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I have tried entering:

sudo apt install python3-pip

The error I get is:

$ sudo apt install python3-pip  
Reading package lists... Done 
Building dependency tree        
Reading state information... Done 
The following additional packages will be installed:
    libexpat1-dev libpython3-dev libpython3.5-dev python-pip-whl python3-dev python3-wheel python3.5-dev 
The following NEW packages will be installed:
    libexpat1-dev libpython3-dev libpython3.5-dev python-pip-whl python3-dev python3-pip python3-wheel python3.5-dev 0 to upgrade, 8 to newly install, 0 to remove and 0 not to upgrade. 
Need to get 1,219 kB/39.1 MB of archives. 
After this operation, 56.8 MB of additional disk space will be used. 
Do you want to continue? [Y/n] y 
Ign:1 au.archive.ubuntu.com/ubuntu xenial-updates/universe i386 python-pip-whl all 8.1.1-2ubuntu0.1 
Ign:2 au.archive.ubuntu.com/ubuntu xenial-updates/universe i386 python3-pip all 8.1.1-2ubuntu0.1 
Err:1 au.archive.ubuntu.com/ubuntu xenial-updates/universe i386 python-pip-whl all 8.1.1-2ubuntu0.1
    404  Not Found 
Err:2 au.archive.ubuntu.com/ubuntu xenial-updates/universe i386 python3-pip all 8.1.1-2ubuntu0.1
    404  Not Found
E: Failed to fetch http://au.archive.ubuntu.com/ubuntu/pool/universe/p/python-pip/python-pip-whl_8.1.1-2ubuntu0.1_all.deb 
    404  Not Found
E: Failed to fetch http://au.archive.ubuntu.com/ubuntu/pool/universe/p/python-pip/python3-pip_8.1.1-2ubuntu0.1_all.deb
    404  Not Found
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

I believe we have bypassed the proxy, so I'm not sure why I'm getting '404 file not found'.

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3
  • 3
    Try again running sudo apt-get update
    – muru
    May 27, 2016 at 3:51
  • Works from home fine, but I have Linux machines at the school I teach at, which have a proxy which I thought we had bypassed for ubuntu.com, but looks like I haven't somehow...
    – Abisdad
    May 28, 2016 at 13:15
  • 1
    So this has nothing to do with Ubuntu but your network configuration then.
    – David Foerster
    Jul 12, 2016 at 14:33

3 Answers 3

Reset to default
205

The first procedure you followed is correct

sudo apt-get -y install python3-pip

But before installing try to update using command

sudo apt-get update

If first did not work then you can also do this using curl

curl "https://bootstrap.pypa.io/get-pip.py" -o "get-pip.py"
python3 get-pip.py --user

Then to verify installation try

pip3 --help

For checking version :

pip3 --version
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8
  • 2
    Thank you! But it needed: "pip3 --help"
    – Abisdad
    May 28, 2016 at 13:11
  • 2
    curl -sS https://bootstrap.pypa.io/get-pip.py | sudo python
    – PvdL
    Jul 12, 2016 at 21:29
  • 1
    Interesting! Why do you need the 'sudo apt-get update' to install pip3? seems rather unexpected to me.
    – Charlie Parker
    Dec 16, 2016 at 3:38
  • This does not work for pip3, it installs pip2 script which python3 can't run.
    – rjurney
    Jan 13, 2017 at 19:14
  • 10
    curl -sS https://bootstrap.pypa.io/get-pip.py | sudo python3 for Python 3 ;)
    – mbdevpl
    Jan 24, 2017 at 1:09
2

I fixed such problem by changing Server in "Software & Updates" -> Download from: there I chose different address and 404 disappeared.

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1
  • 2
    what address did you choose? please add more details
    – TiloBunt
    Aug 24, 2016 at 20:14
2

what worked for me

curl -sS https://bootstrap.pypa.io/get-pip.py >>setup.py
python3 setup.py
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