private static void addSSHKeys(String dirPath, String privateKey, String privateKeyFilename,
			String publicKey, String publicKeyFilename) throws IOException {

		File rootDir = new File(dirPath);
		File sshDir = new File(rootDir, "~ssh");
		FileUtilities.mkdirs(sshDir);

		FileUtilities.writeStringToFile(new File(sshDir, privateKeyFilename), privateKey);
		FileUtilities.writeStringToFile(new File(sshDir, publicKeyFilename), publicKey);
	}
Create KnownUsers file containing the specified list of users.
@param dirPath server root directory
@param userNames list of user names
@throws IOException if there are any exceptions creating users
Ghidra/Test/IntegrationTest/src/test.slow/java/ghidra/server/remote/ServerTestUtil.java