{"id":934,"date":"2015-08-26T20:47:47","date_gmt":"2015-08-26T20:47:47","guid":{"rendered":"https:\/\/fir3netwp.gmsrrpobkbd.com\/2015\/08\/26\/how-to-create-an-instance-within-nova-via-the-cli\/"},"modified":"2021-07-24T15:36:35","modified_gmt":"2021-07-24T15:36:35","slug":"how-to-create-an-instance-within-nova-via-the-cli","status":"publish","type":"post","link":"https:\/\/www.fir3net.com\/Cloud\/Openstack\/how-to-create-an-instance-within-nova-via-the-cli.html","title":{"rendered":"How to Create an Instance within Nova via the CLI"},"content":{"rendered":"<p>Within this article we will show you how to create an instance within Nova via the CLI.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-662d0262677a4\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-662d0262677a4\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fir3net.com\/Cloud\/Openstack\/how-to-create-an-instance-within-nova-via-the-cli.html\/#Available_Images\" title=\"Available Images\">Available Images<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fir3net.com\/Cloud\/Openstack\/how-to-create-an-instance-within-nova-via-the-cli.html\/#Flavours\" title=\"Flavours\">Flavours<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fir3net.com\/Cloud\/Openstack\/how-to-create-an-instance-within-nova-via-the-cli.html\/#SSH-Keys\" title=\"SSH-Keys\">SSH-Keys<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fir3net.com\/Cloud\/Openstack\/how-to-create-an-instance-within-nova-via-the-cli.html\/#Security_Group\" title=\"Security Group\">Security Group<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fir3net.com\/Cloud\/Openstack\/how-to-create-an-instance-within-nova-via-the-cli.html\/#Create_Instance\" title=\"Create Instance\">Create Instance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fir3net.com\/Cloud\/Openstack\/how-to-create-an-instance-within-nova-via-the-cli.html\/#Check_Instance\" title=\"Check Instance\">Check Instance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fir3net.com\/Cloud\/Openstack\/how-to-create-an-instance-within-nova-via-the-cli.html\/#Connect_to_Instance\" title=\"Connect to Instance\">Connect to Instance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fir3net.com\/Cloud\/Openstack\/how-to-create-an-instance-within-nova-via-the-cli.html\/#Delete_Instance\" title=\"Delete Instance\">Delete Instance<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Available_Images\"><\/span>Available Images<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>First of all we list the images available to Nova.<\/p>\n<pre class=\"prettyprint\">root@openstack-lab:~# nova image-list<br \/>+--------------------------------------+--------------------------+--------+--------+<br \/>| ID                                   | Name                     | Status | Server |<br \/>+--------------------------------------+--------------------------+--------+--------+<br \/>| 23e82-5d3c-43a2-82b5-457f5e7         | cirros-0.3.2-x86_64-disk | ACTIVE |        |<br \/>+--------------------------------------+--------------------------+--------+--------+<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Flavours\"><\/span>Flavours<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Next we check the flavours available.<\/p>\n<pre class=\"prettyprint\">root@openstack-lab:~# nova flavor-list<br \/>+----+-----------+-----------+------+-------+-------------+-----------+<br \/>| ID | Name      | Memory_MB | Disk | VCPUs | RXTX_Factor | Is_Public |<br \/>+----+-----------+-----------+------+---------------------+-----------+<br \/>| 1  | m1.tiny   | 512       | 1    | 1     | 1.0         | True      |<br \/>| 2  | m1.small  | 2048      | 20   | 1     | 1.0         | True      |<br \/>| 3  | m1.medium | 4096      | 40   | 2     | 1.0         | True      |<br \/>| 4  | m1.large  | 8192      | 80   | 4     | 1.0         | True      |<br \/>| 5  | m1.xlarge | 16384     | 160  | 8     | 1.0         | True      |<br \/>+----+-----------+-----------+------+-------+-------------+-----------+<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"SSH-Keys\"><\/span>SSH-Keys<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To enable us to log into the instance an SSH key will be required. First we create the key pair. We then upload this to Nova. These SSH keys are then used later when buildng instance along with when we finally loginto the instance.&nbsp;<\/p>\n<pre class=\"prettyprint\">root@openstack-lab:~# ssh-keygen -q -f ssh-key<br \/>Enter passphrase (empty for no passphrase): <br \/>Enter same passphrase again: <br \/>root@openstack-lab:~# nova keypair-add novakey --pub-key ssh-key.pub<br \/>root@openstack-lab:~# nova keypair-list<br \/>+----------+-------------------------------------------------+<br \/>| Name     | Fingerprint                                     |<br \/>+----------+-------------------------------------------------+<br \/>| novakey  | 7f:11:bf:53:ac:98:27:b7:f9:a9:f9:e4:13:eb:08:8f |<br \/>+----------+-------------------------------------------------+<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Security_Group\"><\/span>Security Group<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A rule to permit the SSH port (tcp22) to the instance is then added to the default security group.<\/p>\n<pre class=\"prettyprint\">root@openstack-lab:~# nova secgroup-add-rule default tcp 22 22 10.1.1.0\/24<br \/>+-------------+-----------+---------+-------------+--------------+<br \/>| IP Protocol | From Port | To Port | IP Range    | Source Group |<br \/>+-------------+-----------+---------+-------------+--------------+<br \/>| tcp         | 22        | 22      | 10.1.1.0\/24 |              |<br \/>+-------------+-----------+---------+-------------+--------------+<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Create_Instance\"><\/span>Create Instance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Next we create the instance.<\/p>\n<pre class=\"prettyprint\">root@openstack-lab:~# nova boot instance1 --image 23e82-5d3c-43a2-82b5-457f5e7 \\<br \/>                                          --flavor m1.tiny \\<br \/>                                          --key-name novakey<br \/><br \/>+--------------------------------------+-----------------------------------------+<br \/>| Property                             | Value                                   |<br \/>+--------------------------------------+-----------------------------------------+<br \/>| OS-DCF:diskConfig                    | MANUAL                                  |<br \/>| OS-EXT-AZ:availability_zone          | nova                                    |<br \/>| OS-EXT-SRV-ATTR:host                 | -                                       |<br \/>| OS-EXT-SRV-ATTR:hypervisor_hostname  | -                                       |<br \/>| OS-EXT-SRV-ATTR:instance_name        | instance-00000002                       |<br \/>| OS-EXT-STS:power_state               | 0                                       |<br \/>| OS-EXT-STS:task_state                | scheduling                              |<br \/>| OS-EXT-STS:vm_state                  | building                                | <br \/>| status                               | BUILD                                   |<br \/>| tenant_id                            | b2162649b18840efb18314255e958990        |<br \/>| updated                              | 2015-08-26T20:29:24Z                    |<br \/>| user_id                              | 21d5a7f580ce4b98a68fbd197cceedbb        |<br \/>+--------------------------------------+-----------------------------------------+<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Check_Instance\"><\/span>Check Instance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>We then check the instance and that it is running and active.<\/p>\n<pre class=\"prettyprint\">root@openstack-lab:~# nova list<br \/>+-----------------------+-----------+--------+-------------+------------------+<br \/>| ID                    | Name      | Status | Power State | Networks         |<br \/>+-----------------------+-----------+--------+-------------+------------------+<br \/>| f51f24-9eb0-a076-1f6c | instance1 | ACTIVE | Running     | private=10.1.1.1 |<br \/>+-----------------------+-----------+--------+-------------+------------------+<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Connect_to_Instance\"><\/span>Connect to Instance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To confirm connectivity to the instance we log into it via SSH using the previously created SSH Key.&nbsp;<\/p>\n<pre class=\"prettyprint\">root@openstack-lab:~# ssh&nbsp;-i ssh-key cirros@10.1.1.1<br \/>The authenticity of host '10.1.1.1 (10.1.1.1)' can't be established.<br \/>RSA key fingerprint is a0:6b:93:34:10:44:e5:4e:91:d9:c1:21:55:3a:99:0e.<br \/>Are you sure you want to continue connecting (yes\/no)? yes<br \/>$&nbsp;<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Delete_Instance\"><\/span>Delete Instance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Should you need to delete your instance the following command is used,&nbsp;<\/p>\n<pre class=\"prettyprint\">root@openstack-lab:~# nova delete instance1<br \/>Request to delete server instance1 has been accepted.<br \/><br \/>root@openstack-lab:~# nova list<br \/>+----------+-----------+--------+------------+-------------+------------------+<br \/>| ID       | Name      | Status | Task State | Power State | Networks         |<br \/>+----------+-----------+--------+------------+-------------+------------------+<br \/>+----------+-----------+--------+------------+-------------+------------------+<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Within this article we will show you how to create an instance within Nova via the CLI. Available Images First of all we list the images available to Nova. root@openstack-lab:~# nova image-list+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+&#8212;&#8212;&#8211;+&#8212;&#8212;&#8211;+| ID | Name | Status | Server |+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+&#8212;&#8212;&#8211;+&#8212;&#8212;&#8211;+| 23e82-5d3c-43a2-82b5-457f5e7 | cirros-0.3.2-x86_64-disk | ACTIVE | |+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;+&#8212;&#8212;&#8211;+&#8212;&#8212;&#8211;+ Flavours Next we check the flavours available. root@openstack-lab:~# &#8230; <a title=\"How to Create an Instance within Nova via the CLI\" class=\"read-more\" href=\"https:\/\/www.fir3net.com\/Cloud\/Openstack\/how-to-create-an-instance-within-nova-via-the-cli.html\" aria-label=\"Read more about How to Create an Instance within Nova via the CLI\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Create an Instance within Nova via the CLI - Fir3net<\/title>\n<meta name=\"description\" content=\"Within this article we will show you how to create an instance within Nova via the CLI. 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