useful-commands

Table of contents

1. ZFS
2. NodeJS

ZFS

• Used memory

  awk '/^size/ { print $1 " " $3 / 1048576 }' < /proc/spl/kstat/zfs/arcstats

NodeJS

• Repo setup (20.X)

  curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash -

• Package install

  apt install -y nodejs

Network

• Display PPS

  cat /sys/class/net/vmbr0/statistics/tx_packets

PHP

• Repo setup

  LC_ALL=C.UTF-8 add-apt-repository -y ppa:ondrej/php
  apt update

• Package install

  apt install -y php8.1 php8.1-{common,cli,gd,mysql,mbstring,bcmath,xml,fpm,curl,zip}