kali@kali:~$ sudo apt update

We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:

    #1) Respect the privacy of others.
    #2) Think before you type.
    #3) With great power comes great responsibility.

[sudo] password for kali: 
Get:1 http://kali.cs.nctu.edu.tw/kali kali-rolling InRelease [30.5 kB]
Get:2 http://kali.cs.nctu.edu.tw/kali kali-rolling/main amd64 Packages [16.5 MB]
Err:2 http://kali.cs.nctu.edu.tw/kali kali-rolling/main amd64 Packages    
  Hash Sum mismatch
  Hashes of expected file:
   - Filesize:16545331 [weak]
   - SHA256:e1c70fb7aef32f1be0de974ba7cd27d1f736a0a809c09175a7038458b5975600
   - SHA1:eed1fb4ebf8b5139301413585e3b760a4dece5b0 [weak]
   - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
  Hashes of received file:
   - SHA256:5262247d5cccd9dbacd65a5376ba84763f6a5a374d17945ad092d59a9cdcb156
   - SHA1:cdebb444f3c7c4830c79795c0fc419e3f8b9a19c [weak]
   - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
   - Filesize:16545331 [weak]
  Last modification reported: Tue, 01 Sep 2020 06:09:03 +0000
  Release file created at: Tue, 01 Sep 2020 06:09:57 +0000
Get:3 http://kali.cs.nctu.edu.tw/kali kali-rolling/contrib amd64 Packages [99.8 kB]
Get:4 http://kali.cs.nctu.edu.tw/kali kali-rolling/non-free amd64 Packages [198 kB]
Fetched 16.9 MB in 17s (1,023 kB/s)                                       
Reading package lists... Done
E: Failed to fetch http://kali.cs.nctu.edu.tw/kali/dists/kali-rolling/main/binary-amd64/Packages.gz  Hash Sum mismatch
   Hashes of expected file:
    - Filesize:16545331 [weak]
    - SHA256:e1c70fb7aef32f1be0de974ba7cd27d1f736a0a809c09175a7038458b5975600
    - SHA1:eed1fb4ebf8b5139301413585e3b760a4dece5b0 [weak]
    - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
   Hashes of received file:
    - SHA256:5262247d5cccd9dbacd65a5376ba84763f6a5a374d17945ad092d59a9cdcb156
    - SHA1:cdebb444f3c7c4830c79795c0fc419e3f8b9a19c [weak]
    - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
    - Filesize:16545331 [weak]
   Last modification reported: Tue, 01 Sep 2020 06:09:03 +0000
   Release file created at: Tue, 01 Sep 2020 06:09:57 +0000
E: Some index files failed to download. They have been ignored, or old ones used instead.
kali@kali:~$ curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -
OK
kali@kali:~$ echo 'deb [arch=amd64] https://download.docker.com/linux/debian buster stable' |
> sudo tee /etc/apt/sources.list.d/docker.list
deb [arch=amd64] https://download.docker.com/linux/debian buster stable
kali@kali:~$ echo 'deb [arch=amd64] https://download.docker.com/linux/debian buster stable' | sudo tee /etc/apt/sources.list.d/docker.list
deb [arch=amd64] https://download.docker.com/linux/debian buster stable
kali@kali:~$ sudo apt update
Get:1 https://download.docker.com/linux/debian buster InRelease [44.4 kB] 
Get:3 https://download.docker.com/linux/debian buster/stable amd64 Packages [13.0 kB]
Err:3 https://download.docker.com/linux/debian buster/stable amd64 Packages
  Hash Sum mismatch
  Hashes of expected file:
   - Filesize:91927 [weak]
   - SHA512:3335898dc2eb8bb52b84a5f144ed9882350f0dc18891a09b92f9f090f738370e05b42165412def4c60d33fbd4c321baa643707edb73961ce977fa7803011abb9
   - SHA256:6f5ec6d070132a7c384d744d7402954d597b28fdc0c45b12aa79d7eae5196036
   - SHA1:816357294662e13281049da325b225de7569abde [weak]
   - MD5Sum:9e734b70b1f4eb75f296ab5681e5db11 [weak]
  Hashes of received file:
   - SHA512:3335898dc2eb8bb52b84a5f144ed9882350f0dc18891a09b92f9f090f738370e05b42165412def4c60d33fbd4c321baa643707edb73961ce977fa7803011abb9
   - SHA256:0688da96cb6fd77423c71e4e2cd85a212aa321d8011c2b6e01c23afe0525b81e
   - SHA1:816357294662e13281049da325b225de7569abde [weak]
   - MD5Sum:9e734b70b1f4eb75f296ab5681e5db11 [weak]
   - Filesize:91927 [weak]
  Last modification reported: Tue, 28 Jul 2020 11:27:41 +0000
  Release file created at: Tue, 04 Aug 2020 07:28:48 +0000
Get:2 http://kali.cs.nctu.edu.tw/kali kali-rolling InRelease [30.5 kB]    
Get:4 http://kali.cs.nctu.edu.tw/kali kali-rolling/main amd64 Packages [16.5 MB]
Err:4 http://kali.cs.nctu.edu.tw/kali kali-rolling/main amd64 Packages    
  Hash Sum mismatch
  Hashes of expected file:
   - Filesize:16545331 [weak]
   - SHA256:e1c70fb7aef32f1be0de974ba7cd27d1f736a0a809c09175a7038458b5975600
   - SHA1:eed1fb4ebf8b5139301413585e3b760a4dece5b0 [weak]
   - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
  Hashes of received file:
   - SHA256:f93cdb00c3b2dcf8f8250c3a4dea93b4d4bb6727f0d46f2918f640cf7fc9da95
   - SHA1:f6b3396b11f2269bd69e710c822230d1abc27028 [weak]
   - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
   - Filesize:16545331 [weak]
  Last modification reported: Tue, 01 Sep 2020 06:09:03 +0000
  Release file created at: Tue, 01 Sep 2020 06:09:57 +0000
Get:5 http://kali.cs.nctu.edu.tw/kali kali-rolling/contrib amd64 Packages [99.8 kB]
Get:6 http://kali.cs.nctu.edu.tw/kali kali-rolling/non-free amd64 Packages [198 kB]
Fetched 16.6 MB in 11s (1,508 kB/s)                                       
Reading package lists... Done
E: Failed to fetch store:/var/lib/apt/lists/partial/download.docker.com_linux_debian_dists_buster_stable_binary-amd64_Packages.bz2  Hash Sum mismatch
   Hashes of expected file:
    - Filesize:91927 [weak]
    - SHA512:3335898dc2eb8bb52b84a5f144ed9882350f0dc18891a09b92f9f090f738370e05b42165412def4c60d33fbd4c321baa643707edb73961ce977fa7803011abb9
    - SHA256:6f5ec6d070132a7c384d744d7402954d597b28fdc0c45b12aa79d7eae5196036
    - SHA1:816357294662e13281049da325b225de7569abde [weak]
    - MD5Sum:9e734b70b1f4eb75f296ab5681e5db11 [weak]
   Hashes of received file:
    - SHA512:3335898dc2eb8bb52b84a5f144ed9882350f0dc18891a09b92f9f090f738370e05b42165412def4c60d33fbd4c321baa643707edb73961ce977fa7803011abb9
    - SHA256:0688da96cb6fd77423c71e4e2cd85a212aa321d8011c2b6e01c23afe0525b81e
    - SHA1:816357294662e13281049da325b225de7569abde [weak]
    - MD5Sum:9e734b70b1f4eb75f296ab5681e5db11 [weak]
    - Filesize:91927 [weak]
   Last modification reported: Tue, 28 Jul 2020 11:27:41 +0000
   Release file created at: Tue, 04 Aug 2020 07:28:48 +0000
E: Failed to fetch http://kali.cs.nctu.edu.tw/kali/dists/kali-rolling/main/binary-amd64/Packages.gz  Hash Sum mismatch
   Hashes of expected file:
    - Filesize:16545331 [weak]
    - SHA256:e1c70fb7aef32f1be0de974ba7cd27d1f736a0a809c09175a7038458b5975600
    - SHA1:eed1fb4ebf8b5139301413585e3b760a4dece5b0 [weak]
    - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
   Hashes of received file:
    - SHA256:f93cdb00c3b2dcf8f8250c3a4dea93b4d4bb6727f0d46f2918f640cf7fc9da95
    - SHA1:f6b3396b11f2269bd69e710c822230d1abc27028 [weak]
    - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
    - Filesize:16545331 [weak]
   Last modification reported: Tue, 01 Sep 2020 06:09:03 +0000
   Release file created at: Tue, 01 Sep 2020 06:09:57 +0000
E: Some index files failed to download. They have been ignored, or old ones used instead.
kali@kali:~$ sudo apt remove docker docker-engine docker.io
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package docker
E: Unable to locate package docker-engine
E: Unable to locate package docker.io
E: Couldn't find any package by glob 'docker.io'
kali@kali:~$ sudo apt install docker-ce -y
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package docker-ce
kali@kali:~$ sudo systemctl start docker
Failed to start docker.service: Unit docker.service not found.
kali@kali:~$ sudo Docker run hello-world
sudo: Docker: command not found
kali@kali:~$ sudo apt update
Get:1 https://download.docker.com/linux/debian buster InRelease [44.4 kB] 
Get:3 https://download.docker.com/linux/debian buster/stable amd64 Packages [13.0 kB]
Get:2 http://kali.cs.nctu.edu.tw/kali kali-rolling InRelease [30.5 kB]
Get:4 http://kali.cs.nctu.edu.tw/kali kali-rolling/main amd64 Packages [16.5 MB]
Err:4 http://kali.cs.nctu.edu.tw/kali kali-rolling/main amd64 Packages    
  Hash Sum mismatch
  Hashes of expected file:
   - Filesize:16545331 [weak]
   - SHA256:e1c70fb7aef32f1be0de974ba7cd27d1f736a0a809c09175a7038458b5975600
   - SHA1:eed1fb4ebf8b5139301413585e3b760a4dece5b0 [weak]
   - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
  Hashes of received file:
   - SHA256:328463d2e2af2e14be74983cd8df143e7a2c8c6ff1398e31a5460f33d76b64d7
   - SHA1:dd25af9b9eca8eabe2426d1a98eff3b7fbb23f7c [weak]
   - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
   - Filesize:16545331 [weak]
  Last modification reported: Tue, 01 Sep 2020 06:09:03 +0000
  Release file created at: Tue, 01 Sep 2020 06:09:57 +0000
Get:5 http://kali.cs.nctu.edu.tw/kali kali-rolling/contrib amd64 Packages [99.8 kB]
Get:6 http://kali.cs.nctu.edu.tw/kali kali-rolling/non-free amd64 Packages [198 kB]
Fetched 16.8 MB in 23s (738 kB/s)                                         
Reading package lists... Done
E: Failed to fetch http://kali.cs.nctu.edu.tw/kali/dists/kali-rolling/main/binary-amd64/Packages.gz  Hash Sum mismatch
   Hashes of expected file:
    - Filesize:16545331 [weak]
    - SHA256:e1c70fb7aef32f1be0de974ba7cd27d1f736a0a809c09175a7038458b5975600
    - SHA1:eed1fb4ebf8b5139301413585e3b760a4dece5b0 [weak]
    - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
   Hashes of received file:
    - SHA256:328463d2e2af2e14be74983cd8df143e7a2c8c6ff1398e31a5460f33d76b64d7
    - SHA1:dd25af9b9eca8eabe2426d1a98eff3b7fbb23f7c [weak]
    - MD5Sum:3f146b808731f987066360960f5d48c0 [weak]
    - Filesize:16545331 [weak]
   Last modification reported: Tue, 01 Sep 2020 06:09:03 +0000
   Release file created at: Tue, 01 Sep 2020 06:09:57 +0000
E: Some index files failed to download. They have been ignored, or old ones used instead.