Archive for March, 2012

DrupalCon

Wow! DrupalCon was an unbelievable experience for Zunicore. It was amazing to see how integrated the Drupal community is and also to hear the great feedback about how Drupal developers take advantage of our Professional Cloud. Our team at the booth was overwhelmed by the surge in traffic at our booth and are extremely exited about heading back to DrupalCon next year.

We would like to give a huge “Thank You” to everyone we met at DrupalCon and an especially big show of gratitude to everyone who attended our dinner hosted with Standing Cloud!

Autoscaling

Why use Autoscaling

Zunicore Austoscaling is a feature which provides select operating systems the ability to dynamically add CPU cores and/or RAM as needed during load conditions.  When the load is removed, users are able to retire the Autoscaled CPU and/or RAM away manually so that users can save on compute resources.

What is Autoscaling

Zunicore has the ability to monitor running virtual images’ CPU and RAM load, and then to dynamically provide additional CPU and/or RAM to virtual images under load. The criteria for when Zunicore is to add the additional resources are set by the user.

For instance, Zunicore can be directed to add additional CPU cores at the rate of 25% (one fourth a CPU Core) per hour if the CPU load exceeds 60% for more than 15 minutes.

Many operating systems cannot accept added CPU or RAM without rebooting, and currently none are able to release unused resources without manually scaling resources down by the user.  To get around this limitation, Zunicore offers Autoscaling Load Balancers that allow additional virtual servers to be spun up and take load such as a burst of activity on a web site for instance and shutdown and remove servers when CPU or RAM load is gone.  While Autoscaling resources are used, the additional resources are billed hourly at a similar rate as normal non-Autoscaled resources, and those are in turn summarized on the monthly statement. Sign into your my.zunicore.com account to see our Load Balancing Knowledge Base article for creating a Load Balancer

Autoscaling is an ideal cost-control technique that allows a virtual image, like a web server subject to crowd-sourcing or other activity bursts, to automatically handle added load during peak hours.

Read the full guide  about enabling Autoscaling for your Zunicore Resources.

Cloudy with a chance of ‘Beach Party’

It’s that time of year again. The annual ‘Beach Party’ at SXSW. Join ServerBeach and friends at Austin’s hottest venue, Roial Nightclub for outrageous fun with free drinks, swag and more!

If you are in Austin for SXSW,   come Get Your Geek On and  make sure to catch the Zunicore team at the ServerBeach booth for the real fun 🙂

Access a Zunicore Linux Virtual Machine

At Zunicore Support , we receive a lot of inquiries from users wanting to know how they can access their  new Virtual Machine.

Depending on your Desktop Operating System, you can access the machine a number of ways. Zunicore Support recommends that you access your new Linux server by downloading and running the PuTTY application.

Make sure to read the full guide   about accessing your Virtual Machines for more details

Keeping the Clouds safe

I think we all have our own share of words on how we feel about spammers. Let’s assume cloud computing is like the realm of the Olympian Gods and Goddesses. We’re knowledgeable, fair and balanced, but we exile  those who disrupt the rhythm of the cloud. Spammers are to be cast to the limbo of the ocean from the clouds by Zunicore. What do you call 1,000 spammers at the bottom of the ocean? A good start!

Zunicore has an advanced internal security system to protect our client’s machines at all costs. If any type of unusual activity is detected, we are immediately notified by the Peer1 Abuse team. All clients’ credit cards are prescreened to filter out any initial fraudulent orders. In addition, if there is any type of abuse directed to a client’s system such as unsolicited spam, DDOS attacks or SIP attacks, the client will be notified instantly through our ticketing system with a full abuse report on the attack.

Cloud Security Concerns

When making the decision to move to the Cloud, a lot of enterprises are unsure how to secure their resources. The uncertainty of sharing resources or migrating all on-location resources to the Public Cloud weighs heavily on all enterprises’ decisions. How can enterprises guarantee that the cloud is the solution that is safest for them?

One way businesses can secure their resources is by not moving all resources into the Cloud. It might be a much safer decision to move only certain resources that need the flexibility and scaling the Cloud can offer. Enterprises should reconsider what resources would benefit the most from migration instead of moving ‘all’ resources to the Cloud.

See the entire article on Cloud security  and read Zunicore GM Greg Rusu’s suggestions about what businesses should consider when migrating to the Cloud http://www.growingbusiness.co.uk/security-issues-and-points-to-consider-when-cloud-hosting.html

Enable Peer 1 Nameservers for your FreeBSD cloud server

Zunicore is proud to offer our users the most dynamic server distro on the market : FreeBSD. FreeBSD has a long tradition of being recognized as one of  the most advanced  server Operating Systems available. The FreeBSD code has been supported for over 30 years and the FreeBSD team is  constantly striving for improvement to make sure FreeBSD will always be the first sever distro of choice for thousands of enterprises around the world.  Learn more about FreeBSD and how the distro can meet any of your  server’s needs

If you have recently provisioned a new FreeBSD template, you will soon notice that the Peer 1  nameservers are not added to your /etc/resolv.conf. If your FreeBSD template does not have the Peer 1 nameservers, your template will not be able to resolve domain names into IP addresses.

To correct this, you can quickly edit your /etc/resolv.conf  by adding the nameservers.

Read the entire Knowledge Base article about how to edit the configuration file

How to troubleshoot access to your Linux Virtual Server


Recently updated your Linux template with an #apt-get upgrade or #yum upgrade, edited your IPtables, or changed your networking configurations and now cannot access your cloud server?

Our Zunicore portal allows you to boot into  ‘Recovery Mode’  and begin diagnosing your cloud server. Rebooting in recovery allows users to boot a recovery image that can be used for troubleshooting a cloud server.

After rebooting your Virtual Machine, you can mount the server and investigate why the machine failed to boot into normal mode. Mount the drive by running #mount /dev/sdb1 /directory.

Now, you can investigate what updates you performed, what recent software you installed, and what possible configurations you made that is preventing you from accessing your cloud.

Check out Zunicore’s Tips and Tricks articles about recovering your Linux virtual servers


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