Posted on Tue 17, by mokumBy Roddy Rodstein 02/17/2015
This post is applicable to Oracle VM Release 3.x
One of the most critical baseline infrastructure requirements for a cluster of Oracle VM Servers is uniformity of configuration.
With Xen Project 4.5 released in January, we are now one month into 4.6 development window!
Mu name is Wei Liu and I have been working on various areas in the Xen Project community, including Linux kernel, hypervisor, QEMU and toolstack. Now I’m a co-maintainer of Xen hypervisor’s toolstack and the netback driver in Linux. I was elected release manager for 4.6 release. Thanks everybody for your trust.
February 19-22, 2015 has an assortment of great Xen Project talks.
Folks in Santa Rosa, CA at the Linux Foundation Collaboration Summit have two great talks:
By using –limit argument with ansible-playbook command we can exclude a host from playbook execution.
If hostname starts with “!” it will excluded from host execution.
Lets say if we want to exclude host1 and host2 from ansible-playbook execution use following command:
$ ansible-playbook --limit '!hoost1:!host2' yourPlaybook.yml
To exclude only host1 from execution use following command:
This is a nice Video to explain what is Hadoop in Youtube
netaddr is a Python library for representing and manipulating network addresses.
Installing netaddr library:
Use any of following command to install netaddr library
$ sudo pip install netaddr
$ easy_install netaddr
Observe following example for more details:
Those of you who follow me may have heard about this project I've created called mangos.
There is a very nice write up of mangos by Tyler Treat, which might help explain some things.