Update ubuntu setup instructions (#303)

* Update ubuntu instructions
* Add info on situations that need gnome-keyring-daemon

Author: calebkiage

README.md

@@ -94,7 +94,7 @@ Download from browser OR via Curl
 curl -LO <link> && tar -xzf <filename>
 ```
 
-#### Linux environment setup (Required)
+#### Linux (Ubuntu) environment setup (Required)
 
 The linux environment setup is similar to the Mac setup, but with one difference. For headless linux environments,
 there's an additional step to configure the keyring for access token encryption.
@@ -125,21 +125,29 @@ Failure to set this up will result in authentication failures.
 
 Required packages:
 
-1. gnome-keyring
+1. systemd (ensure the dbus service is properly set up)
 2. dbus
-3. libsecret
-4. libcap
+3. gnome-keyring
 
+> On WSL, systemd can be enabled by following [these instructions](https://learn.microsoft.com/en-us/windows/wsl/systemd)
+
+1. Install gnome-keyring
 ``` bash
-sudo apt-get install --assume-yes gnome-keyring libsecret-1-0
+sudo apt-get install --assume-yes gnome-keyring
 
-sudo setcap cap_ipc_lock=+ep $(which gnome-keyring-daemon)
+```
 
-export DBUS_SESSION_BUS_ADDRESS=$(dbus-daemon --session --fork --print-address)
+2. If running in a headless environment(e.g. WSL), you may need to run the following commands as well to start gnome-keyring in your shell session:
 
+```bash
 export KEYRING_PASSWORD=any-password
 
-dbus-run-session -- echo "$KEYRING_PASSWORD" | gnome-keyring-daemon --daemonize --components=secrets --unlock
+printf '%s' "$KEYRING_PASSWORD" | gnome-keyring-daemon --daemonize --components=secrets --unlock
+```
+
+3. Run mgc
+
+```bash
 
 mgc login
 ```