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Getting Started with ChatGPT Codex + Mastra Agents

Step-by-Step Instructions

1. Open the ChatGPT Codex task setup panel. This is where you configure your environment before starting a task.

2. Locate the "Setup Script" field. You’ll see a note that internet access is disabled after the script runs.

cetex

import zipfile
from lxml import etree
import argparse

def process_element(elem, namespaces):
    w = namespaces['w']
    tag = elem.tag
    if tag == f'{{{w}}}ins':
        author = elem.attrib.get(f'{{{w}}}author', 'Unknown')
        content = ''.join(process_element(child, namespaces) for child in elem)

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#!/bin/bash
set -e

usage() {
        echo "Usage: $0 [-k <ssh-key> ] [-r <region>] instance_id" 1>&2
        echo "Connect to Ec2-instance serial-console via ssh" 1>&2
        echo "Options:" 1>&2
        echo "  -k ssh-key      path to key uploaded to amazon for ssh-access OR" 1>&2
        echo "                  name of key "my_key" will use ~/.ssh/my_key.pub" 1>&2
        echo "  -r region       AWS region of instance, eu-west-1" 1>&2

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#!python3

def calculate_min_initial_cost(loan, rate, inflation, years):
    if rate == inflation:
        return (loan * (1-rate))/years
    else:
        return (
                    (loan * (rate - inflation))
                    /
                    (

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# Set default state for services getting installed.
# Disable all services by default
disable *

# But if the service getting installed is ssh - enable it
enable ssh.service

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[gcode_macro M107]
description: Override M107 - Call M106 S0 so we wait for fan to spin-down.
rename_existing: G99321321
gcode:
        M106 S0

[gcode_macro M106]
description: Overide M106 with a macro which sets speed, calculates a target range then within 100ms pauses print and waits for fan to spool up / down if spead hasn't been reached.
rename_existing: G99123123

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[gcode_macro M106]
description: Overide M106 with a macro which waits for fan to spool up / down.
variable_fan_rpm_extra_diff: 1000
rename_existing: G99123123
gcode:
        {% set speed = params.S | default(255) | int %}
        # From google sheets: https://docs.google.com/spreadsheets/d/1sft29z37njtjudYw_bwkCwU5Mn8ZIfSqpJF49LV38YE
        # Formula: -6634 + 260x + -0.829x^2 + 1.23E-03x^3
        {% set target_rpm = -6634 + 260 * speed + -0.829 * (speed **2) + 0.00123 * (speed ** 3) %}
        # Clamp to minimum of 0.

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package main

import (
	"flag"
	"fmt"
	"github.com/coreos/go-systemd/sdjournal"
	"io/ioutil"
	"log"
	"regexp"
	"time"

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10:12:27 WARNING: WebEngine compiled with X11 support, however qpa backend is not xcb. This may fail.
[0206/101227.198997:WARNING:stack_trace_posix.cc(699)] Failed to open file: /home/oskar/#18746720 (deleted)
  Error: No such file or directory
10:12:27 WARNING: Wayland does not support QWindow::requestActivate()
[16036:16056:0206/101227.977089:ERROR:nss_ocsp.cc(614)] No URLRequestContext for NSS HTTP handler. host: ocsp.digicert.com
[16036:16056:0206/101227.977118:ERROR:nss_ocsp.cc(614)] No URLRequestContext for NSS HTTP handler. host: ocsp.digicert.com
[16036:16056:0206/101227.978273:ERROR:nss_ocsp.cc(614)] No URLRequestContext for NSS HTTP handler. host: crl3.digicert.com
[16036:16056:0206/101227.979272:ERROR:nss_ocsp.cc(614)] No URLRequestContext for NSS HTTP handler. host: ocsp.digicert.com
[16036:16056:0206/101227.979291:ERROR:nss_ocsp.cc(614)] No URLRequestContext for NSS HTTP handler. host: ocsp.digicert.com
[16036:16056:0206/101227.979343:ERROR:nss_ocsp.cc(614)] No URLRequestContext for NSS HTTP hand

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#docker run -i -t -v $(pwd)/:/mnt ubuntu:xenial /bin/bash
# Add deb-src to apt
#sed -i 's/^# deb-src/deb-src/g' /etc/apt/sources.list
#apt-get update
# Grab build-dependencies
#apt-get install dpkg-dev git devscripts quilt
#apt-get build-dep nginx
# Grab nginx-source
apt-get source nginx
cd nginx-*