mkoura

# Prompt timer using only Bash internals (no traps or external commands).
# Displays how long the last command took if it was 5 seconds or more.

__timer_stop() {
  if [ -z "${__timer_start_sec:-}" ]; then
    # If `__timer_start_sec` was already cleared, clear `__timer_show` as well, so we don't
    # keep showing an outdated timer.
    unset __timer_show
    return
  fi

mkoura

Setup for testing db-sync snapshots:

• start all services

cd cardano-db-sync
docker-compose up -d
docker-compose log -f

mkoura

{
   "name":"cardano-node-tests",
   "description":"cardano-node-tests E2E tests",
   "ticker":"IOGQA1",
   "homepage":"https://github.com/input-output-hk/cardano-node-tests"
}

mkoura

#!/bin/sh

missing_command=0
hash xprop 2>/dev/null || { echo "${0##*/}: please install xprop" >&2; missing_command=1; }
hash wmctrl 2>/dev/null || { echo "${0##*/}: please install wmctrl" >&2; missing_command=1; }
[ "$missing_command" -eq 1 ] && exit 1

case "$1" in
  res*)
    wmctrl -r :ACTIVE: -b remove,maximized_vert,maximized_horz

mkoura

# from a file print 10 lines that are directly before the last ten lines without using tail or head
{ tac | while read l; do [ "${i:=0}" -lt 20 -a "$i" -ge 10 ] && echo "$l"; i=$(($i + 1)); done | tac; } < file

# monitor changes to a file without using tail -f
while : ; do read line && echo "$line" || sleep 1; done < file

mkoura

#!/bin/sh

# list of configured VPNs:
# nmcli con show |grep vpn

# PIA London PPTP
uuid="07067b81-d1d8-46cb-8b92-59341c69fe73"

# PIA NL PPTP
#uuid="f8ac9237-4865-4757-a78d-8d525dc846e5"