Install Bun

bun javascript software system administration

Published on Aug 13, 2025 by dab · 1 min read

NOTES:

if you have an older CPU, you may need to use RELEASE_VARIANT="bun-linux-x64-baseline"

install_bun.sh

#!/bin/bash
set -e

# navigate to dir where script is located
SCRIPTDIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
cd $SCRIPTDIR

RELEASE_VERSION="1.2.20"
RELEASE_VARIANT="bun-linux-x64"
ZIP_FILENAME="${RELEASE_VARIANT}.zip"

# download
wget https://github.com/oven-sh/bun/releases/download/bun-v${RELEASE_VERSION}/${ZIP_FILENAME}

# verify
HASH_ZIPFILE=$(sha256sum ${ZIP_FILENAME} | cut -d " " -f 1 )
wget https://github.com/oven-sh/bun/releases/download/bun-v${RELEASE_VERSION}/SHASUMS256.txt
hashInFile=$(cat SHASUMS256.txt | grep -c "${HASH_ZIPFILE}  ${ZIP_FILENAME}")
if [ $hashInFile -eq 0 ]; then exit 1; fi;

# unpack
unzip ${ZIP_FILENAME}