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echo 0 | sudo tee /sys/module/hid_apple/parameters/fnmode

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Install Robo3t On Ubuntu 18.04

Download the package form Robo3t or using wget

wget https://download.robomongo.org/1.2.1/linux/robo3t-1.2.1-linux-x86_64-3e50a65.tar.gz

Extract here using

tar -xvzf robo3t-1.2.1-linux-x86_64-3e50a65.tar.gz

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echo never > /sys/kernel/mm/transparent_hugepage/enabled
echo never > /sys/kernel/mm/transparent_hugepage/defrag

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Registration Code
Name                : www.xyraclius.com
Serial              : OOCRYIMDMDPWRETFPSUZ

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map $http_user_agent $device_type
{
    default "desktop";

    # Mobile bots
    "~*SAMSUNG-SGH-E250\/1\.0 Profile\/MIDP-2\.0 Configuration\/CLDC-1\.1 UP\.Browser\/6\.2\.3\.3\.c\.1\.101 \(GUI\) MMP\/2\.0 \(compatible; Googlebot-Mobile\/2\.1; \+http:\/\/www\.google\.com\/bot\.html\)" 'botm';
    "~*DoCoMo\/2\.0 N905i\(c100;TB;W24H16\) \(compatible; Googlebot-Mobile\/2\.1; \+http:\/\/www\.google\.com\/bot\.html\)" "botm";
    "~*Mozilla\/5\.0 \(iPhone; CPU iPhone OS 8_3 like Mac OS X\) AppleWebKit\/600\.1\.4 \(KHTML, like Gecko\) Version\/8\.0 Mobile\/12F70 Safari\/600\.1\.4 \(compatible; Googlebot\/2\.1; \+http:\/\/www\.google\.com\/bot\.html\)" "botm";
    "~*Mozilla\/5\.0 \(Linux; Android 6.0.1; Nexus 5X Build/MMB29P\) AppleWebKit\/537\.36 \(KHTML, like Gecko\) .+ \(compatible; Googlebot\/2.1; \+http:\/\/www\.google\.com\/bot\.html\)" "botm";
    

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upstream api_example_net {
  server api.example.net:4000;
  keepalive 600;
}

proxy_cache_path /var/cache/nginx/tag levels=1:2 keys_zone=tag:10m inactive=1d max_size=10g;

server {
  listen 80;
  server_name api.example.net;

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tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

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Headless Ethminer (nVidia) Setup Guide

Cian Johnston, July 2017

A couple of weeks ago, I decided I should put my gaming rig to work crypto mining. I did not expect to make any significant profit on this, it was more of a fun project to set up. However, there were a large number of tutorials and guides already out there, and many were more than a year out of date.

This guide assumes the reader already has a crypto wallet set up, is comfortable with Linux and the command line, and knows how to use Google if they run into problems.

The end result is an Ubuntu 16.04 LTS headless server running CUDA ethminer via systemd.

Hardware

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Two way iframe communication

The main difference between the two pages is the method of sending messages. Recieving messages is the same in both.

Parent

Send messages to iframe using iframeEl.contentWindow.postMessage Recieve messages using window.addEventListener('message')

iframe

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Safest way to clean up boot partition - Ubuntu 14.04LTS-x64

Reference

Case I: if /boot is not 100% full and apt is working

1. Check the current kernel version

$ uname -r