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# Create a new Vue app
vue create APPNAME

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sudo su - postgres
psql -d template1
alter user postgres with password 'new password';
exit # psql

exit # postgres login shell

systemctl restart postgresql

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allow_any_instance_of(ActionController::TestRequest).to receive(:referrer) { 'whatever' }

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Kernel.silence_warnings do
  # do stuff here
end

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# Some versions of Rails have a bug where you cannot even examine the `params` object in IRB or Pry
# If you get a message like: "unable to convert unpermitted parameters to hash" when you try to look at it
# You can do this:
params.permit!

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# List the services
synoservice --list

# Stop a service
synoservicectl --stop pkgctl-EmbyServer

# Start a service
synoservicectl --start pkgctl-EmbyServer

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# For a couple files..
tar -czf archive.tar.gz file1 file2

# For an entire directory - recursively
tar -cfz archive.tar.gz directory_path

# Create an archive and send to another host over SSH - extract it there
tar cvf - project | ssh user@ip_addr "tar xv -C /var/www"

# Extract a tar.gz file

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-- If necessary:
-- sudo su - postgres
-- psql

ALTER ROLE username WITH PASSWORD 'password';

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https://askubuntu.com/questions/1167691/passwordless-login-with-yubikey-5-nfc

Here is my approach:

To enable a passwordless sudo with the yubikey do the following:

sudo apt-get install libpam-u2f
# Open terminal
# Insert yubikey

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-- Before starting postgres server
-- export ENVNAME='whatever'
-- pg_ctl -D /usr/local/var/postgres [etc...] start

DROP TABLE IF EXISTS env;
DROP TABLE IF EXISTS env_tmp;
CREATE TEMP TABLE env_tmp(e text);
CREATE TEMP TABLE env(k text, v text);

COPY env_tmp ( e ) FROM PROGRAM 'env';