jfrobbins

Creating a Multi-Resolution Favicon for Your Website

In today's web environment, having a favicon that looks good across various devices and screen resolutions is crucial. Here's a simple guide on how to create a multi-size favicon.ico file from a single 128x128 pixel image, using GIMP for resizing and icoutils on Ubuntu Linux for the final ICO creation.

Step 1: Preparing Your Image

Using GIMP to Resize Your Image

1. Open Your Image:

jfrobbins

I originally grabbed this a long time ago from plusbryan.com, but now it appears to be down... so I'm glad I saved it.

I also posted on my blog, here:

• https://jrobb.org/server/my-first-five-minutes-on-a-server/

My First 5 Minutes On A Server; Or, Essential Security for Linux Servers

Server security doesn't need to be complicated. My security philosophy is simple: adopt principles that will protect you from the most frequent attack vectors, while keeping administration efficient enough that you won't develop "security cruft". If you use your first 5 minutes on a server wisely, I believe you can do that.

Any seasoned sysadmin can tell you that as you grow and add more servers & developers, user administration inevitably becomes a burden. Maintaining conventional access grants in the environment of a fast growing startup is an uphill battle - you're bound to end up with stale passwords, abandoned intern accounts, and a myriad of "I have sudo access to Server A, but

jfrobbins

import os
import yaml
import argparse
from datetime import datetime

def convert_post(input_path, output_path):
    with open(input_path, 'r') as file:
        lines = file.readlines()
    
    # Initialize front matter with default values

jfrobbins

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
transcode_mp4_files_x265.py

A script to batch transcode .mp4 files using FFmpeg with configurable CRF values.
source: https://gist.github.com/jfrobbins/0f8ef94b1a7ff780f74a320a2fd9530c

############################################################################

jfrobbins

Converting markdown to PDFs with pandoc on macOS

Original Source:

• https://jasonmurray.org/posts/2021/pandoc2pdf/

Install pandoc with brew:

brew install pandoc

Install basictex with brew:

jfrobbins

Clean up /boot

• Source link: https://askubuntu.com/questions/345588/what-is-the-safest-way-to-clean-up-boot-partition

First check your kernel version, so you won't delete the in-use kernel image, running:

uname -r

Now run this command for a list of installed kernels:

dpkg --list 'linux-image*' | grep ^ii

jfrobbins

mostly from the url here:

• https://stackoverflow.com/questions/24961127/how-to-create-a-video-from-images-with-ffmpeg

-pattern_type glob

This great option makes it easier to select the images in many cases.

Normal speed video with one image per frame at 30 FPS

jfrobbins

######################################
# Let Fib(n) be the string formed by concatenating the first n sequential 
#   Fibonacci numbers (i.e. Fib(0) = 1, Fib(1) = 11, Fib(2) = 112, …). 
##
# Find the first ten-digit prime number that occurs as twenty sequential 
# digits in Fib(n).
#
# This prime number is the result (2584418167)
######################################
# Jon Robbins

jfrobbins

#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are
#  met:
#  
#  * Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#  * Redistributions in binary form must reproduce the above
#    copyright notice, this list of conditions and the following disclaimer
#    in the documentation and/or other materials provided with the
#    distribution.

jfrobbins

//File tConv.go
//=================================================
//syntax:
// ./tConv -F 96
// Output: 96.00°F is equal to 35.56°C

//./tConv -C 35.5
// Output: 35.50°C is equal to 95.90°F
//=================================================