錯誤排除紀錄.md

錯誤排除紀錄

Networking

• Q1: 網路建立失敗
  • 操作指令

    $ docker network create nginx-net
    Error response from daemon: could not find an available, non-overlapping IPv4 address pool among the defaults to assign to the network

  • 情境
    • 內網：建立失敗
    • 外網：建立成功
      • 外網配置的結果，每次都不一樣，有 172.21.0.0，有 172.22.0.0

        "IPAM": {
            "Driver": "default",
            "Options": {},
            "Config": [
                {
                    "Subnet": "172.21.0.0/16",
                    "Gateway": "172.21.0.1"
                }
            ]
        },

  • 解決方案

    $ docker network create nginx-net --subnet="172.20.0.0/16"
    d2ce74e08657015a9db59f3ac4757a7dd3edd213888615bbb6d6c9c66cf88a9a

  • 參考資料
    • Error response from daemon: could not find an available, ...

      $ docker network create nginx-net --subnet="172.17.0.0/16"
      Error response from daemon: Pool overlaps with other one on this address space

Commands

• Q1: add-apt-repository: command not found
  • 操作指令

    # add-apt-repository ppa:deadsnakes/ppa
    bash: add-apt-repository: command not found

  • 情境
    • docker

      $ docker run --rm -it ubuntu:20.04 bash
      

  • 解決方案

    # apt-get update
    # apt-get install -y software-properties-common
    # apt-get update # 需要

  • 參考資料
    • Fix ‘add-apt-repository command not found’ Error on Ubuntu and Debian

Python

• Q1: install python 3.5

  add-apt-repository ppa:deadsnakes/ppa
  apt-get update
  apt-get install python3.5 # or 3.6 or 3.7