diff --git a/_home/private_dot_local/bin/executable_sz-add-my-apt-repos b/_home/private_dot_local/bin/executable_sz-add-my-apt-repos
index b37e287..296408b 100644
--- a/_home/private_dot_local/bin/executable_sz-add-my-apt-repos
+++ b/_home/private_dot_local/bin/executable_sz-add-my-apt-repos
@@ -1,9 +1,9 @@
 #! /usr/bin/env bash
 
-# sudo mkdir -p /usr/share/keyrings 2>&1 > /dev/null
+sudo mkdir -p /usr/share/keyrings 2>&1 > /dev/null
 
-# sudo apt-get install --yes --no-install-recommends \
-#     curl gnupg software-properties-common apt-transport-https
+sudo apt-get install --yes --no-install-recommends \
+    curl gnupg software-properties-common apt-transport-https
 
 function add_repo() {
     REPO_FQDN=$1 #'download.docker.com'
diff --git a/_home/private_dot_local/bin/executable_sz-doctor b/_home/private_dot_local/bin/executable_sz-doctor
index c164d57..b5d6f7d 100644
--- a/_home/private_dot_local/bin/executable_sz-doctor
+++ b/_home/private_dot_local/bin/executable_sz-doctor
@@ -1,24 +1,75 @@
 #! /usr/bin/env bash
 
-MISSING_APT_PACKAGES=()
+unset MISSING_APT_PACKAGES
+export MISSING_APT_PACKAGES=()
 SUGGESTED=()
 
+APT_OK=$([[ -e $(type -fP apt) ]] && [[ -x $(type -fP apt | head -1) ]] && echo 'true' || echo 'false')
+
+PACKAGE_SOURCES=$( \
+  grep -h ^deb /etc/apt/sources.list /etc/apt/sources.list.d/* \
+  | sed 's/\[.*\] //; s/^deb //' \
+  | sort -u\
+)
+
 function print-result() {
   printf "%-30s: %-8s %s \n" "$1" "$2" "$3"
 }
+function test-print() {
+  if [[ -n "$FAIL_EVERYTHING" || $(eval $1) ]]; then
+    echo $3
+  else
+    echo $2
+  fi
+}
+
+function safe-add() {
+  SAVE_IFS="$IFS"
+  IFS=':'
+  eval "$1+=($2)"
+  eval "$1=($(eval "echo $(printf '$IFS${%s[*]}$IFS' "$1")" | xargs -n1 echo | sort -u))"
+  IFS="$SAVE_IFS"
+  unset SAVE_IFS
+}
+
+KNOWN_REPOS=()
+# REPO_<name>_HOSTNAME=Full.Qualified.Domain.Name.com
+# REPO_<name>_PROTOCOL=http|https
+# REPO_<name>_PATH=/ or /deeper/but/never/blank
+function add-known-repo() {
+  safe-add 'KNOWN_REPOS' "$1"
+
+  eval "REPO_$1_HOSTNAME='$2'"
+  eval "REPO_$1_PROTOCOL='${3:-http}'"
+  eval "REPO_$1_PATH='${4:-/}'"
+  eval "REPO_$1_KEYWORD='${5}'"
+}
+
+add-known-repo 'terraform'  'apt.releases.hashicorp.com' 'https'
+add-known-repo 'terraform'  'apt.releases.hashicorp.com' 'https'
+# add-known-repo 'docker'     'download.docker.com'        'https'
+# add-known-repo 'anydesk'    'deb.anydesk.com'            'https'
+# add-known-repo 'gcloud'     'packages.cloud.google.com'  'https'
+# add-known-repo 'microsoft'  'packages.microsoft.com'     'https'
+add-known-repo 'debian_sid' 'http.us.debian.org'         'http' '' 'sid'
+
+# set | grep '^REPO'
+
+# check-exist <Name> [path:default is $(type $1)] [test operator: default is -x] [Found note: default blank] [missing note: default blank] [reponame: default blank] 
 function check-exist() {
   _RETURN_EVAL='true'
   _TEST_RESULT='Missing'
   _TEST_NAME=$1
   _TEST_PATH=${2:-$(type -fP $_TEST_NAME | head -1 2>/dev/null)}
   [[ -n "$_TEST_PATH" ]] && eval "[[ ${3:--x} ${_TEST_PATH// /\\ } ]]" && _TEST_RESULT='Found' || _RETURN_EVAL='false'
+  [[ -n "$FAIL_EVERYTHING" ]] && _TEST_RESULT="-$_TEST_RESULT" && _RETURN_EVAL='false'
   eval $_RETURN_EVAL && _TEST_NOTE="${4}" || _TEST_NOTE="${5}"
   print-result "$_TEST_NAME" "$_TEST_RESULT" "$_TEST_NOTE"
   eval $_RETURN_EVAL
 }
 
 echo "Shell: $SHELL"
-echo ""
+echo ''
 
 #_ALT_EDITOR=$( update-alternatives --get-selections | grep '^editor' | sed 's:^editor\W\+\w\+\W\+/:/:' )
 _ALT_EDITOR=$( update-alternatives --query editor | grep '^Value:' | cut -d: -f2 | sed 's: *\(.*\) *:\1:g' )
@@ -26,27 +77,33 @@ print-result "System prefered editor" "$_ALT_EDITOR"
 ( echo $_ALT_EDITOR | grep "nano$" >/dev/null ) && echo "Recommended to run: update-alternatives --set editor $(type -fP nvim vim.basic vim.tiny vi | head -1)"
 echo "editors found:"
 update-alternatives --query editor | grep Alternative: | cut -d: -f2
-echo ""
-
-APT_OK=$([[ -e $(type -fP apt) ]] && [[ -x $(type -fP apt | head -1) ]] && echo '1')
-APT_OK=""
-print-result 'Executable `apt`' $([[ -n "$APT_OK" ]] && echo "Found" || echo "Missing" ) "$([[ -n "$APT_OK" ]] || printf 'repair by running:\n%-41sfix-apt.sh' '' )"
+echo ''
 
+print-result 'Executable `apt`' $(test-print $APT_OK "Found" "Missing") "$(test-print $APT_OK '' "$(printf 'repair by running:\n%-41sfix-apt.sh')" )"
+echo ''
 check-exist "Byobu" "/usr/bin/byobu-launch" || MISSING_APT_PACKAGES+=('byobu')
 check-exist "oh-my-posh"
 check-exist "~/.poshtheme.omp.json" "~/.poshtheme.omp.json" "-r"
-check-exist "tmux"
-check-exist "git"
-check-exist "emacs"
-check-exist "terraform" '' '' ''       "$([[ -r /usr/share/keyrings/hashicorp.gpg ]] && MISSING_APT_PACKAGES+=('torraform') || echo \
-                                          'add apt repo by running:
-                                           curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo gpg --dearmor -o /usr/share/keyrings/hashicorp.gpg 
-                                           sudo apt-add-repository \
-                                             "deb [arch=amd64 signed-by=/usr/share/keyrings/hashicorp.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main"' \
-                                        )"
-check-exist "setxkbmap"
-check-exist "chezmoi"
-check-exist "gcloud"
+check-exist "tmux"  || MISSING_APT_PACKAGES+=('tmux')
+check-exist "git"   || MISSING_APT_PACKAGES+=('git')
+check-exist "emacs" || MISSING_APT_PACKAGES+=('emacs')
+check-exist "monit" || MISSING_APT_PACKAGES+=('monit')
+check-exist "terraform" '' '' ''       "$( \
+    [[ -r /usr/share/keyrings/apt.releases.hashicorp.com.gpg ]] \
+      && MISSING_APT_PACKAGES+=('terraform') \
+      || echo                             'fix missing repos (See SUGGESTED below)' \
+      )" \
+      || SUGGESTED+=( 'sz-add-my-apt-repos' '# followed by:' 'sudo apt install terraform', '' )
+check-exist "setxkbmap" || MISSING_APT_PACKAGES+=('setxkbmap')
+check-exist "chezmoi"   '' '' ''        'wget -O- chezmoi.io/get | bash # or
+                                         # wget -O- lksz.me/dotfiles | bash'
+check-exist "gcloud"    '' '' ''       "$( \
+    [[ -r /usr/share/keyrings/apt.releases.hashicorp.com.gpg ]] \
+      && MISSING_APT_PACKAGES+=('terraform') \
+      || echo                           'fix missing repos (See SUGGESTED below)' \
+      )" \
+      || SUGGESTED+=( 'sz-add-my-apt-repos' '# followed by:' 'sudo apt install gcloud', '' )
+
 check-exist 'bash completion' '/usr/share/bash-completion/bash_completion' '-r'
 check-exist 'CodeNewRoman Nerd Font' '~/.local/share/fonts/NF_CodeNewRoman' '-d'
 check-exist 'FiraCode Nerd Font' '~/.local/share/fonts/NF_FiraCode' '-d'
@@ -54,6 +111,6 @@ check-exist '~/bin' "~/bin" '-d' '(Optional)'
 check-exist '~/.local/bin' "~/.local/bin" '-d' '(Optional)'
 echo ""
 
-[[ -n $SUGGESTED ]] && echo 'You might want to run the following commands:' && printf "\n%s\n" "${SUGGESTED[*]}"
+[[ -n $SUGGESTED ]] && echo 'You might want to run the following commands:' && printf "  %s\n" "${SUGGESTED[@]}"
 
 [[ -n $MISSING_APT_PACKAGES ]] && printf "There are some missing APT packages, run the following command line to add them:\n\tsudo apt install ${MISSING_APT_PACKAGES[*]}\n\n"