iputils-ping
 # to set the time
 ntpsec-ntpdate
+# generally used in my scripts, so necessary
+calc
 #
 
         fi
         cat "${_PATH_APTMARK_TAG}" | while read _LINE; do
             if [ ! $(echo "${_LINE}" | cut -c1) = "#" ]; then
-                apt-get -y -o Dpkg::Options::="--force-confnew" install "${_LINE}"
+                apt-get -y -o Dpkg::Options::="--force-confnew" install "${_LINE}" > /dev/null
             fi
         done
     done
 
 
     # before purging, ensure tagged packages installed
     ensure_packages_of_tags $@ 
-    apt -y --purge autoremove
-    apt -y dist-upgrade
+    apt -y --purge autoremove > /dev/null
+    apt -y dist-upgrade > /dev/null
 }
 
 
 echo '\nPreparing caddy install.'
 PATH_CADDY_REPO='https://dl.cloudsmith.io/public/caddy/stable'
-apt -y install curl
+apt -y install curl > /dev/null
 curl -1Lf "${PATH_CADDY_REPO}/gpg.key" | gpg --dearmor -o /usr/share/keyrings/caddy-stable-archive-keyring.gpg
 curl -1Lf "${PATH_CADDY_REPO}/debian.deb.txt" | tee /etc/apt/sources.list.d/caddy-stable.list