Category : "General"

How to fix Virtualbox error “Kernel driver not installed (rc=-1908)” on Ubuntu

Virtualbox I recently installed the latest version of Virtualbox (4.3.12) by downloading the deb files from virtualbox.org on Ubuntu 14.04. The installation goes fine, but when trying to run Virtualbox, it reports the following error. Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. Please reinstall the kernel module ...

How to install Virtualbox guest additions on Ubuntu 14.04

After installing Ubuntu inside virtualbox, you need to install the guest additions to get better hardware functionality inside it. These include full screen resolution, mouse wheel and pointer integration, copy paste from host os (shared clipboard), shared folders etc. This tutorial shows you how to install VirtualBox guest additions in Ubuntu. The same method works for similar distros like Xubuntu, Kubuntu ...

How to setup Virtualbox guest additions on Fedora 20

Fedora 20 (Heisenbug) is currently the latest release and if you want to try it on VirtualBox then install the guest additions for full functionality. Installation is simple and takes a few steps, but involves download and updates which would require some bandwidth. 1. Update Fedora The first thing to do is to upgrade all packages and make the system uptodate. $ sudo yum ...

Install virtualbox guest additions on Debian 7 wheezy

Virtualbox guest additions in Debian Debian 7 wheezy has virtualbox guest additions inbuilt. So after installing debian on virtualbox the guest addition features are immediately available. However the guest additions bundled with debian is general of older version compared to the latest virtualbox version. So its a good idea to install the latest virtualbox guest additions. Here is a quick command that ...

Install virtualbox guest additions in Fedora 18

Virtualbox guest additions on Fedora If you are trying out fedora inside virtualbox then you need to install the virtualbox guest additions in order to get better hardware support like proper screen resolution, mouse scroller support and shared clipboard. Installing virtualbox guest additions on fedora 18 is pretty simple. First prepare the system by installing the following. Update all packages. $ sudo yum distro-sync Install ...

Redirect non-www url to www in nginx

Nginx Recently I was setting up nginx on my new server where this blog is being hosted. Nginx is very different from the more popular apache web server in many ways. It has an event driven architecture which makes it much faster and high traffic tolerant compared to apache. In apache the redirects used to be done with instructions in the htaccess ...

Generate ssh keys on windows 8

SSH If you are using an ssh client on windows to control a remote webserver and want to setup passwordless logins then you need to create ssh keys. The puttygen command from the putty suite can be used to generate keys in both putty and openssh formats. Download the puttygen program from the following url http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html Generate keys Now use the puttygen command to generate ...

Find the location of apache configuration file

Apache is a web server that is available for all major platforms. Each OS stores the apache in a different directory or path, due to which it takes some effort to find the configuration file when needed. For example Ubuntu and fedora store it in different locations inspite of both being linux. So here are some techniques to find the location ...

Install tor and vidalia on backtrack 5 rc3

Backtrack, the most popular linux distro for penetration testing, does not have tor by default. Hmmm, so we have to install it in it. Start a terminal and type the following commands to install tor quickly on backtrack. Check release First check your backtrack release version. Its based on ubuntu. root@bt:~# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 10.04.3 LTS Release: 10.04 Codename: lucid Check the codename, in this ...

Using client side ssl certificates in firefox and chrome

SSL certificates Some websites, specially restricted ones might require you to use a client side ssl certificate to open the pages. The certificate is used as an authentication factor, in place of username/password. When opening such websites in browsers, the browser must provide the ssl certificate. Over here we shall see how to do that in firefox. Setup in firefox 1. Open the ...

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