title: git error "unable to look up current user in the passwd file: no such user" - what does this mean?
body: <p>I cloned my git repo to a remote server, using ssh to communicate with it.  Using <code>git fetch remote</code> works, but when I type <code>git push remote</code> I get this output:</p>
  
  <pre><code>Counting objects: 242, done.
  Delta compression using up to 4 threads.
  Compressing objects: 100% (184/184), done.
  Writing objects: 100% (215/215), 238.00 KiB | 0 bytes/s, done.
  Total 215 (delta 58), reused 0 (delta 0)
  fatal: unable to look up current user in the passwd file: no such user
  fatal: The remote end hung up unexpectedly
  fatal: The remote end hung up unexpectedly
  </code></pre>
  
  <p>My server admin says that my ssh user is configured inside a chroot-jail. What could be done to solve this error?</p>