f9n

$ # Ilk once Virtualbox'in yaninda <Oracle VM VirtualBox Extension Pack> 'ide indirmelisiniz.
$ ### Arch Linux
$ yay virtualbox-ext-oracle

Vagrant.configure("2") do |config|
  # Box'in boyutu yaklasik 9GB'dir.
 config.vm.box = "jhcook/macos-sierra"

f9n

Generate Pdf for Websites

Wkhtmltopdf

$ sudo pacman -S wkhtmltopdf
$ wkhtmltopdf  http://www.google.com google.pdf
qt5ct: using qt5ct plugin
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile

f9n

Ssh client use only password

$ ssh -o PreferredAuthentications=password -o PubkeyAuthentication=no <login_username>@<host>

f9n

Vagrant no longer removes unused network interfaces and leaves it up to the user. This can forcibly be re-enabled using VirtualBox provider-specific config:

config.vm.provider "virtualbox" do |v|
  v.destroy_unused_network_interfaces = true
end

f9n

Problem

Error saving credentials: error storing credentials - err: exit status 1, out: The user name or passphrase you entered is not correct.

Resolution

• Remove the line "credsStore": "osxkeychain" from ~/.docker/config.json
• Deleting the file /usr/local/bin/docker-credential-osxkeychain

f9n

Installation

• Add the environment variables to /etc/environment

$ vi /etc/environment
LC_ALL="en_US.UTF-8"
LC_CTYPE="en_US.UTF-8"
LANGUAGE="en_US.UTF-8"

f9n

#!/usr/bin/env bash

docker container run -d --name some-rabbit rabbitmq:3.7.18 > /dev/null
sleep 5
docker container exec -it some-rabbit cat /var/lib/rabbitmq/.erlang.cookie 2> /dev/null
echo
docker container rm some-rabbit -f > /dev/null

f9n

#!/usr/bin/env bash
DIRPATH=$1
OUTFILE=$2

if [ -z "$1" ]; then
  DIRPATH="$HOME/.kube/clusters"
fi

if [ -z "$2" ]; then
  OUTFILE="$HOME/.kube/config"

f9n

#!/bin/bash
# https://stackoverflow.com/questions/43799932/rabbitmq-list-queues-on-all-vhosts

for i in $(rabbitmqctl list_vhosts); do
  echo "vhost: $i" && rabbitmqctl list_queues -p $i;
done

f9n

#!/bin/sh
 
LIMIT=$1

redis-cli keys "*" | head -n $LIMIT > keys.txt
cat keys.txt | xargs -n 1 -L 1 redis-cli ttl > ttl.txt

paste -d " " keys.txt ttl.txt | grep .*-1$ | cut -d " " -f 1 | xargs redis-cli del