Using the free channel#
The free channel contains packages created prior to
September 26, 2017. Prior to conda 4.7, the free
channel was part of the
Read more about the defaults channel.
free channel reduced conda's search space
and hid old software. That old software could have incompatible
constraint information. Read more about why we made this change.
If you still need the content from the
free channel to reproduce
old environments, you can re-add the channel following the directions below.
Adding the free channel to defaults#
If you want to add the
free channel back into your default list,
use the command:
conda config --set restore_free_channel true
The order of the channels is important. Using the above
command will restore the
free channel in the correct order.
You can also add the
free channel back into your defaults by
.condarc file itself.
Add the following to the conda section of your
Read more about Using the .condarc conda configuration file.
Package name changes#
Some packages that are available in the
have different names in the
Package name in
Package name in
gcc_linux-64 and similar
now installable via notebook, a metapackage could be created
now installable via qtconsole, a metapackage could be created
You may encounter some errors, such as UnsatisfiableError or a PackagesNotFoundError.
An example of this error is:
$ conda create -n test -c file:///Users/jsmith/anaconda/conda-bld bad_pkg
Collecting package metadata: done
Solving environment: failed
UnsatisfiableError: The following specifications were found to be in conflict:
- cryptography=2.6.1 -> openssl[version='>=1.1.1b,<1.1.2a']
- python=3.7.0 -> openssl[version='>=1.0.2o,<1.0.3a']
Use "conda search <package> --info" to see the dependencies for each package.
This can occur if:
you’re trying to install a package that is only available in
freeand not in
you have older environments in files you want to recreate. If those spec files reference packages that are in
free, they will not show up.
a package is dependent upon files found only in the free channel. Conda will not let you install the package if it cannot install the dependency, which the package requires to work.
If you encounter these errors, consider using a newer package than
the one in
free. If you want those older versions, you can
add the free channel back into your defaults.