Saturday, June 04, 2016

How is dhclient is important while using VirtualBOX

Yes. its important if you want to have the internet connection for your Virtualbox.  For instance you have used the initial image with minimal and want to use yum later to upgrade then use the following steps

switch the user to root
run dhclient
Next use yum. if the commands are failing earlier will get passed.

This has killed me several hours of a day to understand and upgrade.

Thursday, June 02, 2016

Virtual box



This is the issue that I have also faced with latest Linux distribution

https://www.virtualbox.org/ticket/14866

http://www.tomshardware.com/answers/id-2539157/amd-8350-990fxa-ud3-virtualization.html


https://www.virtualbox.org/wiki/Linux_Downloads

This is the link that resolved me after 2 days of fight with installing Virtual box with Centos

https://www.virtualbox.org/wiki/Testbuilds


root@localhost Downloads]# ls
VirtualBox-5.0.21-107750-Linux_amd64.run
[root@localhost Downloads]# rpm -ivh VirtualBox-5.0.21-107750-Linux_amd64.run
error: VirtualBox-5.0.21-107750-Linux_amd64.run: not an rpm package (or package manifest):
[root@localhost Downloads]# ls -lrt
total 82080
-rw-rw-r--. 1 shankar shankar 84049363 Jun  4 00:41 VirtualBox-5.0.21-107750-Linux_amd64.run
[root@localhost Downloads]# file VirtualBox-5.0.21-107750-Linux_amd64.run
VirtualBox-5.0.21-107750-Linux_amd64.run: POSIX shell script text executable
[root@localhost Downloads]# chmod 777 VirtualBox-5.0.21-107750-Linux_amd64.run
[root@localhost Downloads]# ./VirtualBox-5.0.21-107750-Linux_amd64.run
Verifying archive integrity... All good.
Uncompressing VirtualBox for Linux installation.............
VirtualBox Version 5.0.21 r107750 (2016-06-03T10:12:49Z) installer
Installing VirtualBox to /opt/VirtualBox
Python found: python, installing bindings...
Building the VirtualBox kernel modules

VirtualBox has been installed successfully.

You will find useful information about using VirtualBox in the user manual
  /opt/VirtualBox/UserManual.pdf
and in the user FAQ
  http://www.virtualbox.org/wiki/User_FAQ

We hope that you enjoy using VirtualBox.

[root@localhost Downloads]# service vboxdrv setup
Stopping VirtualBox kernel modules                         [  OK  ]
Removing old VirtualBox pci kernel module                  [  OK  ]
Removing old VirtualBox netadp kernel module               [  OK  ]
Removing old VirtualBox netflt kernel module               [  OK  ]
Removing old VirtualBox kernel module                      [  OK  ]
Recompiling VirtualBox kernel modules                      [  OK  ]
Starting VirtualBox kernel modules                         [  OK  ]
[root@localhost Downloads]# 



Below links helped me a lot

https://wiki.centos.org/PhilSchaffner

Good link to trust and install the virtual box :

  • https://wiki.centos.org/HowTos/Virtualization/VirtualBox/CentOSguest
  • https://wiki.centos.org/HowTos/Virtualization/VirtualBox
  • https://www.youtube.com/watch?v=7pQIIQ-mY90
  • package-cleanup --quiet --leaves --exclude-bin | xargs yum remove -y
  • http://www.tecmint.com/install-virtualbox-on-redhat-centos-fedora/
 
AMD-V is disabled in the BIOS (or by the host OS) (VERR_SVM_DISABLED).

Result Code:
NS_ERROR_FAILURE (0x80004005)
Component:
ConsoleWrap
Interface:
IConsole {872da645-4a9b-1727-bee2-5585105b9eed}
  • Enabling Virtualization
  • http://askubuntu.com/questions/118006/amd-v-is-not-enabled-in-virtualbox-on-amd-apu









Thursday, December 01, 2011

Hot linux Job sites

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