abelcallejo

Creating bootable Linux USB using Mac

CentOS, Ubuntu, Slackware, etc. Whatever Linux-based OS it is, you can create a bootable USB for it by using a Mac.

1. Prepare the .iso file

Download it, copy it, whatever it takes to prepare that Linux-based OS .iso file

2. Convert the .iso file into a .img.dmg

deergod1

pfSense Simple Home Configuration - 2.4.3 / 2.4.4

Starting from Scratch

This is my personal guide for installing pfSense. Hope you find it useful. I made these notes to capture the details of my "install from scratch" to ensure I didn't miss important details. Also, I'm trying build my network with discrete "disposable" components that make the system mutable and less rigid. It does not cover installing any packages like Squid or Suricata as that's way beyond the scope of a basic, functional install.

I migrated from an environment that was at various times running Tomato Toastman 1.28 or Asuswrt-Merlin on Netgear and ASUS routers across four "access points" (one always acting as the firewall/gateway, the rest as APs). It was OK pre-gigabit, but had roaming problems, and I was using large Wifi routers with most of the features disabled. Also, I found that I could easily swamp the network and tank VOIP and Wifi Calling without even trying. The only fix was to throttle everything by using Bandwidth Limit

danieleggert

GPG and git on macOS

Setup

No need for homebrew or anything like that. Works with https://www.git-tower.com and the command line.

1. Install https://gpgtools.org -- I'd suggest to do a customized install and deselect GPGMail.
2. Create or import a key -- see below for https://keybase.io
3. Run gpg --list-secret-keys and look for sec, use the key ID for the next step
4. Configure git to use GPG -- replace the key with the one from gpg --list-secret-keys

bmhatfield

# In order for gpg to find gpg-agent, gpg-agent must be running, and there must be an env
# variable pointing GPG to the gpg-agent socket. This little script, which must be sourced
# in your shell's init script (ie, .bash_profile, .zshrc, whatever), will either start
# gpg-agent or set up the GPG_AGENT_INFO variable if it's already running.

# Add the following to your shell init to set up gpg-agent automatically for every shell
if [ -f ~/.gnupg/.gpg-agent-info ] && [ -n "$(pgrep gpg-agent)" ]; then
    source ~/.gnupg/.gpg-agent-info
    export GPG_AGENT_INFO
else

edolstra

General notes

• nix-channel and ~/.nix-defexpr are gone. We'll use $NIX_PATH (or user environment specific overrides configured via nix set-path) to look up packages. Since $NIX_PATH supports URLs nowadays, this removes the need for channels: you can just set $NIX_PATH to e.g. https://nixos.org/channels/nixos-15.09/nixexprs.tar.xz and stay up to date automatically.

• By default, packages are selected by attribute name, rather than the name attribute. Thus nix install hello is basically equivalent to nix-env -iA hello. The attribute name is recorded in the user environment manifest and used in upgrades. Thus (at least by default) hello won't be upgraded to helloVariant.

  @vcunat suggested making this an arbitrary Nix expression rather than an attrpath, e.g. firefox.override { enableFoo = true; }. However, such an expression would not have a key in the user environment, unlike an attrpath. Better to require an explicit flag for this.

TBD: How to deal with search path clashes.

griches

//
//  ViewController.m
//  LIFX
//
//  Created by Gary Riches on 18/01/2016.
//  Copyright © 2016 Gary Riches. All rights reserved.
//

#import "ViewController.h"
#import "GCDAsyncUdpSocket.h"

smarthall

#include "lifx.h"

#include <arpa/inet.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>

#include <stdio.h>
#include <string.h>

Maxim-Filimonov

1. Find an ip address of site you want to access ( including subdomain as each subdomain can point to different ip) using cached DNS records -> https://www.whatsmydns.net

Example https://www.whatsmydns.net/#A/docs.semaphoreapp.com 2. Put the following in your /etc/hosts IP_ADDRESS WEBSITE_WITH_SUBDOMAIN

Example: 50.31.209.254 docs.semaphoreapp.com 3. Access website using normal address in browser. Does not require restart unless you are on windows.

blackjid

Raspberry pi dashboard

This is what we did to setup a few dashboards at platanus

You'll need

• Raspberry Pi
• Dashing Service
• Wifi stick (optional)

matthewryan

//
//  RSPlayPauseButton.h
//
//  Created by Raphael Schaad on 2014-03-22.
//  This is free and unencumbered software released into the public domain.
//


#import <UIKit/UIKit.h>