f4th4n

// auto fill captcha
// open http://www.seoreviewtools.com/bulk-seomoz-authority-checker/
// open console
// paste this code

var questionText = $('.captcha').text()
var questionNumber = questionText.substring(0, questionText.indexOf('='));
questionNumber = questionNumber.substring(8)
var answer = eval(questionNumber)
$('#captcha').val(answer)

f4th4n

# Press F5 on command line to drop cache
# Tested on Ubuntu 16
is_sudoed=false
eval "f5() {zle push-line;LBUFFER+='fkey_f5';zle accept-line}"
zle -N f5
bindkey '^[[15~' f5
function fkey_f5 {
    if [ "$is_sudoed" = 'true' ]; then
        sync | sudo tee /proc/sys/vm/drop_caches
    else

f4th4n

fallocate -l 4G /swapfile
chmod 600 /swapfile
mkswap /swapfile
swapon /swapfile
swapon -s

f4th4n

youtube-dl -i --extract-audio --audio-format mp3