Fedora 20: ifconfig missing on minimal install

  If you have selected the minimal install option you might be surprised by just how minimal it is; one example is that the ifconfig command is not available. The command yum install ifconfig doesn’t work – it’s part of another broader package. We can find out which one that is by running:
yum provides ifconfig
  Through that we can see that the net-tools package installs it. Run:  
yum install net-tools
  …and you should be able to now use ifconfig.

How to install additional CentOS packages on XenServer 6.2

  While it is unsupported, it can sometimes be quite handy to install additional packages on your XenServer 6.2 system – things like vim, iptraf, perhaps even denyhosts. By default extra packages you wish to install are likely disabled, but using yum we can temporarily allow access to the CentOS packages. Logging in as root and using yum we can:  
yum –enablerepo=base –disablerepo=citrix install [packagename]
As an example, using denyhosts:
yum –enablerepo=base –disablerepo=citrix install denyhosts
Doing this is totally unsupported and, depending on the package(s) installed may break the entire XenServer install – so experiment at your own risk!


  To install a package on Fedora via the command line, we use the yum command like so:  
yum install [package]
  Using tmux as an example:  
yum install tmux
Loaded plugins: langpacks, refresh-packagekit Resolving Dependencies –> Running transaction check —> Package tmux.x86_64 0:1.8-3.fc20 will be installed –> Finished Dependency Resolution Dependencies Resolved =========================================== Package        Arch             Version                 Repository        Size =========================================== Installing: tmux           x86_64           1.8-3.fc20              fedora           243 k Transaction Summary =========================================== Install  1 Package Total download size: 243 k Installed size: 558 k Is this ok [y/d/N]:
  You can see that the yum command provides some useful information about the package you have asked it to install. If you are happy with the information provided you can install with “y” or cancel with “n”.

How to install XenServer 6.2 – Step By Step

  With the recent public availability of XenServer 6.2 there are an increasing number of people wanting to try it; here is a walk-through of an install so that you know what to expect if you want to try it yourself. In this example we are using a NFS datastore on the network to store VM files. First, burn the ISO installer to a CD and boot to it:   xen-000   Continue reading “How to install XenServer 6.2 – Step By Step”

ZFS basics: Installing ZFS on Ubuntu

For those who don’t want to use Solaris or FreeBSD as their ZFS platform Ubuntu now seems a valid option; installation is now relatively straightforward. Please note, though, that you should be running a 64-bit system – ZFS on Ubuntu is not stable on a 32-bit system. Open up a terminal and enter the following:  
sudo add-apt-repository ppa:zfs-native/stable
sudo apt-get update
sudo apt-get install ubuntu-zfs
…and that’s it! From here you can begin to use the filesystem by creating a pool or importing an existing pool. Many people find Ubuntu an easier system to manage compared to Solaris or FreeBSD so it’s good news that it now appears to be a stable implementation, despite being technically a release candidate.