Add edits to CONTRIBUTING.md (#2433)

CONTRIBUTING.md

@@ -21,6 +21,7 @@ The following guide details the steps to setup a local development environment f
 
 ### Prerequisites
 
+- [GCC](https://gcc.gnu.org/) - only on Linux, GCC is needed for Go dynamic linking
 - [Rust](https://www.rust-lang.org/)
 - [NodeJS](https://nodejs.org/en/), [ExpressJS](https://expressjs.com/)
 - [Python](https://www.python.org/), [Flask](https://flask.palletsprojects.com/en/2.1.x/), [FastAPI](https://fastapi.tiangolo.com/)
@@ -109,6 +110,8 @@ If new tests are added, decorate them with `cfg_attr` attribute macro to define
 For example, a test which only tests sanity of the ephemeral container feature should be decorated with
 `#[cfg_attr(not(feature = "ephemeral"), ignore)]`
 
+On Linux, running tests may exhaust a large amount of RAM and crash the machine. To prevent this, limit the number of concurrent jobs by running the command with e.g. `-j 4`
+
 ### Cleanup
 
 The Kubernetes resources created by the E2E tests are automatically deleted when the test exits. However, you can preserve resources from failed tests for debugging. To do this, set the `MIRRORD_E2E_PRESERVE_FAILED` variable to any value.
@@ -394,7 +397,7 @@ Debugging mirrord can get hard since we're running from another app flow, so the
 The recommended way to do it is to use `mirrord-console`. It is a small application that receives log information from different mirrord instances and prints it, controlled via `RUST_LOG` environment variable.
 
 To use mirrord console, run it:
-`cargo run --bin mirrord-console`
+`cargo run --bin mirrord-console --features binary`
 
 Then run mirrord with the environment variable:
 `MIRRORD_CONSOLE_ADDR=127.0.0.1:11233`

changelog.d/+contributing-guide-updated.changed.md

@@ -0,0 +1 @@
+Update contributing guide.