conda: add page (#1158)

pages/common/conda.md

@@ -0,0 +1,35 @@
+# conda
+
+> Package, dependency and environment management for any programming language.
+
+- Create a new environment, installing named packages into it:
+
+`conda create --name {{environment_name}} {{python=2.7 matplotlib}}`
+
+- List all environments:
+
+`conda info --envs`
+
+- Load or unload an environment:
+
+`source {{activate|deactivate}} {{environment_name}}`
+
+- Delete an environment (remove all packages):
+
+`conda remove --name {{environment_name}} --all`
+
+- Search conda channels for a package by name:
+
+`conda search {{package_name}}`
+
+- Install packages into the current environment:
+
+`conda install {{python=3.4 numpy}}`
+
+- List currently installed packages in current environment:
+
+`conda list`
+
+- Delete unused packages and caches:
+
+`conda clean --all`