4.4 原理 程序的开发需要遵循验证思想 工具：断言 顺序/选择控制结构、函数、迭代控制结构：初始化、保持(不变式)、终止

一箭三连 12级前 G-G-G：腐蚀箭(Caustic Arrow)-幻影射手(Mirage Archer Support)-穿透(Pierce Support) 位移：闪现射击

珠宝：https://www.pathofexile.com/trade/search/Crucible/KP8yPogc5 衣： 无悔：htt

etcd 1 2 3 4 5 6 ETCD_VERSION='3.5.10' wget https://github.com/etcd-io/etcd/releases/download/v${ETCD_VERSION}/etcd-v${ETCD_VERSION}-linux-amd64.tar.gz tar -xvf etcd-v${ETCD_VERSION}-linux-amd64.tar.gz && \ cd etcd-v${ETCD_VERSION}-linux-amd64 && \ sudo cp -a etcd etcdctl /usr/bin/ nohup etcd >/tmp/etcd.log 2>&1 & etcd集群 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 nohup etcd --name infra0 --initial-advertise-peer-urls http://172.16.0.10:2380 \ --listen-peer-urls http://172.16.0.10:2380 \ --listen-client-urls http://172.16.0.10:2379,http://127.0.0.1:2379 \ --advertise-client-urls http://172.16.0.10:2379 \ --initial-cluster-token etcd-cluster-1 \

docker 在线 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 #containerd yum install https://download.docker.com/linux/fedora/30/x86_64/stable/Packages/containerd.io-1.2.6-3.3.fc30.x86_64.rpm #安装一些其他依赖 yum install -y yum-utils device-mapper-persistent-data lvm2 yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo yum makecache #安装docker-ce dnf -y install docker-ce --nobest #开启Docker服