+# fix up the apache site so that HSTS is disabled. otherwise we can't view
+# the https site for cakelampvm.com once the domain name switch has occurred.
+
+sep
+
+# we operate only on our own specialized tls conf file. hopefully no one has messed with it besides revamp.
+# note the use of the character class :blank: below to match spaces or tabs.
+search_replace "^[[:blank:]]*Header always set Strict-Transport-Security.*" "# not good for cakelampvm.com -- Header always set Strict-Transport-Security \"max-age=63072000; includeSubdomains;\"" /etc/apache2/conf-library/tls-enabling.conf
+if [ $? -ne 0 ]; then
+ echo the apache tls-enabling.conf file seems to have already been patched to disable strict transport security.
+else
+ restart_apache
+ echo successfully patched the apache tls-enabling.conf file to disable strict transport security.
+fi
+
+##############
+
+# fix up bind so that we think of any address with cakelampvm.com on the end
+# as being on the vm. this is already true for some specific sites, but we
+# want the wildcard enabled to ease the use of DNS for windows folks.
+
+sep
+
+grep -q "\*[[:blank:]]*IN A[[:blank:]]*10.28.42.20" /etc/bind/cakelampvm.com.conf
+if [ $? -eq 0 ]; then
+ # already present.
+ echo the bind settings for wildcard domains off of cakelampvm.com seems to already be present.
+else
+ echo "
+
+
+;;;;;;
+
+; our bind magic, a wildcard domain, for all other sites with cakelampvm.com
+; in the domain. this forces any other sites besides the ones above to route
+; to the actual vm IP address, which currently is singular and very fixated.
+* IN A 10.28.42.20
+ IN HINFO \"linux vm\" \"ubuntu\"
+
+;;;;;;
+
+
+
+" >> /etc/bind/cakelampvm.com.conf
+ restart_bind
+ echo "successfully added wildcard domains to the cakelampvm.com bind configuration."
+fi
+
+##############
+
+# fix samba configuration for (ass-headed) default of read-only in user homes.
+# why cripple a necessary feature by default?
+
+sep
+
+pattern="[#;][[:blank:]]*read only = yes"
+replacement="read only = no"
+
+# we just always do the replacement now, after realizing the sentinel pattern
+# was acutally already in the file... too much subtlety can get one into trouble.
+sed -i "0,/$pattern/{s/$pattern/$replacement/}" /etc/samba/smb.conf
+test_or_die "patching samba configuration to enable write acccess on user home dirs"
+# sweet, looks like that worked...
+restart_samba
+echo successfully patched the samba configuration to enable writes on user home directories.
+
+##############
+
+# add the latest version of the cakelampvm environment variables for apache.
+
+sep
+
+# drop existing file, if already configured. ignore errors.
+a2disconf env_vars_cakelampvm &>/dev/null
+
+# plug in the new version, just stomping anything there.
+# note: we only expect to have one version of the env_vars dir at a time in place in feisty...
+\cp -f $FEISTY_MEOW_APEX/production/sites/cakelampvm.com/rolling/env_vars.*/env_vars_cakelampvm.conf /etc/apache2/conf-available
+test_or_die "copying environment variables file into place"
+
+# enable the new version of the config file.
+a2enconf env_vars_cakelampvm
+test_or_die "enabling the new cakelampvm environment config for apache"
+
+echo Successfully configured the apache2 environment variables needed for cakelampvm.
+
+##############
+
+# add in a swap mount if not already configured.
+
+sep
+
+# check for existing swap.
+free | grep -q "Swap:[[:blank:]]*[1-9][0-9]"
+if [ $? -ne 0 ]; then
+ # no swap in current session, so add it.
+ add_swap_mount
+
+ echo "Enabled ramdisk swap partition for the current boot session."
+fi
+
+# the above just gives this session a swap partition, but we want to have
+# the vm boot with one also.
+
+# check if there is already swap mentioned in the root crontab. we will get root's
+# crontab below since this script has to run as sudo.
+crontab -l | grep -iq add_swap_mount
+if [ $? -ne 0 ]; then
+ # no existing swap setup in crontab, so add it.
+ # need to do it carefully, since sed won't add lines to a null file. we thus
+ # create a temporary file to do our work in and ignore sed as a tool for this.
+ tmpfile="$(mktemp junk.XXXXXX)"
+ crontab -l 2>/dev/null >"$tmpfile"
+ echo "
+# need to explicitly set any variables we will use.
+FEISTY_MEOW_APEX=${FEISTY_MEOW_APEX}
+# add swap space to increase memory available.
+@reboot bash $FEISTY_MEOW_APEX/scripts/system/add_swap_mount.sh
+" >>"$tmpfile"
+ # now install our new version of the crontab.
+ crontab "$tmpfile"
+ rm "$tmpfile"
+
+ echo "Added boot-time ramdisk swap partition to crontab for root."
+fi
+
+##############
+##############
+