-el7-x86_64/ enabled=1 gpgcheck=0 EOF #或者使用google的源： # cat >> /etc/yum.repos.d/k8s-google.repo <7-x86_64 io/pause:3.2 k8s.gcr.io/etcd:3.4.13-0 k8s.gcr.io/coredns:1.7.0 #可以先下载以上7个镜像，传到每台k8s服务器上，再docker load导入；或者使 用内部registry仓库（内部registry镜像仓库里要有以上7个镜像） ★直接使用命令行方式初始化集群 （以下是非HA模式的master初始化，如果要部署高可用集群，则参考第4章） kubeadm [docker-ce-stable] name=Docker CE Stable - $basearch baseurl=h�ps://mirrors.aliyun.com/docker-ce/linux/centos/7/$basearch/stable enabled=1 gpgcheck=1 gpgkey=h�ps://mirrors.aliyun.com/docker-ce/linux/centos/gpg

windows 2.7 C:\Python27 windows 3.10 C:\Users\ 用 户 名 \AppData\Local\Programs\Python\Python310 centos7 2.7.5 /usr/bin/python --> /usr/bin/python2 --> /usr/bin/python2.7 (可执行文件) centos8 3.6 Se�ngs → Project: xxx →Python Interpreter → 右 侧 选 择 目 标 python解释器，再点击下面的+加号 ★第2章、Centos7源码安装python3 Centos7默认自带python2.7.5版本，无pip 先 去 官 网 下 载 python3 的 源 码 包 ： h�ps://www.python.org/downloads/source/ 数字代码 数 字 代 码 效果 颜色 前景色代 码 背景色代 码 0 默 认 ， 灰 白 黑 30 40 1 粗体 红 31 41 4 下划线 绿 32 42 5 闪烁 黄 33 43 7 反白显示 蓝 34 44 紫 35 45 青 36 46 灰 白 ， 同 0 默认 37 47 效果+颜色用;分号隔开 print("\033[4;31m这是带下划线红色的字\033[0m")

inser�on(+) create mode 100644 main.py # git log #查看提交记录；显示完整的hash值 commit 7b8ff6902bf14780a413a021cc1d946fd82fa82e (HEAD -> master) # commit后面为hash值，HEAD表示 Author: Cof 7b8ff69 (HEAD -> master) msgxxx # git log 文件名 #查看目标文件的提交记录 # git log -p -3 master * master # git branch xxx #在当前提交的对象上创建新的分支，名为xxx # git branch yyy 7b8ff6 #在指定的提交对象上创建新的分支；提交的hash值 可写全，也可只写前6字符 # git checkout xxx #切换分支 # git

short lead times was small batch sizes of work b. Agile, Continuous Delivery, and the Three Ways 7 c. The First Way: The Principles of Flow 15 i. MAKE OUR WORK VISIBLE 1. A significant difference next step? g. What is your expected outcome? h. When can we check? 6. PART II—WHERE TO START 47 7. Ch. 5 Selecting Which Value Stream to Start With 51 a. GREENFIELD vs BROWNFIELD SERVICES i. DevOps anthropologists describe tools as a cultural artifact iii. Create shared backlogs and reporting 9. Ch. 7 How to design Our Organization and Architecture with Conway’s Law in Mind a. “Organizations which design

injections or threats 6. Resources (RAM, disk, CPU, bandwidth, and others with hard or soft limits) 7. Health & availability 8. Startups & shutdowns 9. Faults & errors 10. Circuit breaker trips 11. Delays feature will achieve desired outcomes. 3. Repeat iii. Intuit’s rampant innovation culture – went from 7 experiments/year to 165 experiments during the 3 month US tax season in 2010 with website conversion

reference data 4. Containers 5. Automated tests 6. Project artifacts – documentation, procedures, etc. 7. Application configuration files 8. This also includes pre-production and build processes 9. Tools production servers 5. Restarting VMs, containers, applications, etc. 6. Generating configuration files 7. Run automated smoke tests 8. Running test procedures 9. Scripting & automating DB migrations iii

References:  scaledagileframework.com  SAFe in 7 minutes - https://www.youtube.com/watch?v=RXzurBazN-I Scaled Agile Framework (SAFe): Dean Leffingwell - Agile Software Requirements: Lean Requirements

Technique, Daniel Hinojosa, https://docs.google.com/presentation/d/1ufjcILARuowbv3Y9r-FP9-x3kmlIzq7bvOJBxRVh3-w/ present#slide=id.i0 [3] Flow: The Psychology of Optimal Experience, Mihaly Csikszentmihalyi

size('table_name')); #以方便阅读的单位列 出表的大小 ★不建议使用带\反斜杠的内置命令，有些sql终端工具不支持发送带有\反斜杠 的命令 ★第7章、表 字段操作 ★第8章、表 数据操作 db_test=# \d tablexx;