Programmer Help

1. Keystone's architecture Keystone(OpenStack Identity Service) is the module in the OpenStack framework responsible for managing authentication, service rules, and service token functions.Keystone is the core module of Openstack, providing authentication and authorization services for Nova, Glance, Swift, Cinder, Neutron, and Horizon.The Keys ...

OpenStack Multi-Node One-Click Deployment in Experimental Environment (Ultra-Detailed) Preface The OpenStack project is an open source cloud computing platform project, a distributed system that controls computing, networking, and storage of three resources.Building such a cloud platform system can provide us with cloud services in the IaaS (I ...

Catalog   1, OenStack common service view command On and off of OpenStack node openstack view command View the status of Nova computing service View the status of the Neutron network service View the status of glance image service View cinder block storage status   2, OpenStack application ...

Article directory Preface 1: OpenStack overview 1.1: Overview 1.2: Why build OpenStack local yum source? 2: Local yum source building practice 2.1: Environment 2.2: topology 2.3: purpose of the experiment 2.4: experiment process 2.4.1: local source configuration 2.4.2: client configuration 2.4. ...

Article directory Creating a virtual machine with vmware Set up virtual machine network Install virtual machine software VNC connection Operational mirroring Using qcow2 file to generate virtual machine Reference articles Creating a virtual machine with vmware Set up virtual machine network Be ...

About the author HappyLau, Senior Advisor on Cloud Computing, is currently engaged in public cloud related work in Tencent Cloud. He has worked in Cool Dog, EasyStack, and has many years of experience in public + Private Cloud Computing Architecture design, operation and maintenance, delivery, participated in the construction of large private ...

There are four main documents: 1) addcomputernode.sh, the main script. Tested in centos7 hpdl580. 2) addcomputernode.conf, some configuration information, which is different for each node, should be changed. For the first time, you can't just modify this one. The following conf also needs to be modified. 3) nova.conf, which is ...

Openstack cloud computing (2): openstack rock deployment three nova deployment and verification (control node) Labels (space separated): openstack series I. nova deployment II. nova verification I. nova deployment ###1.1 nova database creation mysql -uroot -p flyfish225 CREATE DATABASE nova_api; CREATE DATABASE nova; CREATE DATABASE no ...

Install cinder and nfs yum install -y openstack-cinder yum install cifs-utils Configuring nfs on the controller node [root@controller ~]# mkdir -p /data/nfs #Create a directory to share mount resources [root@controller ~]# cat /etc/exports /data/nfs *(rw,sync,root_squash) #The configuration file of NFS service program is / etc / exports sync, ...

1. python thread 1.1 Global Interpreter Lock GIL The execution of Python code is controlled by the Python virtual machine (also known as the interpreter main loop).Python was designed to have only one thread executing in the main loop at the same time.Although multiple threads can be "run" in a Python interpreter, only one thread can ...