extended update function to cleanup and autoremove

zsh-david.plugin.zsh

@@ -6,7 +6,7 @@
 set -o shwordsplit
 
 
-#  ****  aliases definitions  ****
+#  ****  aliases  ****
 alias zz='source $HOME/.zshrc'
 alias {update_zsh,zu}='echo "LAST_EPOCH=0" > $ZSH_CACHE_DIR/.zsh-custom-update > $ZSH_CACHE_DIR/.zsh-update; source $HOME/.zshrc'
 alias vz='vim $HOME/.zshrc && source $HOME/.zshrc'
@@ -26,6 +26,8 @@ alias aec="sshuttle -vvr 90.146.8.233 192.168.6.0/24 90.146.8.0/26 10.9.0.0/26 1
 alias home="sshuttle -vvr stargazer.socialnerds.org:2222 10.1.0.0/16"
 alias dmz="sshuttle -vvr 90.146.8.9 90.146.8.0/26"
 alias c="clear"
+#alias cleardnscache="sudo killall -HUP mDNSResponder; sudo killall mDNSResponderHelper; sudo dscacheutil -flushcache; say DNS cache has been cleared"
+alias cleardnscache="sudo killall -HUP mDNSResponder; sudo dscacheutil -flushcache; say DNS cache has been cleared"
 
 #alias ls='ls --color=auto' #does not work on macos
 alias pacrepo='sudo reflector -l 20 -f 10 --save /etc/pacman.d/mirrorlist'
@@ -72,10 +74,18 @@ log() {
   sleep 0.5; echo -e "[$level] ${@:2}"
 }
 
-## setup user accounts on linux systems
+# setup user accounts on linux systems
+# update them if existing
+# ? delete them
+# add authorized_keys
 setup_user() {
   if [ $1 ]; then
     log info "setting up account for $1"
+    #TODO: do the groups exist beforehand?
+    useradd -m -d /home/$1 -G "sudo sshusers docker" $1
+    if [ $? -ne 0 ]; then
+      log error "error while creating user ($1)"
+    fi
   else
     log error "no username given"
     return 1
@@ -83,9 +93,7 @@ setup_user() {
 }
 
 ## RDP client
-rdp()
+rdp() {
-{
-
   if [ -z $1 ]; then
     echo -e "server: \c"
     read  server
@@ -121,22 +129,22 @@ rdp()
   fi
 }
 
-## OS Upgrade for various systems.
+
-update()
+## OS upgrade for various systems
-{
+update() {
   systems="ubuntu arch solus raspbian antergos"
   issue="$(cat /etc/issue)"
   for item in $systems; do
     echo $issue | grep -i $item >> /dev/null
     if [ $? -eq 0 ]; then
-        system=$item
+      system=$item
     fi
   done
 
   case $system in
     ubuntu|debian|raspbian)
       echo "Updating Ubuntu/Debian.."
-      sudo apt-get update && sudo apt-get dist-upgrade
+      sudo apt update && sudo apt dist-upgrade -y && sudo apt autoremove -y && sudo apt autoclean -y
       ;;
     arch|antergos)
       echo "Updating Arch Linux.."
@@ -151,45 +159,16 @@ update()
       return 1
       ;;
   esac
+
   if [ $? -ne 0 ]; then
     echo "error: something went wrong."
     return 1
   fi
-
 }
 
 
-#  ****  old content which i keep here for reference  ****
-
-## Cross-platform install routine
-#install()
-#{
-#  systems="ubuntu arch"
-#  issue="$(cat /etc/issue)"
-#  packages=$*
-#  for item in $systems; do
-#    echo $issue | grep -i $item >> /dev/null
-#    if [ $? -eq 0 ]; then
-#        system=$item
-#    fi
-#  done
-#
-#  case $system in
-#    ubuntu)
-#      sudo apt-get install -y $packages
-#      ;;
-#    arch)
-#      sudo pacman -Sy --noconfirm $packages
-#      ;;
-#    ?)
-#      echo "unknown system. could not run install."
-#      ;;
-#  esac
-#}
-
 ## Thinkpad Trackpoint input fix (for for thinkpad x131e/chromebook)
-#fixtrackpoint()
+#fixtrackpoint() {
-#{
 #  xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation" 1
 #  xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation Button" 2
 #  xinput set-prop "TPPS/2 IBM TrackPoint" "Evdev Wheel Emulation Timeout" 200