云虚拟主机Openstack-阿里云

【openstack】虚拟机启动速度优化思路正文传统的openstack启动镜像时，会加载 cloud-init，用户还能做数据注入，比如镜像启动时，执行写修改密码的脚本，修改主机名，启动其他程序等等。但是 cloud-init 很耗时，请看下图（系统启动时间分析）：优化之前的启动速度思路如下......

[ 云计算相关 ] KVM虚拟化平台windows虚拟机迁移到openstack虚拟化平台（KVM虚拟化环境中Windows虚拟机安装Virtio驱动程序）一、安装驱动盘以下操作时，虚拟机必须处于关机状态。1、下载ISO这是下载iso链接：https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/stable-virtio/virtio-win.iso下载完之后，把ISO添加到您的...

阿里云虚拟主机使用教程

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Java 虚拟机原理

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【openstack】开启物理机虚拟机化正文一、检查 CPU 是否开启虚拟机化apt install cpu-checker kvm-ok从上图或者下面的信息中可以看到物理机对虚拟化的支持还是差了点什么！root@OpenStack:/var/log/kolla/nova# kvm-ok INFO: /dev/kvm does not e...

OpenStack中的虚拟机(/dev/mapper/centos-root)进行磁盘扩容一、虚拟机上先扩展分区二、centos系统root登入，新建分区2.1 【fdisk -l】最大分区为/dev/sda2，说明新创建的分区将会是sda3(在后面的步骤会进行选择)2.2 输入【fdisk /dev/sda】2.2.1命令行提示下输入【m】2.2.2输入命令【n】添加新分区。2.2....

怎么把一个公网IP分配给一个跑在Openstack虚拟机里的Docker容器？ 怎么把一个公网IP分配给一个跑在Openstack虚拟机里的Docker容器？...

关于openstack平台在虚拟机上搭建后登录页面logo和名称的更改我是一名小白，相关解决方案没找到，求大佬告知。 centos7，controller和compute两个节点搭建基于openstack私有云平台的搭建。完成搭建后怎样更改http：//192.168.100.10登录页面的logo图片和名称。希望有详细的过程，尝试过添加新的logo图片在img中...

通过 ansible 创建 openstack 虚拟机并部署应用（实战篇）前文通过 ansible 创建 openstack 虚拟机并部署应用（配置篇）接下来我们实战一下。目录结构 ── ansible.cfg├── group_vars│ ├── all.yml├── openstack.py├── README.md├── roles│ ├── newtouch...

通过 ansible 创建 openstack 虚拟机并部署应用（配置篇）本文中的例子在 ansible 和 Ansible Tower 里都通过。 controller 对 openstack 的接入本文里的 controller 是我的笔记本电脑，需要做以下配置：建立 /etc/ansible/openstack.yml，内容如下 clouds: poc: aut...

云计算---记一次黑客攻击openstack创建的虚拟机一：问题定位现象：　　近期发现有几台openstack云主机被修改密码并被肉鸡。黑客操作日志： 18-02-01 22:41:26 ##### root tty1 22:41 #### 2018-02-01 22:41:13 top 18-02-01 22:41:26 ##### root t...

openstack 之虚拟机管理利器virt-manager 的安装 virt-manager可以非常方便的对kvm虚拟机进行管理，包括开机、关机、重启、修改虚拟机相关参数等等，这个工具可以想象为vmware workstarion，对于管理linux上的kvm虚拟机很有用处。为什么我在使用...

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