diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 82f7bba..82bf126 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: "redoxos/redoxer"
+image: "docker.io/redoxos/redoxer"
 
 stages:
     - build
@@ -17,3 +17,17 @@ test:redox:
     dependencies:
         - build:redox
     script: redoxer test --verbose
+
+build:linux:
+    stage: build
+    image: docker.io/library/rust:alpine
+    script:
+        - apk add musl-dev
+        - cargo build --verbose
+
+test:linux:
+    stage: test
+    image: docker.io/library/rust:alpine
+    dependencies:
+        - build:linux
+    script: cargo test --verbose
\ No newline at end of file
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 482b275..950a6bf 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -46,6 +46,19 @@
                 "-f"
             ],
             "cwd": "${workspaceFolder}"
+        },
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Cargo test",
+            "cargo": {
+                "args": [
+                    "test",
+                    "--no-run",
+                    "--tests"
+                ]
+            },
+            "args": []
         }
     ]
 }
\ No newline at end of file
diff --git a/README.md b/README.md
index 0eac241..0ffdeec 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,9 @@ Currently implemented features, ordered by priority:
 - [ ] Authentication and executing as a specific user
   - [ ] Password validation (not hardcoded)
   - [ ] SSH keys
+- Key file formats
+  - [x] Something custom
+  - [ ] OpenSSH keys
 - [ ] Port forwarding
 - [ ] SCP File Transfers
 
diff --git a/src/sys/redox.rs b/src/sys/redox.rs
index 0fdd0c5..a4ad00c 100644
--- a/src/sys/redox.rs
+++ b/src/sys/redox.rs
@@ -1,5 +1,6 @@
 use std::io::Result;
 use std::os::unix::io::RawFd;
+use std::os::fd::AsRawFd;
 use std::path::PathBuf;
 
 pub fn before_exec() -> Result<()> {
@@ -32,3 +33,9 @@ pub fn getpty() -> (RawFd, PathBuf) {
         }),
     )
 }
+
+/// Sets the file descriptor to non-blocking mode.
+/// This uses the **`unsafe`** keyword
+pub fn non_blockify_reader(obj: &impl AsRawFd) {
+    todo!();
+}