gnome or direct installing gubuntu
Please help... I am confused..
They're all Ubuntu-based distros with different tweaks. Each distro runs on the same Linux kernel, so they're the really same for most intents and purposes. The obvious difference, as you have stated, is the desktop manager installed on each one, so a different look and feel. However, each of them also comes with different packages pre-installed. Each distro may ship with different video viewers, photo viewers, email clients, photo editors, and so on.
Each one will also consume different amounts of RAM, CPU, and power.
For more information, this post has very good tables and graphs to compare the distros: http://mylinuxexplore.blogspot.com/2014/11/ubuntu-1410-vs-kubuntu-1410-vs-xubuntu.html
This question should probably be asked on https://askubuntu.com/ but i'll answer it anyway. When installing Ubuntu you are greeted with a unity desktop meaning that all the unity package dependencies have been installed. If you were to install KDE on ubuntu (which is totally fine) you would still be left with unity desktop installed on your system. This is not ideal for computers with low storage or resources which is why different flavours of ubuntu have been released, aka kubuntu, ubuntu MATE. When installed these operating systems will only include the packages needed to run their own desktop (among other things like apt)
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My question is related to my grade project. Its about mobile video transmission using DVB-H link layer. Its a comprehensive project itself, and there are separate parts. I mainly construct system in Matlab Simulink, but there is one part, responsible for encapsulation/decapsulation of the stream packet, which was designed in Linux environment.
I didn't want to install new OS just for one application, so I run Linux on VMware Player as a virtual machine. So here is my problem - the applications (for encapsulation and decapsulation) won't compile (install) completely. I see mainly missing library problems. I tried to install necessary libraries, but the original application still couldn't see some of them. I feel like I'm missing something small, but clear to rather experienced Linux user. Here is the link to the programs
http://sp.cs.tut.fi/mobile3dtv/download/
"DECAPS - DVB-H Decapsulator Software" is the one (and FATCAPS link is there).
I couldn't find alternative encapsulator/decapsulator in for Windows environment. Its my last and only choice. If please some of the Linux users could try to run them in Linux environment, maybe its because I'm using virtual machine? Its also noted that the application was designed for Debian based systems, but I also did install Debian as a virtual machine and application won't even configure. Please help, guys, I'm really stuck here.
You'll probably need to install the development versions of the libraries -- under Debian, the'll be named the same as the original package, but with a "-dev" suffix.
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I am a Windows 7 user and now I want to use linux. However I am beginner for linux. Currently I have linux mint in a usb and load it from there. The problem is, it doesn't save stuff like everytime I have to enter my wifi password, or change the default search to google, etc etc. Now I am thinking of installing ubuntu alongside windows. Now after googling a little I realized that I can do it in 2 ways: Using a windows installer, or Using something called a virtual box. My question is, which option should I choose and why? What is a virtual box anyway? Also, is this the right link? I need the 64 bit version. Shall I choose the first one?
virtual box allows you to run an OS over the one you are currently working in. You must download virtual box for windows those links are for linux,ubuntu etc.. You might wanna use http://dlc.sun.com.edgesuite.net/virtualbox/4.3.6/VirtualBox-4.3.6-91406-Win.exe link instead.
The issue with a virtual machine is that it is running your native OS and another "virtual" OS; as you can imagine, this can be slow. Booting up your virtual OS also takes longer seeing as you functionally need to boot two OSs rather than one.
In terms of dual booting (installing an OS alongside your native OS -- in this case Windows), the resultant OS typically will run faster and won't be bogged down as much. If you have a lot of RAM you might not notice the speed loss though. That being said, it is much easier to install multiple virtual machines than it is to install multiple OSs; your hard drive won't be chaotically partitioned since virtual machines don't need separate partitions.
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So i know how to SSH into a box and create/modify directories etc. However I do want to know how I can open the exact GUI (For instance I want the Fedora environment that I have on my virtual machine) to open up. Meaning I need to be able to simply see my linux environment. Would anyone know how I can achieve this?
I am using a mac.
I'm presuming you want to see the gui you are running on the vm, which won't really help you here. You have a couple of options:
If you are running linux (or an X server like xceed) on the machine you are actually using, then you can enable X forwarding in ssh (-X on the command line) and then run your window manager from there.
Alternatively, you could look at installing a vnc server on your linux machine (I'd recommend tightvnc) and your host and connecting that way.
Either way this would be getting you a fresh desktop rather than what is visible on the console of the machine.
For the specific case of a virtual machine, as you mentioned, both vmware and virtualbox (I'm guessing you are using one of those) provide either vnc or rdesktop head support; you can then use either a vnc client or windows remote desktop client to connect to the actual console. In this instance this is probably what you want to do.
Set up a VNC server on your Linux machine, it can provide you with a desktop environment.