#########################
Nginx load / DoS testing 
#########################
https://ourcodeworld.com/articles/read/949/how-to-perform-a-dos-attack-slow-http-with-slowhttptest-test-your-server-slowloris-protection-in-kali-linux
slowhttptest -c 10000 -H -g -o ./output_file -i 3 -r 500 -t GET -u http://jumpbox.domain.com -x 24 -p 2


###############################################
Audit Guacamole Connections and User access.
###############################################
mysql -u root -p guacamole_db
select 
    guacamole_entity.name, 
    guacamole_connection.connection_name, 
    guacamole_connection_permission.permission 
from 
    guacamole_connection 
    left join guacamole_connection_permission on guacamole_connection_permission.connection_id = guacamole_connection.connection_id 
    left join guacamole_entity on guacamole_entity.entity_id = guacamole_connection_permission.entity_id 
where 
    guacamole_connection_permission.permission = 'READ' 
    and guacamole_entity.name != 'guacadmin';
Quit to exit


###############################################
# Manually reset TOTP configuration for a user 
###############################################
#This is likely not needed beyond in Gucamole 1.40 as the gui provides an option to reset. Kept for reference.
mysql -u root -p
use guacamol_db;
SELECT user_id FROM guacamole_user INNER JOIN guacamole_entity ON guacamole_entity.entity_id = guacamole_user.entity_id WHERE guacamole_entity.name = 'guacadmin';
UPDATE guacamole_user_attribute SET attribute_value='false' WHERE attribute_name = 'guac-totp-key-confirmed' and user_id = '1';
quit;


####################
Guacamole Debug mode
####################
sudo systemctl stop guacd && sudo /usr/local/sbin/guacd -L debug -f
Verbose logs will start in the console.


##############################
Switch to Debian Testing repo
##############################
sudo apt update && sudo apt upgrade -y # Update first 
sudo cp /etc/apt/sources.list sources.list.backup # Backup sources list 
sudo sed -i 's/bullseye/testing/g' /etc/apt/sources.list # Switch to testing 

sudo nano /etc/apt/sources.list # Now manually edit
	comment out all lines having "security.debian.org" 
	comment out all lines that end with "updates"
	add this line: deb http://security.debian.org testing-security main

sudo apt update && sudo apt-get install --only-upgrade libssh2-1-dev # update an individual package