Creare Masina Virtuala noua

How to install Ubuntu Linux on VirtualBox in Windows 10

Installing Linux inside Windows using VirtualBox

VirtualBox is free and open source virtualization software from Oracle. It enables you to install other operating systems in virtual machines. It is recommended that your system should have at least 4GB of RAM to get decent performance from the virtual operating system.

Requirements

  • Good internet connection to download software and Linux ISO. (You can also use some other computer with an internet connection to download these files.)
  • Windows system with at least 12 GB of free space.
  • Windows system with 4GB of rRAM. (It can work with less RAM as well, but your system will start to lag while using Linux in the virtual machine.)

Step 1: Download and install VirtualBox

Go to the website of Oracle VirtualBox and get the latest stable version from here:

Download VirtualBox

Installing VirtualBox is not rocket science. Just double-click on the downloaded .exe file and follow the instructions on the screen. It is like installing any regular software on Windows.

Step 2: Download the Linux ISO

Next, you need to download the ISO file of the Linux distribution. You can get this image from the official website of the Linux distribution you are trying to use.

I am using Ubuntu in this example, and you can download ISO images for Ubuntu from the link below:

Download Ubuntu Linux

Step 3: Install Linux using VirtualBox

You have installed VirtualBox and you have downloaded the ISO for Linux. You are now set to install Linux in VirtualBox.

Start VirtualBox, and click on the New symbol. Give the virtual OS a relevant name.

Allocate RAM to the virtual OS. My system has 8GB of RAM and I decided to allocate 2GB of it. You can use more RAM if your system has enough extra.

Create a virtual disk. This serves as the hard disk of the virtual Linux system. It is where the virtual system will store its files.

I recommend using the VDI file type here.

You can choose either the “Dynamically allocated” or the “Fixed size” option for creating the virtual hard disk.

The recommended size is 10 GB. However, I suggest giving it more space if possible. 15-20 GB is preferable.

Once everything is in place, it’s time to boot that ISO and install Linux as a virtual operating system.

If VirtualBox doesn’t detect the Linux ISO, browse to its location by clicking the folder icon as shown in the picture below:

Soon you’ll find yourself inside Linux. You should be presented with the option to install it.

Things from here are Ubuntu-specific. Other Linux distributions may have slightly different looking steps, but it won’t be complicated at all.

You can skip to Continue.

Select ‘Erase disk and install Ubuntu’. Don’t worry. It won’t delete anything on your Windows operating system. You are using the virtual disk space of 15-20GB that we created in previous steps. It won’t impact the real operating system.

Just click on Continue.

Things are pretty straightforward from here.

You are almost done. It may take 10-15 minutes to complete the installation.

Once the installation finishes, restart the virtual system.

[mai mult...]

Virtualizarea nativa linux: kvm, virsh si interfata grafica virt-manager

Virtualizarea nativa linux se bazeaza pe KVM si QEMU. Amandoua se folosesc una de alta si au la baza o librarie comuna libvirt: https://en.wikipedia.org/wiki/Libvirt

Unde se termina KVM si unde incepe QEMU este greu de precizat unul se completeaza pe celalalt. O caracteristica este aceea ca QEMU poata virtualiza si alta arhitectura (o masina virtuala arm de exemplu poate rula pe arh. Intel/AMD) iar KVM poate virtualiza numai aceeasi arhitectura. QEMU fiind mai complex este mai lent dar cu optiunea -enable-kvm poate rula mult mai repede – fireste pe aceeasi arhitectura.

[mai mult...]

Instalare Windows XP Mode in Windows 7

De multe ori exista programe sau aplicatii care functioneaza numai pe Windows XP, pentru ca numai pentru acest sistem de operare ai drivere. Atunci daca ai instalat pe desktop sau laptop Windows 7 Professional, Enterprise sau Ultimate pentru a folosi aplicatiile respective se poate instala Windows XP Mode.

[mai mult...]

Cum sa creezi o masina virtuala care ruleaza Android folosind Genymotion

Acum este simplu și ușor sa folosești sistemul de operare Android pe laptopul sau PC-ul tău. Am sa va prezint o soluție simpla care se numește Genymotion. Programul crează o mașină virtuala cu ajutorul softului Oracle VirtualBox Manager și prezintă o fereastra cu sistemul de operare android.

Pentru a descarca programul Genymotion vom accesa următorul link.

[mai mult...]

Nameservere DHCP VirtualBox pentru retea NAT

VirtualBox este un mediu ideal pentru testarea retelei cu diferite tool-uri, precum opDNS. Cu toate acestea, nu am reusit sa fac VirtualBox DHCP server pentru retele NAT sa imi furnizeze informatii referitoare la namservere, nici macar atunci cand clientul cere acest lucru. O solutie simpla ar fi urmatoarea. Cu VirtualBox updatat la 4.3.24, am incercat sa setez o retea NAT, in care toti vizitatorii (guests) atasati ei si host-ul pot comunica lejer, find capabili sa acceseze internetul prin intermediul NAT – setarea perfecta pentru testarea retelei. Cu toate acestea, OSX Yosemite-ul meu (10.10.2-based MAC) nu a furnizat adresa nameserver-ul DNS ului local catre masinile virtuale (vizitatorii).

Ca si rezultat, /etc/resolv.conf a ramas gol (cu exceptie comentariile “automatically generated–do not change” – style comments)

 

[mai mult...]