Issue: When you want to create an image in RDO stack newton version, you may encounter following error. The current Horizon settings indicate no valid image creation methods are available. Providing an image location and/or uploading from the local f…

Issue: When you install RDO stack on CentOS, you may encounter following error. Error: [root@localhost ~]# packstack --allinone ERROR:root:Failed to load plugin from file prescript_000.py ERROR:root:Traceback (most recent call last): File "/usr/lib/p…

Issue: When you launch an instance in Newton, you may find that the instance cannot be started due to following error message. No valid host was found. There are not enough hosts available. Solution: 1. Edit /etc/nova/nova.conf 2. Change ram_allocati…

Issue: When you create an instance, but cannot connect to the VNC Server because of the error message, "Failed connect to server". Reason: Your nova vnc configuration may be mapped to wrong vnc server. Solution: 1. vi /etc/nova/nova.conf 2. find…

Issue: There are many root causes to make your openstack vm instances cannot be reached from external network. But one of them in my case is VMs and Host (Openstack host) can only ping each other successfully; others are all failed, including vms can…

参考: http://www.bubuko.com/infodetail-2242562.html http://www.cnblogs.com/zhenyuyaodidiao/p/6500897.html 下面操作在k8s master 节点上安装 docker 容器 1.下载kubernetes-dashboar.yaml文件 git clone https://github.com/jdedu/kubernetes.git 先安装 git yum install git 2.修改内容 vi…

Contents [hide]  1 Introduction 2 Our Sample Setup 3 Install Keepalived 4 Install Kernel Headers 5 Compile keepalived 6 Create Required Softlinks 7 Configuration 8 Verify: Keepalived Working Or Not 8.1 Sample outputs 8.2 Hugo said ... 8.3 YazzY said…

What’s new in Sun/Oracle Java 7 VM Compressed 64-bit object pointers Garbage-First GC (G1) JSR 292: VM support for non-Java languages (InvokeDynamic) Lang JSR 294: Language and VM support for modular programming JSR 308: Annotations on Java types JSR…

Steps to install Google Chrome on Fedora 21 A. Create google-chrome.repo file Use this command to create google-chrome.repo file under /etc/yum.repos.d su yum install nano nano /etc/yum.repos.d/google-chrome.repo Then add the following lines to the n…

控制台程序. public enum Rank { TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, JACK, QUEEN, KING, ACE } public enum Suit { CLUBS, DIAMONDS, HEARTS, SPADES } public class Card implements Comparable<Card> { public Card(Rank rank, Suit suit) { this.ra…

You can use the following tutorial to install ffmpeg and other video modules in your centos server.FFmpegis an audio/video conversion tool. It includes libavcodec, the leading open source codec library. An experimental streaming server for live broad…

http://myeeeguides.wordpress.com/2008/11/15/winsetupfromusb-install-windows-xp-from-usb-flash-drive/ This guide will show you, how to use WinSetupFromUSB to create a bootable USB Flash Drive including all Windows source files, plus the following inst…

1.准备dashboard.yaml文件 apiVersion: extensions/v1beta1 kind: Deployment metadata: # Keep the name in sync with image version and # gce/coreos/kube-manifests/addons/dashboard counterparts name: kubernetes-dashboard-latest namespace: kube-system spec: rep…

1. To download Dashboard plugin deployment YAML file from internet. #cd /home #mkdir k8s #cd k8s # wget https://raw.githubusercontent.com/kubernetes/dashboard/v1.10.1/src/deploy/recommended/kubernetes-dashboard.yaml  ##官方链接https://kubernetes.io/docs/…

1. 下载dashboard文件: curl -o kubernetes-dashboard.yaml https://raw.githubusercontent.com/kubernetes/dashboard/master/aio/deploy/recommended/kubernetes-dashboard.yaml 2. 修改文件: kind: Service apiVersion: v1 metadata: labels: k8s-app: kubernetes-dashboard n…

目录贴:Kubernetes学习系列 在之前一篇文章:Centos7部署Kubernetes集群,中已经搭建了基本的K8s集群,本文将在此基础之上继续搭建K8s DashBoard. 1.yaml文件 编辑dashboard.yaml,注意或更改以下红色部分: apiVersion: extensions/v1beta1 kind: Deployment metadata: # Keep the name in sync with image version and # gce/coreos/k…

安装前准备 下载dashboard的yaml文件 wget -O kube-dashboard.yaml https://git.io/kube-dashboard-no-rbac 这个版本是没有权限控制的版本 准备镜像 docker save gcr.io/google_containers/kubernetes-dashboard-amd64:v1.6.3 >1.6.3.tar docker load < dns.tar docker tag gcr.io/google_container…

https://www.digitalocean.com/community/tutorials/how-to-install-apache-tomcat-8-on-ubuntu-16-04 Introduction Apache Tomcat is a web server and servlet container that is used to serve Java applications. Tomcat is an open source implementation of the J…

These are instructions for installing on Windows 7 desktop (they may also be useful for a server install with some thought to security) using individual components rather than a one click installer. This is intended only as a testing/evaluation insta…

Install ADDS on Windows Server 2012 R2 with PowerShell Posted by ethernuno on 20/04/2014 In this tutorial I’m installing ADDS on Windows Server 2012 R2 with PowerShell. The old “Dcpromo.exe” is deprecated beginning with Windows Server 2012, but you c…

如何安装和卸载应用程序到RaspberryPi2? 如何配置应用程序在RaspberryPi2开机后自动启动? How to install your app into RaspberryPi2? How to configure your app automatically start up after device booting? Read this article, and you will find the answers. Follow me, let’s go! 1  First …

来自:http://toomuchdata.com/2014/02/16/how-to-install-python-on-centos/ In this guide I will show you how to install Python 2.7 and 3.3 on CentOS 6. The examples below are for Python 2.7.6 and Python 3.3.5, but the procedure is the same for any modern…

本篇文章参考kubernetes---dashboardv1.8.3版本安装详细步骤及 kubernetes-dashboard(1.8.3)部署与踩坑这两篇文章,详细写了自己部署过程中的操作.遇到的问题及解决方案. 部署Dashboard UI kubectl create -f https://raw.githubusercontent.com/kubernetes/dashboard/master/aio/deploy/recommended/kubernetes-dashboard.ya…

一.部署docker registry            生产环境中我们一般通过搭建本地的私有镜像仓库(docker registry)来拉取镜像. 1.拉取registry镜像 [root@k8s-master ~]#docker pull docker.io/registry Using default tag: latest Trying to pull repository docker.io/library/registry ... sha256:0e40793ad06ac099b…

Kubernetes V1.16.2部署Dashboard V2.0(beta5) 在Master上部署Dashboard 集群安装部署请看安装Kubernetes V1.16.2 kubectl get pods -A -o wide 下载并修改Dashboard安装脚本(在Master上执行) 参照官网安装说明在master上执行: wget https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0-beta5/aio/dep…

下载官方yaml文件 最新的配置文件v2.0.0-beta8版本recommended.yaml,UI地址 wget https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0-beta8/aio/deploy/recommended.yaml 原文件: kind: Service apiVersion: v1 metadata: labels: k8s-app: kubernetes-dashboard name: kuberne…

Network Time Protocol (NTP) Controller Node apt install chrony Edit the /etc/chrony/chrony.conf 添加如下信息 #修改10.0.0.0/24为自己环境的网段 server controller iburst allow 10.0.0.0/24 注释掉 pool 2.debian.pool.ntp.org offline iburst line Restart the NTP service servic…

1.环境信息 1台虚拟机 8C16G CentOS 7.2   2.准备工作 #!/bin/bash set -x #配置aliyun的centos和epel mirror mkdir /etc/yum.repos.d.backup mv /etc/yum.repos.d/* /etc/yum.repos.d.backup curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo…

GitHub 手把手教你如何加入到github的开源世界! http://www.open-open.com/lib/view/open1396580186465.html 如何在 Github 上发现优秀的开源项目? https://www.oschina.net/news/75674/how-to-find-good-opensource-object https://github.com/blog/2289-publishing-with-github-pages-now-as-easy-…

原文地址:http://demo.netfoucs.com/u011707076/article/details/44036839 前言 寒假回家到现在已经有十多天了,这些天回家不是睡就是吃....哎╮(╯▽╰)╭,今天早上一觉醒来,突然得知,UE4免费了,这绝对是个好消息,前不久我还在纠结怎么申请校园账号呢o(╯□╰)o.迫不及待打开电脑下载了UE引擎的一个类似管理的客户端,在里面最醒目的一栏,看到一个令人哭笑不得的导航,如下图: EPIC这是要逆天的节奏吗?不过不管他了,接下来,我们便一同学…