I am on Ubuntu MATE 14.10, I have all my software sources turned on in 'Software & Updates', I have run apt-get update, etc, but I am still getting the following error when I run sudo apt-get install openswan:

E: Package 'openswan' has no installation candidate

How do I install openswan?

  • Please edit your question and add the output of sudo apt-get update – heemayl Mar 6 '15 at 3:06
  • On 15.04 I have the same problem. apt-get update gives: pastie.org/10263388 – fulv Jun 28 '15 at 19:57

You can fork the repo directly from Git repository. Then cd into your forked repo

git clone https://github.com/xelerance/Openswan.git fordername

To use Openswan with the linux native (builtin) IPsec stack, make programs:

sudo make install

To use the Openswan KLIPS IPsec stack (ipsec0 devices) for Linux Kernels 2.6.23 and higher, make programs

make KERNELSRC=/lib/modules/`uname -r`/build module
sudo make KERNELSRC=/lib/modules/`uname -r`/build install minstall
  1. Install git in your terminal:

    sudo apt-get install git
  2. clone openswan:

    git clone https://github.com/xelerance/Openswan.git
  3. give permission:

    sudo chmod +x Openswan/
  4. build linux:

    sudo Openswan/buildlin.sh

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