Install Fedora 22

This article presents how to install Fedora 22 – Live Workstation version.

I assume you have already downloaded Fedora 22 64 bit Live Workstation(about 1,37 G) and you know how to use VirtualBox 64 bit(100M). Create virtual machine with default settings for Linux Fedora 64 bit. 2GB ram and 64G(includes extra space for Oracle installations) for disk is enough plus increase video memory to 128M. Rest of options you can keep default.

Fedora22_1

Continue reading

Install Fedora 21

This article presents how to install Fedora 21 – Live Workstation version.

I assume you have already downloaded Fedora 21 64 bit Live Workstation(about 1,37 G) and you know how to use VirtualBox 64 bit(100M). Create virtual machine with default settings for Linux Fedora 64 bit. 2GB ram and 64G(includes extra space for Oracle installations) for disk is enough plus increase video memory to 128M. Rest of options you can keep default.

Fedora21_1

Continue reading

Install Oracle Linux 7 (OEL7)

This article presents how to install Oracle Enterprise Linux 7.

I assume you have already downloaded Oracle Enterprise Linux 7 64 bit(about 4 G) and you know how to use VirtualBox 64 bit(100M). Create virtual machine with default settings for Oracle Linux 64 bit. 2GB ram (I specified 4GB for future Oracle database software installation) and 64G for disk is enough plus increase video memory to 128M and turn on acceleration 3D. Rest of options you can keep default.

oel7_1

Continue reading

Install Suse Linux Enterprise Server 11 SP3

This article presents how to install Suse Linux Enterprise Server SP3 – service pack 3.

I assume you have already downloaded Suse Linux Enterprise Server SP3 64 bit(it’s about 4GB) and you know how to use VirtualBox 64 bit(100M). Create virtual machine with default settings for Suse openSuse 64 bit. 1GB ram(I set 4GB for future use) and 64G for disk is enough plus increase video memory to 128M and turn on acceleration 3D. Rest of options you can keep default.

Continue reading

Install Fedora 20

This article presents how to install Fedora 20. Check installation for next release Fedora 21.

I assume you have already downloaded Fedora 20 64 bit(about 4 G) and you know how to use VirtualBox 64 bit(100M). Create virtual machine with default settings for Linux Fedora 64 bit. 1GB ram and 32G for disk is enough plus increase video memory to 128M and turn on acceleration 3D. Rest of options you can keep default.

Fedora20_1

Continue reading

Configure SCAN DNS for RAC 11G RAC 12C using dnsmasq in OEL5, OEL6, OEL7

Configuration of network for virtualbox and RAC is always making a lot of trouble and raises many questions. In this article I’ll show how to setup network for RAC 11G, 12C using dnsmasq.

Objectives to complete:

  • full network setup for RAC
    • public network
    • private network
    • SCAN settings resolved by dnsmasq
  • full access to internet from each RAC hosts
    • internet network
  • configure dnsmasq

Continue reading

Change hostname OEL5/OEL6

In case you need to assign new name “new_host_name” for your host execute following steps

1. Modify “/etc/hosts” file to contain a fully qualified name for the server.

<IP-address>  <fully-qualified-machine-name>  <machine-name>

Enter following data to “/ect/hosts”

127.0.0.1     localhost.localdomain      localhost
192.168.0.50  new_host_name.dbaora.com   new_host_name

2. Modify “/etc/sysconfig/network” file

NETWORKING=yes
HOSTNAME=new_host_name.dbaora.com

3. Reboot your machine

Have a fun 🙂

Tomasz

 

 

Install Fedora 19

This article presents how to install Fedora 19.

I assume you have already downloaded Fedora 19 64 bit(about 4 G) and you know how to use VirtualBox 64 bit(100M). Create virtual machine with default settings for Linux Fedora 64 bit. 1GB ram and 32G for disk is enough plus increase video memory to 128M and turn on acceleration 3D. Rest of options you can keep default.

Fedora19_1

Continue reading

Install Centos Linux 6

This article presents how to install Centos 6.

I assume you have already downloaded Centos Linux 6 64 bit(about 3.5 G) and you know how to use VirtualBox 64 bit(100M) which is available on OTN. Create virtual machine with default settings for Centos Linux 64 bit. 1GB ram and 32G for disk is enough to run Centos 6 64-bit. Rest of options you can keep default – however I usually increase memory for graphic card to 128M, enable 3D acceleration and set processor to 2.

Continue reading

Install Centos Linux 5

This article presents how to install Centos 5.

I assume you have already downloaded Centos Linux 5 64 bit(about 3.5 G) and you know how to use VirtualBox 64 bit(100M) which is available on OTN. Create virtual machine with default settings for Centos Linux 64 bit. 1GB ram and 32G for disk is enough to run Centos 5 64-bit. Rest of options you can keep default – however I usually increase memory for graphic card to 128M, enable 3D acceleration and set processor to 2.

Continue reading