@@ -45,6 +45,8 @@ Additional (non-Haskell) system libraries or tools should be added to `stackage/
4545Committing the changes should trigger a DockerHub. Normally only the master branch needs to be updated
4646since new packages are not added to the current lts release.
4747
48+Use [Ubuntu Package content search](http://packages.ubuntu.com/) to determine which package provides particular dev files (it defaults to trusty which is the same version as the server).
49+
4850### Upgrading GHC version
4951The Dockerfile contains information on which GHC versions should be used. You
5052can modify it and push it to Github to trigger a DockerHub build. The master
@@ -107,8 +109,10 @@ develop this advice over time. For now: if you're not sure, ask Michael for
107109guidance.
108110
109111### Timing
112+A cronjob on the build server keeps trying to build nightly unless it has already succeeded.
110113
111−Nightly builds should be run once a day. A common technique I use is, after a
114+(Nightly builds should be run once a day. A common technique I use is, after a
112115build succeeds, write something like `sleep 20h;
113−/opt/stackage-build/stackage/automated/build.sh nightly-2015-01-02`. LTS minor
114−bumps typically are run on Sundays.
116+/opt/stackage-build/stackage/automated/build.sh nightly-2015-01-02`.)
117+
118+LTS minor bumps typically are run on Sundays.