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+## Installing ShellCheck on CentOS 6
+
+Here are [contributed instructions](https://github.com/koalaman/shellcheck/issues/427) for installing ShellCheck on CentOS 6:
+
+```bash
+# Deps
+yum groupinstall "Development Tools" -y
+yum install gmp-devel # may need epel
+sudo ln -s /usr/lib64/libgmp.so.3  /usr/lib64/libgmp.so.10
+
+# From https://www.haskell.org/platform/linux.html#linux-generic 
+wget https://haskell.org/platform/download/7.10.2/haskell-platform-7.10.2-a-unknown-linux-deb7.tar.gz
+tar xvzf haskell-platform-7.10.2-a-unknown-linux-deb7.tar.gz
+./install-haskell-platform.sh
+cabal install shellcheck
+cp .cabal/bin/shellcheck /usr/local/bin # portable to other el6 systems without haskell
+```
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