improved

modules/zram.sh

@@ -1,16 +1,11 @@
 #!/bin/bash
 
-###########
-### ZRAM
-
 echo
 echo "  => ZRAM"
 echo
 
-if [ -f /usr/bin/zramswap ]
-then
-    echo "    -> Already done !"
-else
+dpkg -l zram-tools > /dev/null 2>&1
+if [ $? -ne 0 ]; then
     apt-get install zram-tools -y
     sed -i '/#ALGO=lz4/s/^#//g' /etc/default/zramswap
     sed -i '/#PERCENT=50/s/^#//g' /etc/default/zramswap