How to build the yum source of local OpenStack? Practice show!

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. ...

Posted on Wed, 19 Feb 2020 23:59:12 -0500 by nevesgodnroc

Create qcow2 image

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 ...

Posted on Tue, 18 Feb 2020 05:42:27 -0500 by fatalcure

kubernetes series of tutorials for deep pod scheduling

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 ...

Posted on Mon, 20 Jan 2020 13:35:07 -0500 by sullyman

A script for openstack to add new compute nodes.

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 ...

Posted on Tue, 26 Nov 2019 12:20:58 -0500 by cwarn23

Openstack Cloud Computing: openstack rock deployment III: nova deployment and verification (control section)

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 ...

Posted on Mon, 25 Nov 2019 15:18:25 -0500 by wikedawsum

Configure NFS network storage as the back-end storage of cinder

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, ...

Posted on Sat, 23 Nov 2019 11:41:57 -0500 by ksimpkins

python base (34): threads

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 ...

Posted on Sat, 16 Nov 2019 12:50:59 -0500 by ryanbutler

iaas (openstack) super detailed construction and installation of keystone authentication service

Note: update with the previous blog Because the whole open source openstack installation process is too tedious, the command is too long, too tedious, so the entire installation command is written as a shell script. Too many scripts have been pushed github Source hosting center. This is the content of this script github Warehous ...

Posted on Mon, 11 Nov 2019 17:28:50 -0500 by Azeryk

iaas (openstack) super detailed firewall building operation

This blog introduces the basic operation of firewall in openstack All ports are open here to add firewall rules due to non production environment You can use the neutron basic command to view [root@controller html]# neutron --help | grep fire firewall-create Create a firewall. firewall-delete ...

Posted on Mon, 11 Nov 2019 13:27:22 -0500 by rallen102

iaas (openstack) super detailed setup and installation of Glance image service

Note: update with the previous blog Because the whole open source openstack installation process is too tedious, the command is too long, too tedious, so the entire installation command is written as a shell script. Too many scripts have been pushed github Source hosting center. This is the content of this script github Warehous ...

Posted on Mon, 11 Nov 2019 11:38:11 -0500 by JC99