If you're looking for OpenStack Interview Questions for Experienced or Freshers, you are at right place. There are lot of opportunities from many reputed compan…
Database monitoring can be quite complex, and depending on your deployment or experience, monitoring may already be set up. MySQL Server is the MySQL …
When monitoring the OPENSTACK STORAGE SERVICE, Swift, we are looking at gathering key metrics from within the storage cluster in order to make decisions on its …
The health of the underlying infrastructure operating our on-premise cloud solution is important, but of equal importance is to understand the metrics…
Munin the monitoring tool surveys all your computers and remembers what it saw. Munin Monitoring System is one of the popular computer system, network and infra…
Introduction There are a number of ways to monitor computer systems and their services, but the principles remain same. Adequate monitoring and alert…
This tutorial gives you a complete description and steps to Troubleshooting OpenStack Authentication and Troubleshooting OpenStack Networking Table…
Troubleshooting OpenStack Object Storage services OPENSTACK STORAGE SERVICE (SWIFT) is built for HIGHLY AVAILABLE STORAGES, but there may be times wh…
OPENSTACK COMPUTE SERVICES are complex, and being able to diagnose faults is an essential part of ensuring the smooth running of the services. Fortunately, Open…
OpenStack provides tools to check on its services. In this section, we’ll show you how to check the operational status of these services. We will also use commo…
Introduction OpenStack is a complex suite of software that can make tracking down issues and faults quite daunting to beginners and experienced system administ…
The reference architecture includes bonded network interfaces, which use multiple physical network interfaces for better redundancy and throughput. Running mult…
This recipe represents two nodes running both GLANCE and Keystone, controlled by Pacemaker with Corosync in active/passive mode, which allows for a failure of a…
Deploying Highly Available OpenStack OpenStack has been designed for highly scalable environments where it is possible to avoid single point of failures (SPOFs…
Once you have created and enabled the policy, nodes will begin to install. This may or may not take a long time depending on the size of your system. Razor prov…
At this stage, you will have a functioning OPSCODE CHEF SERVER, as well as a PUPPETLABS RAZOR ENVIRONMENT, so we can now begin to configure our OpenStack enviro…
There are a number of provisioning systems, such as Cobbler, Kick-start, and Ubuntu’s own MAAS, to provision an operating system such as Ubuntu to bare-metal. I…
Introduction OpenStack is a large and fast moving project. It is a cloud operating system that provides support for provisioning large networks of virtual mach…
Openstack Dashboard is a lot more than just an interface to our instances. It allows an administrator to configure environments, Users, and tenants. Tenants are…
Openstack Dashboard has a very handy feature that allows a user to connect to our running instances through a VNC (Virtual Network Console) session within our W…
Using OpenStack Dashboard to launch instances Instances are virtual machines that run inside the cloud. Launching instances are easily done, using t…
Using OpenStack Dashboard for key management SSH keypairs allow users to connect to our Linux instances without requiring to input passwords and is the default…
Introduction OpenStack is an open source framework that makes cloud computing easier with its wide variety of software tools and virtual servers. …
You create an external network to enable private networks in the cloud to communicate with the wider network. In a cloud, a tenant can have one or more private …
Creating a Neutron network Now that we have our OpenStack network configured for Neutron, we can now use this to create networks within our OpenStack environme…
The compute node handles connectivity and security groups for instances. With the network node configured, there are some services that need to run our Compute …
With our MySQL Galera cluster configured, each of the nodes is able to take traffic, and the writes are seamlessly replicated to other nodes in the cl…
Creating a sandbox server for running the Openstack Network Neutron services is easy using VirtualBox and Vagrant. VirtualBox gives us the ability to…
Manually associating floating IPs to instances OpenStack Networking allocates floating IP addresses to all projects (tenants) from the same IP ranges. Where fl…
OpenStack Networking provides a rich tenant-facing API for defining network connectivity and addressing in the cloud. The OpenStack Networking project gives ope…
What is OpenStack Networking? OpenStack is a collection of software tools that help to build and manage cloud computing platforms for storage, com…
At some point, you will no longer need the volumes you have created. To remove the volumes from the system permanently, so that they are no longer available, we…
Since Cinder Volumes are persistent storage and the best way of thinking of them is as a USB drive, this means that you can only attach them to a sing…
This procedure details the steps involved in attaching a Cinder volume to an existing compute instance using the cinder and nova command line interfaces. Now th…
We now need to tell our OpenStack Compute service about our new Cinder volume service. Getting ready As we are performing this setup in a multi-node…
Introduction Data written to currently running instances on disks is not persistent—meaning that when you terminate such instances, any disk writes will be los…
OpenStack Object Storage can report on usage metrics by using the swift-recon middleware added to our object -server configuration. By using a tool, also name…
Openstack Object Storage won’t be of much use if it can’t access the hard drives where our data is stored; so being able to detect and replace failed hard drive…
Converse to adding capacity to our OpenStack Object Storage cluster, there may be times where we need to scale back, or remove a failed node for service. You ma…
Introduction In recent days, the IT landscape has seen dramatic changes and development. There are many IT platforms like DevOps, Cloud Service…
Understanding the capabilities of your OpenStack Object Storage environment is crucial to determining limits for capacity planning and areas for performance tun…
Introduction Day-to-day administration of our OpenStack Object Storage cluster involves ensuring the files within the cluster are replicated to the r…
Now that we have configured OpenStack Object Storage, we can also retrieve the stored objects using our swift client. Getting ready Log in to a comp…
When using cloud storage, such as OpenStack Swift, at some point you might face a situation when you have to upload relatively large files (i.e. a couple of …
A container can be thought of as a root folder under our OpenStack Object Storage. In the OpenStack dashboard, you can only manage containers and obje…
OpenStack Object Storage (OOS) is a highly available, distributed, eventually consistent object/blob store. OpenStack Object Storage (swift) is a service that p…
The OpenStack Object Store is a facility that lets applications store and retrieve binary objects using the RESTful methods of the Swift API — this scales bette…
You can configure the dashboard for a simple HTTP deployment. You can configure the dashboard for a secured HTTPS deployment. While the standard installation us…
The rings determine where data should reside in the cluster. There is a separate ring for account databases, container databases, and individual object storage …
Object Server contains the actual objects seen in our OpenStack Object Storage environment and configuration of this is similar to configuring the Account Serve…
Introduction to OpenStack OpenStack is an open source platform, which offers powerful virtual servers and required services for cloud computing. It i…
Container Servers contain Object Servers seen in our OpenStack storage environment. The configuration of this is similar to configuring Account Server. Account …
Proxy server is a component that accepts OpenStack Object storage API and raw HTTP files to accept upload files, modify data and to create containers. Clients c…
Introduction OpenStack Object Storage, also known as Swift, is the service that allows massively scalable and highly redundant storage on commodity hardware. T…
Instances are nothing but running virtual machines within the Openstack cloud. Cloud environments are designed to be dynamic and this implies that Cloud instanc…
When you launch a virtual machine, you can inject a keypair. Keypairs refers to SSH keypairs and consist of two elements—a public key and a private key. The mos…
Security group is one of the greatest feature of OpenStack. A common new-user issue with OpenStack is failing to set an appropriate security group when launchin…
When troubleshooting issues with the Compute service you may have a need to stop or start one or all of the Nova services. So, now that we have configured our O…
Installing and configuring OVS for Neutron To create a Software Defined Network layer in OpenStack, we first need to install the software on our Network node. …
Configure Compute Node OpenStack Compute is used to host and manage cloud computing systems. OpenStack Compute is a major part of an Infrastructure-as-a-Servic…
Configure Database Services Each of the core OpenStack services (Compute, Identity, Networking, Block Storage) store state and configuration information in d…
Create Sandbox Environment Creating a sandbox environment by using VirtualBox and Vagrant allows us to discover and experiment with the OpenStack Co…
Create a Sandbox Compute Server Creating a sandbox server for running the OpenStack Compute services is very easy using VirtualBox and Vagrant. It allows us to…
Installing OpenStack Identity service The OpenStack identity service performs the following functions: 1. Tracking users and their permissions.2. Pr…
OpenStack Installation – Compute Controller Services Compute is a collection of services that enables you to launch virtual machine instances. Genera…
Configuring Ubuntu Cloud archive ‘Ubuntu 12.04 LTS’ the phrase used throughout this particular article, provides two repositories for installing OpenStack. The…
Image sharing among Tenants In OpenStack , images are often characterized as ‘virtual machine templates’ . When the image you shared is private , then it can b…
Creating OpenStack tenant In OpenStack we have several projects where ‘tenant’ is one of them, which is a must for the users and hence is assigned to them. In …
Register the Remotely Stored Image Images are predominantly standard installation media such as ISO images. Several pre-made images exist and can easily be imp…
Configuring OpenStack roles A role is a nothing but a personality that a user assumes while performing a specific set of operations. A role includes a set of r…
Manage Images As an administrative user, you can create and manage images for the projects to which you belong. You can also create and manage images…
Adding users The Identity service provides authentication services for each OpenStack service. The authentication service uses a combination of DOMAI…
Creating the Service Tenant and Service Users After you install the Identity service, create tenants (projects), users and roles for your environment…
If you are looking for OpenStack Interview Questions And Answers for Experienced 2018, you are at right place. Here Mindmajix sharing a list of 15 interview que…
Cloud technologies like Azure, AWS or Google Cloud provide a lot of capabilities, although they leave a crack which OpenStack is leading a platform in the cloud…
OpenStack Object Storage OpenStack Object Storage (OOS) is a highly available, distributed, eventually consistent object/blob store. OpenStack Object…
This tutorial gives you a complete description and steps to create an openstack sandbox environment. OpenStack Sandbox is an easy way to use openstack…
If you're looking for OpenStack Interview Questions for Experienced or Freshers, you are at right place. There are lot of opportunities from many reputed compan…
Database monitoring can be quite complex, and depending on your deployment or experience, monitoring may already be set up. MySQL Server is the MySQL …
When monitoring the OPENSTACK STORAGE SERVICE, Swift, we are looking at gathering key metrics from within the storage cluster in order to make decisions on its …
The health of the underlying infrastructure operating our on-premise cloud solution is important, but of equal importance is to understand the metrics…
Munin the monitoring tool surveys all your computers and remembers what it saw. Munin Monitoring System is one of the popular computer system, network and infra…
Introduction There are a number of ways to monitor computer systems and their services, but the principles remain same. Adequate monitoring and alert…
This tutorial gives you a complete description and steps to Troubleshooting OpenStack Authentication and Troubleshooting OpenStack Networking Table…
Troubleshooting OpenStack Object Storage services OPENSTACK STORAGE SERVICE (SWIFT) is built for HIGHLY AVAILABLE STORAGES, but there may be times wh…
OPENSTACK COMPUTE SERVICES are complex, and being able to diagnose faults is an essential part of ensuring the smooth running of the services. Fortunately, Open…
OpenStack provides tools to check on its services. In this section, we’ll show you how to check the operational status of these services. We will also use commo…
Introduction OpenStack is a complex suite of software that can make tracking down issues and faults quite daunting to beginners and experienced system administ…
The reference architecture includes bonded network interfaces, which use multiple physical network interfaces for better redundancy and throughput. Running mult…
This recipe represents two nodes running both GLANCE and Keystone, controlled by Pacemaker with Corosync in active/passive mode, which allows for a failure of a…
Deploying Highly Available OpenStack OpenStack has been designed for highly scalable environments where it is possible to avoid single point of failures (SPOFs…
Once you have created and enabled the policy, nodes will begin to install. This may or may not take a long time depending on the size of your system. Razor prov…
At this stage, you will have a functioning OPSCODE CHEF SERVER, as well as a PUPPETLABS RAZOR ENVIRONMENT, so we can now begin to configure our OpenStack enviro…
There are a number of provisioning systems, such as Cobbler, Kick-start, and Ubuntu’s own MAAS, to provision an operating system such as Ubuntu to bare-metal. I…
Introduction OpenStack is a large and fast moving project. It is a cloud operating system that provides support for provisioning large networks of virtual mach…
Openstack Dashboard is a lot more than just an interface to our instances. It allows an administrator to configure environments, Users, and tenants. Tenants are…
Openstack Dashboard has a very handy feature that allows a user to connect to our running instances through a VNC (Virtual Network Console) session within our W…
Using OpenStack Dashboard to launch instances Instances are virtual machines that run inside the cloud. Launching instances are easily done, using t…
Using OpenStack Dashboard for key management SSH keypairs allow users to connect to our Linux instances without requiring to input passwords and is the default…
Introduction OpenStack is an open source framework that makes cloud computing easier with its wide variety of software tools and virtual servers. …
You create an external network to enable private networks in the cloud to communicate with the wider network. In a cloud, a tenant can have one or more private …
Creating a Neutron network Now that we have our OpenStack network configured for Neutron, we can now use this to create networks within our OpenStack environme…
The compute node handles connectivity and security groups for instances. With the network node configured, there are some services that need to run our Compute …
With our MySQL Galera cluster configured, each of the nodes is able to take traffic, and the writes are seamlessly replicated to other nodes in the cl…
Creating a sandbox server for running the Openstack Network Neutron services is easy using VirtualBox and Vagrant. VirtualBox gives us the ability to…
Manually associating floating IPs to instances OpenStack Networking allocates floating IP addresses to all projects (tenants) from the same IP ranges. Where fl…
OpenStack Networking provides a rich tenant-facing API for defining network connectivity and addressing in the cloud. The OpenStack Networking project gives ope…
What is OpenStack Networking? OpenStack is a collection of software tools that help to build and manage cloud computing platforms for storage, com…
At some point, you will no longer need the volumes you have created. To remove the volumes from the system permanently, so that they are no longer available, we…
Since Cinder Volumes are persistent storage and the best way of thinking of them is as a USB drive, this means that you can only attach them to a sing…
This procedure details the steps involved in attaching a Cinder volume to an existing compute instance using the cinder and nova command line interfaces. Now th…
We now need to tell our OpenStack Compute service about our new Cinder volume service. Getting ready As we are performing this setup in a multi-node…
Introduction Data written to currently running instances on disks is not persistent—meaning that when you terminate such instances, any disk writes will be los…
OpenStack Object Storage can report on usage metrics by using the swift-recon middleware added to our object -server configuration. By using a tool, also name…
Openstack Object Storage won’t be of much use if it can’t access the hard drives where our data is stored; so being able to detect and replace failed hard drive…
Converse to adding capacity to our OpenStack Object Storage cluster, there may be times where we need to scale back, or remove a failed node for service. You ma…
Introduction In recent days, the IT landscape has seen dramatic changes and development. There are many IT platforms like DevOps, Cloud Service…
Understanding the capabilities of your OpenStack Object Storage environment is crucial to determining limits for capacity planning and areas for performance tun…
Introduction Day-to-day administration of our OpenStack Object Storage cluster involves ensuring the files within the cluster are replicated to the r…
Now that we have configured OpenStack Object Storage, we can also retrieve the stored objects using our swift client. Getting ready Log in to a comp…
When using cloud storage, such as OpenStack Swift, at some point you might face a situation when you have to upload relatively large files (i.e. a couple of …
A container can be thought of as a root folder under our OpenStack Object Storage. In the OpenStack dashboard, you can only manage containers and obje…
OpenStack Object Storage (OOS) is a highly available, distributed, eventually consistent object/blob store. OpenStack Object Storage (swift) is a service that p…
The OpenStack Object Store is a facility that lets applications store and retrieve binary objects using the RESTful methods of the Swift API — this scales bette…
You can configure the dashboard for a simple HTTP deployment. You can configure the dashboard for a secured HTTPS deployment. While the standard installation us…
The rings determine where data should reside in the cluster. There is a separate ring for account databases, container databases, and individual object storage …
Object Server contains the actual objects seen in our OpenStack Object Storage environment and configuration of this is similar to configuring the Account Serve…
Introduction to OpenStack OpenStack is an open source platform, which offers powerful virtual servers and required services for cloud computing. It i…
Container Servers contain Object Servers seen in our OpenStack storage environment. The configuration of this is similar to configuring Account Server. Account …
Proxy server is a component that accepts OpenStack Object storage API and raw HTTP files to accept upload files, modify data and to create containers. Clients c…
Introduction OpenStack Object Storage, also known as Swift, is the service that allows massively scalable and highly redundant storage on commodity hardware. T…
Instances are nothing but running virtual machines within the Openstack cloud. Cloud environments are designed to be dynamic and this implies that Cloud instanc…
When you launch a virtual machine, you can inject a keypair. Keypairs refers to SSH keypairs and consist of two elements—a public key and a private key. The mos…
Security group is one of the greatest feature of OpenStack. A common new-user issue with OpenStack is failing to set an appropriate security group when launchin…
When troubleshooting issues with the Compute service you may have a need to stop or start one or all of the Nova services. So, now that we have configured our O…
Installing and configuring OVS for Neutron To create a Software Defined Network layer in OpenStack, we first need to install the software on our Network node. …
Configure Compute Node OpenStack Compute is used to host and manage cloud computing systems. OpenStack Compute is a major part of an Infrastructure-as-a-Servic…
Configure Database Services Each of the core OpenStack services (Compute, Identity, Networking, Block Storage) store state and configuration information in d…
Create Sandbox Environment Creating a sandbox environment by using VirtualBox and Vagrant allows us to discover and experiment with the OpenStack Co…
Create a Sandbox Compute Server Creating a sandbox server for running the OpenStack Compute services is very easy using VirtualBox and Vagrant. It allows us to…
Installing OpenStack Identity service The OpenStack identity service performs the following functions: 1. Tracking users and their permissions.2. Pr…
OpenStack Installation – Compute Controller Services Compute is a collection of services that enables you to launch virtual machine instances. Genera…
Configuring Ubuntu Cloud archive ‘Ubuntu 12.04 LTS’ the phrase used throughout this particular article, provides two repositories for installing OpenStack. The…
Image sharing among Tenants In OpenStack , images are often characterized as ‘virtual machine templates’ . When the image you shared is private , then it can b…
Creating OpenStack tenant In OpenStack we have several projects where ‘tenant’ is one of them, which is a must for the users and hence is assigned to them. In …
Register the Remotely Stored Image Images are predominantly standard installation media such as ISO images. Several pre-made images exist and can easily be imp…
Configuring OpenStack roles A role is a nothing but a personality that a user assumes while performing a specific set of operations. A role includes a set of r…
Manage Images As an administrative user, you can create and manage images for the projects to which you belong. You can also create and manage images…
Adding users The Identity service provides authentication services for each OpenStack service. The authentication service uses a combination of DOMAI…
Creating the Service Tenant and Service Users After you install the Identity service, create tenants (projects), users and roles for your environment…
If you are looking for OpenStack Interview Questions And Answers for Experienced 2018, you are at right place. Here Mindmajix sharing a list of 15 interview que…
Cloud technologies like Azure, AWS or Google Cloud provide a lot of capabilities, although they leave a crack which OpenStack is leading a platform in the cloud…
OpenStack Object Storage OpenStack Object Storage (OOS) is a highly available, distributed, eventually consistent object/blob store. OpenStack Object…
This tutorial gives you a complete description and steps to create an openstack sandbox environment. OpenStack Sandbox is an easy way to use openstack…