diff --git a/config/common.txt b/config/common.txt
index 52f5ae4..a52ac17 100644
--- a/config/common.txt
+++ b/config/common.txt
@@ -33,7 +33,6 @@ libtool
 m4
 psutil
 cython
-pytest
 fftw
 gsl
 cfitsio
@@ -66,4 +65,4 @@ pyaml
 tqdm
 ipykernel
 pyfftw
-numdifftools
+numdifftools
\ No newline at end of file
diff --git a/config/della/packages_conda.txt b/config/della/packages_conda.txt
new file mode 100644
index 0000000..7e18b62
--- /dev/null
+++ b/config/della/packages_conda.txt
@@ -0,0 +1,12 @@
+# Adjust the default python version
+python=3.10.0
+openmpi=4.1.*=external_*
+#
+# These are low-level tools needed to build local packages
+# and parse pip dependencies with pipgrip.
+#
+pandas
+ipython_genutils
+# Revert to 0.12 until this bug is fixed:
+# https://github.com/conda-forge/pyfftw-feedstock/issues/51
+pyfftw==0.12
diff --git a/config/della/packages_local.txt b/config/della/packages_local.txt
new file mode 100644
index 0000000..352fd00
--- /dev/null
+++ b/config/della/packages_local.txt
@@ -0,0 +1,11 @@
+qpoint
+pixell
+libactpol_deps
+libactpol
+moby2
+# Remove next line once toast-3.0 is on conda-forge,
+# and move to packages_conda.txt
+toast
+# Uncomment next line to build so3g from source, and
+# comment out line in packages_pip.txt.
+so3g
diff --git a/config/della/packages_pip.txt b/config/della/packages_pip.txt
new file mode 100644
index 0000000..a1cbff7
--- /dev/null
+++ b/config/della/packages_pip.txt
@@ -0,0 +1,20 @@
+quaternionarray
+dominate 
+emcee==3.0.1
+daal==2021.2.3
+sympy==1.1.1
+pysm3
+https://github.com/fgbuster/fgbuster/archive/master.tar.gz
+https://github.com/simonsobs/mbatch/archive/master.tar.gz
+#
+# Uncomment here if installing wheel, and comment out
+# line in packages_local.txt
+#pysqlite3-wheels
+#so3g
+#
+# Eventually use a tag for sotodlib...
+https://github.com/simonsobs/sotodlib/archive/master.tar.gz
+#
+# The mapsims package has hard-coded versions of pysm3 and
+# pixell, which un-installs our versions of those packages.
+#https://github.com/galsci/mapsims/archive/main.tar.gz
diff --git a/config/della/post_install.sh b/config/della/post_install.sh
new file mode 100644
index 0000000..f640d65
--- /dev/null
+++ b/config/della/post_install.sh
@@ -0,0 +1,15 @@
+# This script is sourced in the main `soconda.sh` script.
+# Any commands placed here will be executed within that shell
+# and have access to all environment variables defined there.
+# There are 2 variables defined here which control the optional
+# creation of a modulefile to load the environment and also
+# which create a small script that installs a jupyter kernel
+# for the environment into a user's home directory.
+
+# Install a module file?
+install_module=no
+
+# Install jupyter kernel setup script?
+install_jupyter_setup=no
+
+# Add any other shell commands here for this system...
diff --git a/config/della/required_modules.txt b/config/della/required_modules.txt
new file mode 100644
index 0000000..c776c1b
--- /dev/null
+++ b/config/della/required_modules.txt
@@ -0,0 +1,2 @@
+openmpi/gcc/4.1.2
+anaconda3/2022.10
\ No newline at end of file
diff --git a/config/della2/packages_conda.txt b/config/della2/packages_conda.txt
new file mode 100644
index 0000000..21f8ecc
--- /dev/null
+++ b/config/della2/packages_conda.txt
@@ -0,0 +1,12 @@
+# Adjust the default python version
+python=3.9.*
+openmpi=4.1.*=external_*
+#
+# These are low-level tools needed to build local packages
+# and parse pip dependencies with pipgrip.
+#
+pandas
+ipython_genutils
+# Revert to 0.12 until this bug is fixed:
+# https://github.com/conda-forge/pyfftw-feedstock/issues/51
+pyfftw==0.12
diff --git a/config/della2/packages_local.txt b/config/della2/packages_local.txt
new file mode 100644
index 0000000..352fd00
--- /dev/null
+++ b/config/della2/packages_local.txt
@@ -0,0 +1,11 @@
+qpoint
+pixell
+libactpol_deps
+libactpol
+moby2
+# Remove next line once toast-3.0 is on conda-forge,
+# and move to packages_conda.txt
+toast
+# Uncomment next line to build so3g from source, and
+# comment out line in packages_pip.txt.
+so3g
diff --git a/config/della2/packages_pip.txt b/config/della2/packages_pip.txt
new file mode 100644
index 0000000..a1cbff7
--- /dev/null
+++ b/config/della2/packages_pip.txt
@@ -0,0 +1,20 @@
+quaternionarray
+dominate 
+emcee==3.0.1
+daal==2021.2.3
+sympy==1.1.1
+pysm3
+https://github.com/fgbuster/fgbuster/archive/master.tar.gz
+https://github.com/simonsobs/mbatch/archive/master.tar.gz
+#
+# Uncomment here if installing wheel, and comment out
+# line in packages_local.txt
+#pysqlite3-wheels
+#so3g
+#
+# Eventually use a tag for sotodlib...
+https://github.com/simonsobs/sotodlib/archive/master.tar.gz
+#
+# The mapsims package has hard-coded versions of pysm3 and
+# pixell, which un-installs our versions of those packages.
+#https://github.com/galsci/mapsims/archive/main.tar.gz
diff --git a/config/della2/post_install.sh b/config/della2/post_install.sh
new file mode 100644
index 0000000..f640d65
--- /dev/null
+++ b/config/della2/post_install.sh
@@ -0,0 +1,15 @@
+# This script is sourced in the main `soconda.sh` script.
+# Any commands placed here will be executed within that shell
+# and have access to all environment variables defined there.
+# There are 2 variables defined here which control the optional
+# creation of a modulefile to load the environment and also
+# which create a small script that installs a jupyter kernel
+# for the environment into a user's home directory.
+
+# Install a module file?
+install_module=no
+
+# Install jupyter kernel setup script?
+install_jupyter_setup=no
+
+# Add any other shell commands here for this system...
diff --git a/config/della2/required_modules.txt b/config/della2/required_modules.txt
new file mode 100644
index 0000000..c776c1b
--- /dev/null
+++ b/config/della2/required_modules.txt
@@ -0,0 +1,2 @@
+openmpi/gcc/4.1.2
+anaconda3/2022.10
\ No newline at end of file