diff --git a/docs/INSTALL-ubuntu.md b/docs/INSTALL-ubuntu.md
index f8d8f61bd74..24f0fa940bd 100644
--- a/docs/INSTALL-ubuntu.md
+++ b/docs/INSTALL-ubuntu.md
@@ -28,10 +28,15 @@ We only support Docker based installs now. Please see [our **official install gu
 
 >     # Run these commands as your normal login (e.g. "michael")
 >     sudo apt-get update && sudo apt-get -y upgrade
+>     sudo apt-get install tasksel
 >     sudo tasksel install openssh-server
 >     sudo tasksel install mail-server
 >     sudo tasksel install postgresql-server
 
+> If the above installation is stuck, please use the following method instead ([detail](https://bugs.launchpad.net/ubuntu/+source/debconf/+bug/141601)):
+
+>     apt-get install postgresql-server^
+
 > ### Configure the mail server:
 
 > ![screenshot of mail server type configuration screen](https://raw.github.com/discourse/discourse-docimages/master/install/ubuntu%20-%20install%20-%20mail_1%20system%20type.png)
diff --git a/script/bench.rb b/script/bench.rb
index 94680367acf..46720b83f3c 100644
--- a/script/bench.rb
+++ b/script/bench.rb
@@ -62,8 +62,11 @@ end
 def prereqs
   puts "Be sure to following packages are installed:
 
+sudo apt-get -y install build-essential libssl-dev libyaml-dev git libtool libxslt-dev libxml2-dev libpq-dev gawk curl pngcrush python-software-properties software-properties-common tasksel
+
 sudo tasksel install postgresql-server
-sudo apt-get -y install build-essential libssl-dev libyaml-dev git libtool libxslt-dev libxml2-dev libpq-dev gawk curl pngcrush python-software-properties
+OR
+apt-get install postgresql-server^
 
 sudo apt-add-repository -y ppa:rwky/redis
 sudo apt-get update