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Calculate rounded percentage in bash using bc

gistfile1.txt This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode...

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codeacademy CSS L8

composer-install.sh This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden...

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Create new sudo user; disable root login via SSH

noroot-ssh.txt This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode...

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Plot BTC Market Cap Weekly EMAs

btc-mc-EMA-plot.py This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden...

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Vim configuration

.vimrc This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode...

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Extract text from PDF files

pdf_text.py This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode...

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Extract text from a PDF given its URL

pdf_url_text.py This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode...

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ssh_vim_bash_SETUP

ssh_vim_bash_SETUP.mdno root sshCreate a new non-root user, follow the prompts: # adduser <new-username>Give sudo permissions to the new user: # usermod -aG sudo <new-username>Check groups...

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Convert between bitcoin public key types: xpub/ypub/zpub

convert_xyz_pub.py This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden...

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My collection of bitcoin-related RSS newsfeeds.

AA-Bitcoin-RSS-Feeds.opml This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals...

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keybase.md

keybase.mdKeybase proofI hereby claim:I am 84adam on github.I am bc1984adam (https://keybase.io/bc1984adam) on keybase.I have a public key ASDrUT8jKjB08T4GWNscufRGcL8f3n_OwmDxfHfcK8LLRgoTo claim this,...

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Python Systemd Daemon Example

python-systemd-daemon-example.mdCreate a program in pythonExample: x.py prints out increasingly large random numbers, once per second:import math from random import randint from time import sleep t = 0...

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5Y5Y-inflation-swaps.py

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Apply a function to one column and assign the output to two pandas dataframe...

pandas-one-in-two-out-apply.py This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals...

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Known Public Neutrino-Enabled Bitcoin Full Nodes

neutrino-bitcoin-nodes.md[Application Options] feeurl=https://nodes.lightning.computer/fees/v1/btc-fee-estimates.json [Bitcoin] bitcoin.active=1 bitcoin.mainnet=1 bitcoin.node=neutrino [neutrino]...

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Monitor Esplora/Electrs compaction process

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Simple Go Website

main.go This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode...

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Python Clean Code Tips & Tools

tips.txt This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode...

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Calculate future bitcoin supply and inflation

bitcoin-inflation.py This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden...

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i2pd.service: control/unit file, systemd service definition

i2pd.service This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode...

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PostgreSQL: format multiple columns into string for each row using a...

postgres-separators.txt This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden...

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Decode Keys/Values from Postgres LND Database

lnd-postgres-kv-decoder.py This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals...

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bcrypt/argon2/pbkdf2 hash test -- target a work factor that requires at least...

bcrypt-argon2-pbkdf2-hash-test.py This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that...

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Bash-C Hello World: Compile and run a C program from a single Bash script

bash_c_example.sh This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden...

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check namespaces plus associated processes and users

check-namespaces.sh This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden...

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Go WASM Hello World - Debian/x86

go-wasm-hello-world.sh This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden...

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Password Entropy Calculator: Go + WASM (Debian/x86) -- Bash Deployment Script

password-entropy.sh This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden...

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Open WebUI + Ollama + DeepSeek-R1-Distill-Qwen-1.5B

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Install JDK 23.0.2 and Gradle 8.10.2 on Linux (x86_64, apt or dnf)

install-java-gradle.sh This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden...

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Challenges (bitcoin, script, keys, crypto etc.)

challenges.md(parentheses + italics = commentary, questions on how these challenges are structured. obviously not intended to be in the text for the students.)Challenge 1: The fees are all mine(d)...

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