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Adding source URI for python3-lxml build-dep

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1

I am trying to run the following command: apt-get build-dep python3-lxml.

I get the following output: E: You must put some 'source' URIs in your sources.list

Here is the output of cat /etc/apt/sources.list:

deb http://deb.debian.org/debian stretch main contrib non-free
#deb-src http://deb.debian.org/debian stretch main contrib non-free

deb http://deb.debian.org/debian stretch-updates main contrib non-free
#deb-src http://deb.debian.org/debian stretch-updates main contrib non-free

deb http://deb.debian.org/debian-security stretch/updates main contrib non-free
#deb-src http://deb.debian.org/debian-security stretch/updates main contrib non-free

#deb http://deb.debian.org/debian stretch-backports main contrib non-free
##deb-src http://deb.debian.org/debian stretch-backports main contrib non-free

#Kernel source (repos.rcn-ee.com) : https://github.com/RobertCNelson/linux-stable-rcn-ee
#
#git clone https://github.com/RobertCNelson/linux-stable-rcn-ee
#cd ./linux-stable-rcn-ee
#git checkout `uname -r` -b tmp
#
deb [arch=armhf] http://repos.rcn-ee.com/debian/ stretch main
#deb-src [arch=armhf] http://repos.rcn-ee.com/debian/ stretch main

A few questions:

1. How should I modify this file to add the source?


2. Do I need to run apt update afterwards?


3. How did you know what URI to add?

Thank you in advance!

debian lxml apt debian-stretch

share|improve this question

asked Mar 22 at 20:53

Intrastellar ExplorerIntrastellar Explorer

8111

add a comment | 

1

I am trying to run the following command: apt-get build-dep python3-lxml.

I get the following output: E: You must put some 'source' URIs in your sources.list

Here is the output of cat /etc/apt/sources.list:

deb http://deb.debian.org/debian stretch main contrib non-free
#deb-src http://deb.debian.org/debian stretch main contrib non-free

deb http://deb.debian.org/debian stretch-updates main contrib non-free
#deb-src http://deb.debian.org/debian stretch-updates main contrib non-free

deb http://deb.debian.org/debian-security stretch/updates main contrib non-free
#deb-src http://deb.debian.org/debian-security stretch/updates main contrib non-free

#deb http://deb.debian.org/debian stretch-backports main contrib non-free
##deb-src http://deb.debian.org/debian stretch-backports main contrib non-free

#Kernel source (repos.rcn-ee.com) : https://github.com/RobertCNelson/linux-stable-rcn-ee
#
#git clone https://github.com/RobertCNelson/linux-stable-rcn-ee
#cd ./linux-stable-rcn-ee
#git checkout `uname -r` -b tmp
#
deb [arch=armhf] http://repos.rcn-ee.com/debian/ stretch main
#deb-src [arch=armhf] http://repos.rcn-ee.com/debian/ stretch main

A few questions:

1. How should I modify this file to add the source?


2. Do I need to run apt update afterwards?


3. How did you know what URI to add?

Thank you in advance!

debian lxml apt debian-stretch

share|improve this question

asked Mar 22 at 20:53

Intrastellar ExplorerIntrastellar Explorer

8111

add a comment | 

I am trying to run the following command: apt-get build-dep python3-lxml.

I get the following output: E: You must put some 'source' URIs in your sources.list

Here is the output of cat /etc/apt/sources.list:

deb http://deb.debian.org/debian stretch main contrib non-free
#deb-src http://deb.debian.org/debian stretch main contrib non-free

deb http://deb.debian.org/debian stretch-updates main contrib non-free
#deb-src http://deb.debian.org/debian stretch-updates main contrib non-free

deb http://deb.debian.org/debian-security stretch/updates main contrib non-free
#deb-src http://deb.debian.org/debian-security stretch/updates main contrib non-free

#deb http://deb.debian.org/debian stretch-backports main contrib non-free
##deb-src http://deb.debian.org/debian stretch-backports main contrib non-free

#Kernel source (repos.rcn-ee.com) : https://github.com/RobertCNelson/linux-stable-rcn-ee
#
#git clone https://github.com/RobertCNelson/linux-stable-rcn-ee
#cd ./linux-stable-rcn-ee
#git checkout `uname -r` -b tmp
#
deb [arch=armhf] http://repos.rcn-ee.com/debian/ stretch main
#deb-src [arch=armhf] http://repos.rcn-ee.com/debian/ stretch main

A few questions:

1. How should I modify this file to add the source?


2. Do I need to run apt update afterwards?


3. How did you know what URI to add?

Thank you in advance!

debian lxml apt debian-stretch

share|improve this question

asked Mar 22 at 20:53

Intrastellar ExplorerIntrastellar Explorer

8111

deb http://deb.debian.org/debian stretch main contrib non-free
#deb-src http://deb.debian.org/debian stretch main contrib non-free

deb http://deb.debian.org/debian stretch-updates main contrib non-free
#deb-src http://deb.debian.org/debian stretch-updates main contrib non-free

deb http://deb.debian.org/debian-security stretch/updates main contrib non-free
#deb-src http://deb.debian.org/debian-security stretch/updates main contrib non-free

#deb http://deb.debian.org/debian stretch-backports main contrib non-free
##deb-src http://deb.debian.org/debian stretch-backports main contrib non-free

#Kernel source (repos.rcn-ee.com) : https://github.com/RobertCNelson/linux-stable-rcn-ee
#
#git clone https://github.com/RobertCNelson/linux-stable-rcn-ee
#cd ./linux-stable-rcn-ee
#git checkout `uname -r` -b tmp
#
deb [arch=armhf] http://repos.rcn-ee.com/debian/ stretch main
#deb-src [arch=armhf] http://repos.rcn-ee.com/debian/ stretch main

share|improve this question

asked Mar 22 at 20:53

Intrastellar ExplorerIntrastellar Explorer

8111

share|improve this question

asked Mar 22 at 20:53

Intrastellar ExplorerIntrastellar Explorer

8111

asked Mar 22 at 20:53

Intrastellar ExplorerIntrastellar Explorer

8111

asked Mar 22 at 20:53

Intrastellar ExplorerIntrastellar Explorer

8111

1 Answer
1

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oldest

votes

1

1. You can edit your /etc/apt/sources.list file with any text editor. Just open it and uncomment the required lines that starts with deb-src (i.e. remove the # in front of deb-src), save and close it.

2. Yes, after that you'll have to run apt update.

3. The needed urls are already present in you sources.list file.

---

Here is the official documentation about Debian sources.list, as well as some specific information about Archive Types (deb and deb-src).

And here is some additional information about Debian Repositories.

share|improve this answer

edited Mar 24 at 22:04

answered Mar 24 at 11:13

youssefyoussef

6511819

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you @Joey for the links. They were useful. I found uncommenting the 2nd line in the file solved the problem!
  
  – Intrastellar Explorer
  Mar 24 at 19:28
  
  

  
  
  
  

add a comment | 

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1

1. You can edit your /etc/apt/sources.list file with any text editor. Just open it and uncomment the required lines that starts with deb-src (i.e. remove the # in front of deb-src), save and close it.

2. Yes, after that you'll have to run apt update.

3. The needed urls are already present in you sources.list file.

---

Here is the official documentation about Debian sources.list, as well as some specific information about Archive Types (deb and deb-src).

And here is some additional information about Debian Repositories.

share|improve this answer

edited Mar 24 at 22:04

answered Mar 24 at 11:13

youssefyoussef

6511819

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you @Joey for the links. They were useful. I found uncommenting the 2nd line in the file solved the problem!
  
  – Intrastellar Explorer
  Mar 24 at 19:28
  
  

  
  
  
  

add a comment | 

1

1. You can edit your /etc/apt/sources.list file with any text editor. Just open it and uncomment the required lines that starts with deb-src (i.e. remove the # in front of deb-src), save and close it.

2. Yes, after that you'll have to run apt update.

3. The needed urls are already present in you sources.list file.

---

Here is the official documentation about Debian sources.list, as well as some specific information about Archive Types (deb and deb-src).

And here is some additional information about Debian Repositories.

share|improve this answer

edited Mar 24 at 22:04

answered Mar 24 at 11:13

youssefyoussef

6511819

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you @Joey for the links. They were useful. I found uncommenting the 2nd line in the file solved the problem!
  
  – Intrastellar Explorer
  Mar 24 at 19:28
  
  

  
  
  
  

add a comment | 

1. You can edit your /etc/apt/sources.list file with any text editor. Just open it and uncomment the required lines that starts with deb-src (i.e. remove the # in front of deb-src), save and close it.

2. Yes, after that you'll have to run apt update.

3. The needed urls are already present in you sources.list file.

---

Here is the official documentation about Debian sources.list, as well as some specific information about Archive Types (deb and deb-src).

And here is some additional information about Debian Repositories.

share|improve this answer

edited Mar 24 at 22:04

answered Mar 24 at 11:13

youssefyoussef

6511819

share|improve this answer

edited Mar 24 at 22:04

answered Mar 24 at 11:13

youssefyoussef

6511819

answered Mar 24 at 11:13

youssefyoussef

6511819

answered Mar 24 at 11:13

youssefyoussef

6511819