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Install Singular 4.x.x on a Linux/Unix platform (via APT/DEB)

The Singular repository provides a user-friendly installation of Singular on a Debian or Debian like system (such as Knoppix, Ubuntu etc.) with installed package tool APT. Just follow the below instructions matching your package tool.

The following installation instructions require superuser privileges and internet connection.

Some OS versions require additional the line to enable ftp transport

Dir::Bin::Methods::ftp "ftp";

in /etc/apt/apt.conf or a file in /etc/apt/cond.d/

Step-by-step instructions for Debian 10/11/12 (only 64 bit):

  • add GPG key:
    wget ftp://jim.mathematik.uni-kl.de/repo/extra/gpg
    apt-key add gpg
  • add (for debian10)
    deb https://wwww.singular.uni-kl.de/ftp/repo/debian10 buster main
    to /etc/apt/sources.list
  • add (for debian11)
    deb https://www.singular.uni-kl.de/ftp/repo/debian11 bullseye main
    to /etc/apt/sources.list
  • add (for debian12)
    deb https://www.singular.uni-kl.de/ftp/repo/debian12 bookworm main
    to /etc/apt/sources.list
  • apt-get update
  • apt-get install singular41
An old version of Singular can be found in the official repositories. Note that the two versions conflict with each other.
    Mirrors of the repositories are at
  • ftp://jim.mathematik.uni-kl.de/repo/debian10
  • ftp://jim.mathematik.uni-kl.de/repo/debian11
  • ftp://jim.mathematik.uni-kl.de/repo/debian12

For Ubuntu 16.04, Singular can be found in the official repository:

  • apt-get update
  • apt-get install singular

However, this will most probably not install the latest version. For the latest version, manually install Singular via TGZ, or follow these instructions (only 64 bit):

  • add GPG key:
    wget ftp://jim.mathematik.uni-kl.de/repo/extra/gpg
    apt-key add gpg
  • add
    deb htttps://www.singular.uni-kl.de/ftp/repo/ubuntu16 xenial main
    to /etc/apt/sources.list
  • apt-get update
  • apt-get install singular41

Note that the two packages singular and singular41 conflict with each other.

For Ubuntu 18.04, 20.04, 22.04, 24.04 Singular can be found in the official repository:

  • apt-get update
  • apt-get install singular

However, this will most probably not install the latest version. For the latest version, manually install Singular via TGZ, or follow these instructions (only 64 bit):

  • add GPG key:
    wget ftp://jim.mathematik.uni-kl.de/repo/extra/gpg
    apt-key add gpg
  • add (for 18.04)
    deb https://www.singular.uni-kl.de/ftp/repo/ubuntu18 bionic main
    to /etc/apt/sources.list
  • add (for 20.04)
    deb https://www.singular.uni-kl.de/ftprepo/ubuntu20 focal main
    to /etc/apt/sources.list
  • add (for 22.04)
    deb https://www.singular.uni-kl.de/ftp/repo/ubuntu22 jammy main
    to /etc/apt/sources.list
  • add (for 24.04)
    deb https://www.singular.uni-kl.de/ftp/repo/ubuntu24 noble main
    to /etc/apt/sources.list
  • apt-get update
  • apt-get install singular41

Note that the two packages singular and singular41 conflict with each other.

    Mirrors of the repositories are at
  • ftp://jim.mathematik.uni-kl.de/repo/ubuntu16
  • ftp://jim.mathematik.uni-kl.de/repo/ubuntu18
  • ftp://jim.mathematik.uni-kl.de/repo/ubuntu20
  • ftp://jim.mathematik.uni-kl.de/repo/ubuntu22
  • ftp://jim.mathematik.uni-kl.de/repo/ubuntu24