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#1 site backup - copy the live-docs folder
$ mkdir ~/drupal_dumps/PROJECT_NAME
# copy and retain permissions
$ sudo cp -a ./* ~/dumps/PROJECT_NAME/
# copy
$ cp -r ./* ~/drupal_dumps/PROJECT_NAME/

#2 do a db backup (make sure -u is mysql unsername)
$ mysqldump -u -p --add-drop-table DATABASENAME > ~/DATABASENAME.sql

#3 CD to website and run
$ drush up drupal
# or
$ drush up --security-only

# ---

#Set the password for any user
$ drush upwd admin --password="admin"

# Recursive removal:
$ rm -rf /path/to/directory