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Bala Ganesh's questions

Martin Hope
Bala Ganesh
Asked: 2020-07-11 03:04:11 +0800 CST
  • 1
Err:37 http://archive.ubuntu.com/ubuntu focal/main DEP-11 64x64 Icons
  Hash Sum mismatch
  Hashes of expected file:
   - Filesize:162899 [weak]
   - SHA256:9f4ffba2a05dc2fb76857d4b30ed55724fe6e2999341694f2b86940ab067a44b
   - SHA1:f470f9b518e5cd213a66334f3a5e3b671c4dbe61 [weak]
   - MD5Sum:504d24e4682a64a0559d13f7cf1e5ca6 [weak]
  Hashes of received file:
   - SHA256:0d49809352ede8d21c648de700d0d16fe10c2394064b1bc457331e0565419e3a
   - SHA1:fd8bebb3573711be3d667718e13250cd7ae6b629 [weak]
   - MD5Sum:747cd4f065cae49a271e9b46cc88c6d6 [weak]
   - Filesize:162899 [weak]
  Last modification reported: Mon, 20 Apr 2020 09:35:48 +0000
  Release file created at: Thu, 23 Apr 2020 17:33:17 +0000

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 E: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/focal/main/dep11/by-hash/SHA256/9f4ffba2a05dc2fb76857d4b30ed55724fe6e2999341694f2b86940ab067a44b  Hash Sum mismatch
       Hashes of expected file:
        - Filesize:162899 [weak]
        - SHA256:9f4ffba2a05dc2fb76857d4b30ed55724fe6e2999341694f2b86940ab067a44b
        - SHA1:f470f9b518e5cd213a66334f3a5e3b671c4dbe61 [weak]
        - MD5Sum:504d24e4682a64a0559d13f7cf1e5ca6 [weak]
       Hashes of received file:
        - SHA256:0d49809352ede8d21c648de700d0d16fe10c2394064b1bc457331e0565419e3a
        - SHA1:fd8bebb3573711be3d667718e13250cd7ae6b629 [weak]
        - MD5Sum:747cd4f065cae49a271e9b46cc88c6d6 [weak]
        - Filesize:162899 [weak]
       Last modification reported: Mon, 20 Apr 2020 09:35:48 +0000
       Release file created at: Thu, 23 Apr 2020 17:33:17 +0000
    E: Some index files failed to download. They have been ignored, or old ones used instead.

我已经尝试了其他答案中提供的所有可能的解决方案，但问题仍然存在。我正在使用 ubuntu 20.04。我是 Linux 环境的新手，所以我对 Linux 系统和术语了解不多。

我试图安装节点 js 和 npm。我在使用 apt-get 时遇到了很多问题。

问题：

  1. 使用 apt-get 安装后找不到 npm 命令

    Command 'npm' not found, did you mean:

  command 'apm' from snap atom (1.48.0)
  command 'nsm' from snap nift (2.3.10)

See 'snap info <snapname>' for additional versions.

  2. 当我尝试安装sudo apt-get install python-software-properties

    我有，

     Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    Some packages could not be installed. This may mean that you have
    requested an impossible situation or if you are using the unstable
    distribution that some required packages have not yet been created
    or been moved out of Incoming.
    The following information may help to resolve the situation:

    The following packages have unmet dependencies:
     python-software-properties : Depends: python (>= 2.7) but it is not going to be installed
                                  Depends: python (< 2.8) but it is not going to be installed
                                  Depends: python-apt (>= 0.6.20ubuntu16) but it is not going to be installed
                                  Depends: python-pycurl but it is not going to be installed
    E: Unable to correct problems, you have held broken packages.

  3. 当我尝试使用单独安装 npm 时apt-get npm

       The following packages have unmet dependencies:
     npm : Depends: node-gyp (>= 0.10.9) but it is not going to be installed
    E: Unable to correct problems, you have held broken packages.
apt nodejs npm 20.04