# Articles from May 2017 - DeployHQ Blog

Displaying posts **1** – **2** of **2** in total

### [How to Fix SSH, SFTP and FTP Server Connection Errors in DeployHQ](https://www.deployhq.com/blog/troubleshooting-server-issues-with-deploy)

Posted on 12th May 2017

Cannot connect to your deployment server? This guide walks through every common SSH, SFTP, and FTP connection error in DeployHQ — from firewall timeouts and key authentication failures to permission issues — with step-by-step fixes for each.

### [Git Submodule Errors: A Complete Troubleshooting Guide](https://www.deployhq.com/blog/using-submodules-in-deploy)

Posted on 11th May 2017

Diagnose and fix Git submodule errors fast: missing mappings, "reference is not a tree", SSH auth failures, and the pre-push checks that prevent them.