Many Linux problems are caused by messed up permissions. This fixes that shit (sort of).

fixthisshit.sh

#!/bin/bash

# This bit is by Brian Campbell
# Source: http://stackoverflow.com/questions/699576/validating-parameters-to-a-bash-script

die () {
        echo >&2 "$@"
        exit 1
}
[ "$#" -eq 1 ] || die "This shit takes one arguement user[:group]"

# This bit is mine
# http://www.danielmason.com

sudo echo "Fixing this shit" && \
sudo echo "Fixing ownership" && \
sudo chown -R $1 . && \
sudo echo "Fixing permissions" && \
sudo chmod -R o-rwx . && \
sudo chmod -R ug+rwX . && \
sudo echo "This shit is fixed"
exit 0