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• Shell form: exec param
• Exec form: ["exec", "param"]

	No ENTRYPOINT	ENTRYPOINT e0 p0	ENTRYPOINT ["e0", "p0"]
No CMD	error	/bin sh -c e0 p0	e0 p0
CMD ["e1", "p1"]	e1 p1	/bin sh -c e0 p0	e0 p0 e1 p1
CMD ["p1", "p2"]	p1 p2	/bin sh -c e0 p0	e0 p0 p1 p2
CMD e1 p1	/bin sh -c e1 p1	/bin sh -c e0 p0	e0 p0 /bin sh -c e1 p1

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chmod 700 ~/.gnupg
chmod 600 ~/.gnupg/*

find ~/.gnupg -type f -exec chmod 600 {}
find ~/.gnupg -type d -exec chmod 700 {}

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chmod 700 ~/.ssh
chmod 644 ~/.ssh/*
chmod 600 ~/.ssh/id_rsa

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Pre-installation cleanup

dpkg -l | grep postgres
sudo apt-get purge postgresql*  # or
sudo apt-get --purge remove postgresql\*

sudo rm -rf /var/lib/postgresql/
sudo rm -rf /var/log/postgresql/
sudo rm -rf /etc/postgresql/

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Python-3.7.0 - Ubuntu ??

sudo apt update && sudo apt upgrade -y
sudo apt install -y build-essential libbz2-dev libdb5.3-dev libexpat1-dev libffi-dev libgdbm-dev liblzma-dev libncurses5-dev libncursesw5-dev libreadline-dev libsqlite3-dev libssl-dev tcl-dev tk-dev zlib1g-dev tk openssl

cd /opt
sudo curl -sL https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tar.xz | sudo tar xJ

cd Python-3.7.0

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# On remote host do:
# ------------------

# Add user
sudo adduser <USER> sudo
# Or:
sudo adduser <USER>
sudo usermod -a -G sudo <USER>

# Change ssh configuration

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sudo apt install openvpn
# Download and apply configuration file 
sudo cp ~/Download/NNN.ovpn /etc/openvpn/work.conf
rm ~/Download/NNN.ovpn

# Optional

sudo nano /etc/openvpn/work.pass
# Add password of private certificate
sudo chmod 600 /etc/openvpn/work.pass

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sudo apt-get update
sudo apt-get upgrade
sudo nano /etc/ssh/sshd_config
# PasswordAuthentication yes
# UsePrivilegeSeparation no
sudo service ssh start

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pip3 install virtualenv
# mkdir project & cd project
virtualenv venv
virtualenv venv -p python3
source venv/bin/activate  # linux
venv\Scripts\activate  # windows
pip install Flask
pip install Flask==0.9
pip install --upgrade Flask
pip freeze > requirements.txt

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# DEPS:
# https://github.com/dropbox/dbxcli
# sudo apt-get install p7zip-full

DB_USER=
DB_PASS=
DB_NAME=
DB_TABLES=
ARC_PASS=