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osdse [2025/03/20 11:55] – [PostgreSQL] davidosdse [2025/04/03 11:40] (current) – [Python] david
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 Hostname: ''osdse.roman-halliday.com'' Hostname: ''osdse.roman-halliday.com''
  
-<code shell>+<code bash>
 ################################################################ ################################################################
 # As root : or sudo su # As root : or sudo su
Line 35: Line 35:
 systemctl restart ssh systemctl restart ssh
 </code> </code>
 +
 +==== Firewall ====
 +See [[server_configuration:firewall|Firewall]]
 +<code bash>
 +# Allow SSH before we turn on
 +sudo ufw allow 22
 +# Enable Firewall
 +sudo ufw enable
 +# View status
 +ufw status
 +</code>
 +
 +==== GitHub ====
 +As user (if interaction with git repos is required):
 +  * https://docs.github.com/en/authentication/connecting-to-github-with-ssh/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent
 +  * https://docs.github.com/en/authentication/connecting-to-github-with-ssh/adding-a-new-ssh-key-to-your-github-account
 +<code bash>
 +ssh-keygen -t ed25519 -C "david@osdse.roman-halliday.com"
 +
 +vi ~/.ssh/id_ed25519.pub
 +</code>
 +
  
 ===== Python ===== ===== Python =====
 If you need multiple versions/more control, go for [[https://github.com/pyenv/pyenv|pyenv]]. But in most cases the latest stable will be fine (right how that's 3.12). If you need multiple versions/more control, go for [[https://github.com/pyenv/pyenv|pyenv]]. But in most cases the latest stable will be fine (right how that's 3.12).
 +
 +==== Basic (one python) ====
  
 Ubuntu searching python versions Ubuntu searching python versions
-<code shell>+<code bash>
 apt-cache search python3 | grep 'python3 ' apt-cache search python3 | grep 'python3 '
 apt-cache search python3 | grep -e 'python3\.[0-9][0-9]-full' apt-cache search python3 | grep -e 'python3\.[0-9][0-9]-full'
Line 46: Line 70:
  
 Just get the latest full package for this version of Ubuntu (more than we need, but it's not like it's expensive) Just get the latest full package for this version of Ubuntu (more than we need, but it's not like it's expensive)
-<code shell>+<code bash>
 sudo apt-get install python3-full sudo apt-get install python3-full
  
Line 53: Line 77:
 </code> </code>
  
 +Optional (make the word python still point to python3):
 +<code bash>
 +sudo apt-get install python-is-python3
 +
 +# Test
 +python --version
 +</code>
 +
 +==== pyenv (multiple python versions) ====
 +
 +Prerequisite for ''pyenv'' to build some things:
 +<code bash>
 +sudo apt-get install build-essential
 +</code>
 +
 +Install ''pyenv'' (not an ubuntu package):
 +<code bash>
 +curl https://pyenv.run | bash
 +</code>
 +
 +Make the changes to ''.bashrc'' as suggested.
 +
 +Then install the python version you wish to have:
 +<code bash>
 +pyenv install 3.11
 +</code>
 +
 +View python versions:
 +<code bash>
 +pyenv versions
 +</code>
  
 ===== PostgreSQL ===== ===== PostgreSQL =====
 see: [[server_configuration:postgres|PostgreSQL]] see: [[server_configuration:postgres|PostgreSQL]]
  
-<code shell>+<code bash>
 apt-cache search postgres | grep '^postgresql-*[0-9]* ' apt-cache search postgres | grep '^postgresql-*[0-9]* '
 sudo apt-get install postgresql sudo apt-get install postgresql
 </code> </code>
  
 +==== Config ====
 +
 +<code bash>
 +sudo vi /etc/postgresql/16/main/postgresql.conf
 +</code>
 +<code>
 +listen_addresses = '*'          # what IP address(es) to listen on;
 +</code>
 +<code bash>
 +sudo vi /etc/postgresql/16/main/pg_hba.conf
 +</code>
 +<code>
 +#host    all             all             127.0.0.1/32            scram-sha-256
 +host    all             all             0.0.0.0/0               scram-sha-256
 +</code>
 +
 +<code bash>
 +/etc/init.d/postgresql restart
 +</code>
 +
 +Firewall:
 +<code bash>
 +sudo ufw allow 5432
 +</code>
 +
 +Configure simple shop: https://github.com/d-roman-halliday/simple_shop_data_generator/blob/main/database_setup/database_and_users_postgres.sql
  
 ===== MySQL ===== ===== MySQL =====
 See: [[server_configuration:mysql|]] See: [[server_configuration:mysql|]]
  
 +===== Apache =====
 +See: [[server_configuration:apache|Apache2 Configuration]]
 +
 +<code bash>
 +sudo apt-cache search apache2 | grep php
 +sudo apt-cache search php | grep mysql
 +sudo apt-cache search php | grep pgsql
 +</code>
 +
 +Apache, PHP and connectivity for MySQL & PostgreSQL:
 +<code bash>
 +sudo apt-get install apache2 libapache2-mod-php php-mysql php-pgsql
 +</code>
 +
 +Python: wsgi
 +<code bash>
 +sudo apt-cache search apache2 | grep wsgi
 +</code>
 +
 +Apache, Python:
 +<code bash>
 +sudo apt-get install apache2 libapache2-mod-wsgi-py3
 +</code>
 +
 +<code bash>
 +sudo ufw app list
 +
 +sudo ufw allow 'Apache Full'
 +
 +sudo ufw status
 +</code>
 +
 +<code bash>
 +# certbot                : Generates certificates
 +# python3-certbot-apache : Automates the apache part
 +sudo apt-get install certbot python3-certbot-apache
 +
 +sudo certbot --apache
 +</code>
 +
 +==== Website & Data Viewer ====
 +
 +<code bash>
 +cd /var/www/html
 +sudo vi index.html
 +
 +</code>
 +<file html index.html>
 +<!DOCTYPE html>
 +<html lang="en">
 +
 +<head>
 +  <meta charset="utf-8">
 +  <meta name="viewport" content="width=device-width, initial-scale=1">
 +  <title>Home: osdse.roman-halliday.com</title>
 +  <link rel="stylesheet" href="styles.css">
 +</head>
 +
 +<body>
 +  <h1>Home : osdse.roman-halliday.com</h1>
 +  <p>See the sample data:</p>
 +  <ul>
 +          <li>Explore: <a href="sample_data_explore/">explore</a> (username: <code>simple_shop_adminer_reader</code> password: <code>simple_shop_adminer_reader_password</code>)</li>
 +          <li>Docs: https://github.com/d-roman-halliday/simple_shop_data_generator</li>
 +  </ul>
 +</body>
 +
 +</html>
 +</file>
 +
 +Adminer User on DB:
 +<code bash>
 +sudo -i -u postgres psql
 +</code>
 +<code sql>
 +CREATE USER simple_shop_adminer_reader  WITH ENCRYPTED PASSWORD 'simple_shop_adminer_reader_password';
 +
 +\c simple_shop;
 +
 +-- Grant privileges for simple_shop_adminer_reader (read-only access)
 +GRANT CONNECT ON DATABASE simple_shop TO simple_shop_adminer_reader;
 +GRANT USAGE ON SCHEMA public TO simple_shop_adminer_reader;
 +GRANT pg_read_all_data TO simple_shop_adminer_reader;
 +</code>
 +
 +Adminer:
 +<code bash>
 +sudo mkdir -p sample_data_explore
 +cd sample_data_explore
 +sudo wget https://github.com/adminerevo/adminerevo/releases/download/v4.8.4/editor-4.8.4.php
 +sudo vi index.php
 +</code>
 +
 +<file php index.php>
 +<?php
 +function adminer_object() {
 +
 +  class AdminerSoftware extends Adminer {
 +
 +    function name() {
 +      // custom name in title and heading
 +      return 'Postgres Test Adminer Editor';
 +    }
 +
 +    function database() {
 +      // database name, will be escaped by Adminer
 +      return 'simple_shop';
 +    }
 +
 +    function loginForm() {
 +      echo "<table cellspacing='0' class='layout'>\n";
 +      echo $this->loginFormField('username', '<tr><th>' . lang('Username') . '<td>', '<input type="hidden" name="auth[driver]" value="pgsql"><input type="hidden" name="auth[server]" value="127.0.0.1"><input name="auth[username]" id="username" value="' . h($_GET["username"]) . '" autocomplete="username" autocapitalize="off">' . script("focus(qs('#username'));"));
 +      echo $this->loginFormField('password', '<tr><th>' . lang('Password') . '<td>', '<input type="password" name="auth[password]" autocomplete="current-password">' . "\n");
 +      echo "</table>\n";
 +      echo "<p><input type='submit' value='" . lang('Login') . "'>\n";
 +      echo checkbox("auth[permanent]", 1, $_COOKIE["adminer_permanent"], lang('Permanent login')) . "\n";
 +    }
 +
 +  }
 +
 +  return new AdminerSoftware;
 +}
 +
 +include './editor-4.8.4.php';
 +
 +</file>
 ====== Junk ====== ====== Junk ======
  
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  • Last modified: 2025/03/27 15:42
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