+* Update and upgrade Debian unstable chroot:
+<pre><code>
+ $ dd-schroot-cmd -c $sessionid apt-get update
+ $ dd-schroot-cmd -c $sessionid apt-get upgrade
+ [..]
+ Do it for real [Y/n]: <Enter>
+ [..]
+</code></pre>
+
+* Install your build dependencies:
+<pre><code>
+ $ dd-schroot-cmd -c $sessionid apt-get build-dep hello
+ [..]
+ Do it for real [Y/n]: <Enter>
+ [..]
+</code></pre>
+
+* In the case of backports, you can install a given package. You could use, for example:
+<pre><code>
+ $ dd-schroot-cmd -c $sessionid apt-get install debhelper/jessie-backports
+ [..]
+</code></pre>
+
+* Change root to Debian unstable chroot:
+<pre><code>
+ $ schroot -r -c $sessionid
+</code></pre>
+
+* Download your source:
+<pre><code>
+ (sid_arch-dchroot)user@porterbox:~$ apt-get source hello
+</code></pre>
+
+* You should be able to reproduce your issue, hack on the package, fix the bug. Once you are done with your work, please, finish your schroot session:
+<pre><code>
+ (sid_arch-dchroot)user@porterbox:~$ exit
+ $ schroot -e -c $sessionid
+ $ exit
+</code></pre>
+
+* List your currently open sessions:
+<pre><code>
+ $ schroot-list-sessions
+</code></pre>
+
+* List all currently open sessions:
+<pre><code>
+ $ schroot --list --all-sessions
+</code></pre>
+
+* You should be done by now. If you find any issue, please report to debian-admin@lists.debian.org.