Use /var/lib instead of /var/run.

install.sh

@@ -2,7 +2,7 @@
 set -e
 install_path=/usr/local/share/advisorycircular
 config_path=/etc/advisorycircular
-run_path=/var/run/advisorycircular
+run_path=/var/lib/advisorycircular
 user=advisorycircular
 
 # Create install, config, and run directories if they doesn't exist.
@@ -11,7 +11,7 @@ sudo mkdir -p "$config_path"
 sudo mkdir -p "$run_path"
 
 # Create advisory-circular user if it doesn't exist.
-if ! id -u ${user} 2>/dev/null
+if ! id -u ${user} >/dev/null 2>&1
 then
     sudo adduser --system --home ${install_path} --no-create-home --quiet ${user}
 fi