Merge pull request #46 from Qubes-Community/Aekez-patch

Update R4-universal-update-script.sh
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Yuraeitha 2018-07-07 14:59:29 +00:00 committed by GitHub
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@ -1,28 +1,272 @@
#!/bin/sh #!/bin/sh
# Title description: # >>>>Title<<<<
## Universal Qubes Update Script (UQUS). ## Universal Qubes Update Script (UQUS).
# Quick purpose overview: # >>>>Purpose<<<<
## This script performs auto-updates of dom0 and every default template, as well as any templates ## This script performs auto-updates of dom0 and every default template, as well as any templates
## you may wish to add. The script is straight forward and highly customizeable. ## you may wish to add. The script is straight forward and highly customizeable.
# >>>>WARNING!<<<< # >>>>WARNING!<<<<
## Please read the script carefully, do not run if you do not know what it does. ## Please read the script carefully, do not run if you do not know what it does.
## Be sure you edit it correctly to your own needs. ## Be sure you edit it correctly to your own needs.
## Useage notes and to-do-notes can be found at the bottom of the script.
# >>>Disclaimer!<<< # >>>Disclaimer!<<<
## I take no responsibility for use of this script, please study it before you use this script at your own risk. ## I take no responsibility for use of this script, please study it before you use this script at your own risk.
## However I gureantee and stand by the ideal and belief to improve the quality and reliability as far as possible ## However I gureantee and stand by the ideal and belief to improve the quality and reliability as far as possible
## within my capability and reach, and reasonable circumstances, such as being aware, and having the time to fix it. ## within my capability and reach, and reasonable circumstances, such as being aware, and having the time to fix it.
# Authors:
## Aekez @ https://github.com/Qubes-Community
# Feedback & Contributions: # /// Special settings \\\
## Feedback and/or new contributoers are welcome, please use QCC Pull Request, or feel free to contact me. #toggle-shutdown-sys-whonix='qvm-shutdown sys-whonix --wait' # Enable/Disable this second-last command at bottom of script.
# Important usage notes:
# /// Testing Updates \\\
## Removing or inserting the hash-# sign on below lines will disable/enable Qubes testing updates.
## If using testing repositories, make sure you keep all domains (Dom0 and DomUs') in sync.
#dom0_testing='--enablerepo=qubes-dom0-current-testing'
#fedora_testing='--enablerepo=qubes-vm-*-current-testing' # Includes all CentOS and Fedora-Minimal templates.
#debian_testing='-t *-testing' # Includes all Whonix templates.
# /// Dom0 updates \\\
xterm -e 'sudo qubes-dom0-update '$dom0_testing' --refresh'
wait
# /// Template Script slots \\\
## You can insert values in the slots below, and/or add more slots in the script.
## Be sure you match the slots with the commands and values further down the script.
## Disabling a slot with hash-#, will disable updates for specified VM.
# Fedora_based script slots include all Fedora, Fedora-minimal and CentOS templates.
fedora_based_template_1='fedora-28'
#fedora_based_template_2=''
#fedora_based_template_3=''
#fedora_based_template_4=''
#fedora_based_template_5=''
#fedora_based_template_6=''
#fedora_based_template_7=''
#fedora_based_template_8=''
#fedora_based_template_9=''
#fedora_based_template_10=''
# Debian_based script slots include all Debian / Whonix templates.
debian_based_template_1='debian-9'
debian_based_template_2='whonix-ws'
debian_based_template_3='whonix-gw'
#debian_based_template_4=''
#debian_based_template_5=''
#debian_based_template_6=''
#debian_based_template_7=''
#debian_based_template_8=''
#debian_based_template_9=''
#debian_based_template_10=''
# /// Inner Script mechanics below \\\
# You only need to modify the below if you plan to go beyond the normal scope
# of the scripts purpose, and/or if you want to expand the number of included slots.
# All fedora-based, and all debian-based slots are identical, except for slot numbers.
# It is therefore very easy to copy/paste to create more slots, and modify extra numbers.
# Fedora/Fedora-minimal/CentOS-based update slot #1
if [ "$fedora_based_template_1" ]; then
qvm-start "$fedora_based_template_1" #Needed to avoid premature qvm-run shutdown.
qvm-run "$fedora_based_template_1" 'xterm -e sudo dnf update '$fedora_testing' --refresh'
qvm-run "$fedora_based_template_1" 'xterm -e sudo dnf upgrade '$fedora_testing''
#qvm-run "$fedora_based_template_1" 'xterm -e sudo dnf autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$fedora_based_template_1" --wait #Needed if qvm-start is used.
fi
# Fedora/Fedora-minimal/CentOS-based update slot #2
if [ "$fedora_based_template_2" ]; then
qvm-start "$fedora_based_template_2" #Needed to avoid premature qvm-run shutdown.
qvm-run "$fedora_based_template_2" 'xterm -e sudo dnf update '$fedora_testing' --refresh'
qvm-run "$fedora_based_template_2" 'xterm -e sudo dnf upgrade '$fedora_testing''
#qvm-run "$fedora_based_template_2" 'xterm -e sudo dnf autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$fedora_based_template_2" --wait #Needed if qvm-start is used.
fi
# Fedora/Fedora-minimal/CentOS-based update slot #3
if [ "$fedora_based_template_3" ]; then
qvm-start "$fedora_based_template_3" #Needed to avoid premature qvm-run shutdown.
qvm-run "$fedora_based_template_3" 'xterm -e sudo dnf update '$fedora_testing' --refresh'
qvm-run "$fedora_based_template_3" 'xterm -e sudo dnf upgrade '$fedora_testing''
#qvm-run "$fedora_based_template_3" 'xterm -e sudo dnf autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$fedora_based_template_3" --wait #Needed if qvm-start is used.
fi
# Fedora/Fedora-minimal/CentOS-based update slot #4
if [ "$fedora_based_template_4" ]; then
qvm-start "$fedora_based_template_4" #Needed to avoid premature qvm-run shutdown.
qvm-run "$fedora_based_template_4" 'xterm -e sudo dnf update '$fedora_testing' --refresh'
qvm-run "$fedora_based_template_4" 'xterm -e sudo dnf upgrade '$fedora_testing''
#qvm-run "$fedora_based_template_4" 'xterm -e sudo dnf autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$fedora_based_template_4" --wait #Needed if qvm-start is used.
fi
# Fedora/Fedora-minimal/CentOS-based update slot #5
if [ "$fedora_based_template_5" ]; then
qvm-start "$fedora_based_template_5" #Needed to avoid premature qvm-run shutdown.
qvm-run "$fedora_based_template_5" 'xterm -e sudo dnf update '$fedora_testing' --refresh'
qvm-run "$fedora_based_template_5" 'xterm -e sudo dnf upgrade '$fedora_testing''
#qvm-run "$fedora_based_template_5" 'xterm -e sudo dnf autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$fedora_based_template_5" --wait #Needed if qvm-start is used.
fi
# Fedora/Fedora-minimal/CentOS-based update slot #6
if [ "$fedora_based_template_6" ]; then
qvm-start "$fedora_based_template_6" #Needed to avoid premature qvm-run shutdown.
qvm-run "$fedora_based_template_6" 'xterm -e sudo dnf update '$fedora_testing' --refresh'
qvm-run "$fedora_based_template_6" 'xterm -e sudo dnf upgrade '$fedora_testing''
#qvm-run "$fedora_based_template_6" 'xterm -e sudo dnf autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$fedora_based_template_6" --wait #Needed if qvm-start is used.
fi
# Fedora/Fedora-minimal/CentOS-based update slot #7
if [ "$fedora_based_template_7" ]; then
qvm-start "$fedora_based_template_7" #Needed to avoid premature qvm-run shutdown.
qvm-run "$fedora_based_template_7" 'xterm -e sudo dnf update '$fedora_testing' --refresh'
qvm-run "$fedora_based_template_7" 'xterm -e sudo dnf upgrade '$fedora_testing''
#qvm-run "$fedora_based_template_7" 'xterm -e sudo dnf autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$fedora_based_template_7" --wait #Needed if qvm-start is used.
fi
# Fedora/Fedora-minimal/CentOS-based update slot #8
if [ "$fedora_based_template_8" ]; then
qvm-start "$fedora_based_template_8" #Needed to avoid premature qvm-run shutdown.
qvm-run "$fedora_based_template_8" 'xterm -e sudo dnf update '$fedora_testing' --refresh'
qvm-run "$fedora_based_template_8" 'xterm -e sudo dnf upgrade '$fedora_testing''
#qvm-run "$fedora_based_template_8" 'xterm -e sudo dnf autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$fedora_based_template_8" --wait #Needed if qvm-start is used.
fi
# Fedora/Fedora-minimal/CentOS-based update slot #9
if [ "$fedora_based_template_9" ]; then
qvm-start "$fedora_based_template_9" #Needed to avoid premature qvm-run shutdown.
qvm-run "$fedora_based_template_9" 'xterm -e sudo dnf update '$fedora_testing' --refresh'
qvm-run "$fedora_based_template_9" 'xterm -e sudo dnf upgrade '$fedora_testing''
#qvm-run "$fedora_based_template_9" 'xterm -e sudo dnf autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$fedora_based_template_9" --wait #Needed if qvm-start is used.
fi
# Fedora/Fedora-minimal/CentOS-based update slot #10
if [ "$fedora_based_template_10" ]; then
qvm-start "$fedora_based_template_10" #Needed to avoid premature qvm-run shutdown.
qvm-run "$fedora_based_template_10" 'xterm -e sudo dnf update '$fedora_testing' --refresh'
qvm-run "$fedora_based_template_10" 'xterm -e sudo dnf upgrade '$fedora_testing''
#qvm-run "$fedora_based_template_10" 'xterm -e sudo dnf autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$fedora_based_template_10" --wait #Needed if qvm-start is used.
fi
# <<< !!! Switching from Fedora-based to Debian-based updates !!! >>>
# Debian/Whonix-based update slot #1
if [ "$debian_based_template_1" ]; then
qvm-start "$debian_based_template_1" #Needed to avoid premature qvm-run shutdown, important here.
qvm-run "$debian_based_template_1" "xterm -e sudo apt-get update '$debian_testing'"
qvm-run "$debian_based_template_1" "xterm -e sudo apt-get dist-upgrade '$debian_testing'"
#qvm-run "$debian_based_template_1" 'xterm -e sudo apt autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$debian_based_template_1" --wait #Needed if qvm-start is used.
fi
# Debian/Whonix-based update slot #2
if [ "$debian_based_template_2" ]; then
qvm-start "$debian_based_template_2" #Needed to avoid premature qvm-run shutdown, important here.
qvm-run "$debian_based_template_2" "xterm -e sudo apt-get update '$debian_testing'"
qvm-run "$debian_based_template_2" "xterm -e sudo apt-get dist-upgrade '$debian_testing'"
#qvm-run "$debian_based_template_2" 'xterm -e sudo apt autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$debian_based_template_2" --wait #Needed if qvm-start is used.
fi
# Debian/Whonix-based update slot #3
if [ "$debian_based_template_3" ]; then
qvm-start "$debian_based_template_3" #Needed to avoid premature qvm-run shutdown, important here.
qvm-run "$debian_based_template_3" "xterm -e sudo apt-get update '$debian_testing'"
qvm-run "$debian_based_template_3" "xterm -e sudo apt-get dist-upgrade '$debian_testing'"
#qvm-run "$debian_based_template_3" 'xterm -e sudo apt autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$debian_based_template_3" --wait #Needed if qvm-start is used.
fi
# Debian/Whonix-based update slot #4
if [ "$debian_based_template_4" ]; then
qvm-start "$debian_based_template_4" #Needed to avoid premature qvm-run shutdown, important here.
qvm-run "$debian_based_template_4" "xterm -e sudo apt-get update '$debian_testing'"
qvm-run "$debian_based_template_4" "xterm -e sudo apt-get dist-upgrade '$debian_testing'"
#qvm-run "$debian_based_template_4" 'xterm -e sudo apt autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$debian_based_template_4" --wait #Needed if qvm-start is used.
fi
# Debian/Whonix-based update slot #5
if [ "$debian_based_template_5" ]; then
qvm-start "$debian_based_template_5" #Needed to avoid premature qvm-run shutdown, important here.
qvm-run "$debian_based_template_5" "xterm -e sudo apt-get update '$debian_testing'"
qvm-run "$debian_based_template_5" "xterm -e sudo apt-get dist-upgrade '$debian_testing'"
#qvm-run "$debian_based_template_5" 'xterm -e sudo apt autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$debian_based_template_5" --wait #Needed if qvm-start is used.
fi
# Debian/Whonix-based update slot #6
if [ "$debian_based_template_6" ]; then
qvm-start "$debian_based_template_6" #Needed to avoid premature qvm-run shutdown, important here.
qvm-run "$debian_based_template_6" "xterm -e sudo apt-get update '$debian_testing'"
qvm-run "$debian_based_template_6" "xterm -e sudo apt-get dist-upgrade '$debian_testing'"
#qvm-run "$debian_based_template_6" 'xterm -e sudo apt autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$debian_based_template_6" --wait #Needed if qvm-start is used.
fi
# Debian/Whonix-based update slot #7
if [ "$debian_based_template_7" ]; then
qvm-start "$debian_based_template_7" #Needed to avoid premature qvm-run shutdown, important here.
qvm-run "$debian_based_template_7" "xterm -e sudo apt-get update '$debian_testing'"
qvm-run "$debian_based_template_7" "xterm -e sudo apt-get dist-upgrade '$debian_testing'"
#qvm-run "$debian_based_template_7" 'xterm -e sudo apt autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$debian_based_template_7" --wait #Needed if qvm-start is used.
fi
# Debian/Whonix-based update slot #8
if [ "$debian_based_template_8" ]; then
qvm-start "$debian_based_template_8" #Needed to avoid premature qvm-run shutdown, important here.
qvm-run "$debian_based_template_8" "xterm -e sudo apt-get update '$debian_testing'"
qvm-run "$debian_based_template_8" "xterm -e sudo apt-get dist-upgrade '$debian_testing'"
#qvm-run "$debian_based_template_8" 'xterm -e sudo apt autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$debian_based_template_8" --wait #Needed if qvm-start is used.
fi
# Debian/Whonix-based update slot #9
if [ "$debian_based_template_9" ]; then
qvm-start "$debian_based_template_9" #Needed to avoid premature qvm-run shutdown, important here.
qvm-run "$debian_based_template_9" "xterm -e sudo apt-get update '$debian_testing'"
qvm-run "$debian_based_template_9" "xterm -e sudo apt-get dist-upgrade '$debian_testing'"
#qvm-run "$debian_based_template_9" 'xterm -e sudo apt autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$debian_based_template_9" --wait #Needed if qvm-start is used.
fi
# Debian/Whonix-based update slot #10
if [ "$debian_based_template_10" ]; then
qvm-start "$debian_based_template_10" #Needed to avoid premature qvm-run shutdown, important here.
qvm-run "$debian_based_template_10" "xterm -e sudo apt-get update '$debian_testing'"
qvm-run "$debian_based_template_10" "xterm -e sudo apt-get dist-upgrade '$debian_testing'"
#qvm-run "$debian_based_template_10" 'xterm -e sudo apt autoremove' # Remember you are asked to confirm for a reason, it may not always be a good to autoremove.
qvm-shutdown "$debian_based_template_10" --wait #Needed if qvm-start is used.
fi
$(toggle-shutdown-sys-whonix)
##Conclusion: Question message, whether to restart or not.
##For this part of the Script logic, credit goes to rhss6-2011 @ https://ubuntuforums.org/showthread.php?t=2239195
ans=$(zenity --width="520" --height="200" --title="uQUS has reached its conclusion." --question --text='The update-script has successfully reached its conflusion.\n\n- Click "Yes" to perform a full system restart.\n\n- Click "No" if no restart is required or you wish to restart manually later.\n\n- Whenever in doubt, consider a full system reboot.' --ok-label="Yes, shutdown Qubes." --cancel-label="No, keep running." 2> /dev/null
if [ $? = 0 ] ; then
command=$(xterm -e shutdown -h now) #use 'reboot -h now' instead of shutdown if you want the 'Yes' button to perform a reboot.
else
command=$()
fi
)
# >>>>usage-notes!<<<<
##1) Be sure you have enough free RAM to run every updated template, all are run one at a time. ##1) Be sure you have enough free RAM to run every updated template, all are run one at a time.
##2) The script will halt if it is interupted, such as not enoguh RAM, errors/logs are currently not reported. ##2) The script will halt if it is interupted, such as not enoguh RAM, errors/logs are currently not reported.
##3) VMs will proceed and shutdown automatically if no updates, or after succesfull update install. ##3) VMs will proceed and shutdown automatically if no updates, or after succesfull update install.
@ -32,89 +276,19 @@
##7) Only use current-testing if you know what you are getting yourself into (untested updates). ##7) Only use current-testing if you know what you are getting yourself into (untested updates).
##8) This script release version is only tested on Qubes 4.0, but presumably may work on Qubes 3.2. ##8) This script release version is only tested on Qubes 4.0, but presumably may work on Qubes 3.2.
# To-do notes: # >>>>To-do-notes<<<<
##1) Further streamline script, making it easier to customize with symbolic links. ##1) Further streamline script, making it easier to customize with symbolic links.
##2) Reducing the risk that users mistakenly run testing, or out-of-sync dom0/template updates. ##2) Reducing the risk that users mistakenly run testing, or out-of-sync dom0/template updates.
##3) If feasible, presenting the logs for each update, saved in a dated folder for every time script is run. ##3) If feasible, presenting the logs for each update, saved in a dated folder for every time script is run.
## - If feasible, reporting errors and logs to the user during or after the update has finished. ## - If feasible, reporting errors and logs to the user during or after the update has finished.
## - If succesful, it removes one of the two major concerns of including the -y attribute, making it easier to use. ## - If succesful, it removes one of the two major concerns of including the -y attribute, making it easier to use.
##4) Investigate whether --clean can be removed or changed from the dom0 update command. ##4) - (Done) Investigate whether --clean can be removed or changed from the dom0 update command.
##5) Investigate the feasibility of a simple GUI interface to select or de-select script script-options (possibly long-term). ##5) Investigate the feasibility of a simple GUI interface to select or de-select script script-options (possibly long-term).
##6) Fixing the progress bar, and picking the best approach to inform the user. ##6) Fixing the progress bar, and picking the best approach to inform the user.
##7) A better means to stop the script pre-maturely but safely, because it is a long chain of events to update all VM's. ##7) A better means to stop the script pre-maturely but safely, because it is a long chain of events to update all VM's.
# >>>>Author<<<<
## Aekez @ https://github.com/Qubes-Community
# >>>>Feedback & Contributions<<<<
# Warning message: ## Feedback and/or new contributoers are welcome, please use QCC Pull Request, or feel free to contact me.
## This warning meesage can be disabled with a #. It includes essential warning for new users
## not aware of the pitfalls of scripts. Its highly recommended that new users study how the
## script works, it's not very complicated, but also not straight simple either.
zenity --width="420" --height="200" --title="Welcome to UQUS!" --info --text='This script allows you to easily keep Qubes 4 in a good state with proper update maintenance.\n\n\- Warning! Please read the comments inside the script carefully before running this script, and remember to do your routine backups.\n' 2> /dev/null
#xterm -e 'sudo qubes-dom0-update --clean'
#xterm -e 'sudo qubes-dom0-update --enablerepo=qubes-dom0-current-testing --clean'
wait
echo -ne "$(tput setaf 4)($(tput setaf 6)# $(tput setaf 4)) $(tput setaf 6)Dom0 update has finished.$(tput setaf 9)\n"
qvm-start fedora-26 #Needed to avoid premature qvm-run shutdown.
wait
qvm-run fedora-26 'xterm -e sudo dnf update --refresh'
wait
#qvm-run fedora-26 'xterm -e sudo dnf update --enablerepo=qubes-vm-*-current-testing --refresh'
#wait
qvm-shutdown fedora-26 #Needed if qvm-start is used.
wait
echo -ne "$(tput setaf 4)(#$(tput setaf 6)# $(tput setaf 4)) $(tput setaf 6)Fedora-26 update has finished.$(tput setaf 9)\n"
qvm-start debian-9 #Needed to avoid premature qvm-run shutdown, important here.
wait
qvm-run debian-9 'xterm -e sudo apt-get update; xterm -e sudo apt-get dist-upgrade'
wait
#qvm-run whonix-gw 'xterm -e sudo apt-get update -t *-testing; xterm -e sudo apt-get dist-upgrade -t *-testing'
#wait
qvm-shutdown debian-9 #Needed if qvm-start is used.
wait
echo -ne "$(tput setaf 4)(##$(tput setaf 6)# $(tput setaf 4)) $(tput setaf 6)Debian-9 update has finished.$(tput setaf 9)\n"
qvm-start whonix-ws #Needed to avoid premature qvm-run shutdown, important here.
wait
qvm-run whonix-ws 'xterm -e sudo apt-get update; xterm -e sudo apt-get dist-upgrade'
wait
#qvm-run whonix-gw 'xterm -e sudo apt-get update -t *-testing; xterm -e sudo apt-get dist-upgrade -t *-testing'
#wait
qvm-shutdown whonix-ws #Needed if qvm-start is used.
wait
echo -ne "$(tput setaf 4)(###$(tput setaf 6)# $(tput setaf 4)) $(tput setaf 6)Whonix-WS update has finished.$(tput setaf 9)\n"
qvm-start whonix-gw #Needed to avoid premature qvm-run shutdown, important here.
wait
qvm-run whonix-gw 'xterm -e sudo apt-get update; xterm -e sudo apt-get dist-upgrade'
wait
#qvm-run whonix-gw 'xterm -e sudo apt-get update -t *-testing; xterm -e sudo apt-get dist-upgrade -t *-testing'
#wait
qvm-shutdown whonix-gw #Needed if qvm-start is used.
wait
echo -ne "$(tput setaf 4)(####$(tput setaf 6)#$(tput setaf 4)) $(tput setaf 6)Whonix-GW update has finished.$(tput setaf 9)\n"
wait
echo -ne "$(tput setaf 4)(#####) $(tput setaf 6)The uQUS script has finished.\n"
echo -ne '\n'$(tput setaf 9)
#qvm-shutdown sys-whonix #Optional.
#wait
##Conclusion: Question message, whether to restart or not.
##For this part of the Script logic, credit goes to rhss6-2011 @ https://ubuntuforums.org/showthread.php?t=2239195
ans=$(zenity --width="420" --height="200" --title="uQUS has reached its conclusion." --question --text='The update-script has successfully reached its conflusion.\n\n- Click "Yes" to perform a full system restart.\n\n- Click "No" if no restart is required or you wish to restart manually later.\n\n- Normal template updates? It is recommended to restart VMs.\n- Qubes OS updates? It is recommended to perofmr a full system re-start.' --ok-label="Yes" --cancel-label="No" 2> /dev/null
if [ $? = 0 ] ; then
command=$(xterm -e shutdown -h now) #use 'reboot -h now' instead of shutdown if you want the 'Yes' button to perform a reboot.
else
command=$()
fi
)