AlexBaranowski

import requests
import os

GH_TOKEN = os.environ['GH_TOKEN']
GH_HEADERS = {"Accept": "application/vnd.github+json",
              "Authorization": f"Bearer {GH_TOKEN}",
              "X-GitHub-Api-Version": "2022-11-28"}
ORG_NAME = "TODO-FIXME-YOUR-ORG-NAME"
REPO_SET=set()

AlexBaranowski

#!/usr/bin/env bash

# Author: Alex Baranowski
# License: MIT

set -e

# we only need first flag line for the cpu
cpu_flags=$(grep '^flags\b' /proc/cpuinfo | head -n 1)
echo -e "supported cpu flags:\n$cpu_flags"

AlexBaranowski

#!/usr/bin/env bash
cat > /etc/yum.repos.d/CentOS-Linux-AppStream.repo << EOF
# CentOS-Linux-AppStream.repo
#
# The mirrorlist system uses the connecting IP address of the client and the
# update status of each mirror to pick current mirrors that are geographically
# close to the client.  You should use this for CentOS updates unless you are
# manually picking other mirrors.
#
# If the mirrorlist does not work for you, you can try the commented out

AlexBaranowski

#!/usr/bin/env bash
# Author: Alex Baranowski
# License: MIT

# Max swap files tester
# magic number: 33 -> in theory 32 swap file on Linux can be used 33 = 32+1

echo "Deactivating all swaps that are used"
sudo swapoff -a

AlexBaranowski

#!/usr/bin/python3

# Copyright © 2021 Red Hat, Inc
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,

AlexBaranowski

#include<sys/sysinfo.h>
#include<stdio.h>

// NOTE: FSHIFT might differ

#define FSHIFT		16
#define FIXED_1		(1<<FSHIFT)	/* 1.0 as fixed-point */
#define LOAD_INT(x) ((x) >> FSHIFT)
#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)

AlexBaranowski

#include<stdio.h>
int main(){
    int i, j;
    for (i=0; i < 100000;i++){
        for (j=0; j < 100000;j++){
        }
    }
    printf("Finish!");
}

AlexBaranowski

#include <stdio.h>
#include "hello2.c"
void print_hello(){
    printf("Hello, World!\n");
}
int main(){
    print_hello();
    print_pi();
    return 0;
}

AlexBaranowski

For more background, see https://alan.ivey.dev/posts/2020/creating-an-ami-for-arm/.

Install Packer 1.5 or higher (template developed against v1.5.6). Ensure you have appropriate permissions for creating AMIs with Packer and Packer can access in your shell environment.

Build:

packer build centos8.pkr.hcl

AlexBaranowski

# simple script to remove all libvirt images

for i in $(sudo virsh vol-list --pool default | awk '{print $1}'); do sudo  virsh vol-delete --pool default $i; done