181192

How to increase the root partition size on Fedora

Boot up with an Fedora Live USB stick.

1. Run vgs to check if there's any space:

$ sudo vgs
  VG     #PV #LV #SN Attr   VSize    VFree
  fedora   1   3   0 wz--n- <237.28g    0 

joepie91

You don't need a blockchain.

If you're reading this, you probably suggested to somebody that a particular technical problem could be solved with a blockchain.

Blockchains aren't a desirable thing; they're defined by having trustless consensus, which necessarily has to involve some form of costly signaling to work; that's what prevents attacks like sybil attacks.

In other words: blockchains must be expensive to operate, to work effectively. This makes it a last-resort solution, when you truly have no other options available for solving your problem; in almost every case you want a cheaper and less complex solution than a blockchain.

In particular, if your usecase is commercial, then you do not need or want trustless consensus. This especially includes usecases like supply chain tracking, ticketing, and so on. The whole *p

ayubmalik

package main

/**
  Example hack to encrypt a file using a GPG encryption key. Works with GPG v2.x.
  The encrypted file e.g. /tmp/data.txt.gpg can then be decrypted using the standard command
  gpg /tmp/data.txt.gpg

  Assumes you have **created** an encryption key and exported armored version. 
  You have to read the armored key directly as Go cannot read pubring.kbx (yet).

mreferre

# Inspired by: https://stackoverflow.com/questions/42170380/how-to-add-users-to-kubernetes-kubectl
# this script creates a service account (user1) on a Kubernetes cluster (tested with AWS EKS 1.9)
# prereqs: a kubectl ver 1.10 installed and proper configuration of the heptio authenticator
# this has been tested on Linux in a Cloud9 environment (for MacOS the syntax may be slightly different)

**************************************************
*******           Create an account        ******* 
**************************************************
# Create service account for user user1
kubectl create sa user1

uraimo

Switching to DNS over TLS on macOS

How to configure your Mac to use DNS over TLS in five easy steps:

1. Install Stubby with Homebrew (https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Daemon+-+Stubby):

    brew install stubby
   

2. Edit the configuration file:

timotgl

# How to uninstall Razer Synapse 2 ( https://www.razerzone.com/synapse-2 )
# on OS X (10.11-10.13) (El Capitan, Sierra, High Sierra)
# without using Razer's official uninstall tool.

# Tested on OS X 10.11.5 in July 2016.
# Edited with additional steps for later OS X versions,
# contributed by commenters on this gist.

# Step 1: In your terminal: stop and remove launch agents
launchctl remove com.razer.rzupdater

vsouza

# Set variables in .bashrc file

# don't forget to change your path correctly!

export GOPATH=$HOME/golang
export GOROOT=/usr/local/opt/go/libexec
export PATH=$PATH:$GOPATH/bin
export PATH=$PATH:$GOROOT/bin