Interpretation of JavaMoney specification (JSR 354) and corresponding implementation
1, Overview1.1 current situationAt present, the class used to express currency in JDK is Java util. Currency, this class can only represent the currency type described in [ISO-4217]. It has no value associated with it, nor can it describe some currencies outside the specification. There is no rUTF-8...
Posted by slionheart on Tue, 14 Dec 2021 12:46:47 +1030
Vagrant automatically creates Vmware virtual machines
Using vmware to manually create virtual machines is really cumbersome. If we need to start a kubernetes cluster with 100 nodes, it will certainly lead to neural decline. Next, we introduce a method to automatically create virtual machines from vagrant. vagrant is a tool for automatically provisUTF-8...
Posted by kestasjk on Sun, 19 Dec 2021 15:33:06 +1030
Kolla ansible deploy openstack all in one (single node)
Kolla overview: Kolla is a project for automated deployment under OpenStack. It is implemented based on docker and ansible. Docker is mainly responsible for image production and container management, and ansible is mainly responsible for environment deployment and management. Kolla is actually UTF-8...
Posted by kumarsatishn on Wed, 19 Jan 2022 21:08:21 +1030
[Zhao Yuqiang] deploy Kubernetes cluster with binary package
In the private environment of some enterprises, external networks may not be connected. If you want to deploy Kubernetes clusters in such an environment, you can collect Kubernetes and install them offline. That is: deploy Kubernetes cluster with binary installation package, and the version adoUTF-8...
Posted by koenigsbote on Mon, 14 Feb 2022 10:12:46 +1030
Research on the implementation of Openstack R version hot migration code encapsulation
The bottom layer uses opensack stable rock version and libvirt version 4.5.0 The implementation process of the current platform is: 1. Click virtual machine migration on the web side of the management platform, send http protocol messages using the restful api provided by openstack, and fill inUTF-8...
Posted by matchew on Sat, 26 Mar 2022 11:00:57 +1030
Linux namespace: mount namespace
Understanding mount namespace Users usually use the mount command to mount ordinary file systems, but in fact, mount can mount many things. Even the Linux system with perfect functions now depends on the mount function for the normal operation of its kernel, such as mounting the root file systeUTF-8...
Posted by Wildthrust on Sat, 16 Apr 2022 02:30:04 +0930
The use of small virtual machine kvmtool of KVM virtualization
according to kvmtool github repository The description of the document is similar to the role of qemu. kvmtool is a host os user-mode virtual machine tool that supports running KVM guest os. It is a pure virtualization tool. guest os can run on it without modification. However, due to KVM is sUTF-8...
Posted by vikaspa on Sat, 28 Jan 2023 16:48:07 +1030