Evocheck detects installed packages even if they are "held" by APT.

evocheck.sh

@@ -144,7 +144,7 @@ is_pack_samba(){
 
 is_installed(){
     for pkg in $*; do
-            dpkg -l $pkg 2>/dev/null |grep -q ^ii || return 1
+            dpkg -l $pkg 2>/dev/null | grep -q -E ^(i|h)i || return 1
     done
 }