davecoutts

# Install Ubiquiti Unifi Controller on Ubuntu 20.04.
# As tested on a fresh install of ubuntu-20.04.1-live-server, August 22nd 2020.
# Thanks to https://gist.github.com/tmuncks for posting the updated install steps.

sudo apt update
sudo apt install --yes apt-transport-https

echo 'deb https://www.ui.com/downloads/unifi/debian stable ubiquiti' | sudo tee /etc/apt/sources.list.d/100-ubnt-unifi.list
sudo wget -O /etc/apt/trusted.gpg.d/unifi-repo.gpg https://dl.ui.com/unifi/unifi-repo.gpg

dmitry-mukhin

{
    "name": "uploadcare/custom-s3",
    "description": "Custom S3 storage example",
    "license": "MIT",
    "authors": [
        {
            "name": "Dmitry Mukhin",
            "email": "[email protected]"
        }
    ],

b13n1u

#Migrate i-mscp to a new server 
#the new imscp is already installed and does have a different IP than the old one

#1. Dump the DB and copy the i-MSCP backup to new server:
rsync -rave "ssh -l root" /var/www/imscp/backups 10.0.0.3:/var/tmp/imscp_old_backups

#2.Install the old config DB

#3. Copy all customer data:
rsync -rave "ssh -l root " /var/www/virtual/ 10.0.0.3:/var/www/virtual

philfreo

{
  "Statement": [
    {
      "Sid": "AllowPublicRead",
      "Effect": "Allow",
      "Principal": {
        "AWS": "*"
      },
      "Action": "s3:GetObject",
      "Resource": "arn:aws:s3:::bucket_name_here/*"

mauris

<?php

$randomValue = mt_rand();

$even = $randomValue & ~1;
$odd = $randomValue | 1;

// magical unicorn isn't it?

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

johnantoni

ssh [email protected]

vi /etc/ssh/sshd_config

# override default of no subsystems
#Subsystem      sftp    /usr/libexec/sftp-server
Subsystem       sftp    internal-sftp

# restart ssh

dzuelke

<?php

// secure hashing of passwords using bcrypt, needs PHP 5.3+
// see http://codahale.com/how-to-safely-store-a-password/

// salt for bcrypt needs to be 22 base64 characters (but just [./0-9A-Za-z]), see http://php.net/crypt
$salt = substr(strtr(base64_encode(openssl_random_pseudo_bytes(22)), '+', '.'), 0, 22);

// 2y is the bcrypt algorithm selector, see http://php.net/crypt
// 12 is the workload factor (around 300ms on my Core i7 machine), see http://php.net/crypt

tylerhall

<?PHP
// Generates a strong password of N length containing at least one lower case letter,
// one uppercase letter, one digit, and one special character. The remaining characters
// in the password are chosen at random from those four sets.
//
// The available characters in each set are user friendly - there are no ambiguous
// characters such as i, l, 1, o, 0, etc. This, coupled with the $add_dashes option,
// makes it much easier for users to manually type or speak their passwords.
//
// Note: the $add_dashes option will increase the length of the password by